Alert archive / Illinois / Saint Clair County / 2009

Weather alerts in Saint Clair County, Illinois, April 2009

10 weather alerts in April 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
10
Warnings
6
Watches
2
Advisories
1
Busiest day
April 5, 20095 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Apr 3, 2:14 PM CDTFrost AdvisoryLSX19 hr
Apr 3, 2:14 PM CDTFreeze WatchLSX4 days
Apr 5, 4:35 AM CDTFreeze WarningLSX28 hr
Apr 5, 9:07 AM CDTSevere Thunderstorm WarningLSX38 min
Apr 5, 10:27 AM CDTSevere Thunderstorm WarningLSX26 min
Apr 5, 10:50 AM CDTMesoscale DiscussionSPC115 min
Apr 5, 3:25 PM CDTFreeze WarningLSX41 hr
Apr 7, 1:05 PM CDTFreeze WarningLSX19 hr
Apr 29, 3:53 AM CDTFlash Flood WatchLSX36 hr
Apr 30, 2:40 PM CDTRiver Flood WarningLSX7 days

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning2
Mesoscale Discussion1
Flooding
River Flood Warning1
Flash Flood Watch1
Cold
Freeze Warning3
Freeze Watch1
Frost Advisory1

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20082010

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.