Alert archive / Illinois / Tornado Warnings in 1991
Tornado Warning 4, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Mar 27, 1991, 2:30 PM CST for Lee County, Ogle County, Illinois. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Mar 27, 1991, 2:30 PM CST (20:30 UTC)
- Expired
- Mar 27, 1991, 3:00 PM CST
- In force
- 30 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Lee County, IL, Ogle County, IL
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.5 hours before the alert went out and 304 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
- 1516 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- -11 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 272030
TORRFD
ILC201-007-141-103-272100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
230 PM CST WED MAR 27 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 300 PM CST FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF ILLINOIS
EXTREME SOUTHEAST WINNEBAGO...BOONE...EASTERN OGLE...
NORTHERN LEE
TORNADO WARNINGS ARE BEING EXTENDED FOR THE ABOVE COUNTIES. RADAR
AND SPOTTERS INDICATED POSSIBLE TORNADOS FORMING OVER THESE
COUNTIES. A SHERIFF FROM OGLE COUNTY CONFIRMED A TORNADO
TOUCHDOWN IN MT. MORRIS...ABOUT 25 MILES SOUTHWEST OF ROCKFORD.
SOME COMMUNITIES THAT WILL BE AFFECTED BY THIS TORNADO...
BELVIDERE...BYRON...DIXON AND ROCHELLE.
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..16 FIELDSWhat 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
Local storm report, Mar 27, 8:55 AM CST, 5 hours 35 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEORIA IL
835 AM CST WED MAR 27 1991
ADDITIONAL STORM REPORTS
4:50 AM CST... DAMAGING WIND 40 TO 50 MPH AT PLYMOUTH AND NAUVOO IN
HANCOCK COUNTY.
5:00 AM CST... TORNADO. DAMAGING WIND. 4 MILES EAST OF BENTLEY IN
HANCOCK COUNTY. RESIDENCE DESTROYED. DAMAGE TO OUT
BUILDINGS. POWER LINES DOWN. TWISTED METAL.
5:15 AM CST... DAMAGING WIND 50 TO 55 MPH AT MACOMB IN MCDONOUGH COUNTY.
DAMAGE TO LUMBER YARD. OTHER SCATTERED DAMAGE IN MACOMB.
5:35 AM CST... DAMAGING WIND NEAR LONDON MILLS IN FULTON COUNTY. TREE
LIMB FELL ON POWER LINE.
6:00 AM CST... STRONG WIND AT PEORIA WEATHER OFFICE. 35 MPH ASSOCIATED
WITH GUST FRONT.
6:20 AM CST... TORNADO. DAMAGING WIND. BRIEF TOUCHDOWN AT
ALLENTOWN IN TAZEWELL COUNTY. DAMAGE TO A FARM. POWER
LINES ACROSS ALLENTON BLACKTOP OR 6 MI%LES EAST OF
ROUTE 121.
STUMETZLocal storm report, Mar 27, 8:58 AM CST, 5 hours 32 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEORIA IL
835 AM CST WED MAR 27 1991
ADDITIONAL STORM REPORTS
4:50 AM CST... DAMAGING WIND 40 TO 50 MPH AT PLYMOUTH AND NAUVOO IN
HANCOCK COUNTY.
5:00 AM CST... TORNADO. DAMAGING WIND. 4 MILES EAST OF BENTLEY IN HANCOCK
COUNTY. RESIDENCE DESTROYED WITH DAMAGE TO OUT BUILDINGS.
POWER LINES DOWN. TWISTED METAL. REPORTED TO NWS AT 6:10 AM.
5:15 AM CST... DAMAGING WIND 50 TO 55 MPH AT MACOMB IN MCDONOUGH COUNTY.
DAMAGE TO LUMBER YARD. OTHER SCATTERED DAMAGE IN MACOMB.
5:35 AM CST... DAMAGING WIND NEAR LONDON MILLS IN FULTON COUNTY. TREE
LIMB FELL ON POWER LINE.
6:00 AM CST... STRONG WIND AT PEORIA WEATHER OFFICE. 35 MPH ASSOCIATED
WITH GUST FRONT.
6:20 AM CST... TORNADO. DAMAGING WIND. BRIEF TOUCHDOWN AT
ALLENTOWN IN TAZEWELL COUNTY. DAMAGE TO A FARM. POWER
LI)NES ACROSS ALLENTOWN BLACKTOP OR 6 MILES EAST OF
ROUTE 121.
