Overall Green alert Volcanic eruption for Sangay
in Ecuador

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.



Volcanic Ash Advisory issued on 2023-05-23 at 10:10 UTC.

    Key information extracted from original VAA message :


  • Prev volcanic ash has disp.
  • Volcanic ash is not observation on satellite for the past 10 no hot spot is observation either due to weather. Zhu.

Original Message :

Received FVXX22 at 10:11 UTC, 23/05/23 from KNES
VA ADVISORY
DTG: 20230523/1010Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/382
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: PREV VA HAS DISP
OBS VA DTG: 23/0940Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.
FCST VA CLD +6HR: 23/1530Z NO VA EXP
FCST VA CLD +12HR: 23/2130Z NO VA EXP
FCST VA CLD +18HR: 24/0330Z NO VA EXP
RMK: VA IS NOT OBS ON STLT FOR THE PAST 10 HOURS.
NO HOT SPOT IS OBS EITHER DUE TO WX CLDS. ...ZHU
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-05-23 at 04:52 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • Volcanic ash has not been observation on satellite for the past several hours due to dense weather clds, but is likely present. Volcanic ash is based on prev vaa and nwp model wind. Zhu.

Original Message :

Received FVXX22 at 04:54 UTC, 23/05/23 from KNES
VA ADVISORY
DTG: 20230523/0452Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/381
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 23/0430Z
OBS VA CLD: SFC/FL190 S0159 W07820 - S0201 W07819 - S0214 W07841 - S0202 W07845 - S0159 W07820 MOV W 10KT
FCST VA CLD +6HR: 23/1030Z SFC/FL190 S0200 W07819 - S0201 W07820 - S0218 W07850 - S0202 W07855 - S0200 W07819
FCST VA CLD +12HR: 23/1630Z NO VA EXP
FCST VA CLD +18HR: 23/2230Z NO VA EXP
RMK: VA HAS NOT BEEN OBS ON STLT FOR THE PAST
SEVERAL HOURS DUE TO DENSE WX CLDS, BUT IS LIKELY
PRESENT. VA IS DRAWN BASED ON PREV VAA AND NWP
MDL WND. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20230523/1045Z
Volcanic Ash Advisory issued on 2023-05-22 at 23:32 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Intermittent volcanic ash emission can be seen in infrared satellite imagery in cloud webcam mostly obscured by weather volcanic ash move to southwest and wsw of summit, expected to turn more w. Lee.

Original Message :

Received FVXX22 at 23:35 UTC, 22/05/23 from KNES
VA ADVISORY
DTG: 20230522/2332Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/380
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 22/2300Z
OBS VA CLD: SFC/FL190 S0158 W07819 - S0202 W07820 - S0225 W07849 - S0213 W07857 - S0158 W07819 MOV SW 10KT
FCST VA CLD +6HR: 23/0500Z SFC/FL190 S0159 W07820 - S0202 W07819 - S0219 W07858 - S0203 W07858 - S0159 W07820
FCST VA CLD +12HR: 23/1100Z SFC/FL190 S0158 W07821 - S0202 W07820 - S0216 W07902 - S0201 W07902 - S0158 W07821
FCST VA CLD +18HR: 23/1700Z SFC/FL190 S0158 W07818 - S0202 W07819 - S0217 W07904 - S0201 W07903 - S0158 W07818
RMK: INTERMITTENT VA EMS CAN BE SEEN IN IR STLT
IMAGERY IN CLD BREAKS. WEBCAM MOSTLY OBSCURED BY
WX CLDS. VA MOV TO SW AND WSW OF SUMMIT, EXPECTED
TO TURN MORE W. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20230523/0530Z
Volcanic Ash Advisory issued on 2023-05-22 at 19:12 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission noted in satellite imagery. Webcam inop. Volcanic ash move to southwest and wsw of the summit. Lee.

Original Message :

Received FVXX22 at 19:19 UTC, 22/05/23 from KNES
VA ADVISORY
DTG: 20230522/1912Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/379
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 22/1840Z
OBS VA CLD: SFC/FL190 S0159 W07821 - S0202 W07820 - S0224 W07850 - S0210 W07858 - S0159 W07821 MOV SW 10KT
FCST VA CLD +6HR: 23/0030Z SFC/FL190 S0200 W07822 - S0202 W07820 - S0220 W07855 - S0206 W07858 - S0200 W07822
FCST VA CLD +12HR: 23/0630Z SFC/FL190 S0159 W07820 - S0202 W07820 - S0216 W07859 - S0200 W07901 - S0159 W07820
FCST VA CLD +18HR: 23/1230Z NO VA EXP
RMK: VA EMS NOTED IN STLT IMAGERY. WEBCAM INOP.
VA MOV TO SW AND WSW OF THE SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20230523/0115Z
Volcanic Ash Advisory issued on 2023-05-22 at 13:25 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue.
  • Moderately dense volcanic ash plume detected on satellite moving southwest of summit. Strong hotspot noted on swir. Webcam shows volcanic ash emission. Model winds at forecast to veer by t+6 hour becoming more from the e. Konon.

Original Message :

Received FVXX22 at 13:27 UTC, 22/05/23 from KNES
VA ADVISORY
DTG: 20230522/1325Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/378
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS CONT
OBS VA DTG: 22/1300Z
OBS VA CLD: SFC/FL190 S0200 W07820 - S0201 W07820 - S0213 W07837 - S0207 W07841 - S0200 W07820 MOV SW 10KT
FCST VA CLD +6HR: 22/1900Z SFC/FL190 S0156 W07853 - S0159 W07820 - S0201 W07820 - S0206 W07853 - S0156 W07853
FCST VA CLD +12HR: 23/0100Z SFC/FL190 S0157 W07849 - S0159 W07820 - S0201 W07820 - S0206 W07849 - S0157 W07849
FCST VA CLD +18HR: 23/0700Z SFC/FL190 S0157 W07850 - S0159 W07820 - S0201 W07820 - S0205 W07850 - S0157 W07850
RMK: MDTLY DENSE VA PLUME DETECTED ON STLT MOVG
SW OF SUMMIT. STG HOTSPOT NOTED ON SWIR. WEBCAM
SHOWS VA EMS. MDL WINDS AT FL FCST TO VEER BY
T+6 HR BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20230522/1930Z
Volcanic Ash Advisory issued on 2023-05-22 at 07:28 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation from satellite and webcam. Volcanic ash clouds moving southwest about 30 nm from summit. Model winds exp to shift to w by t+12 hours. Brown.

