Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 9, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 10, 1992, 8:50 PM CDT for Lee County, Illinois. It was in force for 40 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
- Apr 10, 1992, 8:50 PM CDT (01:50 UTC)
- Expired
- Apr 10, 1992, 9:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Lee County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 10, 9:10 PM CDT | Hail 0.75 | Lee, 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.8 hours before the alert went out and 319 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 460 m²/s²
- 0-3 km storm-relative helicity
- 848 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KRFD 110150
SVRRFD
ILC103-110230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
850 PM CDT FRI APR 10 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTH CENTRAL PART OF ILLINOIS
LEE
THIS EVENING AT 847 CDT SEVERE THUNDERSTORMS WERE JUST BEGINNING
TO ENTER THE FAR NORTHWEST CORNER OF LEE COUNTY. THESE STORMS
WILL PRODUCE WINDS IN EXCESS OF 60 MPH AND LARGE HAIL.
SOME COMMUNITIES THAT WILL BE AFFECTED BY THIS SEVERE THUNDERSTORM...
DIXON...FRANKLIN GROVE...AND PALMYRA.
IF YOU ARE IN AN AREA THREATENED BY THE STORM...GO TO A REINFORECED
SHELTER! DAMAGING WINDS...LARGE HAIL...DANGEROUS LIGHTNING...AND
HEAVY RAINFALL THAT CAN QUICKLY FLOOD A LOW LYING AREA IS IMMINENT.
REMEMBER ALSO...SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES
WITH LITTLE OR NO WARNING...SO BE ALERT!
}
ATTN: ISP DIST 1..2..16 FIELDSWhat 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
Special weather statement, Apr 10, 5:59 PM CDT, 2 hours 51 minutes before
ILZ009-010-110015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 600 PM CDT FRI APR 10 1992 ...TORNADO WATCH NUMBER 117 IS IN EFFECT UNTIL 10 PM CDT... THERE IS NO PRECIPITATION OVER CENTRAL OR EAST CENTRAL ILLINOIS. SHOWERS AND THUNDERSTORMS CONTINUED OVER EASTERN IOWA...AND WERE THE CLOSEST THUNDERSTORMS TO CENTRAL ILLINOIS. AN UNSTABLE AIRMASS OVER CENTRAL ILLINOIS THIS EVENING WILL ALLOW SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP LATER THIS EVENING... SOME COULD BE SEVERE. TORNADOES...LARGE HAIL...DAMAGING WIND AND DANGEROUS LIGHTNING ARE POSSIBLE. DB
Special weather statement, Apr 10, 6:45 PM CDT, 2 hours 5 minutes before
ILZ005>007-009-110100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 645 PM CDT FRI APR 10 1992 ...TORNADO WATCH IN EFFECT UNTIL 10 PM THIS EVENING FOR ALL OF WEST CENTRAL ILLINOIS... NATIONAL WEATHER SERVICE RADAR INDICATED NO THUNDERSTORMS IN WESTERN OR CENTRAL ILLINOIS AS OF 640 PM CDT. SEVERE THUNDERSTORMS PRODUCING LARGE HAIL AND DAMAGING WINDS HAVE BEEN OCCURRING IN CENTRAL IOWA EARLY THIS EVENING. THE STORMS IN IOWA WERE MOVING EAST AROUND 35 MPH. UNLESS NEW THUNDERSTORMS DEVELOP IN WEST CENTRAL ILLINOIS THIS EVENING...NO STORMS ARE EXPECTED IN OUR REGION UNTIL 900 OR 1000 PM. STAY TUNED TO TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. MILLER
Special weather statement, Apr 10, 7:01 PM CDT, 1 hour 49 minutes before
