Alert archive / Illinois / Knox County / 2011

Weather alerts in Knox County, Illinois, May 2011

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

Alerts
31
Warnings
15
Watches
5
Advisories
2
Busiest day
May 25, 20117 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
May 3, 2:55 AM CDTFrost AdvisoryILX29 hr
May 11, 1:23 PM CDTSevere Thunderstorm WatchSPC6 hr
May 11, 3:31 PM CDTSpecial Weather StatementILX59 min
May 11, 3:38 PM CDTMesoscale DiscussionSPC2 hr
May 13, 4:30 PM CDTAreal Flood AdvisoryILX2 hr
May 22, 4:41 AM CDTMesoscale DiscussionSPC2 hr
May 22, 10:53 AM CDTMesoscale DiscussionSPC2 hr
May 22, 12:51 PM CDTTornado WatchSPC10 hr
May 22, 5:24 PM CDTSevere Thunderstorm WarningILX27 min
May 22, 5:47 PM CDTMesoscale DiscussionSPC88 min
May 22, 6:07 PM CDTSevere Thunderstorm WarningILX38 min
May 22, 7:03 PM CDTSevere Thunderstorm WarningILX26 min
May 22, 7:28 PM CDTTornado WarningILX21 min
May 22, 7:42 PM CDTSevere Thunderstorm WarningILX33 min
May 24, 1:11 PM CDTMesoscale DiscussionSPC94 min
May 25, 9:29 AM CDTRiver Flood WarningILX7 days
May 25, 1:20 PM CDTFlash Flood WatchILX10 hr
May 25, 2:31 PM CDTTornado WatchSPC7 hr
May 25, 5:45 PM CDTSevere Thunderstorm WarningILX60 min
May 25, 5:48 PM CDTMesoscale DiscussionSPC117 min
May 25, 6:15 PM CDTSevere Thunderstorm WarningILX40 min
May 25, 6:19 PM CDTFlash Flood WarningILX4 hr
May 28, 2:49 PM CDTSevere Thunderstorm WarningILX31 min
May 29, 8:39 AM CDTMesoscale DiscussionSPC66 min
May 29, 8:47 AM CDTSevere Thunderstorm WarningILX28 min
May 29, 8:53 AM CDTSevere Thunderstorm WatchSPC6 hr
May 29, 10:14 AM CDTSevere Thunderstorm WarningILX61 min
May 29, 10:19 AM CDTFlash Flood WarningILX6 hr
May 29, 10:42 AM CDTSevere Thunderstorm WarningILX33 min
May 29, 11:08 AM CDTSevere Thunderstorm WarningILX52 min
May 31, 12:59 PM CDTMesoscale DiscussionSPC3 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 Warning11
Tornado Warning1
Severe Thunderstorm Watch2
Tornado Watch2
Mesoscale Discussion8
Special Weather Statement1
Flooding
Flash Flood Warning2
River Flood Warning1
Flash Flood Watch1
Areal Flood Advisory1
Cold
Frost Advisory1

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.