Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 197, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 25, 1994, 6:03 PM CDT for Polk County, Wisconsin. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1994, 6:03 PM CDT (23:03 UTC)
- Expired
- Aug 25, 1994, 6:55 PM CDT
- In force
- 52 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Polk County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.1 hours before the alert went out and 113 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
- 1334 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 1348 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 252306 RRA SVRMSP WIC095-260000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 603 PM CDT THU AUG 25 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL WISCONSIN ...POLK COUNTY AT 603 PM A SEVERE THUNDERSTORM WAS MOVING INTO POLK COUNTY...NEAR THE TOWN OF ST CROIX FALLS. ST CROIX FALLS IS 45 MILES NORTHEAST OF THE TWIN CITIES. MOVEMENT WAS TO THE EAST..NORTHEAST AT 30 MPH. CITIES IN THE PATH INCLUDE BALSAM LAKE...ST CROIX FALLS...AND AMERY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM. PEOPLE IN MOBILE HOMES SHOULD GO TO A STORM SHELTER. DRB
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 25, 5:09 PM CDT, 54 minutes before
MNZ060-066-067-068-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 509 PM CDT THU AUG 25 1994 AT 505 PM VERY STRONG THUNDERSTORMS CONTINUED TO PERSIST IN SOUTHERN MCLEOD AND SIBLEY COUNTIES NEAR THE TOWNS OF SUMPTER...NEW AUBURN...AND GAYLORD. THESE STORMS ARE MOVING SLOWLY AND WILL MOVE INTO THE ARLINGTON... GREEN ISLE AND NEW ROME AREAS. EXPECT TORRENTIAL RAIN PRODUCING PONDING OF WATER ON ROADWAYS...SMALL HAIL...AND STRONG..GUSTY WINDS FROM THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN MINNESOTA UNTIL 8 PM CDT. SEVERE THUNDERSTORMS PRODUCE STRONG AND DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. BE PREPARED TO TAKE COVER QUICKLY SHOULD SEVERE WEATHER APPROACH YOUR AREA. DRB
Special weather statement, Aug 25, 5:12 PM CDT, 51 minutes before
MNZ060-066-067-068-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 509 PM CDT THU AUG 25 1994 AT 505 PM VERY STRONG THUNDERSTORMS CONTINUED TO PERSIST IN SOUTHERN MCLEOD AND SIBLEY COUNTIES NEAR THE TOWNS OF SUMPTER...NEW AUBURN...AND GAYLORD. THESE STORMS ARE MOVING SLOWLY AND WILL MOVE INTO THE ARLINGTON... GREEN ISLE AND NEW ROME AREAS. EXPECT TORRENTIAL RAIN PRODUCING PONDING OF WATER ON ROADWAYS...SMALL HAIL...AND STRONG..GUSTY WINDS FROM THESE STORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN MINNESOTA UNTIL 8 PM CDT. SEVERE THUNDERSTORMS PRODUCE STRONG AND DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. BE PREPARED TO TAKE COVER QUICKLY SHOULD SEVERE WEATHER APPROACH YOUR AREA. DRB
Special weather statement, Aug 25, 5:21 PM CDT, 42 minutes before
WIZ025-027-028-252315- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE MINNEAPOLIS MN 521 PM CDT THU AUG 25 1994 AT 515 PM...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL WISCONSIN APPROXIMATELY 15 MILES SOUTHWEST OF EAU CLAIRE. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... GUSTY WINDS...AND SMALL HAIL. PERSONS IN THE GREATER EAU CLAIRE AREA SHOULD TAKE APPROPRIATE PRECAUTIONS AT THIS TIME. THE STORMS SHOULD REACH THE EAU CLAIRE AREA BY 600 PM. THIS AREA IS ALSO UNDER A SEVERE THUNDERSTORM WATCH UNTIL 11 PM...INDICATING THAT CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF DAMAGING THUNDERSTORMS THROUGH THE REMAINDER OF THE EVENING. LUSSKY
Special weather statement, Aug 25, 5:22 PM CDT, 41 minutes before
WIZ025-027-028-260615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1215 AM CDT FRI AUG 26 1994 AT 2215Z...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL WISCONSIN APPROXIMATELY 15 MILES SOUTHWEST OF EAU CLAIRE. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... GUSTY WINDS...AND SMALL HAIL. PERSONS IN THE GREATER EAU CLAIRE AREA SHOULD TAKE APPROPRIATE PRECAUTIONS AT THIS TIME. THE STORMS SHOULD REACH THE EAU CLAIRE AREA BY 600 PM. THIS AREA IS ALSO UNDER A SEVERE THUNDERSTORM WATCH UNTIL 11 PM...INDICATING THAT CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF< DAMAGING THUNDERSTORMS THROUGH THE REMAINDER OF THE EVENING. LUSSKY
Special weather statement, Aug 25, 5:25 PM CDT, 38 minutes before
WIZ025-027-028-252315- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE MINNEAPOLIS MN 521 PM CDT THU AUG 25 1994 AT 515 PM...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL WISCONSIN APPROXIMATELY 15 MILES SOUTHWEST OF EAU CLAIRE. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... GUSTY WINDS...AND SMALL HAIL. PERSONS IN THE GREATER EAU CLAIRE AREA SHOULD TAKE APPROPRIATE PRECAUTIONS AT THIS TIME. THE STORMS SHOULD REACH THE EAU CLAIRE AREA BY 600 PM. THIS AREA IS ALSO UNDER A SEVERE THUNDERSTORM WATCH UNTIL 11 PM...INDICATING THAT CONDITIONS ARE FAHVORABLE FOR DEVELOPMENT OF DAMAGING THUNDERSTORMS THROUGH THE REMAINDER OF THE EVENING. LUSSKY
Local storm report, Aug 25, 5:55 PM CDT, 8 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS, MN
555 PM CDT THU AUG 26 1994
TIME EVENT/LOCATION/STATE
515 TO 545 PM TREES AND POWER LINES DOWN IN SCATTERED AREAS OF
D ANOKA COUNTY REPORTED VIA THE LAW ENFORCEMENT AGENCY.
EDWARDSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 5:41 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn | 49 min |
| Aug 25, 5:59 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 31 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.