Overall Green alert Tropical Cyclone for SANBA-23
in China

Event summary

Tropical Cyclone SANBA-23 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001023
Name SANBA-23
From - To 17 Oct - 20 Oct
Exposed countries China
Exposed population No people in Category 1 or higher
Maximum wind speed 74 km/h Tropical storm
Maximum storm surge 0.6 m (19 Oct 18:00 UTC)
Vulnerability Medium (China)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 46 km/h 0.6 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 97 km/h 0.7 m 937 mm 0.5
GFS 83 km/h 0.7 m 448 mm 0.5
ECMWF 76 km/h 0.8 m 627 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
China - Tropical cyclone SIXTEEN (ECHO 18 Oct 2023)Wed, 18 Oct 2023 10:20

  • A new tropical cyclone named SIXTEEN formed over the western South China Sea, is moving northwest over south-eastern China. On 18 October at 0.00 UTC, its centre was located over the sea approximately 172 km south of southern Hainan Island, with maximum sustained winds of 56 km/h (tropical depression).
  • SIXTEEN will continue north-west and it will approach the south-west coast of Hainan Island on 19 October, strengthening. After that, it will change direction moving south-west on 20 October and it will dissipate over the Gulf of Tonkin on 23 October.
  • For the next 24 hours, heavy rainfall and strong winds are forecast over Hainan Island, south-eastern China and north-eastern Vietnam.
China, Vietnam - Tropical storm SANBA, update (ECHO 19 Oct 2023)Thu, 19 Oct 2023 09:44

  • Tropical storm SANBA continued northward over the Gulf of Tonkin and passed very close to the coast of western Hainan Island in southern China on 18 October, as a tropical storm. On 19 October at 6.00 UTC, its centre was located over the sea approximately 35 km north-west of northern coast of Hainan Island, with maximum sustained winds of 72 km/h.
  • SANBA is forecast to turn south-west over the Gulf and toward northern Vietnam on 20-22 October, remaining a tropical storm.
  • Over the next 72 hours, heavy rainfall, strong winds and storm surges are forecast over Hainan Island, south-western China and northern Vietnam.
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

Articles: 159 | About casualties: 0 | Last hour: 0

ASEAN Weekly Disaster Update Week 42 | 16 - 22 October 20232023-10-23T13:16+0200.

REGIONAL SUMMARY: In the forty-second week of 2023, the ASEAN region experienced 12 disaster events that affected Indonesia, Malaysia, the Philippines, Thailand, and Viet Nam. In addition to these, Department of Disaster Prevention and Miti
...(more)
WEEKLY DISASTER UPDATE 16 – 22 October 20232023-10-23T12:52+0200.

REGIONAL SUMMARY: In the forty-second week of 2023, the ASEAN region experienced 12 disaster events that affected Indonesia, Malaysia, the Philippines, Thailand, and Viet Nam. In addition to these, Department of Disaster Prevention and Miti
...(more)
Typhoon Sanba brings heavy rain to southern China2023-10-23T04:30+0200.

Affected by Typhoon Sanba, parts of south China's Guangdong Province and Guangxi Zhuang Autonomous Region were lashed by rainstorms and gales from Thursday evening to Friday morning. . The Guangdong Meteorological Service reported that unde
...(more)
Hainan Island and other places have heavy precipitation, and gusts in ... 2023-10-22T16:07+0200.

2023-10-22T14:06:52.059Z. Highlights: Hainan Island and other places have heavy precipitation, and gusts in some waters such as the Taiwan Strait have reached 9. There are 6~1 level winds in parts of central Inner Mongolia, eastern Heilongj
...(more)

View more news

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),