Overall Green alert Flood
in United States

Event summary

This flood can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID FL 1101040
Death: 86
Displaced: 7778
Countries: United States
From - To 12 Aug - 15 Sep

GDACS Score

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Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Storm Ida, Pennsylvania, USA, Early September 2021Remnants of Hurricane Ida moved north bringing heavy rainfall and floods to the Northeast and Mid-Atlantic regions of USA, including Pennsylvania. 5 storm-related fatalities were reported in Pennsylvania, including one as a result of wind damage, 3 people who died in floods in Montgomery County and 1 in floods in Milford in Upper Bucks County. Emergency officials evacuated about 3,000 people living downstream from a dam near Portage and Johnstown. Levels of the Wilmore dam reached the danger mark after hours of heavy rain, prompting pre-emptive evacuations. On 02 September officials advised all residents and businesses downstream of Pickering Creek Dam, located in Schuylkill Township, Chester County, to evacuate the area immediately. Note: Other affected states are reported separately.Sat 4 Sep 2021FloodList provided by Copernicus GloFAS
Detailed event map. European Union, 2022. 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: 544 | About casualties: 44 | Last hour: 0

See the shocking flooding impacting the US in Hurricane Ida's wake2021-09-04T00:55+0200.

Flooding has killed at least nine people, swept away cars, submerged subway lines and grounded flights in New York and New Jersey as the remnants of Hurricane Ida brought torrential rains to the area this week. New York City Mayor Bill de B
...(more)
Reportan 29 muertos por ciclón Ida en EEUU2021-09-04T00:33+0200.

Al menos 29 personas han muerto en Estados Unidos como consecuencia del paso del ciclón Ida, que tras degradarse a tormenta tropical, ha causado estragos en la costa este de Estados Unidos, donde ha provocado precipitaciones sin precedentes
...(more)
NY, NJ officials vow to improve extreme weather resilience as Ida deat ... 2021-09-04T00:30+0200.

Officials in New York and New Jersey said on Friday that improvements to infrastructure were needed to deal with extreme weather events after flash flooding from Hurricane Ida caught the U.S. Northeast off guard, killingat least 46 people.
...(more)
U.S. NY, NJ officials vow to improve extreme weather resilience as Ida ... 2021-09-04T00:22+0200.

NEW YORK, Sept 3 (Reuters) - Officials in New York and New Jersey said on Friday that improvements to infrastructure were needed to deal with extreme weather events afterflash flooding from Hurricane Ida caught the U.S. Northeast off guard,
...(more)

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 (33), (2), NASA (7), WMO (1), INFORM (2),