STUMETZ
/CORRECTION TO 5:00 AM REPORT AT BENTLEY/Special weather statement, Mar 27, 9:54 AM CST, 4 hours 36 minutes before
ILZ005>007-009-271830- WEATHER UPDATE FOR PEORIA AND WEST CENTRAL ILLINOIS NATIONAL WEATHER SERVICE PEORIA IL 945 AM CST WED MAR 27 1991 ...PERIODS OF SHOWERS AND THUNDERSTORMS TO REDEVELOPE TOODAY...SOME MAY BE SEVERE MAINLY THIS AFTERNOON... THE STRONG THUNDERSTORMS HAVE MOVED OUT OF WEST CENTRAL ILLINOIS FOR THE TIME BEING AND ONLY A FEW SHOWERS REMAIN IN THE GALESBURG AREA AS OF 945 AM. WE MAY SEE A LITTLE SUN THIS MORNING BUT THUNDERSTORMS %ARE EXPECTED TO REDEVELOPE BY AFTERNOON. TEMPERATURES SHOULD RISE INTO THE UPPER 60S BY MID DAY AND WINDS WILL REMAIN SOUTHERLY AT 10 TO 15 MPH THIS MORNING. BREESER
Special weather statement, Mar 27, 11:03 AM CST, 3 hours 27 minutes before
ILZ009-010-271815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1100 AM CST WED MAR 27 1991 ...SHOWERS AND THUNDERSTORMS TO REDEVELOPE ACROSS CENTRAL ILLINOIS ...SOME MAY BE SEVERE THIS AFTERNOON... AT 1055 AM...SHOWERS AND THUNDERSTORMS HAVE MOVED OUT OF CENTRAL AND EAST CENTRAL ILLINOIS AT THIS TIME. SHOWERS AND THUNDERSTORMS WILL REDEVELOPE THIS AFTERNOON...SOME MAY BE SEVERE. PERSONS ARE URGE TO LISTEN TO RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIABLE WATCHES OR WARNINGS. PARTLY TO MOSTLY CLOUDY SKIES WILL CONTINUE ACROSS CENTRAL ILLINOIS WITH TEMPERATURES CLIMBING INTO THE LOW TO MID 70S THIS AFTERNOON. ATTN ISP DISTS...6...9...10...18 AND 12 HILLIARD
Special weather statement, Mar 27, 11:18 AM CST, 3 hours 12 minutes before
ILZ005>007-009-271930- WEATHER UPDATE FOR PEORIA AND WEST CENTRAL ILLINOIS NATIONAL WEATHER SERVICE PEORIA IL 1115 AM CST WED MAR 27 1991 ...PERIODS OF SHOWERS AND THUNDERSTORMS TO REDEVELOP TODAY...SOME MAY BE SEVERE MAINLY THIS AFTERNOON... NO PRECIPITATION WAS DETECTED BY RADAR ACROSS WEST CENTRAL ILLINOIS AS OF 11AM THIS MORNING...HOWEVER THE POTENTIAL STILL EXISTS FOR SHOWER AND THUNDERSTORM DEVELOPMENT THROUGH THE EARLY AFTERNOON HOURS. TEMPERATURES HAD RISEN TO 70 BY LATE MORNING AND WINDS PICKED UP CONSIDERABLY TO 20 TO 25 MPH...GUSTING AS HIGH AS 38 MPH. TEMPERATURES WILL CONTINUE TO RISE THIS AFTERNOON...REACHING THE MID 70 LATER THIS AFTERNOON. WINDS WILL CONTINUE STRONG AND GUSTY...ESPECIALLY IN THUNDERSTORMS. BREESER
Special weather statement, Mar 27, 2:15 PM CST, 15 minutes before
ILZ009-010-272100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 215 PM CST WED MAR 27 1991 ...TORNADO WATCH IN EFFECT UNTIL 10 PM CST... SKIES ACROSS THE AREA CONTINUE TO BE PARTLY SUNNY WITH VERY STRONG WINDS FROM THE SOUTH TO SOUTHWEST. HERE AT CAPITOL AIRPORT GUSTS TO 63 MPH (55 KNOTS) WERE RECORDED AT 157 PM CST. GUSTS OVER 50 KNOTS ARE POSSIBLE FOR THE REMAINDER OF THIS AFTERNOON AND EVENING. TREE LIMBS AND SCREEN DOORS AS WELL AS OTHER LIGHT WEIGHT OBJECTS COULD BE DAMAGED FROM THESE VERY STRONG WINDS. THUNDERSTORMS COULD DEVELOP RAPIDLY THIS AFTERNOON...SO BE ON THE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN TO RADIO...TV...OR NOAA WEATHER RADIO FOR FURTHER UPDATES AND POSSIBLE WATCHES OR WARNINGS. MUNDY ATTN ISP DIST 6...9...10...18 AND 12
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 9:15 PM CST | Severe Thunderstorm Warning | ILX | Hancock | 60 min |
| Mar 26, 9:15 PM CST | Severe Thunderstorm Warning | ILX | McDonough | 105 min |
| Mar 26, 10:25 PM CST | Severe Thunderstorm Warning | ILX | Fulton | 65 min |
| Mar 26, 10:36 PM CST | Severe Thunderstorm Warning | ILX | Peoria | 2 hr |
| Mar 26, 11:04 PM CST | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 56 min |
| Mar 26, 11:32 PM CST | Severe Thunderstorm Warning | ILX | Marshall | 58 min |
| Mar 26, 11:55 PM CST | Severe Thunderstorm Warning | ILX | Knox, Warren | 65 min |
| Mar 27, 12:32 AM CST | Severe Thunderstorm Warning | ILX | Bureau | 28 min |
| Mar 27, 12:09 PM CST | Severe Thunderstorm Warning | ILX | Henderson, Warren | 66 min |
| Mar 27, 1:04 PM CST | Severe Thunderstorm Warning | ILX | Carroll, Stephenson | 26 min |
| Mar 27, 1:31 PM CST | Severe Thunderstorm Warning | ILX | Lee, Ogle, Stephenson, Winnebago | 44 min |
| Mar 27, 1:46 PM CST | Tornado Warning | ILX | Ogle, Winnebago | 44 min |
| Mar 27, 2:07 PM CST | Severe Thunderstorm Warning | ILX | Boone | 53 min |
| Mar 27, 2:07 PM CST | Severe Thunderstorm Warning | ILX | Lee | 53 min |
| Mar 27, 2:25 PM CST | Severe Thunderstorm Warning | ILX | Peoria | 35 min |
| Mar 27, 2:30 PM CST | Tornado Warning | ILX | Boone, Winnebago | 30 min |
| Mar 27, 2:44 PM CST | Severe Thunderstorm Warning | ILX | Marshall, Putnam | 31 min |
| Mar 27, 3:00 PM CST | Severe Thunderstorm Warning | ILX | Peoria | 30 min |
| Mar 27, 3:13 PM CST | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 22 min |
| Mar 27, 3:18 PM CST | Severe Thunderstorm Warning | ILX | DeKalb | 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; the sounding from the Mesonet's radiosonde archive.