Alert archive / Illinois / Williamson County

Weather alerts in Williamson County, Illinois, 1991

1 weather alerts in 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Williamson County and its neighbors

Each county as a circle sized by its count in 1991. Tap one for its archive.

Alerts
1
Warnings
1
Watches
0
Advisories
0
Busiest month
August1 alerts
Busiest day
August 14, 19911 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
Aug 14, 4:21 PM CDTSevere Thunderstorm WarningPAH39 min

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 Warning1

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive19901992

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.