Overall Green Volcanic eruption alert for Etna in Italy on 21 May 2023 23:51 UTC

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Overall Green alert Volcanic eruption for Etna

in Italy

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.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

21 May 23:51 22 May 06:00 22 May 11:01

22/05 11:01 2023-9 TOULOUSE

22/05 06:00 2023-8 TOULOUSE

21/05 23:51 2023-7 TOULOUSE

21/05 17:52 2023-6 TOULOUSE

21/05 12:00 2023-5 TOULOUSE

21/05 10:14 2023-4 TOULOUSE

Volcanic Ash Advisory issued on 2023-05-22 at 11:01 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption at 2023-05-21 06:15 UTC lava ow still.
Thin SO2 cloud visible from satellite data over sea with very weak risk of volcanic ash associated.

Original Message :

Received FVXX01 at 11:01 UTC, 22/05/23 from LFPW
VA ADVISORY
DTG: 20230522/1101Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01500
AREA: ITALY
SUMMIT ELEV: 3330M
ADVISORY NR: 2023/9
INFO SOURCE: SAT IMAGERY, INGV
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20230521/0615Z LAVA FLOW STILL
OBSERVED, NO ASH CLOUD
OBS VA DTG: 22/1100Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100/200
070/15KT
FCST VA CLD +6 HR: 22/1700Z NO VA EXP
FCST VA CLD +12 HR: 22/2300Z NO VA EXP
FCST VA CLD +18 HR: 23/0500Z NO VA EXP
RMK: THIN SO2 CLOUD VISIBLE FROM SATELLITE DATA OVER IONIAN SEA WITH
VERY WEAK RISK OF VOLCANIC ASH ASSOCIATED
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2023-05-22 at 06:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption at 2023-05-21 06:15 UTC new vona orange.
None.

Original Message :

Received FVXX01 at 06:00 UTC, 22/05/23 from LFPW
VA ADVISORY
DTG: 20230522/0600Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01500
AREA: ITALY
SUMMIT ELEV: 3330M
ADVISORY NR: 2023/8
INFO SOURCE: SAT IMAGERY, INGV
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20230521/0615Z NEW VONA ORANGE
OBS VA DTG: 22/0600Z
OBS VA CLD: FL200/350 N3900 E01839 - N3821 E02209 - N3721 E02151 - N3803 E01821 - N3900 E01839 MOV E 5KT
N3803 E01821 - N3900 E01839 MOV E 5KT
FCST VA CLD +6 HR: 22/1200Z FL200/350 N3842 E01924 - N3842 E02221 - N3721 E02224 - N3738 E01933 - N3842 E01924
N3721 E02224 - N3738 E01933 - N3842 E01924
FCST VA CLD +12 HR: 22/1800Z NO VA EXP
FCST VA CLD +18 HR: 23/0000Z NO VA EXP
RMK: NIL
NXT ADVISORY: NO LATER THAN 20230522/1200Z=

Volcanic Ash Advisory issued on 2023-05-21 at 23:51 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption at 2023-05-21 06:15 UTC volcanic ash emission has ceased.
None.

Original Message :

Received FVXX01 at 23:51 UTC, 21/05/23 from LFPW
VA ADVISORY
DTG: 20230521/2351Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01500
AREA: ITALY
SUMMIT ELEV: 3330M
ADVISORY NR: 2023/7
INFO SOURCE: SAT IMAGERY, INGV
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20230521/0615Z VA EMISSION HAS CEASED
OBS VA DTG: 22/0000Z
OBS VA CLD: FL200/350 N3833 E01841 - N3845 E02054 - N3721 E02112 - N3708 E01915 - N3833 E01841 MOV E 10KT
N3708 E01915 - N3833 E01841 MOV E 10KT
FCST VA CLD +6 HR: 22/0600Z FL200/350 N3842 E02045 - N3851 E02257 - N3730 E02318 - N3718 E02118 - N3842 E02045
N3730 E02318 - N3718 E02118 - N3842 E02045
FCST VA CLD +12 HR: 22/1200Z FL200/350 N3845 E02257 - N3851 E02503 - N3730 E02524 - N3723 E02324 - N3845 E02257
N3730 E02524 - N3723 E02324 - N3845 E02257
FCST VA CLD +18 HR: 22/1800Z NO VA EXP
RMK: NIL
NXT ADVISORY: NO LATER THAN 20230522/0600Z=

Volcanic Ash Advisory issued on 2023-05-21 at 17:52 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption at 2023-05-21 06:15 UTC volcanic ash emission has ceased.
None.

