Alert archive / Illinois / Williamson County / 2011

Weather alerts in Williamson County, Illinois, April 2011

55 weather alerts in April 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
55
Warnings
23
Watches
10
Advisories
5
Busiest day
April 27, 20118 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 2, 5:00 AM CDTWind AdvisoryPAH57 hr
Apr 3, 8:15 AM CDTRed Flag WarningPAH11 hr
Apr 4, 7:22 AM CDTTornado WatchSPC7 hr
Apr 6, 5:30 AM CDTRed Flag WarningPAH14 hr
Apr 9, 6:41 AM CDTMesoscale DiscussionSPC2 hr
Apr 10, 3:19 AM CDTWind AdvisoryPAH17 hr
Apr 11, 5:57 PM CDTAreal Flood AdvisoryPAH4 hr
Apr 15, 12:29 PM CDTMesoscale DiscussionSPC61 min
Apr 15, 12:47 PM CDTTornado WatchSPC9 hr
Apr 15, 3:32 PM CDTMesoscale DiscussionSPC58 min
Apr 15, 5:20 PM CDTSevere Thunderstorm WarningPAH25 min
Apr 15, 5:40 PM CDTSevere Thunderstorm WarningPAH50 min
Apr 15, 5:57 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 6:26 PM CDTSevere Thunderstorm WarningPAH34 min
Apr 19, 6:24 PM CDTMesoscale DiscussionSPC66 min
Apr 19, 6:46 PM CDTTornado WatchSPC9 hr
Apr 19, 8:07 PM CDTMesoscale DiscussionSPC83 min
Apr 19, 8:15 PM CDTSevere Thunderstorm WarningPAH60 min
Apr 19, 8:47 PM CDTAreal Flood AdvisoryPAH3 hr
Apr 21, 3:46 PM CDTFlash Flood WatchPAH6 days
Apr 21, 7:54 PM CDTRiver Flood WarningPAH30 days
Apr 22, 10:09 AM CDTMesoscale DiscussionSPC66 min
Apr 22, 1:31 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 22, 5:27 PM CDTMesoscale DiscussionSPC33 min
Apr 22, 5:49 PM CDTTornado WatchSPC7 hr
Apr 22, 9:20 PM CDTMesoscale DiscussionSPC55 min
Apr 23, 12:17 AM CDTFlash Flood WarningPAH6 hr
Apr 23, 12:55 AM CDTSevere Thunderstorm WarningPAH50 min
Apr 23, 1:04 AM CDTTornado WatchSPC4 hr
Apr 23, 3:41 AM CDTMesoscale DiscussionSPC94 min
Apr 23, 5:09 PM CDTMesoscale DiscussionSPC2 hr
Apr 23, 7:14 PM CDTFlash Flood WarningPAH10 hr
Apr 23, 8:09 PM CDTMesoscale DiscussionSPC2 hr
Apr 24, 12:02 PM CDTAreal Flood WarningPAH10 hr
Apr 24, 9:55 PM CDTAreal Flood WarningPAH59 hr
Apr 24, 11:48 PM CDTFlash Flood WarningPAH3 hr
Apr 25, 12:06 AM CDTSevere Thunderstorm WarningPAH17 min
Apr 25, 3:51 AM CDTFlash Flood WarningPAH3 hr
Apr 25, 4:34 PM CDTMesoscale DiscussionSPC56 min
Apr 25, 4:50 PM CDTTornado Watch PDSSPC7 hr
Apr 25, 6:46 PM CDTFlash Flood WarningPAH6 hr
Apr 25, 7:34 PM CDTMesoscale DiscussionSPC116 min
Apr 25, 7:45 PM CDTSevere Thunderstorm WarningPAH45 min
Apr 26, 7:49 PM CDTFlash Flood WarningPAH6 hr
Apr 26, 9:13 PM CDTMesoscale DiscussionSPC62 min
Apr 27, 9:10 AM CDTAreal Flood WarningPAH48 hr
Apr 27, 2:33 PM CDTSevere Thunderstorm WarningPAH27 min
Apr 27, 3:06 PM CDTMesoscale DiscussionSPC54 min
Apr 27, 3:29 PM CDTTornado WatchSPC5 hr
Apr 27, 4:22 PM CDTFlash Flood WarningPAH6 hr
Apr 27, 4:56 PM CDTTornado WarningPAH49 min
Apr 28, 12:38 PM CDTMesoscale DiscussionSPC97 min
Apr 29, 9:29 AM CDTAreal Flood WarningPAH4 days
Apr 29, 8:35 PM CDTFlash Flood WatchPAH50 hr
Apr 30, 4:18 AM CDTLake Wind AdvisoryPAH14 hr

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 Warning8
Tornado Warning1
Severe Thunderstorm Watch1
Tornado Watch7
Mesoscale Discussion17
Flooding
Areal Flood Warning4
Flash Flood Warning7
River Flood Warning1
Flash Flood Watch2
Areal Flood Advisory2
Wind and dust
Lake Wind Advisory1
Wind Advisory2
Fire
Red Flag Warning2

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20102012

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.