Overall Orange alert Tropical Cyclone for SINLAKU-20
in Viet Nam, Laos, China, Thailand

Event summary

Tropical Cyclone SINLAKU-20 can have a medium humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000689
Name SINLAKU-20
From - To 01 Aug - 02 Aug
Exposed countries Viet Nam, Laos, China, Thailand
Exposed population No people in Category 1 or higher
Maximum wind speed 65 km/h Tropical storm
Maximum storm surge 1.1 m (01 Aug 14:00 UTC)
Vulnerability High (Vietnam)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 65 km/h 1.2 m n.a. 1.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 83 km/h 0.6 m 603 mm 0.5
GFS 76 km/h 0.8 m 788 mm 0.5
ECMWF 68 km/h 0.9 m 635 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
China, Vietnam, Laos - Tropical Cyclone SINLAKU (ECHO 03 Aug 2020)Mon, 03 Aug 2020 13:06

  • Tropical Cyclone SINLAKU's passage close to Hainan Province (southern China) and northern Vietnam and northern Laos on 1-3 August, caused heavy rain, strong winds and storm surge.
  • Media report, evacuations across norther Vietnam, flights and ferries cancelled in Hainan and Guangdong Provinces (southern China), and northern Vietnam.
  • Thailand's north-eastern Loei province was affected by flash floods as well as large parts of Muang, Chiang Khan and Pak Chom districts, cutting off power and road access to emergency supplies, including clean water. 400 houses were submerged in Muang district and urgent government assistance is being provided to more than 1,000 households. 67 Thai provinces are on alert for further flooding as more heavy rain is expected in the coming days.
  • Strong winds and heavy rain in Vietnam caused 2 deaths and flooded 2,421 ha of rice and 21 ha of crops. More heavy rain is expected in the central Thanh Hoa and Nghe An provinces, southern and northern Vietnam.
Vietnam, Laos, Thailand - Tropical Cyclone SINLAKU update (ECHO 04 Aug 2020)Tue, 04 Aug 2020 12:59

  • Tropical Cyclone SINLAKU's passage over the Gulf of Tonkin, northern Vietnam and northern Laos on 1-3 August, caused heavy rain, strong winds and storm surge across the region.
  • According to media reports, 4 have died, 2 in Loei Province (northern Thailand), and 2 in Hoa Binh and Quang Ninh Provinces (north-east Vietnam). More than 1,000 people have been affected and over 200 houses damaged in Xayaboury Province (northern Laos).
  • The Copernicus emergency satellite mapping service was activated on 3 August to support the damage assessment across northern Vietnam.
  • Heavy rain is forecast over southern China, Vietnam, Laos, and Thailand over the next 24 hours and very heavy rain over northern Vietnam, central Laos, northern Thailand, and southern Myanmar.
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

China uses solar-powered submersible to detect typhoon 8/5/2020 12:53:00 PM.

BEIJING, Aug. 5 (Xinhua) -- Scientists have used a solar-powered unmanned submersible to obtain real-time observation data of Typhoon Sinlaku, sources with the Chinese Academy of Sciences (CAS) said on Wednesday. Developed by the academy's
...(more)
Wing Loong-10 drone makes typhoon detection debut 8/5/2020 6:05:00 AM.

Global Times. By Liu Xuanzun Source: Global Times Published: 2020/8/4 19:53:17. The Wing Loong-10, China's domestically developed large, high-altitude drone, successfully conducted its first typhoon detection test flight on Sunday, when Typ
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China completes integrated UAV typhoon observation 8/5/2020 3:14:00 AM.

China has succeeded in completing the first integrated typhoon observation based on a large unmanned aerial vehicle (UAV), according to the China Meteorological Administration (CMA). The UAV-based typhoon observation was conducted on Aug. 2
...(more)
China Focus: China completes integrated UAV typhoon observation 8/4/2020 6:33:00 PM.

BEIJING, Aug. 4 (Xinhua) -- China has succeeded in completing the first integrated typhoon observation based on a large unmanned aerial vehicle (UAV), according to the China Meteorological Administration (CMA). The UAV-based typhoon observa
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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 (38), (2), DesInventar (1), WMO (1), INFORM (2),