Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 13, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 31, 1994, 6:47 PM CDT for Trempealeau County, Wisconsin. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1994, 6:47 PM CDT (23:47 UTC)
- Expired
- Jul 31, 1994, 7:30 PM CDT
- In force
- 43 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Trempealeau County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.8 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
- 4 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLSE 312347 RRA SVRLSE WIC121-010030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 647 PM CDT SUN JUL 31 1994 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL WISCONSIN ...TREMPEALEAU COUNTY AT 646 PM...RADAR INDICATED A SEVERE THUNDERSTORM 30 MILES NORTH OF LA CROSSE OR JUST SOUTHEAST OF ARCADIA. THE STORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL BE NEAR ETTRICK AROUND 655 PM. THE MAIN THREAT WITH THIS STORM WILL BE LARGE HAIL. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDINGT. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THOMPSON NNNN
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, Jul 31, 5:43 PM CDT, 1 hour 4 minutes before
WIZ032>034-041-042-053-054-010100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 545 PM CDT SUN JUL 31 1994 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP NEAR LA CROSSE... AT 540 PM...RADAR INDICATED STRONG THUNDERSTORMS TO THE NORTHWEST AND WEST OF LA CROSSE. SEVERE STORMS WERE LOCATED FROM SOUTH OF ROCHESTER TO NEAR MASON CITY. OTHER STRONG STORMS WERE LOCATED BETWEEN ARCADIA AND ALMA OR ABOUT 45 MILES NORTHWEST OF LA CROSSE. THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND WILL AFFECT THE TOWNS OF ARCADIA AND WHITEHALL BETWEEN 545 AND 630 PM. ALL PERSONS IN THE LA CROSSE AREA SHOULD BE ADVISED TO KEEP UP WITH RAPIDLY CHANGING WEATHER CONDITIONS OVER THE NEXT FEW HOURS. BOATERS ON AREA RIVERS SHOULD GO TO SHORE NOW. STAY TUNED TO WEATHER RADIO AND BE PREPARED TO TAKE SHELTER IF LATER WARNINGS ARE NEEDED FOR THESE STORMS. ALBRECHT
Special weather statement, Jul 31, 5:45 PM CDT, 1 hour 2 minutes before
WIZ032>034-041-042-053-054-010100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 545 PM CDT SUN JUL 31 1994 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP NEAR LA CROSSE... AT 540 PM...RADAR INDICATED STRONG THUNDERSTORMS TO THE NORTHWEST AND WEST OF LA CROSSE. SEVERE STORMS WERE LOCATED FROM SOUTH OF ROCHESTER TO NEAR MASON CITY. OTHER STRONG STORMS WERE LOCATED BETWEEN ARCADIA AND ALMA OR ABOUT 45 MILES NORTHWEST OF LA CROSSE. THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND WILL AFFECT THE TOWNS OF ARCADIA AND WHITEHALL BETWEEN 545 AND 630 PM. ALL PERSONS IN THE LA CROSSE AREA SHOULD BE ADVISED TO KEEP UP WITH RAPIDLY CHANGING WEATHER CONDITIONS OVER THE NEXT FEW HOURS. BOATERS ON AREA RIVERS SHOULD GO TO SHORE NOW. STAY TUNED TO WEATHER RADIO AND BE PREPARED TO TAKE SHELTER IF LATER WARNINGS ARE NEEDED FOR THESE STORMS. ALBRECHT
Special weather statement, Jul 31, 5:48 PM CDT, 59 minutes before
WIZ032>034-041-042-053-054-010100- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE LA CROSSE WI 550 PM CDT SUN JUL 31 1994 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP NEAR LA CROSSE... AT 540 PM...RADAR INDICATED STRONG THUNDERSTORMS TO THE NORTHWEST AND WEST OF LA CROSSE. SEVERE STORMS WERE LOCATED FROM SOUTH OF ROCHESTER TO NEAR MASON CITY. OTHER STRONG STORMS WERE LOCATED BETWEEN ARCADIA AND ALMA OR ABOUT 45 MILES NORTHWEST OF LA CROSSE. THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND WILL AFFECT THE TOWNS OF ARCADIA AND WHITEHALL BETWEEN 545 AND 630 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF THE LA CROSSE AREA UNTIL 1000 PM. ALL PERSONS IN THE LA CROSSE AREA SHOULD BE ADVISED TO KEEP UP WITH RAPIDLY CHANGING WEATHER CONDITIONS OVER THE NEXT FEW HOURS. BOATERS ON AREA RIVERS SHOULD GO TO SHORE NOW. PEOPLE SHOULD BE PREPARED TO TAKE SHELTER IF LATER WARNINGS ARE NEEDED FOR THESE STORMS. CORRECTED TO INCLUDE SEVERE THUNDERSTORM WATCH STATEMENT. ALBRECHT
