Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 82, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 9, 1993, 8:34 PM CDT for Eau Claire County, Wisconsin. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1993, 8:34 PM CDT (01:34 UTC)
- Expired
- Aug 9, 1993, 9:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Eau Claire County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 1.6 hours before the alert went out and 183 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
- 490 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1739 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KMSP 100135 SVRMPX WIC035-100215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 834 PM CDT MON AUG 9 1993 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL WISCONSIN ...SOUTHERN EAU CLAIRE COUNTY AT 825 PM...A SEVERE THUNDERSTORM WAS LOCATED IN CENTRAL EAU CLAIRE COUNTY NEAR BRACKETT...15 MILES SOUTHEAST OF EAU CLAIRE. THIS THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. FOSTER IS IN THE PATH OF THIS STORM. THE PUBLIC REPORTED TREES AND POWER LINES DOWN FROM THIS STORM AS IT MOVED THROUGH EAU CLAIRE. DOWNPOURS MAY ALSO CAUSE LOCALIZED FLOODING. 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. WJH &
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 9, 4:40 PM CDT, 3 hours 54 minutes before
WIZ003-006-MNZALL-092245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 440 PM CDT MON AUG 9 1993 ...STRONG THUNDERSTORMS OVER SOUTH CENTRAL MINNESOTA... STRONG THUNDERSTORMS HAD DEVELOPED OVER EXTREME SOUTH CENTRAL MINNESOTA AT 430 PM. THE MOST POWERFUL STORMS WERE IN THE ALBERT LEA...AUSTIN AREA...JUST NORTH OF THE IOWA BORDER. WHILE NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS... THEY STILL HAVE THE POTENTIAL TO PRODUCE FREQUENT DEADLY LIGHTNING... STRONG GUSTY WINDS TO ABOUT 45 MILES AN HOUR...SMALL HAIL...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR OPERATING FARM EQUIPMENT SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. THEY SHOULD REACH THE TOWNS OF GLENVILLE...LE ROY...AND HARMONY BY ABOUT 515 PM. SHOWERS AND THUNDERSTORMS WERE ALSO OCCURRING OVER SOUTH CENTRAL AND SOUTHEAST MINNESOTA SOUTH OF A LINE FROM NEW ULM TO LE SUEUR TO REDWING TO LA CROSSE. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. KRAFT
Special weather statement, Aug 9, 4:40 PM CDT, 3 hours 54 minutes before
WIZ003-006-MNZALL-092245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 440 PM CDT MON AUG 9 1993 ...STRONG THUNDERSTORMS OVER SOUTH CENTRAL MINNESOTA... STRONG THUNDERSTORMS HAD DEVELOPED OVER EXTREME SOUTH CENTRAL MINNESOTA AT 430 PM. THE MOST POWERFUL STORMS WERE IN THE ALBERT LEA...AUSTIN AREA...JUST NORTH OF THE IOWA BORDER. WHILE NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS... THEY STILL HAVE THE POTENTIAL TO PRODUCE FREQUENT DEADLY LIGHTNING... STRONG GUSTY WINDS TO ABOUT 45 MILES AN HOUR...SMALL HAIL...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR OPERATING FARM EQUIPMENT SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. THEY SHOULD REACH THE TOWNS OF GLENVILLE...LE ROY...AND HARMONY BY ABOUT 515 PM. SHOWERS AND THUNDERSTORMS WERE ALSO OCCURRING OVER SOUTH CENTRAL AND SOUTHEAST MINNESOTA SOUTH OF A LINE HFROM NEW ULM TO LE SUEUR TO REDWING TO LA CROSSE. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. KRAFT
