Alert archive / Iowa

Weather alerts in Black Hawk County, Iowa

3,211 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Black Hawk County and its neighbors

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

Alerts
3,211
Warnings
898
Watches
669
Advisories
802
Busiest year
2008240 alerts
Average year
78over 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 7, 4:16 PM CDTSevere Thunderstorm WarningDMX59 min
Aug 7, 3:53 PM CDTTornado Warning Tornado observedDMX22 min
Aug 7, 3:49 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX26 min
Jul 26, 4:59 PM CDTSevere Thunderstorm WarningDMX46 min
Jul 25, 2:53 AM CDTExtreme Heat WarningDMX67 hr
Jul 20, 4:13 PM CDTSevere Thunderstorm WarningDMX37 min
Jul 20, 3:57 PM CDTTornado WarningDMX48 min
Jul 20, 3:56 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX64 min
Jul 20, 3:24 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX66 min
Jul 12, 12:45 PM CDTRiver Flood WarningDMX19 hr
Jul 10, 4:15 PM CDTRiver Flood WarningDMX3 days
Jul 9, 9:55 PM CDTRiver Flood WarningDMX27 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.