Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 18, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 19, 1994, 2:14 PM CDT for Trempealeau County, Wisconsin. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1994, 2:14 PM CDT (19:14 UTC)
- Expired
- Aug 19, 1994, 3:15 PM CDT
- In force
- 61 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, 7.2 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
- 526 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLSE 191914 RRA SVRLSE WIC121-192015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 214 PM CDT FRI AUG 19 1994 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL WISCONSIN ...TREMPEALEAU COUNTY AT 212 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR WAUMANDEE...OR ABOUT 40 MILES NORTHWEST OF LA CROSSE. THE STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR...AND WILL AFFECT THE ARCADIA AREA BY 225 PM. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. BRUCE "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, Aug 19, 10:30 AM CDT, 3 hours 44 minutes before
MNZ077-084-086-093-094-191630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 1029 AM CDT FRI AUG 19 1994 ...THUNDERSTORMS PRODUCING HEAVY RAINS NEAR ALBERT LEA AND AUSTIN... AT 1020 AM...RADAR INDICATED THE STRONGEST STORMS JUST WEST OF CLARKS GROVE...NEAR GLENVILLE AND AUSTIN. THERE WAS ALSO ANOTHER STORM JUST SOUTH OF FARIBAULT. THESE STORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR. VERY HEAVY DOWNPOURS AND FREQUENT DAMAGING LIGHTNING ARE LIKELY WITH THE STORMS. EXPECT THE STORMS TO SPREAD INTO WEST CONCORD...HAYFIELD...AND LYLE TOWARD 11 AM. THE STORMS SHOULD THEN REACH PINE ISLAND...SPRING VALLEY..AND LE ROY TOWARD 1130 AM. REMEMBER...LIGHTNING MAY STRIFKE SOME MILES AWAY FROM THE PARENT CLOUD. PRECAUTIONS SHOULD BE TAKEN EVEN THOUGH THE THUNDERSTORM IS NOT DIRECTLY OVERHEAD. RLT
Special weather statement, Aug 19, 12:51 PM CDT, 1 hour 23 minutes before
WIZ032>034-041-042-053-054-191845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1255 PM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORMS NORTH OF LA CROSSE... AT 1255 PM...STRONG THUNDERSTORMS WITH HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL WERE LOCATED 60 MILES NORTH OF LA CROSSE NEAR MAXVILLE AND MONDOVI. THE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BE AFFECTING THE MONDOVI AND NELSON AREAS THROUGH 130 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM FOR AREAS SOUTH OF LA CROSSE...HOWEVER STRONG THUNDERSTORMS ARE EXPECTED ABOUT ANYWHERE AROUND THE AREA THIS AFTERNOON. PEOPLE ARE ADVISED TO KEEP LISTENING FOR THE LATEST WEATHER INF^ORMATION ON RADIO...TV...OR WEATHER RADIO. GO INDOORS IF A STORM APPROACHES. THOMPSON
Special weather statement, Aug 19, 12:55 PM CDT, 1 hour 19 minutes before
WIZ032>034-041-042-053-054-191845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1255 PM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORMS NORTH OF LA CROSSE... AT 1255 PM...STRONG THUNDERSTORMS WITH HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL WERE LOCATED 60 MILES NORTH OF LA CROSSE NEAR MAXVILLE AND MONDOVI. THE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BE AFFECTING THE MONDOVI AND NELSON AREAS THROUGH 130 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM FOR AREAS SOUTH OF LA CROSSE...HOWEVER STRONG THUNDERSTORMS ARE EXPECTED ABOUT ANYWHERE AROUND THE AREA THIS AFTERNOON. PEOPLE ARE ADVISED TO KEEP LISTENING FOR THE LATEST WEATHER INFORMATION ON RADIO...TV...OR WEATHER RADIO. GO INDOORS IF A STORM APPROACHES. THOMPSON
Special weather statement, Aug 19, 1:01 PM CDT, 1 hour 13 minutes before
WIZ032>034-041-042-053-054-191900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 105 PM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORMS SOUTH OF LA CROSSE... AT 105 PM...A STRONG THUNDERSTORM WITH HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL WAS LOCATED 40 MILES SOUTH OF LA CROSSE NEAR LYNXVILLE. THE STORMS WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BE AFFECTING THE LYNXVILLE AREA THROUGH 130 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM FOR AREAS SOUTH OF LA CROSSE...HOWEVER STRONG THUNDERSTORMS ARE EXPECTED ABOUT ANYWHERE AROUND THE AREA THIS AFTERNOON. PEOPLE ARE ADVISED TO KEEP LISTENING FOR THE LATEST WEATHER INFORMATION ON RADIO...TV..~.OR WEATHER RADIO. SHOULD A THUNDERSTORM THREATEN... GO INDOORS AND STAY THERE UNTIL IT PASSES. THOMPSON
Special weather statement, Aug 19, 1:05 PM CDT, 1 hour 9 minutes before
WIZ032>034-041-042-053-054-191900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 105 PM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORMS SOUTH OF LA CROSSE... AT 105 PM...A STRONG THUNDERSTORM WITH HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL WAS LOCATED 40 MILES SOUTH OF LA CROSSE NEAR LYNXVILLE. THE STORMS WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BE AFFECTING THE LYNXVILLE AREA THROUGH 130 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM FOR AREAS SOUTH OF LA CROSSE...HOWEVER STRONG THUNDERSTORMS ARE EXPECTED ABOUT ANYWHERE AROUND THE AREA THIS AFTERNOON. PEOPLE ARE ADVISED TO KEEP LISTENING FOR THE LATEST WEATHER INFORMATION ON RADIO...TV...OR WEATHER RADIO. SHOULD A THUNDERSTORM THREATEN... GO INDOORS AND STAY THERE UNTIL IT PASSES. THOMPSON
Special weather statement, Aug 19, 1:45 PM CDT, 29 minutes before
MNZ079-088-096-191950- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 145 PM CDT FRI AUG 19 1994 ...A STRONG THUNDERSTORM IN THE WABASHA AREA... AT 140 PM...RADAR SHOWED A STRONG THUNDERSTORMS JUST TO THE EAST OF WABASHA. IT WAS MOVING TO THE SOUTHEAST...ALONG THE MISSISSIPPI RIVER AT 25 MILES AN HOUR. EXPECT HEAVY DOWNPOURS AND FREQUENT LIGHTNING NEAR ALMA AND WEAVER BETWEEN 200 AND 215 PM. THIS STORM SHOULD REACH MINNESOTA CITY TOWARD 230 PM. OTHERWISE...MORE SHOWERS AND THUNDERSTORMS STILL LINGER IN EXTREME SOUTHEAST CORNER...NEAR HARMONY...CALEDONIA...AND LA CRESCENT. EXPECT THESE STORMS TO SLIDE TO THE JUST SOUTH OF EAST ACROSS THE MISSISSIPPI RIVER TOWARD 3 PM. BOATERS ON THE MISSISSIPPI RIVER SHOULD HEAD FOR SHORE WHEN SPOTTING TOWERING THUNDERHEADS AND DAMAGING LIGHTNING...ESPECIALLY IN THE WABASHA AREA. RLT
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 9:44 AM CDT | Severe Thunderstorm Warning | ARX | Vernon | 46 min |
| Aug 19, 1:25 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 35 min |
| Aug 19, 1:53 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 52 min |
| Aug 19, 2:42 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 63 min |
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.