Overall Green alert Tropical Cyclone for HAROLD-23
in United States, Mexico

Event summary

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

GDACS ID TC 1000997
Name HAROLD-23
From - To 21 Aug - 23 Aug
Exposed countries United States, Mexico
Exposed population No people in Category 1 or higher
Maximum wind speed 83 km/h Tropical storm
Maximum storm surge 0.8 m (22 Aug 19:00 UTC)
Vulnerability Medium (Mexico)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA 37 km/h 0.8 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 101 km/h 0.9 m 637 mm 0.5
GFS 79 km/h 0.8 m 339 mm 0.5
ECMWF 65 km/h 0.8 m 281 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
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: 727 | About casualties: 97 | Last hour: 0

At Least 1 Person Is Dead and 2 Are Missing as Tropical Storm Franklin ... 2023-08-26T23:46+0200.

“The population of the Dominican Republic must all be right now, without exception, in their homes, the homes of friends and family, or in shelters,” said Juan Manuel Méndez, emergency operations director. The Civil Defense said a man ident
Texas Wants to Know: How will our hot summer affect hurricane season?2023-08-26T16:11+0200.

Tropical Storm Harold made landfall on the Texas coast this week, becoming the eighth named storm in the Atlantic in 2023. As hurricane season arrives, Texas Wants to Know set out to learn if this summer's record-setting high temperatures c
Hurricane season 2023: Turbulent Pacific as Atlantic forecast is bleak2023-08-26T12:22+0200.

T he 2023 hurricane season is at the halfway mark for both the and Pacific oceans, with Pacific storms surprisingly affecting the U.S. more than the Atlantic storms so far. With the recent tropical storms in California and Texas, attention
Statement from President Joe Biden on Extreme Weather2023-08-25T20:05+0200.

Across the country, people are experiencing the devastating impacts of extreme weather worsened by climate change. As peak hurricane season approaches, my Administration continues taking action to bolster the country’s preparedness, and sup

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), DesInventar (1), WMO (1), INFORM (2),