Overall Red alert Tropical Cyclone for AMPIL-24
in Japan

Event summary

Tropical Cyclone AMPIL-24 can have a high humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001082
Name AMPIL-24
From - To 12 Aug - 18 Aug
Exposed countries Japan
Exposed population 1.2 million in Category 1 or higher
Maximum wind speed 213 km/h Category 4
Maximum storm surge 0.3 m (16 Aug 14:00 UTC)
Vulnerability Low (Japan)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 102 km/h 0.3 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 227 km/h n.a. 512 mm 0.5
GFS n.a n.a. n.a. n.a.
ECMWF n.a n.a. n.a. n.a.
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Japan - Tropical cyclone AMPIL (ECHO 21 Aug 2024)Fri, 16 Aug 2024 10:16

  • On 14-15 August, tropical cyclone AMPIL continued moving north over the northern Pacific Ocean toward central Honshu island (the main island of Japan), strengthening, as a typhoon. According to the Japan Meteorological Agency (JMA), on 16 August at 6.00 UTC, its centre was located offshore, near the coast of central Honshu island, approximately 190 km south-east of the Greater Tokyo Area, with maximum sustained winds of 185 km/h (typhoon).
  • Media report, as of 16 August, preventive evacuation orders for around 17,000 households issued by national authorities across the Greater Tokyo Area and the coastal areas of central Honshu island.
  • On 16 August, AMPIL is forecast to continue moving north-eastward over the ocean, close to the coast of central Honshu island, strengthening, with maximum sustained winds up to 210 km/h. On 17 August, it is expected to continue moving north-eastward well off the coast of northern Honshu island, weakening, with maximum sustained winds of 165 km/h.
  • Over the next 72 hours, heavy rainfall, strong winds and storm surges are forecast over central and northern Honshu island.
AMPIL-24 - EC/ECHO daily mapFri, 16 Aug 2024 15:57

A new EC/ECHO daily map is now available
Japan - Tropical cyclone AMPIL, update (ECHO 24 Aug 2024)Mon, 19 Aug 2024 10:55

  • The passage of the typhoon AMPIL over the northern Pacific Ocean, close to central Honshu island (particularly nearby the Greater Tokyo Area) on 16 August caused heavy rainfall, strong winds and storm surges.
  • The Fire and Disaster Management Agency (FDMA) reported, as of 17 August, four injured people, two of which in the Kanagawa prefecture and one each in the Fukushima and the neighbouring Ibaraki prefecture. 
  • Over the next 48 hours, heavy rainfall is still forecast over central Honshu island.
Detailed event map. European Union, 2024. 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

JAPAN-TOKYO-TYPHOON AMPIL-DISRUPTED TRANSPORTATION 8/16/2024 11:45:00 AM.

(240816) -- TOKYO, Aug. 16, 2024 (Xinhua) -- Aircraft of All Nippon Airways are pictured at Haneda Airport in Tokyo, Japan, Aug. 16, 2024. Ampil, the seventh typhoon of the year, hit Japan on Friday, forcing cancellations of public transit
...(more)
JAPAN-TOKYO-TYPHOON AMPIL-DISRUPTED TRANSPORTATION 8/16/2024 11:33:00 AM.

(240816) -- TOKYO, Aug. 16, 2024 (Xinhua) -- Aircraft of All Nippon Airways are pictured at Haneda Airport in Tokyo, Japan, Aug. 16, 2024. Ampil, the seventh typhoon of the year, hit Japan on Friday, forcing cancellations of public transit
...(more)
Japan - Tropical cyclone AMPIL (GDACS, JMA, JTWC, media) (ECHO Daily F.. 8/16/2024 11:22:00 AM.

On 14-15 August, tropical cyclone AMPIL continued moving north over the northern Pacific Ocean toward central Honshu island (the main island of Japan), strengthening, as a typhoon. According to the Japan Meteorological Agency (JMA), on 16 A
...(more)

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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 (40), (2), WMO (1), INFORM (2),