Alert archive / Illinois / 1987

Weather alerts in Illinois, August 1987

45 weather alerts in August 1987, 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 August 1987. Tap one for its archive.

Alerts
45
Warnings
45
Watches
0
Advisories
0
Busiest day
August 3, 198711 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
Aug 3, 2:59 PM CDTSevere Thunderstorm WarningDVNRock Island, Whiteside16 min
Aug 3, 3:52 PM CDTSevere Thunderstorm WarningILXKnox, Stark68 min
Aug 3, 4:27 PM CDTSevere Thunderstorm WarningILXBoone, Winnebago48 min
Aug 3, 5:02 PM CDTSevere Thunderstorm WarningILXPeoria58 min
Aug 3, 5:15 PM CDTSevere Thunderstorm WarningPAHHardin45 min
Aug 3, 5:19 PM CDTSevere Thunderstorm WarningILXTazewell, Woodford56 min
Aug 3, 5:19 PM CDTSevere Thunderstorm WarningILXMarshall, Putnam56 min
Aug 3, 5:42 PM CDTSevere Thunderstorm WarningILXHenderson, McDonough, Warren48 min
Aug 3, 5:42 PM CDTSevere Thunderstorm WarningILXHancock48 min
Aug 3, 6:35 PM CDTSevere Thunderstorm WarningILXMcDonough55 min
Aug 3, 6:55 PM CDTSevere Thunderstorm WarningILXMason, Tazewell65 min
Aug 3, 9:45 PM CDTSevere Thunderstorm WarningLSXFayette60 min
Aug 8, 4:28 PM CDTTornado WarningDVNMercer, Rock Island62 min
Aug 8, 8:04 PM CDTTornado WarningILXChristian, Sangamon26 min
Aug 8, 8:51 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon69 min
Aug 8, 9:30 PM CDTSevere Thunderstorm WarningLSXSaint Clair60 min
Aug 14, 5:45 AM CDTFlash Flood WarningLOTCook, DuPage2 hr
Aug 14, 7:25 AM CDTFlash Flood WarningLOTCook, DuPage3 hr
Aug 14, 9:26 AM CDTFlash Flood WarningLOTCook, DuPage5 hr
Aug 14, 1:36 PM CDTFlash Flood WarningLOTCook, DuPage6 hr
Aug 16, 5:17 PM CDTSevere Thunderstorm WarningDVNJo Daviess43 min
Aug 16, 6:12 PM CDTSevere Thunderstorm WarningDVNWhiteside33 min
Aug 16, 6:15 PM CDTSevere Thunderstorm WarningILXStephenson, Winnebago45 min
Aug 16, 6:38 PM CDTSevere Thunderstorm WarningILXCarroll52 min
Aug 16, 6:48 PM CDTSevere Thunderstorm WarningDVNRock Island42 min
Aug 16, 7:02 PM CDTSevere Thunderstorm WarningDVNHenry, Whiteside28 min
Aug 16, 7:11 PM CDTSevere Thunderstorm WarningLSXAdams49 min
Aug 16, 7:48 PM CDTSevere Thunderstorm WarningLSXBrown, Pike42 min
Aug 16, 8:34 PM CDTSevere Thunderstorm WarningLOTKane56 min
Aug 16, 9:17 PM CDTSevere Thunderstorm WarningILXLogan, Menard, Sangamon58 min
Aug 16, 9:36 PM CDTSevere Thunderstorm WarningLOTCook, Will54 min
Aug 16, 10:06 PM CDTSevere Thunderstorm WarningILXDeWitt, Macon69 min
Aug 16, 10:31 PM CDTSevere Thunderstorm WarningILXMenard, Sangamon59 min
Aug 16, 10:40 PM CDTSevere Thunderstorm WarningILXChampaign, Piatt65 min
Aug 20, 8:18 PM CDTSevere Thunderstorm WarningLSXAdams27 min
Aug 21, 1:49 AM CDTSevere Thunderstorm WarningDVNRock Island26 min
Aug 21, 2:18 AM CDTSevere Thunderstorm WarningDVNHenry, Mercer, Rock Island42 min
Aug 21, 3:31 AM CDTSevere Thunderstorm WarningDVNRock Island29 min
Aug 21, 4:01 AM CDTSevere Thunderstorm WarningDVNRock Island59 min
Aug 21, 4:01 AM CDTSevere Thunderstorm WarningDVNMercer59 min
Aug 21, 4:57 AM CDTSevere Thunderstorm WarningDVNHenry33 min
Aug 21, 5:28 AM CDTSevere Thunderstorm WarningDVNRock Island47 min
Aug 21, 5:34 AM CDTSevere Thunderstorm WarningILXBureau, Knox, Stark26 min
Aug 21, 5:53 AM CDTFlash Flood WarningDVNRock Island3 hr
Aug 21, 6:24 AM CDTTornado WarningILXWoodford31 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.

Nearby

Alerts in force nowTornadoes on recordThe radar archive19861988

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.