Original Message :

Received FVXX22 at 07:30 UTC, 22/05/23 from KNES
VA ADVISORY
DTG: 20230522/0728Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/377
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 22/0640Z
OBS VA CLD: SFC/FL190 S0159 W07820 - S0201 W07819 - S0216 W07840 - S0208 W07848 - S0159 W07820 MOV SW 10KT
FCST VA CLD +6HR: 22/1230Z SFC/FL190 S0159 W07820 - S0201 W07819 - S0218 W07850 - S0202 W07855 - S0159 W07820
FCST VA CLD +12HR: 22/1830Z SFC/FL190 S0153 W07858 - S0159 W07820 - S0201 W07819 - S0212 W07857 - S0153 W07858
FCST VA CLD +18HR: 23/0030Z NO VA EXP
RMK: VA EMS OBS FM STLT AND WEBCAM. VA CLDS MV SW
ABT 30 NM FM SUMMIT. MDL WINDS EXP TO SHFT TO W
BY T+12 HRS. ...BROWN
NXT ADVISORY: WILL BE ISSUED BY 20230522/1330Z
Volcanic Ash Advisory issued on 2023-05-22 at 01:40 UTC.

    Key information extracted from original VAA message :


  • Continuous em.
  • Volcanic ash ext 22 nm southwest of the summit. A remnant volcanic ash cloud was over the pacific 175 nm to the southwest of the summit. Little change exp based on nwp. Turk.

Original Message :

Received FVXX22 at 01:42 UTC, 22/05/23 from KNES
VA ADVISORY
DTG: 20230522/0140Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/376
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS EM
OBS VA DTG: 22/0120Z
OBS VA CLD: SFC/FL190 S0158 W07820 - S0202 W07817 - S0218 W07838 - S0205 W07846 - S0158 W07820 MOV SW 5KT SFC/FL190 S0231 W08108 - S0244 W08101 - S0256 W08129 - S0241 W08135 - S0231 W08108 MOV SW 5KT
FCST VA CLD +6HR: 22/0730Z SFC/FL190 S0158 W07819 - S0202 W07817 - S0221 W07857 - S0205 W07903 - S0158 W07819
FCST VA CLD +12HR: 22/1330Z SFC/FL190 S0156 W07820 - S0201 W07817 - S0228 W07846 - S0217 W07856 - S0156 W07820
FCST VA CLD +18HR: 22/1930Z SFC/FL190 S0158 W07818 - S0203 W07817 - S0216 W07858 - S0202 W07903 - S0158 W07818
RMK: VA EXT 22 NM SW OF THE SUMMIT. A REMNANT VA
CLD WAS OVER THE PACIFIC 175 NM TO THE SW OF THE
SUMMIT. LTLCG EXP BASED ON NWP MODELS. ...TURK
NXT ADVISORY: WILL BE ISSUED BY 20230522/0745Z
Volcanic Ash Advisory issued on 2023-05-21 at 20:06 UTC.

    Key information extracted from original VAA message :


  • Continuous em.
  • Volcanic ash ext 60 nm to the wsw of the summit. Volcanic ash forecast by nwp models to turn toward the southwest by t+6. Turk.

Original Message :

Received FVXX22 at 20:08 UTC, 21/05/23 from KNES
VA ADVISORY
DTG: 20230521/2006Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/375
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONS EM
OBS VA DTG: 21/1940Z
OBS VA CLD: SFC/FL190 S0156 W07820 - S0202 W07819 - S0222 W07916 - S0207 W07920 - S0156 W07820 MOV W 10KT
FCST VA CLD +6HR: 22/0130Z SFC/FL190 S0156 W07819 - S0202 W07817 - S0316 W07909 - S0258 W07929 - S0156 W07819
FCST VA CLD +12HR: 22/0730Z SFC/FL190 S0156 W07819 - S0205 W07819 - S0241 W07922 - S0217 W07934 - S0156 W07819
FCST VA CLD +18HR: 22/1330Z SFC/FL190 S0146 W07929 - S0157 W07818 - S0202 W07818 - S0207 W07932 - S0146 W07929
RMK: VA EXT 60 NM TO THE WSW OF THE SUMMIT. VA
FCST BY NWP MODELS TO TURN TWD THE SW BY T+6.
...TURK
NXT ADVISORY: WILL BE ISSUED BY 20230522/0200Z
Volcanic Ash Advisory issued on 2023-05-21 at 14:10 UTC.

    Key information extracted from original VAA message :


  • Ongoing signature emission.
  • Large volcanic ash plume detected on satellite moving aprox 65 nm southwest of summit b4 dsiptng. Webcam shows continuous volcanic ash emission. Model winds at forecast to veer by t+12 hour becoming more from the e. Konon.

Original Message :

Received FVXX22 at 14:13 UTC, 21/05/23 from KNES
VA ADVISORY
DTG: 20230521/1410Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/374
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING SIG EMS
OBS VA DTG: 21/1340Z
OBS VA CLD: SFC/FL200 S0201 W07820 - S0202 W07819 - S0230 W07921 - S0206 W07927 - S0201 W07820 MOV SW 10KT
FCST VA CLD +6HR: 21/1930Z SFC/FL200 S0201 W07819 - S0201 W07819 - S0228 W07917 - S0205 W07921 - S0201 W07819
FCST VA CLD +12HR: 22/0130Z SFC/FL200 S0156 W07925 - S0159 W07820 - S0201 W07820 - S0217 W07926 - S0156 W07925
FCST VA CLD +18HR: 22/0730Z NO VA EXP
RMK: LARGE VA PLUME DETECTED ON STLT MOVG APROX
65 NM SW OF SUMMIT B4 DSIPTNG. WEBCAM SHOWS CONS
VA EMS. MDL WINDS AT FL FCST TO VEER BY T+12 HR
BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20230521/2015Z
Volcanic Ash Advisory issued on 2023-05-21 at 08:13 UTC.

    Key information extracted from original VAA message :


  • Continuous emission observation.
  • Continuous volcanic ash emission observation from satellite moving southwest about 50 nm from summit. Webcam is down. Hotspot is detected. Model winds exp to shift slghtly e through t+12 hours. Brown.

Original Message :

Received FVXX22 at 08:15 UTC, 21/05/23 from KNES
VA ADVISORY
DTG: 20230521/0813Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/373
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONS EMS OBS
OBS VA DTG: 21/0740Z
OBS VA CLD: SFC/FL200 S0159 W07820 - S0202 W07819 - S0221 W07903 - S0210 W07909 - S0159 W07820 MOV SW 10KT
FCST VA CLD +6HR: 21/1330Z SFC/FL200 S0159 W07820 - S0202 W07819 - S0224 W07917 - S0200 W07920 - S0159 W07820
FCST VA CLD +12HR: 21/1930Z SFC/FL200 S0159 W07820 - S0202 W07819 - S0224 W07923 - S0203 W07926 - S0159 W07820
FCST VA CLD +18HR: 22/0130Z NO VA EXP
RMK: CONS VA EMS OBS FM STLT MV SW ABT 50 NM FM
SUMMIT. WEBCAM IS DOWN. HOTSPOT IS DETECTED. MDL
WINDS EXP TO SHFT SLGHTLY E THRU T+12 HRS.
...BROWN
NXT ADVISORY: WILL BE ISSUED BY 20230521/1415Z
Volcanic Ash Advisory issued on 2023-05-21 at 02:26 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash cloud obsd extending 40 north mi wsw of the summit. Estd from nwp webcam showed activity around 00 UTC. Vona around same time reports volcanic ash moving southwest. Nwp models suggest volcanic ash to flight level 220 (6600m) with veering forecast through t+12hrs. Hosley.