Special weather statement, Jul 31, 5:50 PM CDT, 57 minutes before
WIZ032>034-041-042-053-054-010100- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE LA CROSSE WI 550 PM CDT SUN JUL 31 1994 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP NEAR LA CROSSE... AT 540 PM...RADAR INDICATED STRONG THUNDERSTORMS TO THE NORTHWEST AND WEST OF LA CROSSE. SEVERE STORMS WERE LOCATED FROM SOUTH OF ROCHESTER TO NEAR MASON CITY. OTHER STRONG STORMS WERE LOCATED BETWEEN ARCADIA AND ALMA OR ABOUT 45 MILES NORTHWEST OF LA CROSSE. THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND WILL AFFECT THE TOWNS OF ARCADIA AND WHITEHALL BETWEEN 545 AND 630 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF THE LA CROSSE AREA UNTIL 1000 PM. ALL PERSONS IN THE LA CROSSE AREA SHOULD BE ADVISED TO KEEP UP WITH RAPIDLY CHANGING WEATHER CONDITIONS OVER THE NEXT FEW HOURS. BOATERS ON AREA RIVERS SHOULD GO TO SHORE NOW. PEOPLE SHOULD BE PREPARED TO TAKE SHELTER IF LATER WARNINGS ARE NEEDED FOR THESE STORMS. CORRECTED TO INCLUDE SEVERE THUNDERSTORM WATCH STATEMENT. ALBRECHT
Special weather statement, Jul 31, 6:18 PM CDT, 29 minutes before
WIZ032>034-041-042-053-054-010200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 620 PM CDT SUN JUL 31 1994 ...NEW THUNDERSTORMS FORMING WEST OF LA CROSSE... AT 615 PM...RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING 20 MILES WEST OF LA CROSSE IN THE VICINITY OF HOUSTON AND CALEDONIA. NO MOVEMENT HAD YET BEEN DETERMINED FOR THESE STORMS. OTHER STRONG STORMS WERE LOCATED BETWEEN ARCADIA AND WHITEHALL OR 35 MILES NORTHWEST OF LA CROSSE. THESE STORMS WILL AFFECT THE TOWNS OF ETTRICK AND BLAIR BETWEEN 630 AND 715 PM. SMALL HAIL...HEAVY RAINS... DANGEROUS LIGHTNING... AND WINDS UP TO 40 MILES AN HOUR CAN BE EXPECTED WITH THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF THE LA CROSSE AREA UNTIL 1000 PM. ALL PERSONS ARE ADVISED TO KEEP UP WITH RAPIDLY CHANGING WEATHER CONDITIONS OVER THE NEXT FEW HOURS. BOATERS ON AREA RIVERS SHOULD GO TO SHORE NOW. PEOPLE SHOULD BE PREPARED TO TAKE SHELTER IF L ATER WARNINGS ARE NEEDED FOR THESE STORMS. ALBRECHT
Special weather statement, Jul 31, 6:20 PM CDT, 27 minutes before
WIZ032>034-041-042-053-054-010200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 620 PM CDT SUN JUL 31 1994 ...NEW THUNDERSTORMS FORMING WEST OF LA CROSSE... AT 615 PM...RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING 20 MILES WEST OF LA CROSSE IN THE VICINITY OF HOUSTON AND CALEDONIA. NO MOVEMENT HAD YET BEEN DETERMINED FOR THESE STORMS. OTHER STRONG STORMS WERE LOCATED BETWEEN ARCADIA AND WHITEHALL OR 35 MILES NORTHWEST OF LA CROSSE. THESE STORMS WILL AFFECT THE TOWNS OF ETTRICK AND BLAIR BETWEEN 630 AND 715 PM. SMALL HAIL...HEAVY RAINS... DANGEROUS LIGHTNING... AND WINDS UP TO 40 MILES AN HOUR CAN BE EXPECTED WITH THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF THE LA CROSSE AREA UNTIL 1000 PM. ALL PERSONS ARE ADVISED TO KEEP UP WITH RAPIDLY CHANGING WEATHER CONDITIONS OVER THE NEXT FEW HOURS. BOATERS ON AREA RIVERS SHOULD GO TO SHORE NOW. PEOPLE SHOULD BE PREPARED TO TAKE SHELTER IF LATER WARNINGS ARE NEEDED FOR THESE STORMS. ALBRECHT
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning in 1994
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.