Flood Events Reported since 1996
To ensure data accuracy, data is released three months delayed from occurrence. The most recent data is from February 2017.
"Events" occur on a county or zone basis. So, it is entirely possible (and likely for some types of weather events) for one storm to incur multiple "events".
. As of June 3, 2016; refreshed monthly.
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National Climatic Data Center (NCDC)
From daily weather forecasts, severe storm warnings, and climate monitoring to fisheries management, coastal restoration and supporting marine commerce, NOAA’s products and services support economic vitality and affect more than one-third of America’s gross domestic product.
Severe Weather Data Inventory (SWDI) (
As of June 3, 2016; refreshed monthly.
The Severe Weather Data Inventory (SWDI) is an integrated database of severe weather records for the United States. To ensure data quality, data is released three months delayed from occurrence.
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