Original Message :

Received FVXX22 at 02:29 UTC, 21/05/23 from KNES
VA ADVISORY
DTG: 20230521/0226Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/372
INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS.
OBS VA DTG: 21/0150Z
OBS VA CLD: SFC/FL220 S0158 W07903 - S0159 W07819 - S0202 W07819 - S0222 W07859 - S0158 W07903 MOV W 15KT
FCST VA CLD +6HR: 21/0800Z SFC/FL220 S0141 W07855 - S0201 W07818 - S0203 W07819 - S0208 W07912 - S0141 W07855
FCST VA CLD +12HR: 21/1400Z SFC/FL220 S0128 W07855 - S0200 W07819 - S0204 W07821 - S0154 W07910 - S0128 W07855
FCST VA CLD +18HR: 21/2000Z NO VA EXP
RMK: VA CLD OBSD EXTDG 40 N MI WSW OF THE SUMMIT.
FL ESTD FM NWP MDLS. WEBCAM SHOWED ACT ARND 00Z.
VONA ARND SAME TIME RPRTS VA MOVG SW. NWP MDLS
SUGGEST VA TO FL220 WITH VEERING FCST THRU
T+12HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20230521/0830Z
Volcanic Ash Advisory issued on 2023-05-20 at 21:34 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash cloud obsd.
  • Volcanic ash cloud obsd 10 north mi w-wnw from summit. Webcams inop. Nwp models suggest volcanic ash up to flight level 210 (6300m) and forecast volcanic ash to move wsw by. Hosley.

Original Message :

Received FVXX22 at 21:37 UTC, 20/05/23 from KNES
VA ADVISORY
DTG: 20230520/2134Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/371
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA CLD OBSD.
OBS VA DTG: 20/2110Z
OBS VA CLD: SFC/FL210 S0156 W07832 - S0200 W07820 - S0201 W07820 - S0203 W07832 - S0156 W07832 MOV W 10KT
FCST VA CLD +6HR: 21/0300Z SFC/FL210 S0158 W07852 - S0159 W07820 - S0201 W07820 - S0214 W07848 - S0158 W07852
FCST VA CLD +12HR: 21/0900Z NO VA EXP
FCST VA CLD +18HR: 21/1500Z NO VA EXP
RMK: VA CLD OBSD 10 N MI W-WNW FM SUMMIT. WEBCAMS
INOP. NWP MDLS SUGGEST VA UP TO FL210 AND FCST VA
TO MOV WSW BY T+6HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20230521/0330Z
Volcanic Ash Advisory issued on 2023-05-19 at 01:27 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not detected.
  • Volcanic ash no longer detected from satellite imagery. Turk.

Original Message :

Received FVXX24 at 01:29 UTC, 19/05/23 from KNES
VA ADVISORY
DTG: 20230519/0127Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/370
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA NOT DETECTED
OBS VA DTG: 19/0110Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.
FCST VA CLD +6HR: 19/0700Z NO VA EXP
FCST VA CLD +12HR: 19/1300Z NO VA EXP
FCST VA CLD +18HR: 19/1900Z NO VA EXP
RMK: VA NO LONGER DETECTED FM STLT IMAGERY.
...TURK
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-05-18 at 19:38 UTC.

    Key information extracted from original VAA message :


  • Occasional em.
  • Volcanic ash was possible near the summit and a residual area of volcanic ash was detected 47 nm southwest of the summit. Volcanic ash forecast to move toward nw by t+6 based on nwp. Turk.

Original Message :

Received FVXX24 at 19:40 UTC, 18/05/23 from KNES
VA ADVISORY
DTG: 20230518/1938Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/369
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL EM
EST VA DTG: 18/1910Z
EST VA CLD: SFC/FL190 S0156 W07839 - S0158 W07820 - S0202 W07820 - S0203 W07835 - S0227 W07908 - S0222 W07917 - S0156 W07839 MOV W 10KT
FCST VA CLD +6HR: 19/0100Z SFC/FL190 S0129 W07924 - S0158 W07820 - S0205 W07821 - S0150 W07932 - S0129 W07924
FCST VA CLD +12HR: 19/0700Z NO VA EXP
FCST VA CLD +18HR: 19/1300Z NO VA EXP
RMK: VA WAS PSBL NEAR THE SUMMIT AND A RESIDUAL
AREA OF VA WAS DETECTED 47 NM SW OF THE SUMMIT.
VA FCST TO MOV TWD NW BY T+6 BASED ON NWP MODELS.
...TURK
NXT ADVISORY: WILL BE ISSUED BY 20230519/0145Z
Volcanic Ash Advisory issued on 2023-05-18 at 13:40 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash seen in satellite and volcat alert.
  • Volcanic ash seen in satellite move wsw to flight level 190 (5700m) and extending around 20 nm from summit. Higher level volcanic ash move north to flight level 230 (6900m) and around 10 nm from summit. Nwp guidance shows a continue wsw move through t+12 hours to flight level 190 (5700m) and north to flight level 230 (6900m) through t+6 hours. Move and height based on sat, volcat and nwp. Kibler.

Original Message :

Received FVXX24 at 13:43 UTC, 18/05/23 from KNES
VA ADVISORY
DTG: 20230518/1340Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/368
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA SEEN IN SAT AND VOLCAT ALERT
OBS VA DTG: 18/1310Z
OBS VA CLD: SFC/FL190 S0200 W07820 - S0201 W07820 - S0209 W07843 - S0203 W07844 - S0200 W07820 MOV SW 10KT SFC/FL230 S0152 W07820 - S0156 W07819 - S0156 W07823 - S0152 W07823 - S0152 W07820 MOV N 15KT
FCST VA CLD +6HR: 18/1900Z SFC/FL190 S0200 W07820 - S0201 W07819 - S0217 W07906 - S0204 W07909 - S0200 W07820 SFC/FL230 S0141 W07819 - S0201 W07820 - S0201 W07822 - S0142 W07828 - S0141 W07819
FCST VA CLD +12HR: 19/0100Z SFC/FL190 S0159 W07820 - S0202 W07819 - S0217 W07906 - S0205 W07910 - S0159 W07820 SFC/FL230 NO VA EXP
FCST VA CLD +18HR: 19/0700Z NO VA EXP
RMK: VA SEEN IN SAT MOV WSW TO FL190 AND EXTDG
ARND 20 NM FM SUMMIT. HIGHER LEVEL VA MOV N TO
FL230 AND ARND 10 NM FM SUMMIT. NWP GUIDANCE
SHOWS A CONT WSW MOV THRU T+12 HRS TO FL190 AND N
TO FL230 THRU T+6 HRS. MOV AND HGT BASED ON SAT,
VOLCAT AND NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20230518/1945Z
Volcanic Ash Advisory issued on 2023-05-10 at 06:57 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash event ended.
  • Remnant volcanic ash has dispd. No new volcanic ash emission observation. No reports of eruptive activity. Volcanic ash event ended. Ramirez.

