Alert archive / Missouri

Weather alerts in St. Clair County, Missouri

3,784 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

St. Clair County and its neighbors

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

Alerts
3,784
Warnings
1,233
Watches
761
Advisories
737
Busiest year
2008243 alerts
Average year
100over 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 6, 8:46 PM CDTSevere Thunderstorm WarningSGF44 min
Sep 6, 7:40 PM CDTSevere Thunderstorm WarningSGF50 min
Sep 4, 1:30 PM CDTExtreme Heat WarningSGF4 days
Aug 9, 1:04 AM CDTExtreme Heat WarningSGF8 days
Jul 26, 12:27 AM CDTExtreme Heat WarningSGF67 hr
Jul 9, 7:03 PM CDTTornado WarningSGF42 min
Jul 9, 6:39 AM CDTFlash Flood WarningSGF3 hr
Jul 9, 5:59 AM CDTSevere Thunderstorm WarningSGF46 min
Jul 9, 5:40 AM CDTSevere Thunderstorm WarningSGF65 min
Jul 9, 5:13 AM CDTSevere Thunderstorm WarningSGF47 min
Jul 4, 1:00 PM CDTSevere Thunderstorm WarningSGF60 min
Jul 4, 12:38 PM CDTSevere Thunderstorm Warning Considerable damage threatSGF52 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.