Overall Green alert Tropical Cyclone for SURIGAE-21
in Japan, Philippines, Palau,

Event summary

Tropical Cyclone SURIGAE-21 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000778
From - To 13 Apr - 24 Apr
Exposed countries Japan, Philippines, Palau,
Exposed population No people in Category 1 or higher
Maximum wind speed 306 km/h Category 5
Maximum storm surge 0.4 m (18 Apr 12:00 UTC)
Vulnerability Medium (Palau)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS 306 km/h 0.4 m n.a. 0.5
GDACS+ 299 km/h 0 m 1247 mm 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 295 km/h 0.7 m 1483 mm 0.5
GFS 234 km/h 0.5 m 1249 mm 0.5
ECMWF 212 km/h 0.6 m 1088 mm 0.5
Beta Version - All weather systems in the area: maximum expected impact (wind, storm surge, rainfall)
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Philippines - Tropical Cyclone SURIGAE update (ECHO 22 Apr 2021)Thu, 22 Apr 2021 16:11

  • The passage of Tropical Cyclone SURIGAE over the Philippine Sea continues to affect the eastern coast of central and northern Philippines, resulting in four fatalities and 13 injured people, as reported by national authorities on 22 April. More than 235,750 people have been affected across Cagayan Valley, Bicol, Eastern Visayas and Caraga Regions.
  • Approximately 18,600 persons have been displaced to 252 evacuation centers and additional 24,470 individuals have sought private shelter. Damage has been reported to 1,020 houses, six road sections and one bridge.
  • On 22 April at 0.00 UTC, the centre of SURIGAE was located on the Philippine Sea, approximately 315 km east of Babuyan Islands (northern Philippines). 
  • SURIGAE is expected to weaken, as it moves eastwards over the Philippine Sea, south of Yaeyama and Okinawa Islands (southern Japan).
  • A Tropical Cyclone Wind Signal 1 is in effect for north-eastern Luzon, Batanes and Babuyan Islands (northern Philippines). Strong wind, heavy rain and high waves could affect coastal waters of northern Philippines on 22-13 April.
Philippines - Tropical Cyclone SURIGAE update (ECHO 21 Apr 2021)Wed, 21 Apr 2021 15:22

  • Tropical Cyclone SURIGAE continued north-northwest and on 21 April at 0.00 UTC its centre was located approximately 295 km east of Palanan Municipality (Isabela Province, northeastern Luzon), with maximum sustained wind of 222 km/h.
  • According to the National Disaster Risk Reduction and Management Council (NDRRMC), following the passage of SURIGAE close to the eastern coast of the Philippines, three people have died, one is still missing and 10 have been injured across the regions of Bicol, Davao, Eastern and Central Visayas. More than 37,000 people have been displaced, of which 15,813 have been sheltered in 236 evacuation centres and almost 230,000 have been affected.
  • SURIGAE is forecast to continue north-northwest on 21 April and to change direction northeastward over the central Philippine Sea on 22 April.
  • A Typhoon signal 1 is in effect for central and north-eastern Luzon, and flood advisories have been issued for the Regions of Bicol and Eastern Visayas. For the next 24 hours, strong wind, heavy rain and high waves are forecast over most parts of central-eastern, northern and north-eastern Luzon.
Philippines - Tropical Cyclone SURIAGE update (ECHO 19 Apr 2021)Mon, 19 Apr 2021 04:00

  • Tropical Cyclone SURIAGE (locally also known as BISING) is moving north-west over the Philippine Sea. On 19 April at 0.00 UTC its centre was located approximately 220 km east of the eastern coast of Catanduanes island (Bicol Region, Luzon), with maximum sustained wind of 231 km/h.
  • Heavy rain has been affecting central-eastern Philippines, resulting in flooding, as national authorities report. Up to 68,490 people from Bicol and Eastern Visayas Regions have been pre-emptively evacuated. Floodwaters have affected two road sections and one bridge and power outages occurred across Central and Eastern Visayas Regions.
  • SURIAGE is forecast to weaken as it moves north over the Philippine Sea, passing off the eastern coast of Luzon island on 19-22 April, with maximum sustained wind up to 215 km/h.
  • A Tropical Cyclone Wind Signal 2 is in effect for Luzon, including Catanduanes and Eastern Visayas and a Tropical Cyclone Wind Signal 1 has been issued for north-eastern Mindanao. Strong wind, heavy rain, and high waves are forecast over central-eastern Philippines on 19-20 April.
Micronesia - Tropical Cyclone SURIAGE (ECHO 14 Apr 2021)Wed, 14 Apr 2021 15:45

  • The new tropical Cyclone SURIGAE, formed in the West Pacific Ocean, is moving north-westwards. On 14 April at 0.00, its centre was located about 110 km south of Yap Island (Federated States of Micronesia), and 330 km east of Palau, with maximum sustained winds of 65 km/h.
  • In the next 24 hours, SURIGAE is forecast to intensify as it moves north-west over the Philippine Sea. 
  • A Tropical Storm Warning remains in effect for Yap State. Strong wind, heavy rain and high waves could affect Yap and Palau (specifically Koror and Kayangel islands) on 14-15 April.
Detailed event map. European Union, 2021. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Articles: 335 | About casualties: 50 | Last hour: 0

Typhoon Surigae - Apr 2021Wed, 28 Apr 2021 04:36:00 +0200.

As of 1600 HRS 20 Apr 2021, Typhoon Surigae (local name: Bising), continues to maintain its strength as it moves slowly North-Northwestward East of Aurora Province, Philippines. At 1600 HRS today, the centre of the eye was located based on
Coast Guard Cutter Delivers Emergency Supplies to Palau following Typh ... Wed, 28 Apr 2021 01:44:00 +0200.

The crew of the Coast Guard Cutter Myrtle Hazard (WPC 1139) deliver emergency supplies to the island of Kayangel, Palau, following Typhoon Surigae, April 24, 2021.The supplies included water and food for the people of Kayangel. U.S. COAST G
MIL-OSI Security: Video Available: Coast Guard Cutter delivers emergen ... Tue, 27 Apr 2021 13:55:00 +0200.

Source: United States Coast Guard. Coast Guard Cutter delivers emergency supplies to Palau following Typhoon Surigae. Editors’ Note: Click on images to download a high-resolution version. SANTA RITA, Guam — The crew of the Coast Guard Cutt
Two More Deceased LCT Crewmembers Recovered off MindanaoTue, 27 Apr 2021 04:53:00 +0200.

04-26-2021 10:26:27 The Philippine Coast Guard has recovered the bodies of two more missing crewmembers from the landing craft Cebu Great Ocean, which went aground in foul weather on the north end of Mindanao on April 19. All 20 of the LCT'

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (38), (1), INFORM (2),