Original Message :

Received FVXX21 at 07:01 UTC, 10/05/23 from KNES
VA ADVISORY
DTG: 20230510/0657Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/367
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA EVENT ENDED
OBS VA DTG: 10/0640Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA
FCST VA CLD +6HR: 10/1230Z NO VA EXP
FCST VA CLD +12HR: 10/1830Z NO VA EXP
FCST VA CLD +18HR: 11/0030Z NO VA EXP
RMK: REMNANT VA HAS DISPD. NO NEW VA EMS OBS. NO
RPRTS OF ERUPTIVE ACT. VA EVENT ENDED. ...RAMIREZ
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-05-10 at 01:08 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • Hotspot activity observation in satellite img but volcanic ash emission not visible poss due to meteorological occasional volcanic ash emission may continue move south from summit. Gatling.

Original Message :

Received FVXX21 at 01:10 UTC, 10/05/23 from KNES
VA ADVISORY
DTG: 20230510/0108Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/366
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 10/0050Z
OBS VA CLD: SFC/FL190 S0201 W07820 - S0210 W07817 - S0210 W07824 - S0201 W07820 - S0201 W07820 MOV S 5KT
FCST VA CLD +6HR: 10/0700Z SFC/FL190 S0201 W07820 - S0201 W07820 - S0210 W07817 - S0210 W07824 - S0201 W07820
FCST VA CLD +12HR: 10/1300Z NO VA EXP
FCST VA CLD +18HR: 10/1900Z NO VA EXP
RMK: HOTSPOT ACTIVITY OBS IN STLT IMG BUT VA EMS
NOT VISIBLE POSS DUE TO MET CLDS. OCNL VA EMS MAY
CONT MOV S FM SUMMIT. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230510/0715Z
Volcanic Ash Advisory issued on 2023-05-09 at 19:14 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Vona received and volcanic ash emission poss observation in satellite img move southwest ext about 20 nmi from summit. Mvmt exp to shift south by t+6. And mvmt based on vona, satellite and nwp. Gatling.

Original Message :

Received FVXX21 at 19:16 UTC, 09/05/23 from KNES
VA ADVISORY
DTG: 20230509/1914Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/365
INFO SOURCE: GOES-16. VONA. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 09/1840Z
OBS VA CLD: SFC/FL190 S0200 W07820 - S0201 W07820 - S0215 W07832 - S0208 W07836 - S0200 W07820 MOV SW 5KT
FCST VA CLD +6HR: 10/0030Z SFC/FL190 S0200 W07820 - S0215 W07813 - S0217 W07822 - S0201 W07820 - S0200 W07820
FCST VA CLD +12HR: 10/0630Z NO VA EXP
FCST VA CLD +18HR: 10/1230Z NO VA EXP
RMK: VONA RCVD AND VA EMS POSS OBS IN STLT IMG
MOV SW EXT ABOUT 20 NMI FM SUMMIT. MVMT EXP TO
SHIFT S BY T+6. FL AND MVMT BASED ON VONA, STLT
AND NWP MODELS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230510/0115Z
Volcanic Ash Advisory issued on 2023-05-06 at 14:11 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Prev volcanic ash emission has ended. Nothing new seen in webcam or satellite. No hotspot detected. No rcnt repeats received. Brown.

Original Message :

Received FVXX22 at 14:13 UTC, 06/05/23 from KNES
VA ADVISORY
DTG: 20230506/1411Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/364
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS ENDED
OBS VA DTG: 06/1330Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.
FCST VA CLD +6HR: 06/1930Z NO VA EXP
FCST VA CLD +12HR: 07/0130Z NO VA EXP
FCST VA CLD +18HR: 07/0730Z NO VA EXP
RMK: PREV VA EMS HAS ENDED. NOTHING NEW SEEN IN
WEBCAM OR STLT. NO HOTSPOT DETECTED. NO RCNT RPTS
RCVD. ...BROWN
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-05-06 at 08:18 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash remant obsd.
  • Light volcanic ash remnant obsd in satellite moving wsw from summit. Hot spot obsd in satellite as well. Nwp model forecast through t+0hr. Zeng.

Original Message :

Received FVXX22 at 08:21 UTC, 06/05/23 from KNES
VA ADVISORY
DTG: 20230506/0818Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/363
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA REMANT OBSD
OBS VA DTG: 06/0800Z
OBS VA CLD: SFC/FL210 S0158 W07820 - S0202 W07819 - S0207 W07838 - S0200 W07839 - S0158 W07820 MOV W 15KT
FCST VA CLD +6HR: 06/1400Z NO VA EXP
FCST VA CLD +12HR: 06/2000Z NO VA EXP
FCST VA CLD +18HR: 07/0200Z NO VA EXP
RMK: LGT VA REMNANT OBSD IN SAT MOVG WSW FM
SUMMIT. HOT SPOT OBSD IN SAT AS WELL. NWP MDL
FCST THRU T+0HR. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20230506/1415Z
Volcanic Ash Advisory issued on 2023-05-06 at 02:28 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission obsd.
  • Volcanic ash emission obsd in satellite and volcanic ash clouds extend appx 40nmi wsw from summit. Nwp model forecast slightly backing through. Zeng.

Original Message :

Received FVXX22 at 02:30 UTC, 06/05/23 from KNES
VA ADVISORY
DTG: 20230506/0228Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/362
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS OBSD
OBS VA DTG: 06/0200Z
OBS VA CLD: SFC/FL210 S0158 W07820 - S0202 W07818 - S0216 W07847 - S0214 W07901 - S0201 W07903 - S0158 W07820 MOV W 20KT
FCST VA CLD +6HR: 06/0800Z SFC/FL210 S0157 W07820 - S0202 W07819 - S0225 W07900 - S0202 W07914 - S0157 W07820
FCST VA CLD +12HR: 06/1400Z NO VA EXP
FCST VA CLD +18HR: 06/2000Z NO VA EXP
RMK: VA EMS OBSD IN SAT AND VA CLDS EXTD APPX
40NMI WSW FM SUMMIT. NWP MDL FCST SLIGHTLY
BACKING THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20230506/0830Z
Volcanic Ash Advisory issued on 2023-04-29 at 18:47 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • No recent reports of activity. Volcanic ash not detected on various satellite products. Webcam shows weather clouds.