Special weather statement, Aug 9, 7:37 PM CDT, 57 minutes before
WIZ003-006-MNZALL-100145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 737 PM CDT MON AUG 9 1993 ...STRONG THUNDERSTORMS OVER EXTREME SOUTH CENTRAL MINNESOTA... STRONG THUNDERSTORMS CONTINUED NEAR THE IOWA BORDER OVER EXTREME SOUTH CENTRAL MINNESOTA. AT 730 PM THEY WERE LOCATED BETWEEN FAIRMONT AND BRICELYN. THESE STORMS MAY PRODUCE HAIL...STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR OPERATING FARM EQUIPMENT SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR. CITIES AND TOWNS IN THE PATH OF THESE STORMS INCLUDE EAST CHAIN...PILOT GROVE...ELMORE ...FROST AND BRICELYN. OTHER THUNDERSTORMS IN EXTREME SOUTHERN MINNESOTA ALONG THE IOWA BORDER WERE SOUTH OF A LINE FROM HERON LAKE TO WINNEBAGO TO AUSTIN TO LE ROY. THUNDERSHOWERS WERE ALSO FALLING NEAR EAU CLAIRE IN WEST CENTRAL6 WISCONSIN. MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR. KRAFT
Special weather statement, Aug 9, 7:37 PM CDT, 57 minutes before
WIZ003-006-MNZALL-100145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 737 PM CDT MON AUG 9 1993 ...STRONG THUNDERSTORMS OVER EXTREME SOUTH CENTRAL MINNESOTA... STRONG THUNDERSTORMS CONTINUED NEAR THE IOWA BORDER OVER EXTREME SOUTH CENTRAL MINNESOTA. AT 730 PM THEY WERE LOCATED BETWEEN FAIRMONT AND BRICELYN. THESE STORMS MAY PRODUCE HAIL...STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR OPERATING FARM EQUIPMENT SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR. CITIES AND TOWNS IN THE PATH OF THESE STORMS INCLUDE EAST CHAIN...PILOT GROVE...ELMORE ...FROST AND BRICELYN. OTHER THUNDERSTORMS IN EXTREME SOUTHERN MINNESOTA ALONG THE IOWA BORDER WERE SOUTH OF A LINE FROM HERON LAKE TO WINNEBAGO TO AUSTIN TO LE ROY. THUNDERSHOWERS WERE ALSO FALLING NEAR EAU CLAIRE IN WEST CENTRAL WISCONSIN. MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR. KRAFT
Special weather statement, Aug 9, 7:54 PM CDT, 40 minutes before
MNZ017>019-100300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 754 PM CDT MON AUG 9 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF SOUTHERN MINNESOTA... THE SEVERE THUNDERSTORM WATCHS IN EFFECT FOR SOUTHERN MINNESOTA HAVE BEEN CANCELLED AROUND REDWOOD FALLS...MANKATO...OWANTONNA AND ROCHESTER. SEVERE THUNDERSTORM WATCHES REMAIN IN EFFECT NEAR THE IOWA BORDER FROM ALBERT LEA WEST TO LUVERNE UNTIL 1000 PM. COUNTIES STILL IN A SEVERE THUNDERSTORM WATCH INCLUDE...ROCK..NOBLES.. JACKSON..MARTIN..FAIRBAULT..FREEBORN. WJH
Special weather statement, Aug 9, 7:55 PM CDT, 39 minutes before
MNZ017>019-100300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 754 PM CDT MON AUG 9 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF SOUTHERN MINNESOTA... THE SEVERE THUNDERSTORM WATCHS IN EFFECT FOR SOUTHERN MINNESOTA HAVE BEEN CANCELLED AROUND REDWOOD FALLS...MANKATO...OWANTONNA AND ROCHESTER. SEVERE THUNDERSTORM WATCHES REMAIN IN EFFECT NEAR THE IOWA BORDER FROM ALBERT LEA WEST TO LUVERNE UNTIL 1000 PM. rCOUNTIES STILL IN A SEVERE THUNDERSTORM WATCH INCLUDE...ROCK..NOBLES.. JACKSON..MARTIN..FAIRBAULT..FREEBORN. WJH
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1993Every severe thunderstorm warning in 1993
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.