Alert archive / Wisconsin / Tornado Warnings in 1991
Tornado Warning 1, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at May 27, 1991, 9:03 PM CDT for Jackson County, Wisconsin. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1991, 9:03 PM CDT (02:03 UTC)
- Expired
- May 27, 1991, 9:33 PM CDT
- In force
- 30 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Jackson County, WI
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.1 hours before the alert went out and 216 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
- 1164 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1342 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLSE 280203
TORLSE
WIC053-280245-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
903 PM CDT MON MAY 27 1991
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 945 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
IN WEST CENTRAL WISCONSIN
...JACKSON COUNTY
AT 858 PM...JACKSON COUNTY SHERIFF REPORTED SEVERAL FUNNEL CLOUDS
8 MILES NORTHEAST OF MELROSE...OR 30 MILES NORTHEAST OF LA CROSSE.
THE THUNDERSTORM PRODUCING THE FUNNEL CLOUDS WAS MOVING EAST AT 20
MILES AN HOUR.
PEOPLE IN BLACK RIVER FALLS...SHAMROCK...PLEASANT VIEW...AND MILLSTON
SHOULD TAKE COVER IMMEDIATELY.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GEiT INTO A DITCH OR CULVERT.
BRUCE
NNNNWhat 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, May 27, 4:37 PM CDT, 4 hours 26 minutes before
WIZ010-014-272230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 435 PM CDT MON MAY 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE LA CROSSE TRI STATE AREA UNTIL 900 PM... AT 430 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM IN SOUTHEAST MINNESOTA MOVING INTO WEST CENTRAL WISCONSIN. THE STORM WAS LOCATED 30 MILES NORTHWEST OF LA CROSSE AND WILL BE AFFECTING SOUTHERN PORTIONS OF BUFFALO AND TREMPEALEAU COUNTIES...AND NORTHERN PORTIONS OF LA CROSSE COUNTY...BETWEEN 430 AND 530 PM. THIS STORM PRODUCED 2 3/4 INCH HAIL IN ROCHESTER...BUT HAS DECREASED IN INTENSITY. NONETHELESS...IT IS STILL CAPABLE OF PRODUCING BRIEF HEAVY RAIN...PEA TO MARBLE SIZED HAIL...AND WIND GUSTS UP TO 45 MILES AN HOUR AS IT MOVES EAST AT 30 MILES AN HOUR. INGRAM
Special weather statement, May 27, 5:20 PM CDT, 3 hours 43 minutes before
WIZ010-014-272230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 520 PM CDT MON MAY 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE LA CROSSE TRI STATE AREA UNTIL 900 PM... AT 515 PM CDT...RADAR INDICATED SCATTERED THUNDERSTORMS OVER SOUTHERN BUFFALO AND SOUTHERN TREMPEALEAU COUNTIES. HOWEVER... THEY HAD DECREASED CONSIDERABLY IN INTENSITY DURING THE LAST HOUR. THESE STORMS MAY STILL PRODUCE SOME BRIEF HEAVY RAIN...BUT NO SEVERE WEATHER IS EXPECTED WITH THESE STORMS AT THIS TIME. THE STORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. INGRAM
Special weather statement, May 27, 6:18 PM CDT, 2 hours 45 minutes before
WIZ010-014-280030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 618 PM CDT MON MAY 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF WEST CENTRAL AND SOUTHWEST WISCONSIN UNTIL 900 PM... AT 612 PM CDT...RADAR INDICATED SCATTERED THUNDERSTORMS OVER SOUTHERN BUFFALO AND NORTHWEST JACKSON COUNTIES. THE STRONGEST STORM WAS LOCATED NEAR PRICE...55 MILES NORTH OF LA CROSSE. THESE STORMS MAY STILL PRODUCE SOME BRIEF HEAV Y RAIN...BUT NO SEVERE WEATHER IS EXPECTED WITH THESE STORMS AT THIS TIME. THE STORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. INGRAM
Special weather statement, May 27, 6:54 PM CDT, 2 hours 9 minutes before
WIZ010-014-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 653 PM CDT MON MAY 27 1991 ...SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR WEST CENTRAL AND SOUTHWEST WISCONSIN... THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE LA CROSSE TRI STATE AREA. SEVERE WEATHER IS NO LONGER A THREAT...AS THE STRONGEST STORMS HAVE MOVED INTO CENTRAL WISCONSIN. AT 640 PM CDT...RADAR INDICATED AN ISOLATED AREA OF THUNDERSTORMS OVER NORTHERN JACKSON COUNTY NEAR MERRILLAN...50 MILES NORTHEAST OF LA CROSSE. THESE STORMS MAY PRODUCE SOME BRIEF HEAVY RAIN. THE STORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. THE OUTLOOK FOR THE REMAINDER OF THE EVENING IS FORd WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY IN AREAS NORTH OF LA CROSSE. INGRAM
Special weather statement, May 27, 8:38 PM CDT, 25 minutes before
WIZ010-014-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 835 PM CDT MON MAY 27 1991 AT 830 PM CDT...RADAR INDICATED AN ISOLATED STRONG THUNDERSTORM OVER SOUTHERN JACKSON COUNTY7 NEAR SHAMROCK...35 MILES NORTHEAST OF LA CROSSE. THIS STORM MAY PRODUCE BRIEF HEAVY RAIN...WIND GUSTS OF 30 TO 40 MILES AN HOUR...AND POSSIBLY SOME PEA TO MARBLE SIZED HAIL. THE STORM WAS MOVING EAST AT 20 MILES AN HOUR. INGRAM
Special weather statement, May 27, 8:39 PM CDT, 24 minutes before
MNZ018-019-270900- SPECIAL WEATHER STATEMENT FOR SOUTHEAST AND SOUTH CENTRAL MINNESOTA NATIONAL WEATHER SERVICE ROCHESTER MN 830 PM CDT MON MAY 27 1991 ...THUNDERSTORMS NEAR MINNESOTA/IOWA BORDER... AT 830 PM CDT AN AREA OF STRONG THUNDERSTORMS HAVE DEVELOPED JUST SOUTH OF THE MINNESOTA/IOWA BORDER SOUTH OF ROCHESTER. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MPH AND SHOULD CROSS THE BORDER INTO EXTREME SOUTHEAST MINNESOTA BY 900 PM. THE THUNDERSTORMS SHOULD BE NEAR LYLE...TAOPI...AND LE ROY IN SOUTHEAST MOWER COUNTY BY 900 PM CDT. THE THUNDERSTORMS COULD MOVE INTO THE SOUTHWEST PART OF FILLMORE COUNTY BY 930 PM CDT. PERSONS IN THE SOUTHEAST PART OF MOWER COUNTY AND IN THE SOUTHWEST PART OF FILLMORE COUNTY SHOULD BE PREPARED FOR HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WITH THE STORMS. SCS
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 10:53 AM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 52 min |
Nearby
Tornado Warnings in Wisconsin, 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.