Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 1, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 12, 1990, 5:15 PM CDT for Trempealeau County, Wisconsin. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jun 12, 1990, 5:15 PM CDT (22:15 UTC)
- Expired
- Jun 12, 1990, 5:50 PM CDT
- In force
- 35 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Trempealeau County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.3 hours before the alert went out and 188 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
- 966 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Jun 12, 1:01 PM CDT, 4 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 100 PM CDT TUE JUN 12 1990 ...TORNADO WATCH FOR WEST CENTRAL WISCONSIN AND ADJACENT AREAS OF SOUTHEAST MINNESOTA UNTIL 8 PM... AT 1255 PM...NO PRECIPITATION WAS BEING DETECTED IN THE LA CROSSE ...TRI STATE...AREA. HOWEVER...A LINE OF THUNDERSTORMS CONTINUED TO DEVELOP FROM NORTHWEST WISCONSIN...ACROSS SOUTHEAST MINNESOTA WEST OF ROCHESTER...AND INTO NORTH CENTRAL IOWA. THE LINE WAS MOVING EAST AT 30 MILES AN HOUR...AND AT ITS CURRENT SPEED WOULD REACH THE LA CROSSE...AND BLACK RIVER FALLS...AREAS BETWEEN 330 AND 430 PM. THUNDERTORMS COULD REACH ALMA AND MONDOVI BY AS EARLY AS 2 PM. PEOPLE IN THE LA CROSSE...TRI STATE...AREA ARE URGED TO MONITOR WEATHER RADIO...OR COMMERCIAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Special weather statement, Jun 12, 1:56 PM CDT, 3 hours 19 minutes before
WIZ010-014-122130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 155 PM CDT TUE JUN 12 1990 ...TORNADO WATCH FOR WEST CENTRAL WISCONSIN AND SOUTHEAST MINNESOTA UNTIL 8 PM... AT 150 PM...A LINE OF SHOWERS AND THUNDERSTORMS CONTINUED FROM NORTHWEST WISCONSIN...ACROSS SOUTHEAST MINNESOTA...AND INTO EXTREME NORTH CENTRAL IOWA. THE LEADING EDGE OF THE LINE EXTENDED FROM EAU CLAIRE...TO 50 MILES NORTHWEST OF LA CROSSE NEAR ALMA...TO JUST WEST OF ROCHESTER. THE STRONGEST STORMS WERE IN THE NORTHERN PART OF THIS LINE...BUT NO SEVERE WEATHER HAS BEEN REPORTED IN WEST CENTRAL WISCONSIN OR SOUTHEAST MINNESOTA. THE NORTHERN PORTION OF THE LINE WAS MOVING EAST AT 30 MILES AN HOUR ...BUT THE SOUTHERN PART OF THE LINE HAD DECREASED IN SPEED TO AROUND 20 MILES AN HOUR. AS A RESULT...IT NOW APPEARS THAT THUNDERSTORMS WOULD NOT REACH LA CROSSE BEFORE LATE AFTERNOON. PEOPLE IN THE LA CROSSE...TRI STATE...AREA ARE URGED TO MOMNITOR WEATHER RADIO...OR COMMERCIAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Special weather statement, Jun 12, 3:00 PM CDT, 2 hours 15 minutes before
WIZ010-014-122200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 300 PM CDT TUE JUN 12 1990 ...TORNADO WATCH FOR WEST CENTRAL WISCONSIN AND SOUTHEAST MINNESOTA UNTIL 8 PM... AT 255 PM...SCATTERED SHOWERS AND THUNDERSTORMS WERE INDICATED FROM FROM WEST CENTRAL WISCONSIN...ACROSS SOUTHEAST MINNESOTA...AND INTO NORTH CENTRAL IOWA. THE PRECIPITATION WAS NORTHWEST OF A LINE FROM 40 MILES SOUTHEAST OF EAU CLAIRE...TO 25 MILES WEST OF LA CROSSE ...TO 40 MILES WEST OF DECORAH IOWA. