Alert archive / Iowa

Weather alerts in Washington County, Iowa

3,411 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Washington County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
3,411
Warnings
901
Watches
683
Advisories
720
Busiest year
2008235 alerts
Average year
85over 40 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 20, 8:04 AM CDTAreal Flood WarningDVN6 hr
Sep 20, 5:43 AM CDTRiver Flood WarningDVN4 days
Sep 20, 5:17 AM CDTRiver Flood WarningDVN4 days
Sep 20, 1:18 AM CDTSevere Thunderstorm WarningDVN57 min
Sep 20, 12:16 AM CDTFlash Flood WarningDVN8 hr
Sep 8, 8:18 PM CDTSevere Thunderstorm WarningDVN57 min
Sep 2, 2:02 AM CDTExtreme Heat WarningDVN4 days
Aug 14, 3:24 PM CDTRiver Flood WarningDVN3 days
Aug 14, 5:33 AM CDTFlash Flood WarningDVN5 hr
Aug 13, 9:36 AM CDTSevere Thunderstorm WarningDVN54 min
Aug 13, 9:10 AM CDTTornado WarningDVN50 min
Aug 7, 7:38 PM CDTSevere Thunderstorm Warning Considerable damage threatDVN67 min

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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.