Overall Green alert Flood
in United States

Event summary

Flood can have a low humanitarian impact based on the magnitude, exposed population and vulnerability.

GDACS ID FL 1103228
Death: 12
Displaced: 320
Countries: United States
From - To 18 Apr - 15 May

GDACS Score

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Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
USA - Severe weather (ECHO 28 Apr 2025)Wed, 23 Apr 2025 11:26

  • Heavy rainfall, strong winds, tornadoes and thunderstorms affected a number of states across the southern USA and the Midwest region over the period from 19 to 22 April, causing floods, flash floods and several severe weather-related incidents (mainly due to tornadoes) that have resulted in casualties and damage. The affected states are Oklahoma (the worst affected), Arkansas, Texas, Missouri, Louisiana, Illinois, and Iowa.
  • Media report, as of 23 April, five fatalities across Oklahoma, of whom two were in Cleveland county, two in Tulsa county, one more in Hughes county, mainly due to floods. Two injured persons, two destroyed houses, and ten damaged houses were also reported across the state. In addition, several houses have been damaged across Arkansas due to a number of tornadoes.
  • Over the next 48 hours, more heavy rainfall, strong winds and thunderstorms are still forecast over most of the southern USA and most of the Midwest region. 
USA - Severe weather (ECHO 07 May 2025)Fri, 02 May 2025 10:52

  • Severe weather, including heavy rain, strong winds, and thunderstorms, has affected the Mid-Atlantic and the Northeast over the past days, causing fatalities and damage.
  • Media, as at 30 April, report that at least three people died in Pittsburgh, Pennsylvania, on April 29, and 70,000 people were left without power across the region.
  • More heavy to very heavy rain, strong winds, and large hail are expected to hit the US East Coast over the next 48 hours, including Pittsburgh.
Mid-Atlantic States, USA, Mid-May 2025Widespread flooding affected the Mid-Atlantic states of Maryland, Virginia, and Pennsylvania in the USA in mid-May 2025.Wed 14 May 2025Provided by Copernicus EMS GloFAS
Detailed event map. European Union, 2025. 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)

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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 (36), (2), NASA (4), WMO (1), INFORM (2),