Original Message :

Received FVXX22 at 18:49 UTC, 29/04/23 from KNES
VA ADVISORY
DTG: 20230429/1847Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/361
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS ENDED
OBS VA DTG: 29/1830Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 30/0030Z NO VA EXP
FCST VA CLD +12HR: 30/0630Z NO VA EXP
FCST VA CLD +18HR: 30/1230Z NO VA EXP
RMK: NO RECENT RPRTS OF ACTVTY. VA NOT DETECTED
ON VARIOUS STLT PRODUCTS. WEBCAM SHOWS WX CLDS
OBSC SUMMIT CURRENTLY. NEW VA EMS PSBL AT ANY
TIME. ...KONON
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-04-29 at 12:54 UTC.

    Key information extracted from original VAA message :


  • Discrete volcanic ash emission.
  • Volcanic ash emission observation in satellite img move w ext about 30 nmi from summit before dissipating. W mvmt exp through t+6. And mvmt based on satellite and nwp. Gatling.

Original Message :

Received FVXX22 at 12:56 UTC, 29/04/23 from KNES
VA ADVISORY
DTG: 20230429/1254Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/360
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: DISCRETE VA EMS
OBS VA DTG: 29/1230Z
OBS VA CLD: SFC/FL190 S0156 W07849 - S0156 W07845 - S0202 W07845 - S0202 W07850 - S0156 W07849 MOV W 15KT
FCST VA CLD +6HR: 29/1830Z SFC/FL190 S0152 W07855 - S0159 W07820 - S0201 W07820 - S0205 W07855 - S0152 W07855
FCST VA CLD +12HR: 30/0030Z NO VA EXP
FCST VA CLD +18HR: 30/0630Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG MOV W EXT ABOUT 30
NMI FM SUMMIT BEFORE DISSIPATING. W MVMT EXP THRU
T+6. FL AND MVMT BASED ON STLT AND NWP MODELS.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230429/1900Z
Volcanic Ash Advisory issued on 2023-04-28 at 01:16 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash from earlier emission dispersed. No new activity noted in webcam or satellite imagery over the past 6+ hours. No new reports. Lee.

Original Message :

Received FVXX22 at 01:19 UTC, 28/04/23 from KNES
VA ADVISORY
DTG: 20230428/0116Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/359
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA EMS ENDED.
OBS VA DTG: 28/0040Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA.
FCST VA CLD +6HR: 28/0630Z NO VA EXP
FCST VA CLD +12HR: 28/1230Z NO VA EXP
FCST VA CLD +18HR: 28/1830Z NO VA EXP
RMK: VA FM EARLIER EMS DISPERSED. NO NEW ACT
NOTED IN WEBCAM OR STLT IMAGERY OVER THE PAST 6+
HRS. NO NEW REPORTS. ...LEE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-04-27 at 19:25 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash emission.
  • Dense cloud cover in the of the summit has obscured any possible volcanic ash. However, activity likely based on past recent hist. Volcanic ash move to wnw or nw according to nwp. Lee.

Original Message :

Received FVXX22 at 19:28 UTC, 27/04/23 from KNES
VA ADVISORY
DTG: 20230427/1925Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/358
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
OBS VA DTG: 27/1900Z
OBS VA CLD: SFC/FL190 S0147 W07837 - S0159 W07820 - S0201 W07820 - S0200 W07843 - S0147 W07837 MOV NW 10KT
FCST VA CLD +6HR: 28/0100Z NO VA EXP
FCST VA CLD +12HR: 28/0700Z NO VA EXP
FCST VA CLD +18HR: 28/1300Z NO VA EXP
RMK: DENSE CLD COVER IN THE REGION OF THE SUMMIT
HAS OBSCURED ANY POSSIBLE VA. HOWEVER, ACT LIKELY
BASED ON PAST RECENT HIST. VA MOV TO WNW OR NW
ACCORDING TO NWP MDLS. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20230428/0130Z
Volcanic Ash Advisory issued on 2023-04-27 at 13:45 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Vona received and volcanic ash emission observation in satellite img move wnw ext abou 15 nmi from summit. Wnw mvmt exp through t+6. And mvmt based on vona, satellite and nwp. Gatling.

Original Message :

Received FVXX22 at 13:49 UTC, 27/04/23 from KNES
VA ADVISORY
DTG: 20230427/1345Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/357
INFO SOURCE: GOES-16. VONA. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 27/1320Z
OBS VA CLD: SFC/FL190 S0150 W07833 - S0159 W07820 - S0201 W07821 - S0201 W07836 - S0150 W07833 MOV NW 15KT
FCST VA CLD +6HR: 27/1930Z SFC/FL190 S0148 W07838 - S0200 W07820 - S0201 W07820 - S0201 W07841 - S0148 W07838
FCST VA CLD +12HR: 28/0130Z NO VA EXP
FCST VA CLD +18HR: 28/0730Z NO VA EXP
RMK: VONA RCVD AND VA EMS OBS IN STLT IMG MOV WNW
EXT ABOU 15 NMI FM SUMMIT. WNW MVMT EXP THRU
T+6. FL AND MVMT BASED ON VONA, STLT AND NWP
MODELS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230427/1945Z
Volcanic Ash Advisory issued on 2023-04-26 at 22:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • No recent reports of activity. Volcanic ash not detected on various satellite products. Thick weather clouds cover summit area. New volcanic ash emission possible at any. Konon.

Original Message :

Received FVXX22 at 22:55 UTC, 26/04/23 from KNES
VA ADVISORY
DTG: 20230426/2250Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/356
INFO SOURCE: GOES-16.
ERUPTION DETAILS: VA EMS ENDED
OBS VA DTG: 26/2230Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 27/0430Z NO VA EXP
FCST VA CLD +12HR: 27/1030Z NO VA EXP
FCST VA CLD +18HR: 27/1630Z NO VA EXP
RMK: NO RECENT RPRTS OF ACTVTY. VA NOT DETECTED
ON VARIOUS STLT PRODUCTS. THICK WX CLDS CVR
SUMMIT AREA. NEW VA EMS PSBL AT ANY TIME.
...KONON
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-04-26 at 17:04 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash seen in satellite.
  • Volcanic ash seen in satellite move sse from summit. Meteorological clouds have obscure part of the view of volcanic ash in satellite. Nwp guidance shows a continue sse move through t+6 hours. Move and height based on satellite and nwp. Kibler.

