Alert archive / Iowa

Weather alerts in Clarke County, Iowa

3,021 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Clarke County and its neighbors

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

Alerts
3,021
Warnings
709
Watches
707
Advisories
680
Busiest year
2008222 alerts
Average year
74over 41 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
Aug 5, 7:12 AM CDTFlash Flood WarningDMX6 hr
Jul 25, 2:53 AM CDTExtreme Heat WarningDMX67 hr
Jun 27, 12:50 PM CDTExtreme Heat WarningDMX6 days
Jun 11, 7:15 AM CDTSevere Thunderstorm Warning Destructive damage threatDMX45 min
Jun 11, 6:43 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX47 min
Jun 10, 4:27 PM CDTSevere Thunderstorm WarningDMX48 min
Jun 10, 3:22 PM CDTSevere Thunderstorm WarningDMX38 min
Jun 5, 11:23 PM CDTFlash Flood WarningDMX4 hr
Jun 5, 11:02 PM CDTSevere Thunderstorm WarningDMX32 min
Jun 5, 9:50 PM CDTTornado WarningDMX29 min
May 18, 7:06 PM CDTTornado Warning Tornado observedDMX39 min
May 16, 10:08 PM CDTHigh Wind WarningDMX5 hr

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.