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

Event summary

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

GDACS ID TC 1000730
Name NANGKA-20
From - To 11 Oct - 14 Oct
Exposed countries Viet Nam, China, Laos, Thailand
Exposed population No people in Category 1 or higher
Maximum wind speed 93 km/h, Tropical storm
Maximum storm surge 1.3 m (13 Oct 17:00 UTC)
Vulnerability High (Vietnam)

GDACS Score

For more info on GDACS alert score click here.
+ Wind Storm surge Rainfall GDACS score
GDACS 93 km/h 1.3 m n.a. 1.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 104 km/h 1.5 m 434 mm 0.5
GFS 97 km/h 1.7 m 652 mm 0.5
ECMWF 79 km/h 1.4 m 705 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, China, Vietnam - Tropical cyclone SAUDEL update (ECHO 21 Oct 2020)Wed, 21 Oct 2020 13:00

  • Tropical cyclone SAUDEL made landfall over the eastern coast of Aurora Province (north-eastern Luzon, northern Philippines), crossed the Regions of Cagayan Valley, C.A.R. and Ilocos and continued west-northwest across the South China Sea.  On 21 October, its centre was located offshore about 150 km west of the western coast of Pangasinan Province (Ilocos Region).
  • According to media reports, at least 335 people have been displaced and housed in 13 evacuation centres in Aurora Province and 20 barangays (administrative divisions) have been flooded in Pampanga.
  • SAUDEL is forecast to move north-west across the South China Sea on 21-23 October, to pass close to Hainan Island (south-eastern China) on 24 October and to make landfall over the North Central Coast Region of Vietnam on 25 October.
  • Over the next 24 hours, heavy rain, strong wind and storm surge are forecast over most parts of western and north-western Luzon, Batanes and Babuyan Islands.
  • Severe flood advisories are still in effect across central and northern Luzon.
Vietnam, Cambodia, Laos, Thailand - Severe weather and Tropical Cyclones' activity (ECHO 15 Oct 2020)Thu, 15 Oct 2020 13:02

  • Severe weather caused by the passage of Tropical Storms LINFA and NANGKA has been affecting Vietnam, Cambodia, Laos and Thailand, resulting in at least 48 fatalities, 15 people missing and more than 830,400 affected citizens, as reported by the AHA Centre.
  • In Vietnam, officials reported that 40 people have died and 29 people are missing, 681,580 people have been affected and 136,316 houses are damaged. Continued heavy rain have hindered rescue efforts. Tropical Storm NANGKA made landfall over northern Vietnam on 14 October, with maximum sustained winds up to 65 km/h.
  • In Cambodia, 11 fatalities occurred and about 67,995 households in 19 provinces have been affected by flash floods. The worst affected provinces are Battambang (38,890 households), Pursat (18,365 households), and Banteay Meanchey (7,034 households).
  • In Laos, one person died and 3 others are missing. More than 7,780 citizens have been displaced and 11,100 people have been affected. In Thailand, heavy rain and floods damaged houses and public infrastructure in the eastern and southern provinces (Trang, Satun, Songkhla, Nakhon Nayok and Sa Kaeo).
  • Heavy rainfall is forecast over most of Vietnam, Laos, Cambodia and Thailand on 15-16 October.
Vietnam, China, Laos - Tropical Storm NANGKA (ECHO 14 Oct 2020)Wed, 14 Oct 2020 13:00

  • Tropical Storm NANGKA is moving west over the Gulf of Tonkin (north-western South China Sea) and on 14 October its center was located about 60 km east of the southern coast of Nam Dinh Province (northern Vietnam).
  • After the passage of NANGKA over Hainan Island (southern China), 2 people died and 4 are missing as a result of a capsized boat event. NANGKA is to make landfall over southern Nam Dinh Province on the morning of 14 October.
  • In Cambodia, 7 provinces have been affected by flash floods, including Pursat, Battambang, Banteay Meanchey, Pailin, Svay Rieng and Stung Treng. Rain and flash floods killed 11 people.
  • In Vietnam, severe flooding and landslides triggered by heavy rains in the central region have left at least 29 people dead, 12 others missing and 200 000 houses affected. 17 construction workers and 13 rescue people are also missing following a landslide in Thua Thien Hue province.
  • Warnings for strong winds, high waves, and storm surge have been issued for coastal areas in the Gulf of Tonkin in Vietnam. Heavy to very heavy rainfall is forecast for northern Vietnam on 14-16 October and for Hainan Island on 14-15 October. 
Detailed event map. European Union, 2020. 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: 57 | About casualties: 2 | Last hour: 0

2 dead, 4 missing after boat capsizes in south ChinaWed, 14 Oct 2020 06:37:00 +0200.

HAIKOU, Oct. 14 (Xinhua) -- Two people were confirmed dead and four other crew members remained missing as of 4 a.m. Wednesday after a sand carrier, affected by typhoon Nangka, capsized in waters in south China, maritime authorities said. T
...(more)
2 dead, 4 missing after boat capsizes in south ChinaWed, 14 Oct 2020 06:33:00 +0200.

HAIKOU, Oct. 14 (Xinhua) -- Two people were confirmed dead and four other crew members remained missing as of 4 a.m. Wednesday after a sand carrier, affected by typhoon Nangka, capsized in waters in south China, maritime authorities said. T
...(more)
Typhoon Nangka to hit mainland on October 14Wed, 14 Oct 2020 06:15:00 +0200.

Typhoon Nangka, the seventh in the East Sea so far this year, is moving fast and is forecast to hit the mainland on October 14, a meeting of the Central Steering Committee for Natural Disaster Prevention and Control on October 13 heard. Acc
...(more)
Sand-loaded vessel sinks in China, six missingWed, 14 Oct 2020 05:59:00 +0200.

Six crew are missing after a sand carrier, affected by typhoon Nangka, capsized in waters in south China, maritime authorities sai...

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: UNOSAT (1), JRC (36), (1), DesInventar (1), WMO (1), INFORM (2),