Alert archive / Illinois / Cass County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Cass County, Illinois, 1999

10 severe thunderstorm warnings in 1999. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Cass County and its neighbors

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

Severe Thunderstorm Warnings
10
Busiest month
August5 severe thunderstorm warnings
Busiest day
May 12, 19992 severe thunderstorm warnings

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, 2:40 PM CSTSevere Thunderstorm WarningILX35 min
May 12, 2:24 PM CDTSevere Thunderstorm WarningILX36 min
May 12, 3:00 PM CDTSevere Thunderstorm WarningILX30 min
May 17, 2:12 AM CDTSevere Thunderstorm WarningILX48 min
Jun 11, 2:00 PM CDTSevere Thunderstorm WarningILX60 min
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, 6:59 PM CDTSevere Thunderstorm WarningILX46 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 12, 19992severe thunderstorm warnings
  2. August 13, 19992severe thunderstorm warnings
  3. August 19, 19992severe thunderstorm warnings
  4. February 11, 19991severe thunderstorm warnings
  5. May 17, 19991severe thunderstorm warnings
  6. June 11, 19991severe thunderstorm warnings
  7. August 23, 19991severe thunderstorm warnings

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. Warning verification from the Mesonet's Cow. Rebuilt daily.