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Screenshot of opening page for geonarrative "Hurricane Ida: U.S. Geological Survey Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida "

By Pennsylvania Water Science Center September 12, 2023

Radar image of hurricane Ida over northeastern U.S. and ocean with white swirly clouds and green land with state boundaries.

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Screenshot of title page for "Hurricane Ida: USGS Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida" geonarrative.

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Public Domain.

Data
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September 8, 2023

Data in support of peak streamflows and flooding in select areas of Pennsylvania from the remnants of Hurricane Ida, September 1-2, 2021

Heavy rainfall occurred across Pennsylvania on September 1 and 2, 2021, as a result of the remnants of Hurricane Ida. Much of eastern and southcentral Pennsylvania received five to ten inches of rain and most of the rainfall occurred in a little more than six hours. Widespread substantial flooding occurred in the area, particularly impacted was the city of Philadelphia and surrounding...

Water Resources Mission Area, Pennsylvania Water Science Center

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September 14, 2023

Hurricane Ida: USGS Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida

This geonarrative is an interactive online presentation of the USGS Pennsylvania Water Science Center's data collection efforts related to Hurricane Ida. This geonarrative includes a summary of the storm in Pennsylvania, USGS data collection methods, embedded interactive maps of flood extents in 5 southeastern Pennsylvania localities, and visual depictions of the storm’s impact across the state.

Pennsylvania Water Science Center, Supplemental Appropriations for Disaster Recovery Activities

Data

September 8, 2023