Alert archive / Illinois

Weather alerts in Calhoun County, Illinois

2,998 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Calhoun County and its neighbors

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

Alerts
2,998
Warnings
1,071
Watches
622
Advisories
499
Busiest year
2008212 alerts
Average year
73over 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
Sep 20, 11:48 AM CDTRiver Flood WarningLSX21 days
Sep 20, 11:48 AM CDTRiver Flood WarningLSX21 days
Sep 3, 12:12 AM CDTExtreme Heat WarningLSX68 hr
Jul 26, 12:40 AM CDTExtreme Heat WarningLSX66 hr
Jul 10, 7:58 PM CDTSevere Thunderstorm WarningLSX47 min
Jul 10, 7:52 PM CDTSevere Thunderstorm WarningLSX38 min
Jun 27, 1:15 PM CDTExtreme Heat WarningLSX7 days
Jun 21, 9:46 PM CDTRiver Flood WarningLSX63 hr
Jun 14, 11:15 AM CDTRiver Flood WarningLSX21 days
Jun 13, 10:20 PM CDTRiver Flood WarningLSX7 days
Jun 12, 9:37 PM CDTRiver Flood WarningLSX7 days
Jun 8, 5:03 PM CDTSevere Thunderstorm WarningLSX42 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.