Alert archive / Illinois / Tornado Warnings in 1991
Tornado Warning 33, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Oct 24, 1991, 6:12 PM CDT for Carroll County, Stephenson County, Illinois. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Oct 24, 1991, 6:12 PM CDT (23:12 UTC)
- Expired
- Oct 24, 1991, 6:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Carroll County, IL, Stephenson County, IL
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.2 hours before the alert went out and 287 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
- 389 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 678 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 139 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 242328 COR
TORRFD
BULLETIN-EBS ACTIVATION REQUESTED
TORNADO WARNING CORRECTED...POSITION CORRECTED...
NATIONAL WEATHER SERVICE ROCKFORD, IL
627 PM CDT THU OCT 24 1991
ILC177-015-242345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
612 PM CDT THU OCT 24 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF ILLINOIS
SOUTHERN STEPHENSON...
IN THE NORTHWEST PART OF ILLINOIS
EASTERN CARROLL...
AT 605 PM CDT...STATE PLOICE REPORTED A FUNNEL CLOUD NEAR CHADWICK
...AND THE LANARK FIRE DEPARTMENT REPORTED A FUNNEL CLOUD NEAR
LANARK...IN EASTERN CARROLL COUNTY.
THE STORM ASSOCIATED WIOTH THIS FUNNEL CLOUD WAAS MVING TO THE NORT
HEAST AROUND 40 MPH.
SOME COMMUNITIES THAT WILL BE AFFECTED BY THIS TORNADO...
FLORENCE...SHANNON...AND GERMAN VALLEY
PERSONS IN THE PATH OF THIS DANGEROUS STORM TAKE COVER IMMEDIATELY
IN A BASEMENT OR SMALL CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR.
ABANDON CARS... FARM MACHINERY AND MOBILE HOMES FOR REINFORCED
BUILDING. IF OUT-OF-DOORS GO TO A REINFORCED SHELTER OR DITCH...
CULVERT OR RAVINE. THIS IS A SERIOUS SITUATION... YOUR LIFE MAY
DEPEND ON HOW QUICKLY YOU RESPOND TO THIS TORNADO WARNING!
ATTN: ISP DIST 1..2 PETROVICHWhat 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, Oct 24, 5:52 PM CDT, 20 minutes before
ILZ009-010-242355- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 545 PM CDT THU OCT 24 1991 ...THUNDERSTORMS OVER CENTRAL ILLINOIS... AT 545 PM CDT...A BAND OF THUNDERSTORMS WAS WEST OF A LINE FROM 25 MILES EAST OF SPRINGFIELD NEAR ILLIOPOLIS TO VANDALIA. THESE STORMS T PRODUCED WIND GUSTS TO 46 MPH AND HEAVY RAIN AS THEY PASSED THROUGH THE SPRINGFIELD AREA AT 537 PM. OTHER STORMS WERE IN AN AREA NORTH OF A LINE FROM SPRINGFIELD TO RANTOUL. THE STORMS WERE ALL MOVING NORTHEAST AT 35 MPH. PERSONS SHOULD BE ON THE LOOKOUT FOR HEAVY RAIN...DANGEROUS LIGHTNING ...SMALL HAIL AND WIND GUSTS TO NEAR 50 MPH AS THE STRONGER STORMS MOVE THROUGH CENTRAL ILLINOIS...AFFECTINGe DECATUR...TAYLORVILLE...NOKOMIS AND PANA THROUGH 7 PM. DB
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; the sounding from the Mesonet's radiosonde archive.