Alert archive / Illinois / Tornado Warnings in 1991
Tornado Warning 34, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Dec 8, 1991, 3:23 PM CST for McLean County, Illinois. It was in force for 37 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
- Dec 8, 1991, 3:23 PM CST (21:23 UTC)
- Expired
- Dec 8, 1991, 4:00 PM CST
- In force
- 37 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County McLean County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 8, 3:28 PM CST | Thunderstorm Wind 0 | Mclean, 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
Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.4 hours before the alert went out and 381 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
- 0 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 294 m²/s²
- 0-3 km storm-relative helicity
- 278 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 KPIA 082125 TORPIA ILC113-082200- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PEORIA IL 323 PM CST SUN DEC 8 1991 THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 400 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ILLINOIS ...SOUTHERN MCLEAN COUNTY AT 3:20 PM... A TORNADO WAS REPORTED EAST OF THE TOWN OF HEYWORTH IN EXTREME SOUTHERN MCLEAN COUNTY ON ROUTE 136. THE TORNADO WAS MOVING EAST AT 35 MPH AND WILL MOVE NEAR THE TOWNS OF LEROY AND KUMLER IN SOUTHERN MCLEAN COUNTY. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. ATTN ISP DIST 6 JACOBS
What forecasters said that day
The local office's own words before this tornado 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, Dec 8, 1:53 PM CST, 1 hour 30 minutes before
ILZ010-082100- SHORT RANGE FORECAST FOR CENTRAL AND EASTCENTRAL ILLINOIS NATIONAL WEATHER SERVICE SPRINGFIELD IL 1 52 PM CST SUN DEC 8 1991 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL ILLINOIS UNTIL 6 00 PM CST... AT 1 45 PM...A LINE OF STRONG THUNDERSTORMS WAS OVER NORTH CENTRAL AND WEST CENTRAL ILLINOIS FROM PEORIA TO 35 MILES NORTHWEST OF SPRINGFIELD NEAR HAVANA TO 20 MILES SOUTHEAST OF QUINCY. THE LINE OF STORMS WAS MOVING TO THE EAST SOUTHEAST AT 30 MPH AND WILL BE FROM BETWEEN PEORIA AND BLOOMINGTON TO THE WEST EDGE OF SPRINGFIELD TO NORTHWEST OF ST. LOUIS BY AROUND 3 PM. THESE THUNDERSTORMS MAY PRODUCE BRIEF DAMAGING WINDS...HAIL...DEADLY LIGHTNING AND A BRIEF HEAVY DOWNPOUR OF RAIN. YOU SHOULD TAKE SHELTER IN A SUBSTANTIAL BUILDING AS THESE STORMS APPROACH. DO NOT USE THE TELEPHONE OR ELECTRICAL APPLIANCES WHEN LIGHTNING IS NEAR. WAIT A FEW MINUTES UNTIL THE STORMS HAVE PASSED. PALMER
Special weather statement, Dec 8, 1:54 PM CST, 1 hour 29 minutes before
ILZ010-082100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1 52 PM CST SUN DEC 8 1991 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL ILLINOIS UNTIL 6 00 PM CST... AT 1 45 PM...A LINE OF STRONG THUNDERSTORMS WAS OVER NORTH CENTRAL AND WEST CENTRAL ILLINOIS FROM PEORIA TO 35 MILES NORTHWEST OF SPRINGFIELD NEAR HAVANA TO 20 MILES SOUTHEAST OF QUINCY. THE LINE OF STORMS WAS MOVING TO THE EAST SOUTHEAST AT 30 MPH AND WILL BE FROM BETWEEN PEORIA AND BLOOMINGTON TO THE WEST EDGE OF SPRINGFIELD TO NORTHWEST OF ST. LOUIS BY AROUND 3 PM. THESE THUNDERSTORMS MAY PRODUCE BRIEF DAMAGING WINDS...HAIL...DEADLY LIGHTNING AND A BRIEF HEAVY DOWNPOUR OF RAIN. YOU SHOULD TAKE SHELTER IN A SUBSTANTIAL BUILDING AS THESE STORMS APPROACH. DO NOT USE THE TELEPHONE OR ELECTRICAL APPLIANCES WHEN LIGHTNING IS NEAR. WAIT A FEW MINUTES UNTIL THE STORMS HAVE PASSED. PALMER
Local storm report, Dec 8, 3:16 PM CST, 7 minutes before
STORM REPORT NATIONAL WEATHER SERVICE PEORIA IL 315 PM CST SUN DEC 8 1991 STORM REPORTS FOR THIS AFTERNOON... AT 2:20 PM CST... BASEBALL SIZED HAIL AT MANITO IN NORTHEAST MASON COUNTY. AT 2:21 PM CST... 1 INCH HAIL REPORTED AT PRINCEVILLE IN NORTHERN PEORIA COUNTY. AT 2:22 PM CST... GOLFBALL SIZE HAIL 2 MILES SOUTH OF TREMONT IN TAZEWELL COUNTY. AT 2:29 PM CST... BASEBALL SIZE HAIL DAMAGING VEHICLES NEAR TREMONT IN TAZEWELL COUNTY. JACOBS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 8, 1:48 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Mason | 42 min |
| Dec 8, 2:14 PM CST | Severe Thunderstorm Warning | ILX | Cass, Menard | 46 min |
| Dec 8, 2:20 PM CST | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 40 min |
| Dec 8, 2:36 PM CST | Severe Thunderstorm Warning | ILX | Logan | 39 min |
| Dec 8, 3:23 PM CST | Severe Thunderstorm Warning | ILX | DeWitt, Logan, Macon | 67 min |
| Dec 8, 4:38 PM CST | Tornado Warning | ILX | Champaign, Piatt | 27 min |
Nearby
Tornado Warnings in Illinois, 1991Every tornado warning in 1991Tornadoes in 1991
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.