Overall Red alert Tropical Cyclone for HAIKUI-23
in China

Event summary

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

GDACS ID TC 1001002
Name HAIKUI-23
From - To 28 Aug - 04 Sep
Exposed countries China
Exposed population 5.3 million in Category 1 or higher
Maximum wind speed 194 km/h Category 3
Maximum storm surge 1.5 m (04 Sep 21:00 UTC)
Vulnerability Medium (China)

GDACS Score

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Wind Storm surge Rainfall GDACS score
GDACS JTWC 56 km/h 1.5 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF n.a n.a. n.a. n.a.
GFS 216 km/h 1.4 m 837 mm 1.5
ECMWF 198 km/h 1.4 m 524 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.

Technical Issue affecting Storm Surge Calculations

We are encountering a technical issue affecting the accuracy of Storm Surge calculations derived from the JTWC (Joint Typhoon Warning Centre). Therefore we recommend to refer to the calculations based on the GFS (Global Forecast System) until the technical issue is solved. We apologize for any inconvenience this may cause.

Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Taiwan, Philippines - Tropical cyclone HAIKUI (ECHO 01 Sep 2023)Fri, 01 Sep 2023 10:10

  • A new tropical cyclone named HAIKUI ("Hanna" in the Philippines) formed over the Pacific Ocean on 28 August and started moving west toward central Taiwan, as a tropical storm. On 1 September at 3.00 UTC, its centre was located over the Ocean approximately 800 km east-southeast of the central coast of eastern Taiwan, with maximum sustained winds of 137 km/h (typhoon).
  • On the forecast track, HAIKUI is expected to continue moving west over the Ocean, strengthening, and it is forecast to to travel close to or make landfall in the vicinity of the Yaeyama Islands in Japan's southernmost part between on 2 September, then make landfall or pass close to the northern portion of Taiwan on 3 September in the morning (UTC), with maximum sustained winds up to 190-195 km/h.
  • Very heavy rainfall, strong winds and storm surge caused by HAIKUI are forecast over the whole Taiwan and the Batanes Islands (the northernmost region of the Philippines) over 2-4 September.
Taiwan, China - Tropical cyclone, HAIKUI (ECHO 04 Sep 2023)Mon, 04 Sep 2023 10:20

  • Tropical cyclone HAIKUI made landfall on 3 September over the south-eastern coast of Taiwan, crossed the southern area of the Island, and moved over the northern South China Sea towards Fujian Province (Eastern China). On 4 September at 0.00 UTC, its centre was located over the sea approximately 223 km southeast of Xiamen City (Fujian Province), with maximum sustained winds of 139 km/h (typhoon).
  • According to media reports, more than 40 people have been injured, more than 7,000 people have been evacuated, and 160,000 houses experienced power outages following the passage of HAIKUI in Taiwan.
  • HAIKUI is forecast to move west-northwest over the South China Sea weakening and it will make landfall over the south-eastern coast of Fujian Province Province on 5 September.
  • For the next 24 hours, heavy rain, strong winds, and storm surge are forecast over most of Taiwan and south-eastern China, particularly over Fujian Province. Heavy rain and typhoon warnings are in effect over most of Taiwan, particularly over the western coast.
Taiwan, China - Tropical cyclone HAIKUI, update (ECHO 05 Sep 2023)Tue, 05 Sep 2023 11:18

  • Tropical cyclone HAIKUI continued moving west over the South China Sea on 4 September, weakening, and made its second landfall over the area of the Zhaoan City (far southwestern Fujian Province, bordering with the Guangdong Province) as a tropical storm. On 5 September at 6.00 UTC, its centre was located inland over the area of Chaozhou City (far eastern Guangdong Province), with maximum sustained winds of 54 km/h (tropical depression).
  • After its passage over southern Taiwan on 3 September, media report as of 5 September, nearly 80 injured people and over 7,000 evacuated people across the Island. In addition, three people were reported missing and about 114,400 people were moved to safer places in the Fuzhou City, the capital of the Fujian Province.
  • On the forecast track, HAIKUI is expected to continue moving westward inland over the central Guangdong Province, further weakening and dissipating on 6 September.
  • Over the next 48 hours, very heavy rainfall and strong winds are still forecast over both the aforementioned Provinces and over the southern Jiangxi Province.
Detailed event map. European Union, 2023. 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: 1149 | XAbout casualties: 64 | Last hour: 0

More than 36k evacuated in China due to Typhoon Haikui2023-09-06T11:46+0200.

Beijing, Sep 6 (UNI) More than 36,000 people in Fuzhou, capital of east China's Fujian Province, have been temporarily evacuated as Typhoon Haikui brought heavy rainstorms, authorities said Wednesday. As of 7 a.m. Wednesday, torrential rain
...(more)
Photo of the Day: 29 baby sea turtles rescued in Taiwan's Penghu2023-09-06T11:44+0200.

TAIPEI (Taiwan News) Conservation staff rescued 29 green sea turtle (Chelonia mydas) hatchlings on Saturday (Sept. 3) out of concern that Typhoon Haikui would endanger their survival. Although Typhoon Haikui did not inflict significant dama
...(more)
New cruise liner to service Kaohsiung-Penghu route in Taiwan2023-09-06T11:19+0200.

TAIPEI (Taiwan News) The maiden voyage of the Penghu cruise liner operating a regular route from Kaohsiung Port to Magong Port is scheduled to take place at 11:30 p.m. Wednesday (Sept. 6), per The new ship replaces the Tai-Hwa, a mixed-use
...(more)
Floods from Tropical Storm Haikui kill 2 and displace thousands in Chi ... 2023-09-06T11:18+0200.

At least two people have been killed and thousands forced to evacuate by floods brought by Tropical Storm Haikui in China’s southeastern coastal Fujian province, local authorities reported Wednesday. Schools were closed and flights suspende
...(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),