Original Message :

Received FVXX22 at 17:06 UTC, 26/04/23 from KNES
VA ADVISORY
DTG: 20230426/1704Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0201 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/355
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA SEEN IN SAT
OBS VA DTG: 26/1630Z
OBS VA CLD: SFC/FL220 S0200 W07820 - S0206 W07817 - S0207 W07821 - S0201 W07821 - S0200 W07820 MOV S 5KT
FCST VA CLD +6HR: 26/2230Z SFC/FL220 S0200 W07820 - S0211 W07812 - S0213 W07818 - S0201 W07821 - S0200 W07820
FCST VA CLD +12HR: 27/0430Z NO VA EXP
FCST VA CLD +18HR: 27/1030Z NO VA EXP
RMK: VA SEEN IN SAT MOV SSE FM SUMMIT. MET CLDS
HAVE OBSC PART OF THE VIEW OF VA IN SAT. NWP
GUIDANCE SHOWS A CONT SSE MOV THRU T+6 HRS. MOV
AND HGT BASED ON SAT AND NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20230426/2300Z
Volcanic Ash Advisory issued on 2023-04-26 at 11:13 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash continuing.
  • Poss volcanic ash emission continuing but unable to be seen due to meteorological winds are light and var in of volcano. Move and height based on nwp. Kibler.

Original Message :

Received FVXX22 at 11:15 UTC, 26/04/23 from KNES
VA ADVISORY
DTG: 20230426/1113Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/354
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA CONTG
OBS VA DTG: 26/1050Z
OBS VA CLD: SFC/FL220 S0200 W07820 - S0204 W07809 - S0210 W07813 - S0201 W07821 - S0200 W07820 MOV SE 5KT
FCST VA CLD +6HR: 26/1700Z SFC/FL220 S0200 W07820 - S0201 W07820 - S0212 W07828 - S0206 W07833 - S0200 W07820
FCST VA CLD +12HR: 26/2300Z NO VA EXP
FCST VA CLD +18HR: 27/0500Z NO VA EXP
RMK: POSS VA EMS CONTG BUT UNABLE TO BE SEEN DUE
TO MET CLDS. WINDS ARE LGT AND VAR IN REGION OF
VOLCANO. MOV AND HGT BASED ON NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20230426/1715Z
Volcanic Ash Advisory issued on 2023-04-26 at 05:29 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission possible.
  • Possible volcanic ash emission not observation from satellite due to weather no rcnt repeats received. No hotspot detected. Model winds exp to mostly southwest through t+6 hours. Brown.

Original Message :

Received FVXX22 at 05:31 UTC, 26/04/23 from KNES
VA ADVISORY
DTG: 20230426/0529Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/353
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS PSBL
OBS VA DTG: 26/0500Z
OBS VA CLD: SFC/FL220 S0159 W07821 - S0201 W07819 - S0216 W07825 - S0212 W07834 - S0159 W07821 MOV SW 10KT
FCST VA CLD +6HR: 26/1100Z SFC/FL220 S0159 W07821 - S0201 W07819 - S0221 W07829 - S0214 W07840 - S0159 W07821
FCST VA CLD +12HR: 26/1700Z NO VA EXP
FCST VA CLD +18HR: 26/2300Z NO VA EXP
RMK: PSBL VA EMS NOT OBS FM STLT DUE TO WX CLDS.
NO RCNT RPTS RCVD. NO HOTSPOT DETECTED. MDL WINDS
EXP TO REMAIN MOSTLY SW THRU T+6 HRS. ...BROWN
NXT ADVISORY: WILL BE ISSUED BY 20230426/1130Z
Volcanic Ash Advisory issued on 2023-04-25 at 23:26 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img move se ext about 15 nmi from summit. Also new volcanic ash emission observation move wsw ext at least 50 nmi from summit. And mvmt based on satellite and nwp. Gatling.

Original Message :

Received FVXX22 at 23:28 UTC, 25/04/23 from KNES
VA ADVISORY
DTG: 20230425/2326Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/352
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 25/2250Z
OBS VA CLD: SFC/FL220 S0200 W07820 - S0203 W07809 - S0210 W07817 - S0201 W07820 - S0200 W07820 MOV SE 5KT SFC/FL350 S0159 W07820 - S0201 W07820 - S0229 W07859 - S0201 W07908 - S0159 W07820 MOV W 20KT
FCST VA CLD +6HR: 26/0500Z SFC/FL220 S0200 W07820 - S0201 W07820 - S0217 W07820 - S0210 W07835 - S0200 W07820 SFC/FL350 S0159 W07820 - S0201 W07820 - S0240 W07904 - S0212 W07920 - S0159 W07820
FCST VA CLD +12HR: 26/1100Z SFC/FL220 S0200 W07820 - S0201 W07819 - S0219 W07825 - S0211 W07836 - S0200 W07820 SFC/FL350 NO VA EXP
FCST VA CLD +18HR: 26/1700Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG MOV SE EXT ABOUT 15
NMI FM SUMMIT. ALSO NEW VA EMS OBS MOV WSW EXT AT
LEAST 50 NMI FM SUMMIT. FL AND MVMT BASED ON STLT
AND NWP MODELS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230426/0530Z
Volcanic Ash Advisory issued on 2023-04-25 at 17:53 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • No new volcanic ash emission observation in satellite but occasional volcanic ash emission may continue. Model guidance suggests e mvmt from summit to shift ese by t+6. Gatling.

Original Message :

Received FVXX22 at 17:55 UTC, 25/04/23 from KNES
VA ADVISORY
DTG: 20230425/1753Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/351
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 25/1730Z
OBS VA CLD: SFC/FL220 S0155 W07801 - S0207 W07801 - S0201 W07820 - S0159 W07820 - S0155 W07801 MOV E 10KT
FCST VA CLD +6HR: 25/2330Z SFC/FL220 S0159 W07820 - S0204 W07753 - S0220 W07802 - S0201 W07820 - S0159 W07820
FCST VA CLD +12HR: 26/0530Z NO VA EXP
FCST VA CLD +18HR: 26/1130Z NO VA EXP
RMK: NO NEW VA EMS OBS IN STLT BUT OCNL VA EMS
MAY CONT. MODEL GUIDANCE SUGGESTS E MVMT FM
SUMMIT TO SHIFT ESE BY T+6. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230426/0000Z
Volcanic Ash Advisory issued on 2023-04-25 at 12:15 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Volcanic ash obsd moving e among weather cloud cover. Volcanic ash emission likely to continue through t+18hrs with wshift forecast to move volcanic ash se by t+12hrs. Summit obscured by weather cloud cover on webcam. Hosley.

