Alert archive / Illinois / Tornado Warnings in 1991

Tornado Warning 2, NWS Lincoln, IL

March 22, 1991Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at Mar 22, 1991, 11:33 PM CST for Vermilion County, Illinois. It was in force for 32 min.

The area

The counties it named.

The facts

Issued: Mar 22, 1991, 11:33 PM CST (05:33 UTC)
Expired: Mar 23, 1991, 12:05 AM CST
In force: 32 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County Vermilion County, IL

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 5.6 hours before the alert went out and 302 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1163 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSPI 230534 COR
TORSPI
ILC183-230615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTION...
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1133 PM CST FRI MAR 22 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1215 AM CST FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE EAST CENTRAL PART OF ILLINOIS
      SOUTHERN VERMILION

AT 1123 PM CST ILLINOIS STATE PATROL DISTRICT 10 REPORTED A TORNADO
ON THE GROUND NEAR TILTON ILLINOIS.  MOVEMENT OF THE STORM WAS NOT
DETERMINED.

IF YOU ARE IN THE PATH OF A TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A -REINFORCED BUILDING.
THIS IS A DANGEROUS STORM.  TAKE COVER IMMEDIATELY.

 ATTN ISP DIST...10
 MUNDY

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, Mar 22, 9:07 PM CST, 2 hours 26 minutes before

ILZ009-010-230415-

SHORT TERM WEATHER FOR CENTRAL AND EASTCENTRAL ILLINOIS
NATIONAL WEATHER SERVICE SPRINGFIELD IL
905 PM CST FRI MAR 22 1991

A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM 30 MILES NORTHEAST OF
SPRINGFIELD TO 15 MILES SOUTHEAST OF SPRINGFIELD.  THE STORMS WERE
MOVING TO THE NORTHEAST AT 45 TO 50 MPH AND WILL MOVE INTO NORTHERN
LOGAN AND NORTHWESTERN DEWITT COUNTIES IN THE NEXT HALF HOUR.

STRONG WINDS...HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING MAY
ACCOMPANY  THESE STORMS.

SKIES WILL REMAIN PARTLY TO MOSTLY CLOUDY OVER THE ENTIRE AREA THE REST
OF THIS EVENING WITH TEMPERATURES HOLDING STEADY IN THE LOW 60S.  THERE
REMAINS A CHANCE FOR MORE SHOWERS AND THUNDERSTORMS TO DEVELOP AND MOVE
INTO THE AREA BEFORE MIDNIGHT AND SOME THUNDERSTORMS MAY BE SEVERE.

BE ALERT TO THE CHANGING WEATHER CONDITIONS AND LISTEN FOR FURTHER
UPDATES.

MUNDY

Special weather statement, Mar 22, 9:24 PM CST, 2 hours 9 minutes before

ILZ005>007-009-230430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
925 PM CST FRI MAR 22 1991

...SEVERE THUNDERSTORM WARNING EXPIRES AT 930 PM FOR KNOX COUNTY...

AT 9:22 PM CST... RADAR INDICATED THUNDERSTORMS FROM NORTHERN KNOX
COUNTY NORTHWARD TO EAST OF MOLINE.  HEAVY RAIN AND SMALL HAIL WAS
REPORTED IN KNOX COUNTY WITH THIS STORM.

ELSEWHERE AT 9:22PM... ANOTHER LINE OF THUNDERSTORMS EXTENDED FROM
NEAR SPRINGFIELD TO JUST SOUTH OF BLOOMINGTON IN MCLEAN COUNTY.

THESE THUNDERSTORMS HAVE BEEN MOVING NORTHEAST AT 40 MPH AND SHOULD
MOVE UP ACROSS BLOOMINGTON AND LEXINGTON IN MC LEAN COUNTY DURING THE
NEXT HOUR.  THESE COULD BE HAIL AND STRONG WINDS IN THESE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM FOR MUCH OF CENTRAL
ILLINOIS.
.
JACOBS

Special weather statement, Mar 22, 9:46 PM CST, 1 hour 47 minutes before

ILZ009-010-230430-

SHORT TERM WEATHER FOR CENTRAL AND EASTCENTRAL ILLINOIS
NATIONAL WEATHER SERVICE SPRINGFIELD IL
945 PM CST FRI MAR 22 1991

A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM 65 MILES NORTHEAST OF
SPRINGFIELD TO 30 MILES EAST OF SPRINGFIELD.  THE STORMS WERE MOVING TO
THE NORTHEAST AT 45 TO 50 MPH AND WILL MOVE INTO MACON AND EASTERN
DEWITT COUNTIES IN THE NEXT HALF HOUR.

