Alert archive / Illinois / Winter Storm Watches in 2012

Winter Storm Watch 3, NWS Chicago, IL

February 22, 201212 counties in Illinois; Lake County, Porter County, Indiana

NWS Chicago, IL issued this winter storm watch at Feb 22, 2012, 8:39 PM CST for 12 counties in Illinois; Lake County, Porter County, Indiana. It took effect at Feb 23, 2012, 6:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 22, 2012, 8:39 PM CST (02:39 UTC)
In effect from
Feb 23, 2012, 6:00 PM CST
Expired
Feb 23, 2012, 11:10 AM CST
In force
Issued by
NWS Chicago, IL

Counties Boone County, IL, DeKalb County, IL, DuPage County, IL, Grundy County, IL, Kane County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL, Lake County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 42 km from the middle of the area, began a volume at 02:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 23, 3:51 AM CSTSmall Craft AdvisoryLOT66 hr
Feb 23, 6:29 AM CSTDense Fog AdvisoryLOTBoone, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more91 min
Feb 23, 11:10 AM CSTWinter Weather AdvisoryLOTBoone, DeKalb, DuPage, Kane, Kendall, Lake and 5 more25 hr

Nearby

Winter Storm Watches in Illinois, 2012Winter Storm Watches in Indiana, 2012Every winter storm watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.