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS AS THEY MOVE NORTHEAST AT 50 MILES AN HOUR. THE LINE OF THUNDERSTORMS THAT WE HAD BEEN WATCHING EARLIER HAD... FOR THE MOST PART...DISSIPATED. HOWEVER...SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE TRI STATE REGION DURING THE REMAINDER OF THE AFTERNOON. PEOPLE IN THE LA CROSSE...TRI STATE...AREA ARE URGED TO MONITOR WEATHER RADIO...OR COMMERCIAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Special weather statement, Jun 12, 3:44 PM CDT, 1 hour 31 minutes before
WIZ010-014-122230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 345 PM CDT TUE JUN 12 1990 ...TORNADO WATCH FOR WEST CENTRAL WISCONSIN AND SOUTHEAST MINNESOTA UNTIL 8 PM...AND FOR EXTREME NORTHEAST IOWA UNTIL 1000 PM... AT 340 PM...A THUNDERSTORM...PRODUCING HEAVY RAIN...WAS 15 MILES NORTHWEST OF LA CROSSE NEAR TREMPEALEAU. OTHERWISE...SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED FROM WEST CENTRAL WISCONSIN...ACROSS SOUTHEAST MINNESOTA AND INTO NORTHEAST IOWA. THE PRECIPITATION WAS MAINLY NORTHWEST OF A LINE FROM BLACK RIVER FALLS...TO JUST WEST OF LA CROSSE...TO 10 MILES WEST OF DECORAH IOWA. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR. PEOPLE IN THE LA CROSSE...TRI STATE...AREA ARE URGED TO MONITOR WEATHER RADIO...OR COMMERCIAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Special weather statement, Jun 12, 4:18 PM CDT, 57 minutes before
WIZ010-014-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 417 PM CDT TUE JUN 12 1990 ...THUNDERSTORMS MOVING INTO THE LA CROSSE AREA... AT 415 PM...RADAR INDICATED THUNDERSTORMS OVER THE SOUTHEAST CORNER OF MINNESOTA...ABOUT 15 MILES SOUTHWEST OF LA CROSSE. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR AND WILL BE AFFECTING THE CITY OF LA CROSSE BETWEEN 420 AND 515 PM. BRIEF HEAVY RAIN...AND SMALL HAIL ARE POSSSIBLE WITH THESE STORMS. PEOPLE IN THE LA CROSSE...TRI STATE...AREA ARE URGED TO MONITOR WEATHER RADIO...OR COMMERCIAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. A TORNADO WATCH REMAINS IN EFFECT FOR LA CROSSE UNTIL 800 PM. BRUCE
Special weather statement, Jun 12, 4:49 PM CDT, 26 minutes before
WIZ010-014-122230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 450 PM CDT TUE JUN 12 1990 ...TORNADO WATCH FOR WEST CENTRAL WISCONSIN AND SOUTHEAST MINNESOTA UNTIL 8 PM...AND FOR EXTREME NORTHEAST IOWA UNTIL 1000 PM... AT 445 PM...THUNDERSTORMS...PRODUCING HEAVY RAIN...WERE JUST SOUTHEAST OF LA CROSSE...AND 50 MILES NORTHWEST OF LA CROSSE... BETWEEN ALMA AND OSSEO. OTHERWISE...SHOWERS AND THUNDERSTORMS WERE SCATTERED ACROSS WEST CENTRAL WISCONSIN...SOUTHEAST MINNESOTA...AND NORTHEAST IOWA...BUT NO SEVERE WEATHER HAS BEEN REPORTED. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR...AND WERE INCREASING IN COVERAGE AND INTENSITY. PEOPLE IN T8HE LA CROSSE...TRI STATE...AREA ARE URGED TO MONITOR WEATHER RADIO...OR COMMERCIAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990
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.