Original Message :

Received FVXX22 at 12:18 UTC, 25/04/23 from KNES
VA ADVISORY
DTG: 20230425/1215Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/350
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 25/1120Z
OBS VA CLD: SFC/FL220 S0158 W07805 - S0206 W07805 - S0201 W07820 - S0200 W07821 - S0158 W07805 MOV E 10KT
FCST VA CLD +6HR: 25/1730Z SFC/FL220 S0155 W07746 - S0212 W07748 - S0202 W07821 - S0200 W07820 - S0155 W07746
FCST VA CLD +12HR: 25/2330Z SFC/FL220 S0159 W07821 - S0201 W07735 - S0226 W07804 - S0201 W07822 - S0159 W07821
FCST VA CLD +18HR: 26/0530Z SFC/FL220 S0159 W07820 - S0214 W07800 - S0224 W07812 - S0201 W07822 - S0159 W07820
RMK: VA OBSD MOVG E AMONG WX CLD CVR. VA EMS LKLY
TO CONT THRU T+18HRS WITH WSHIFT FCST TO MOV VA
SE BY T+12HRS. SUMMIT OBSCD BY WX CLD CVR ON
WEBCAM. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20230425/1815Z
Volcanic Ash Advisory issued on 2023-04-25 at 06:10 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • Volcanic ash is currently not observation on satellite due to dense weather clds, but is likely in the area the recent activity. Volcanic ash is based on nwp model wind and prev vaa. Zhu.

Original Message :

Received FVXX22 at 06:13 UTC, 25/04/23 from KNES
VA ADVISORY
DTG: 20230425/0610Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/349
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 25/0540Z
OBS VA CLD: SFC/FL280 S0145 W07831 - S0159 W07820 - S0201 W07820 - S0151 W07840 - S0145 W07831 MOV NW 5KT
FCST VA CLD +6HR: 25/1130Z SFC/FL280 S0143 W07834 - S0200 W07818 - S0201 W07821 - S0150 W07847 - S0143 W07834
FCST VA CLD +12HR: 25/1730Z NO VA EXP
FCST VA CLD +18HR: 25/2330Z NO VA EXP
RMK: VA IS CURRENTLY NOT OBS ON STLT DUE TO DENSE
WX CLDS, BUT IS LIKELY IN THE AREA GIVEN THE
RECENT ACTIVITY. VA IS DRAWN BASED ON NWP MDL WND
AND PREV VAA. ...ZHU
NXT ADVISORY: WILL BE ISSUED BY 20230425/1215Z
Volcanic Ash Advisory issued on 2023-04-25 at 00:20 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Vona received. Volcanic ash emission observation in satellite move north east ext about 15 nmi from summit. Also volcanic ash emission observation move nw ext at least 30 nmi from summit. Gatling.

Original Message :

Received FVXX22 at 00:23 UTC, 25/04/23 from KNES
VA ADVISORY
DTG: 20230425/0020Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/348
INFO SOURCE: GOES-16. VONA. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 24/2350Z
OBS VA CLD: SFC/FL280 S0144 W07822 - S0152 W07805 - S0201 W07820 - S0200 W07820 - S0144 W07822 MOV NE 10KT SFC/FL370 S0142 W07854 - S0154 W07833 - S0150 W07821 - S0200 W07820 - S0201 W07820 - S0208 W07832 - S0156 W07904 - S0142 W07854 MOV NW 20KT
FCST VA CLD +6HR: 25/0600Z SFC/FL280 S0136 W07818 - S0201 W07820 - S0201 W07820 - S0141 W07837 - S0136 W07818 SFC/FL370 S0143 W07911 - S0159 W07820 - S0201 W07820 - S0213 W07911 - S0143 W07911
FCST VA CLD +12HR: 25/1200Z SFC/FL280 S0139 W07831 - S0200 W07820 - S0201 W07820 - S0152 W07844 - S0139 W07831 SFC/FL370 NO VA EXP
FCST VA CLD +18HR: 25/1800Z SFC/FL280 S0138 W07831 - S0201 W07820 - S0201 W07820 - S0152 W07844 - S0138 W07831
RMK: VONA RCVD. VA EMS OBS IN STLT MOV NE EXT
ABOUT 15 NMI FM SUMMIT. ALSO VA EMS OBS MOV NW
EXT AT LEAST 30 NMI FM SUMMIT. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230425/0615Z
Volcanic Ash Advisory issued on 2023-04-24 at 18:24 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in webcam and satellite img move ene and ext about 40 nmi from summit. Mvmt to shift nw by t+18. And mvmt based on satellite and nwp. Gatling.

Original Message :

Received FVXX22 at 18:27 UTC, 24/04/23 from KNES
VA ADVISORY
DTG: 20230424/1824Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/347
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 24/1800Z
OBS VA CLD: SFC/FL210 S0136 W07743 - S0148 W07738 - S0202 W07811 - S0201 W07820 - S0159 W07820 - S0136 W07743 MOV NE 10KT
FCST VA CLD +6HR: 25/0000Z SFC/FL210 S0121 W07801 - S0135 W07744 - S0201 W07820 - S0200 W07821 - S0121 W07801
FCST VA CLD +12HR: 25/0600Z SFC/FL210 S0126 W07832 - S0126 W07804 - S0201 W07819 - S0201 W07820 - S0126 W07832
FCST VA CLD +18HR: 25/1200Z SFC/FL210 S0123 W07826 - S0201 W07819 - S0201 W07821 - S0137 W07850 - S0123 W07826
RMK: VA EMS OBS IN WEBCAM AND STLT IMG MOV ENE
AND EXT ABOUT 40 NMI FM SUMMIT. MVMT TO SHIFT NW
BY T+18. FL AND MVMT BASED ON STLT AND NWP
MODELS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230425/0030Z
Volcanic Ash Advisory issued on 2023-04-24 at 12:30 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash seen in satellite and webcam.
  • Volcanic ash seen in satellite and webcam move e/ene and extend around 15 nm from summit. Nwp guidance indicates a more north east move by t+6 hours. Move and height based on satellite and nwp. Kibler.

