Alert archive / Hydrologic Statements / 2019
Hydrologic Statements in the United States, September 2019
1 hydrologic statements in September 2019. Each alert counts once, however many counties it covered. The archive of hydrologic statements reaches back to 2005.
Hydrologic Statements by state
Each state shaded by its count. Tap a state for its own archive.
- Hydrologic Statements
- 1
- Busiest day
- September 17, 20191 hydrologic statements
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
Nearby
Alerts in force nowThe tornado archiveThe radar archive20182020
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.