ALSO ANOTHER LINE OF VERY STRONG THUNDERSTORMS HAD DEVELOPED AND
EXTENDED FROM 20 MILES SOUTHWEST OF CHAMPAIGN TO JUST NORTH OF VANDALIA
ILLINOIS.  THESE STORMS WERE ALSO MOVING TO THE NORTHEAST AT 45 TO 50
MPH AND WILL MOVE INTO THE FOLLOWING COUNTIES IN THE NEXT HOUR...PIATT
...DOUGLAS AND CHAMPAIGN.

STRONG WINDS...HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING MAY
ACCOMPANY THESE STORMS.

BE ALERT TO THE RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR
FURTHER UPDATES.

MUNDY

Special weather statement, Mar 22, 10:20 PM CST, 1 hour 13 minutes before

ILZ005>007-009-230510-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1020 PM CST FRI MAR 22 1991

...TORNADO WARNING FOR BUREAU AND STARK COUNTIES CANCELLED...
...SEVERE THUNDERSTORM WARNING FOR MCLEAN COUNTY CANCELLED...

AT 9:15 PM CST... RADAR INDICATED THAT THE THUNDERSTORMS WHICH CAUSED
FUNNEL CLOUDS IN STARK COUNTY HAD WEAKENED AND MOVED NORTHEAST TO NORTH
OF BRADFORD.  NO ADDITIONAL REPORTS WERE RECEIVED.

THE SEVERE THUNDERSTORMS OVER MCLEAN COUNTY HAVE ALSO WEAKENED AND
WERE LOCATED OVER THE EAST PART OF THE COUNTY FROM ANCHOR TO SABINA.
NO ADDITIONAL REPORTS WERE RECEIOVED FROM MCLEAN COUNTY.

SEVERE THUNDERSTORM WATCH NUMBER 60 REMAINS IN EFFECT UNTIL 2AM FOR
MUCH OF NORTH-CENTRAL ILLINOIS.

JACOBS

Special weather statement, Mar 22, 10:21 PM CST, 1 hour 12 minutes before

ILZ009-010-230530-

SPECIAL WEATHER STATEMENT FOR EAST CENTRAL ILLINOIS
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1020 PM CST FRI MAR 22 1991

A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM CHAMPAIGN TO 60 MILES
SOUTH SOUTHEAST OF CHAMPAIGN.  THE INDIVIDUAL STORMS WERE MOVING TO
THE NORTHEAST AT 45 TO 50 MPH WHILE THE AREA WAS MOVING TO THE EAST AT
20 TO 25 MPH.  THE STORMS WILL MOVE INTO THE FOLLOWING COUNTIES IN THE
NEXT HOUR...CUMBERLAND...COLES...EASTERN DOUGLAS...NORTHERN CHAMPAIGN
AS WELL AS VERMILION...EDGAR AND CLARK.

A FEW SCATTERED SHOWERS REMAINED IN EASTERN DEWITT AND WILL MOVE OUT
BY 11 PM.

STRONG WINDS...HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING MAY
ACCOMPANY THESE STORMS.

BE ALERT TO THE RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR
WEATHER UPDATES.

MUNDY

Special weather statement, Mar 22, 10:47 PM CST, 46 minutes before

ILZ005>007-009-230550-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1050 PM CST FRI MAR 22 1991

...SEVERE THUNDERSTORM WATCH FOR WEST CENTRAL ILLINOIS HAS BEEN CANCELLED...

THE SEVERE THUNDERSTORM THREAT HAS ENDED AS DRIER AIR FILTERS INTO THE
HEART OF ILLINOIS. A FEW SHOWERS REMAIN IN EASTERN MCLEAN COUNTY BUT ARE
EXITING THE AREA VERY QUICKLY.

MOGGED

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 8:30 PM CST	Severe Thunderstorm Warning	ILX	Knox, Warren	25 min
Mar 22, 9:47 PM CST	Severe Thunderstorm Warning	ILX	McLean	33 min
Mar 22, 9:49 PM CST	Tornado Warning	ILX	Bureau, Stark	31 min

Nearby

Tornado Warnings in Illinois, 1991 Every tornado warning in 1991 Tornadoes 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.