Alert archive / Illinois / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 28, NWS Chicago, IL

November 27, 1990Grundy County, Kendall County, LaSalle County, Illinois

NWS Chicago, IL issued this severe thunderstorm warning at Nov 27, 1990, 3:44 PM CST for Grundy County, Kendall County, LaSalle County, Illinois. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Nov 27, 1990, 3:44 PM CST (21:44 UTC)
Expired
Nov 27, 1990, 4:30 PM CST
In force
46 min
Issued by
NWS Chicago, IL
Area
Whole counties

Counties Grundy County, IL, Kendall County, IL, LaSalle County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Nov 27, 4:00 PM CSTThunderstorm Wind 0La Salle, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Nov 27, 1:12 PM CST, 2 hours 32 minutes before
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Special weather statement, Nov 27, 2:34 PM CST, 1 hour 10 minutes before
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Special weather statement, Nov 27, 3:09 PM CST, 35 minutes before
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Special weather statement, Nov 27, 3:21 PM CST, 23 minutes before
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Special weather statement, Nov 27, 3:29 PM CST, 15 minutes before
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Special weather statement, Nov 27, 3:36 PM CST, 8 minutes before
ILZ001-002-272230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCKFORD IL
328 PM CST TUE NOV 22 1990

...TORNADO WATCH FOR MUCH OF NORTHERN ILLINOIS UNTIL 9 PM...

AT 3 25 PM CST...RADAR WAS INDICATING THAT SHOWERS AND THUNDERSTORMS
WAS COVERING MUCH OF THE AREA. THE STRONGEST THUNDERSTORMS WERE LOCATED
ALONG A LINE FROM JUST SOUTH OF ROCHELLE TO LA SALLE ILLINOIS...OR
ABOUT 20 TO 35 MILES SOUTH OF ROCKFORD. THE STORMS WERE MOVING TO THE
NORTHEAST AT 35 MPH.

SEVERE THUNDERSTORMS AND TORNADOES COULD DEVELOP AT ANY TIME...
ESPECIALLY NEAR TO AND EAST OF A LINE FROM ROCKFORD TO DIXON.
EVERYONE IN AND CLOSE TO THE WATCH AREA SHOULD BE ON THE LOOKOUT
FOR THEATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS FROM THE NATIONAL WEATHER SERVICE.

ATTN ISP DIST: 1...2...16.
SANDERS   ...RESEND...NO CHANGES...

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 3:54 PM CSTSevere Thunderstorm WarningLOTKane51 min
Nov 27, 3:54 PM CSTSevere Thunderstorm WarningLOTLivingston51 min
Nov 27, 4:20 PM CSTSevere Thunderstorm WarningLOTCook, DuPage, Will35 min
Nov 27, 4:44 PM CSTSevere Thunderstorm WarningLOTKankakee, Will61 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.