The data here are provided in three different formats for ease of use. The shapefiles, Google Earth KML, and comma separated values (csv) all provide the same data.
By downloading and using the Flash Flood Observation Database, and components therein, I agree to the data usage policy specified at FLASH Flood Observation Data Usage Agreement as well as more general usage policies established within NOAA and the USGS.
Differences from 2013v1: USGS data updated to extend through May 2016. NWS Storm Data unchanged from 2013v1. SHAVE data is unchanged from 2011v1. Fatality circumstances are new in 2016v1.
| Data Type | Shapefile | KML | CSV |
| NWS Flash Flood Points | nws_ff_pts_shp.zip | nws_ff_pts_kml.zip | nws_ff_pts_csv.zip |
| NWS Flash Flood Polygons | nws_ff_poly_shp.zip | nws_ff_poly_kml.zip | nws_ff_poly_csv.zip |
| USGS Metadata | usgs_meta_shp.zip | usgs_meta_kml.zip | usgs_meta_csv.zip |
| USGS Event Data | usgs_events_shp.zip | usgs_events_kml.zip | usgs_events_csv.zip |
| SHAVE Metadata | shave_impacts_metadata.txt | ||
| SHAVE Event Data | shave_shp.zip | shave_kml.zip | shave_csv.zip |
| Fatality Circumstances Metadata | fatality_circumstances_metadata.pdf | ||
| Fatality Circumstances | fatality_circumstances.csv.zip | ||
2-Digit HUC Basins for Reference
