Alert archive / Illinois / 1999

Weather alerts in Illinois, July 1999

51 weather alerts in July 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in July 1999. Tap one for its archive.

Alerts
51
Warnings
47
Watches
4
Advisories
0
Busiest day
July 28, 199915 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.

IssuedProductOfficeCountiesLasted
Jul 1, 1:39 AM CDTTornado WarningILXLogan, Mason36 min
Jul 1, 12:33 PM CDTFlash Flood WarningPAHWhite117 min
Jul 1, 2:33 PM CDTFlash Flood WarningPAHEdwards, Wayne5 hr
Jul 1, 2:33 PM CDTFlash Flood WarningPAHWabash5 hr
Jul 1, 3:26 PM CDTFlash Flood WarningILXRichland3 hr
Jul 1, 4:06 PM CDTFlash Flood WarningILXClay2 hr
Jul 1, 4:11 PM CDTFlash Flood WarningILXLawrence2 hr
Jul 9, 3:42 PM CDTSevere Thunderstorm WarningLSXJersey33 min
Jul 9, 4:18 PM CDTTornado WarningILXCumberland42 min
Jul 9, 4:24 PM CDTSevere Thunderstorm WarningILXEffingham, Shelby51 min
Jul 9, 5:18 PM CDTSevere Thunderstorm WarningILXCrawford42 min
Jul 9, 6:56 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair54 min
Jul 9, 6:57 PM CDTFlash Flood WarningPAHWayne3 hr
Jul 9, 7:51 PM CDTSevere Thunderstorm WarningLSXMonroe, Saint Clair49 min
Jul 9, 8:16 PM CDTFlash Flood WarningLSXWashington3 hr
Jul 9, 8:46 PM CDTSevere Thunderstorm WarningPAHFranklin44 min
Jul 20, 4:45 PM CDTSevere Thunderstorm WatchSPCCarroll, Henry, Jo Daviess, Mercer, Rock Island, Stark and 2 more5 hr
Jul 20, 6:12 PM CDTSevere Thunderstorm WarningLOTKane33 min
Jul 21, 6:25 PM CDTSevere Thunderstorm WarningLOTDeKalb, Kane50 min
Jul 23, 3:00 PM CDTSevere Thunderstorm WatchSPCBoone, Carroll, Cook, DeKalb, Kane, Lake and 4 more6 hr
Jul 23, 4:00 PM CDTSevere Thunderstorm WarningILXLawrence, Richland45 min
Jul 23, 5:06 PM CDTSevere Thunderstorm WarningDVNHancock49 min
Jul 23, 5:08 PM CDTSevere Thunderstorm WarningLOTBoone, McHenry52 min
Jul 23, 5:26 PM CDTSevere Thunderstorm WarningLOTDeKalb, Kane49 min
Jul 23, 5:33 PM CDTSevere Thunderstorm WarningDVNHenry37 min
Jul 23, 6:00 PM CDTSevere Thunderstorm WatchSPCBureau, Champaign, DeWitt, Ford, Fulton, Grundy and 20 more5 hr
Jul 23, 6:55 PM CDTSevere Thunderstorm WarningDVNMercer, Rock Island50 min
Jul 23, 7:26 PM CDTSevere Thunderstorm WarningILXKnox, Peoria34 min
Jul 23, 7:32 PM CDTSevere Thunderstorm WarningDVNRock Island48 min
Jul 23, 7:36 PM CDTSevere Thunderstorm WarningILXFulton, Mason39 min
Jul 23, 7:52 PM CDTSevere Thunderstorm WarningDVNHenry, Whiteside48 min
Jul 23, 11:33 PM CDTSevere Thunderstorm WarningILXClay, Effingham42 min
Jul 26, 8:31 PM CDTSevere Thunderstorm WarningDVNHancock44 min
Jul 26, 8:59 PM CDTSevere Thunderstorm WarningDVNMcDonough31 min
Jul 26, 9:06 PM CDTSevere Thunderstorm WarningILXSchuyler39 min
Jul 26, 9:46 PM CDTSevere Thunderstorm WarningILXFulton, Schuyler59 min
Jul 27, 10:45 PM CDTSevere Thunderstorm WatchSPCMercer, Rock Island5 hr
Jul 27, 11:55 PM CDTSevere Thunderstorm WarningDVNMercer, Rock Island45 min
Jul 28, 12:37 AM CDTSevere Thunderstorm WarningILXKnox, Stark53 min
Jul 28, 1:10 AM CDTTornado WarningILXStark20 min
Jul 28, 1:12 AM CDTSevere Thunderstorm WarningILXPeoria48 min
Jul 28, 1:31 AM CDTSevere Thunderstorm WarningILXMarshall, Stark59 min
Jul 28, 2:00 AM CDTSevere Thunderstorm WarningILXPeoria30 min
Jul 28, 2:01 AM CDTSevere Thunderstorm WarningILXFulton, Tazewell59 min
Jul 28, 2:42 AM CDTSevere Thunderstorm WarningILXLogan48 min
Jul 28, 2:46 AM CDTSevere Thunderstorm WarningILXMcLean59 min
Jul 28, 3:11 AM CDTSevere Thunderstorm WarningILXDeWitt49 min
Jul 28, 4:50 AM CDTSevere Thunderstorm WarningDVNHancock50 min
Jul 28, 5:55 AM CDTSevere Thunderstorm WarningILXFulton, Schuyler50 min
Jul 28, 6:41 AM CDTSevere Thunderstorm WarningILXMcLean49 min
Jul 28, 11:54 AM CDTSevere Thunderstorm WarningLSXRandolph36 min

By product

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

By county

Every county with at least one alert. A county page lists each alert that covered it.

20 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive19982000

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.