Original Message :

Received FVXX01 at 17:53 UTC, 21/05/23 from LFPW
VA ADVISORY
DTG: 20230521/1752Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01500
AREA: ITALY
SUMMIT ELEV: 3330M
ADVISORY NR: 2023/6
INFO SOURCE: SAT IMAGERY, INGV
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20230521/0615Z VA EMISSION HAS CEASED
OBS VA DTG: 21/1800Z
OBS VA CLD: FL200/350 N3824 E01706 - N3808 E01936 - N3636 E01936 - N3700 E01739 - N3824 E01706 MOV E 10KT
N3700 E01739 - N3824 E01706 MOV E 10KT
FCST VA CLD +6 HR: 22/0000Z FL200/350 N3827 E02106 - N3706 E02124 - N3700 E01912 - N3821 E01856 - N3827 E02106
N3700 E01912 - N3821 E01856 - N3827 E02106
FCST VA CLD +12 HR: 22/0600Z FL200/350 N3818 E02300 - N3723 E02306 - N3718 E02109 - N3821 E02106 - N3818 E02300
N3718 E02109 - N3821 E02106 - N3818 E02300
FCST VA CLD +18 HR: 22/1200Z NO VA EXP
RMK: NIL
NXT ADVISORY: NO LATER THAN 20230522/0000Z=

Volcanic Ash Advisory issued on 2023-05-21 at 12:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption at 2023-05-21 06:15 UTC volcanic ash emission has ceased.
None.

Original Message :

Received FVXX01 at 12:01 UTC, 21/05/23 from LFPW
VA ADVISORY
DTG: 20230521/1200Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01500
AREA: ITALY
SUMMIT ELEV: 3330M
ADVISORY NR: 2023/5
INFO SOURCE: SAT IMAGERY, MDL, INGV
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20230521/0615Z VA EMISSION HAS CEASED
OBS VA DTG: 21/1200Z
OBS VA CLD: SFC/FL250 N3751 E01451 - N3742 E01509 - N3703 E01424 - N3736 E01409 - N3751 E01451 MOV SW 10KT FL250/350 N3753 E01457 - N3830 E01515 - N3806 E01651 - N3738 E01641 - N3738 E01512 - N3753 E01457 MOV E 10KT
E01457 MOV E 10KT
FCST VA CLD +6 HR: 21/1800Z SFC/FL250 N3751 E01454 - N3742 E01518 - N3623 E01503 - N3633 E01424 - N3751 E01454 FL250/350 N3733 E01542 - N3912 E01503 - N3812 E01624 - N3751 E01830 - N3708 E01651 - N3733 E01542
E01542
FCST VA CLD +12 HR: 22/0000Z FL250/350 N3738 E01554 - N3824 E02003 - N3736 E02033 - N3638 E01639 - N3738 E01554
N3736 E02033 - N3638 E01639 - N3738 E01554
FCST VA CLD +18 HR: 22/0600Z NO VA EXP
RMK: NIL
NXT ADVISORY: NO LATER THAN 20230521/1800Z=

Volcanic Ash Advisory issued on 2023-05-21 at 10:14 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption at 2023-05-21 06:15 UTC moderate to high volcanic ash emission visibility on satellite imagery.
None.

Original Message :

Received FVXX01 at 10:15 UTC, 21/05/23 from LFPW
VA ADVISORY
DTG: 20230521/1014Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01500
AREA: ITALY
SUMMIT ELEV: 3330M
ADVISORY NR: 2023/4
INFO SOURCE: VONA, SAT IMAGERY, WEBCAM, INGV
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20230521/0615Z MDT TO HIGH VA EMS VIS
ON SAT IMAGERY
OBS VA DTG: 21/1000Z
OBS VA CLD: SFC/FL250 N3748 E01457 - N3742 E01512 - N3708 E01433 - N3723 E01412 - N3748 E01457 MOV SW 10KT FL250/370 N3742 E01500 - N3753 E01506 - N3742 E01554 - N3718 E01539 - N3742 E01500 MOV E 15KT
N3753 E01506 - N3742 E01554 - N3718 E01539 - N3742 E01500 MOV E 15KT
FCST VA CLD +6 HR: 21/1600Z SFC/FL250 N3751 E01451 - N3745 E01500 - N3542 E01530 - N3603 E01321 - N3751 E01451 FL250/370 N3757 E01509 - N3812 E01815 - N3636 E01615 - N3736 E01500 - N3757 E01509
N3812 E01815 - N3636 E01615 - N3736 E01500 - N3757 E01509
FCST VA CLD +12 HR: 21/2200Z NOT PROVIDED
FCST VA CLD +18 HR: 22/0400Z NOT PROVIDED
RMK: NIL
NXT ADVISORY: NO LATER THAN 20230521/1500Z=

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