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Overall Red alert Tropical Cyclone for LAN-17
in Japanfrom 15 Oct 2017 12:00 UTC to 23 Oct 2017 00:00 UTC
GDACS Event Report - Summary


Tropical Cyclone LAN-17 can have a high humanitarian impact based on the Maximum sustained wind speed and the affected population and their vulnerability.

Updated: this report is based on advisory number 31: (23 Oct 2017 09:33).

  • Tropical Cyclone Hurricane/Typhoon > 74 mph (maximum wind speed of 250 km/h)
  • from 15 Oct 2017 12:00 UTC to 23 Oct 2017 00:00 UTC
  • Population affected by Category 1 (120 km/h) wind speeds or higher is 6.206 million
  • inserted at 23 Oct 2017 05:13:24 UTC
  • Vulnerability: Low

Extreme Rain

Potential rainfall is calculated based on rainfall observed by several microwave satellite sensors.

The image shows the total rainfall accumulation associated with the cyclone.

Storm surge

The maximum Storm surge height is  1.9m in Tokyo, Japan. This height is estimated for 22 Oct 2017 21:00:00.


Philippines, Japan - Tropical Cyclones LAN and TWENTYSIX

(Created: Thu, 19 Oct 2017 05:42:00 +02:00)

To obtain GIS data of the hazard layers in this map (such as rainfall, wind fields, storm surge, earthquake epicentres etc) please send a request to contact us. Note that the original source of this data (GDACS/JRC or organisations such as NOAA, USGS etc) much always be cited


Known identifiers for this event: WP252017 (JTWCid)

Latest media headlines

Articles: 345 | About casualties: 84 | Last hour: 0

Inpex : Notice Concerning Impact of Typhoon Lan (PDF 123KB)
Thu, 26 Oct 2017 10:35:00 +0200   4-traders (en)

Public Relations Group, Corporate Communications Unit. Akasaka Biz Tower, 5-3-1 Akasaka, Minato-ku, Tokyo 107-6332 JAPAN. October 26, 2017 Notice Concerning Impact of Typhoon Lan. INPEX expresses its deepest sympathies to all those affected by Typhoon Lan (Typhoon No. 21) which caused damage across all areas of Japan starting on October 21, 2017.

People and organisations:

Typhoons cause food shortage on Daito Islands
Thu, 26 Oct 2017 07:26:00 +0200   japanupdate (en)

Because of typhoon Lan last weekend, supply ferries have not been able to enter Minami and Kita Daito Islands since Oct. 15th that has caused food shortages on the two islands. A plan to resume the ferry service on Saturday was cancelled because of the approaching typhoon Saola that is forecast to reach the area this weekend.

People and organisations:

Safety board probes cause of Osaka train accident on deformed bridge during Typhoon Lan
Wed, 25 Oct 2017 11:52:00 +0200   japantimes (en)

OSAKA – The Japan Transport Safety Board on Wednesday opened a probe into an Osaka train’s emergency stop as it crossed a nearly century-old bridge over a typhoon-swollen river on Sunday. Two passengers on the Nankai Electric Railway Co. train were injured.

People and organisations:

More news...

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EMM (1), JRC (96), (2), BOM (1), JTWC (1), NASA (1), NOAA (3), OCHA (1), TRMM (1), Unisys (1), WMO (1), INFORM (2),

Access resources: List or RSS RSS

Further information and official advisories can be found at the Severe Weather Information Centre of the World Meteorological Organization, by clicking on the Tropical Cyclone symbols on the world map of the site.