Alert archive / Illinois / Cass County

Weather alerts in Cass County, Illinois, 1999

25 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cass County and its neighbors

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

Alerts
25
Warnings
12
Watches
13
Advisories
0
Busiest month
August8 alerts
Busiest day
June 4, 19993 alerts

Over time

By month

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
Feb 11, 11:15 AM CSTSevere Thunderstorm WatchSPC7 hr
Feb 11, 2:40 PM CSTSevere Thunderstorm WarningILX35 min
Apr 5, 4:00 PM CDTTornado WatchSPC6 hr
Apr 8, 5:15 PM CDTTornado WatchSPC4 hr
Apr 8, 8:00 PM CDTTornado WatchSPC5 hr
Apr 22, 6:30 PM CDTSevere Thunderstorm WatchSPC6 hr
May 12, 2:24 PM CDTSevere Thunderstorm WarningILX36 min
May 12, 3:00 PM CDTSevere Thunderstorm WarningILX30 min
May 16, 11:45 PM CDTSevere Thunderstorm WatchSPC5 hr
May 17, 2:12 AM CDTSevere Thunderstorm WarningILX48 min
Jun 1, 4:00 PM CDTTornado WatchSPC6 hr
Jun 1, 6:02 PM CDTTornado WarningILX58 min
Jun 4, 2:30 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 4, 4:30 PM CDTTornado WarningILX60 min
Jun 4, 6:15 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 10, 3:45 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 11, 2:00 PM CDTSevere Thunderstorm WarningILX60 min
Aug 12, 6:45 PM CDTTornado WatchSPC5 hr
Aug 12, 7:20 PM CDTSevere Thunderstorm WarningILX70 min
Aug 12, 8:24 PM CDTSevere Thunderstorm WarningILX66 min
Aug 18, 10:42 PM CDTSevere Thunderstorm WarningILX48 min
Aug 18, 11:25 PM CDTSevere Thunderstorm WarningILX50 min
Aug 23, 2:00 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 23, 6:00 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 23, 6:59 PM CDTSevere Thunderstorm WarningILX46 min

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.