ILZ009-010-110015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 700 PM CDT FRI APR 10 1992 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT FOR CENTRAL AND EAST CENTRAL ILLINOIS... AT 7 PM...NO PRECIPITATION WAS OVER CENTRAL OR EAST CENTRAL ILLINOIS. SHOWERS AND THUNDERSTORMS CONTINUED OVER EASTERN IOWA...FROM NEAR DUBUQUE TO OTTUMWA. THESE WERE THE CLOSEST THUNDERSTORMS TO CENTRAL ILLINOIS. SCATTERED SHOWERS AEND THUNDERSTORMS COULD DEVELOP LATER THIS EVENING ACROSS CENTRAL AND EAST CENTRAL ILLINOIS. PLEASE LISTEN FOR LATER STATEMENTS FOR UPDATES. DB
Special weather statement, Apr 10, 7:42 PM CDT, 1 hour 8 minutes before
ILZ005>007-009-110200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 740 PM CDT FRI APR 10 1992 ...TORNADO WATCH IN EFFECT UNTIL 10 PM THIS EVENING FOR ALL OF WEST CENTRAL ILLINOIS... NATIONAL WEATHER SERVICE RADAR INDICATED NO THUNDERSTORMS IN WESTERN OR CENTRAL ILLINOIS AS OF 730 PM CDT. SEVERE THUNDERSTORMS PRODUCING LARGE HAIL... DAMAGING WINDS AND VERY HEAVY RAINS EXTENDED FROM THE NORTHWEST CORNER OF ILLINOIS NEAR GALENA TO 30 MILES WEST OF MOLINE TO OTTUMWA IOWA SOUTHWEST INTO NORTH CENTRAL MISSOURI. THESE STORMS WERE MOVING EAST AT 35 MPH. THE STORMS SHOULD BE IN THE BURLINGTON AREA BETWEEN 9 AND 10 PM. STAY TUNED TO TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR PTHE LATEST STATEMENTS AND POSSIBLE WARNINGS. MOGGED
Special weather statement, Apr 10, 7:58 PM CDT, 52 minutes before
ILZ009-010-110215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 800 PM CDT FRI APR 10 1992 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT FOR CENTRAL AND EAST CENTRAL ILLINOIS... AT 8 PM...NO PRECIPITATION WAS OVER CENTRAL OR EAST CENTRAL ILLINOIS. SHOWERS AND THUNDERSTORMS CONTINUED OVER EXTREME NORTHWEST ILLINOIS TO NEAR MOLINE SOUTHWEST TO NORTH CENTRAL MISSOURI. THE THUNDERSTORMS WERE MOVING EAST AROUND 35 MPH.( SCATTERED SHOWERS AND THUNDERSTORMS COULD DEVELOP LATER THIS EVENING ACROSS CENTRAL AND EAST CENTRAL ILLINOIS...SOME POSSIBLY SEVERE. PLEASE LISTEN FOR LATER STATEMENTS FOR UPDATES. DB
Special weather statement, Apr 10, 8:46 PM CDT, 4 minutes before
ILZ005>007-009-110245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 845 PM CDT FRI APR 10 1992 ...TORNADO WATCH IN EFFECT UNTIL 10PM FOR ALL WEST CENTRAL ILLINOIS... NATIONAL WEATHER SERVICE RADAR AT 8:40 PM INDICATED NO THUNDERSTORM ACTIVITY IN THE WEST-CENTRAL ILLINOIS AREA. BUT... RADAR DOES SHOW AN AREA OF VERY STRONG TO SEVERE THUNDERSTORMS APPROACHING THE MISSISSIPPI RIVER WEST OF BURLINGTON IOWA. THESE THUNDERSTORMS HAVE BEEN MOVING TO THE EAST AT 35 MPH. THESE THUNDERSTORMS... AND OTHERS IN SOUTHERN IOWA... SHOULD MOVE INTO HENDERSON COUNTY OF WESTERN ILLINOIS BETWEEN 9:00 AND 9:30 PM. THESE THUNDERSTORMS HAVE BEEN PRODUCING A LOT OF SEVERE WEATHER IN IOWA ANgD THE POTENTIAL HAS NOT DIMINISHED. AT PRESENT MOVEMENT... THE WEATHER SHOULD REACH A GALESBURG-MACOMB LINE BY ABOUT 10PM AND SHOULD BE APPROACHING PEORIA FROM THE WEST AT ABOUT 11PM. JACOBS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:57 PM CDT | Severe Thunderstorm Warning | ILX | Carroll, Stephenson | 48 min |
| Apr 10, 8:15 PM CDT | Tornado Warning | ILX | Carroll, Ogle | 30 min |
| Apr 10, 8:43 PM CDT | Severe Thunderstorm Warning | ILX | Ogle, Winnebago | 47 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1992Every severe thunderstorm warning in 1992
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; the sounding from the Mesonet's radiosonde archive.