Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 14, NWS La Crosse, WI

July 31, 1994Monroe County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jul 31, 1994, 8:02 PM CDT for Monroe County, Wisconsin. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jul 31, 1994, 8:02 PM CDT (01:02 UTC)
Expired
Jul 31, 1994, 8:30 PM CDT
In force
28 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Monroe County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 209 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 1994-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 617 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 1994-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
617 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

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, Jul 31, 5:43 PM CDT, 2 hours 19 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, 2 hours 17 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, 2 hours 14 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, 2 hours 12 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, 1 hour 44 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, 1 hour 42 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.