Original Message :

Received FVXX22 at 12:33 UTC, 24/04/23 from KNES
VA ADVISORY
DTG: 20230424/1230Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/346
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA SEEN IN SAT AND WEBCAM
OBS VA DTG: 24/1200Z
OBS VA CLD: SFC/FL210 S0153 W07804 - S0200 W07803 - S0201 W07820 - S0159 W07820 - S0153 W07804 MOV E 5KT
FCST VA CLD +6HR: 24/1800Z SFC/FL210 S0137 W07746 - S0150 W07741 - S0201 W07820 - S0159 W07820 - S0137 W07746
FCST VA CLD +12HR: 25/0000Z SFC/FL210 S0135 W07747 - S0148 W07742 - S0202 W07820 - S0159 W07820 - S0135 W07747
FCST VA CLD +18HR: 25/0600Z SFC/FL210 S0128 W07807 - S0130 W07752 - S0201 W07819 - S0159 W07820 - S0128 W07807
RMK: VA SEEN IN SAT AND WEBCAM MOV E/ENE AND
EXTD ARND 15 NM FM SUMMIT. NWP GUIDANCE INDICATES
A MORE NE MOV BY T+6 HRS. MOV AND HGT BASED ON
SAT AND NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20230424/1830Z
Volcanic Ash Advisory issued on 2023-04-24 at 06:46 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission observation.
  • Volcanic ash from earlier emission has disp. Light volcanic ash emission observation move w in satellite imagery. Light volcanic ash forecast to continue w move from summit through t+6hrs before disp. Volcano activity moderate. Fisher.

Original Message :

Received FVXX22 at 06:47 UTC, 24/04/23 from KNES
VA ADVISORY
DTG: 20230424/0646Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/345
INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.
ERUPTION DETAILS: LGT VA EMS OBS
OBS VA DTG: 24/0620Z
OBS VA CLD: SFC/FL210 S0158 W07831 - S0159 W07820 - S0202 W07831 - S0158 W07831 MOV W 5KT
FCST VA CLD +6HR: 24/1230Z SFC/FL210 S0158 W07832 - S0159 W07820 - S0203 W07831 - S0158 W07832
FCST VA CLD +12HR: 24/1830Z NO VA EXP
FCST VA CLD +18HR: 25/0030Z NO VA EXP
RMK: VA FM EARLIER EMS HAS DISP. LGT VA EMS OBS
MOV W IN STLT IMAGERY. LGT VA FCST TO CONT W MOV
FM SUMMIT THRU T+6HRS BEFORE DISP. VO ACT
MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20230424/1245Z
Volcanic Ash Advisory issued on 2023-04-24 at 00:55 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • No new volcanic ash emission observation in satellite img but occasional volcanic ash emission likely to continue. Previous volcanic ash emission has dissipated. Model guidance suggests wnw mvmt through t+6. Gatling.

Original Message :

Received FVXX22 at 00:57 UTC, 24/04/23 from KNES
VA ADVISORY
DTG: 20230424/0055Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/344
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 24/0030Z
OBS VA CLD: SFC/FL430 S0129 W07910 - S0159 W07820 - S0201 W07820 - S0202 W07919 - S0129 W07910 MOV W 20KT
FCST VA CLD +6HR: 24/0630Z SFC/FL430 S0129 W07910 - S0159 W07820 - S0201 W07820 - S0202 W07919 - S0129 W07910
FCST VA CLD +12HR: 24/1230Z NO VA EXP
FCST VA CLD +18HR: 24/1830Z NO VA EXP
RMK: NO NEW VA EMS OBS IN STLT IMG BUT OCNL VA
EMS LIKELY TO CONT. PREVIOUS VA EMS HAS
DISSIPATED. MODEL GUIDANCE SUGGESTS WNW MVMT THRU
T+6. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230424/0700Z
Volcanic Ash Advisory issued on 2023-04-23 at 19:04 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission observation.
  • Volcanic ash emission observation in satellite img move w ext at least 40 nmi from summit. Occasional volcanic ash emission may continue. Model guidance suggests a more wnw mvmt by t+6. Gatling.

Original Message :

Received FVXX22 at 19:07 UTC, 23/04/23 from KNES
VA ADVISORY
DTG: 20230423/1904Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/343
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 23/1830Z
OBS VA CLD: SFC/FL430 S0151 W07844 - S0153 W07829 - S0159 W07824 - S0203 W07825 - S0213 W07855 - S0159 W07858 - S0151 W07844 MOV W 25KT
FCST VA CLD +6HR: 24/0030Z SFC/FL430 S0137 W07904 - S0159 W07820 - S0201 W07820 - S0159 W07911 - S0137 W07904
FCST VA CLD +12HR: 24/0630Z NO VA EXP
FCST VA CLD +18HR: 24/1230Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG MOV W EXT AT LEAST 40
NMI FM SUMMIT. OCNL VA EMS MAY CONT. MODEL
GUIDANCE SUGGESTS A MORE WNW MVMT BY T+6.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230424/0100Z
Volcanic Ash Advisory issued on 2023-04-23 at 02:41 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash fms ended.
  • Volcanic ash from earlier emission dispersed. No new activity noted in satellite imagery due to dense thunderstorm related cloud cover in the region. Nothing seen in web cam. No new reports. Lee.

Original Message :

Received FVXX22 at 02:46 UTC, 23/04/23 from KNES
VA ADVISORY
DTG: 20230423/0241Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/342
INFO SOURCE: GOES-16. WEBCAM.
ERUPTION DETAILS: VA FMS ENDED.
OBS VA DTG: 23/0210Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA.
FCST VA CLD +6HR: 23/0800Z NO VA EXP
FCST VA CLD +12HR: 23/1400Z NO VA EXP
FCST VA CLD +18HR: 23/2000Z NO VA EXP
RMK: VA FM EARLIER EMS DISPERSED. NO NEW ACT
NOTED IN STLT IMAGERY DUE TO DENSE THUNDERSTORM
RELATED CLOUD COVER IN THE REGION. NOTHING SEEN
IN WEB CAM. NO NEW REPORTS. ...LEE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2023-04-22 at 20:53 UTC.

    Key information extracted from original VAA message :


  • Frequent em.
  • Va, if present, cannot be distinguished from convection. Observation volcanic ash based on prev t+6 and nwp models that suggest little change for the next 6. Turk.

Original Message :

Received FVXX22 at 20:55 UTC, 22/04/23 from KNES
VA ADVISORY
DTG: 20230422/2053Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2023/341
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: FQT EM
OBS VA DTG: 22/2020Z
OBS VA CLD: SFC/FL400 S0154 W07822 - S0206 W07814 - S0251 W07947 - S0227 W07955 - S0154 W07822 MOV SW 25KT
FCST VA CLD +6HR: 23/0230Z SFC/FL400 S0155 W07822 - S0202 W07817 - S0252 W07949 - S0227 W07956 - S0155 W07822
FCST VA CLD +12HR: 23/0830Z NO VA EXP
FCST VA CLD +18HR: 23/1430Z NO VA EXP
RMK: VA, IF PRESENT, CANNOT BE DISTINGUISHED FROM
CONVECTION. OBS VA BASED ON PREV T+6 AND NWP
MODELS THAT SUGGEST LTLCG FOR THE NEXT 6 HOURS.
...TURK
NXT ADVISORY: WILL BE ISSUED BY 20230423/0300Z