Alert archive / Illinois

Weather alerts in Henderson County, Illinois

3,291 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Henderson County and its neighbors

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

Alerts
3,291
Warnings
835
Watches
683
Advisories
696
Busiest year
2010232 alerts
Average year
87over 38 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 21, 11:47 AM CDTRiver Flood WarningDVN5 days
Sep 21, 11:47 AM CDTRiver Flood WarningDVN5 days
Sep 21, 11:47 AM CDTRiver Flood WarningDVN4 days
Sep 2, 2:02 AM CDTExtreme Heat WarningDVN4 days
Aug 19, 4:36 PM CDTFlash Flood WarningDVN2 hr
Aug 15, 3:19 AM CDTFlash Flood WarningDVN5 hr
Aug 15, 1:55 AM CDTFlash Flood WarningDVN6 hr
Aug 14, 4:59 AM CDTFlash Flood WarningDVN6 hr
Aug 14, 3:44 AM CDTFlash Flood WarningDVN6 hr
Aug 12, 8:20 AM CDTSevere Thunderstorm WarningDVN55 min
Aug 12, 7:27 AM CDTSevere Thunderstorm WarningDVN63 min
Jul 25, 2:49 AM CDTExtreme Heat WarningDVN67 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.