Alert archive / Illinois / Heavy Snow Warnings

Heavy Snow Warnings in Illinois, 2006

5 heavy snow warnings in 2006. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of heavy snow warnings reaches back to 2005.

Heavy Snow Warnings by county

Each county as a circle sized by its count in 2006. Tap one for its archive.

Heavy Snow Warnings
5
Busiest month
January2 heavy snow warnings
Busiest day
February 18, 20062 heavy snow 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.

IssuedProductOfficeCountiesLasted
Jan 20, 4:59 AM CSTHeavy Snow WarningLOTDuPage, Kane, Lake, McHenry11 hr
Jan 20, 9:50 PM CSTHeavy Snow WarningLOTDeKalb, DuPage, Grundy, Kane, Kendall, Lake and 3 more6 hr
Feb 18, 2:12 AM CSTHeavy Snow WarningPAHAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more7 hr
Feb 18, 9:17 AM CSTHeavy Snow WarningPAHAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more3 hr
Mar 20, 4:18 AM CSTHeavy Snow WarningLSXAdams, Brown32 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20052007

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.