Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 60, NWS Twin Cities, MN

August 10, 1992Clark County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 10, 1992, 12:39 AM CDT for Clark County, Wisconsin. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1992, 12:39 AM CDT (05:39 UTC)
Expired
Aug 10, 1992, 1:45 AM CDT
In force
66 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Clark County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.7 hours before the alert went out and 201 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 1992-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3346 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 1992-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 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
3346 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
1.8
Supercell composite
16.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMKE 100540
SVRMKE
WIC019-100645-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1239 AM CDT MON AUG 10 1992
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL WISCONSIN
 
   ...CLARK COUNTY
 
AT 1240 AM CDT WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM
NEAR FAIRCHILD IN SOUTHEAST EAU CLAIRE COUNTY OR ABOUT 30 MILES
SOUTHEAST OF THE CITY OF EAU CLAIRE.
 
THE STORM WAS MOVING EAST SOUTHEAST AT 25 MPH.  CITIES IN THE PATH
OF THIS DANGEROUS STORM ARE HUMBIRD...NEILLSVILLE AND SHERWOOD.
 
 
 
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 I8NTO AREAS WHERE WATER COVERS THE ROAD.
 
DAVIS

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, 10:53 PM CDT, 1 hour 46 minutes before
MNZ012>019-100430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ ST. PAUL MN
1035 PM CDT SUN AUG 9 1992

...TORNADO WATCH NUMBER 742 IN EFFECT FOR PARTS OF CENTRAL AND SOUTHERN
MINNESOTA INCLUDING THE TWIN CITIES METRO AREA AND WEST CENTRAL
WISCONSIN UNTIL 2 AM CDT MONDAY MORNING...

AT 1035 PM CDT...RADAR INDICATED A 75 MILE WIDE AREA OF STRONG
THUNDERSTORMS FROM PHILLIPS IN NORTH CENTRAL WISCONSIN TO JUST EAST OF
THE TWIN CITIES IN EXTREME WEST CENTRAL WISCONSIN. THE AREA WAS MOVING
TOWARD THE SOUTHEAST AT 20 MPH. DEADLY LIGHTNING...HAIL...AND STRONG
WINDS ARE POSSIBLE WITH THE STRONGER THUNDERSTORMS. BY 1145 PM CDT THE
LEADING EDGE OF THE THUNDERSTORMS WILL EXTEND FROM MEDFORD TO DURAND IN
WISCONSIN.

OTHER THUNDERSTORM WERE LOCATED OVER THE SOUTHERN SUBURBS OF THE TWIN
CITIES...NEAR NEW ULM AND JUST NORTH OF WORTHINGTON. THESE
THUNDERSTORMS WERE DRIFTING

DEADLY LIGHTNING...HAIL...AND WIND GUSTS TO 50 MPH ARE POSSIBLE WITH
THIS THUNDERSTORM. BY 1130 PM CDT THE THUNDERSTORM WILL HAVE CROSSED
THROUGH WHEELER...COLFAX...AND CEDAR FALLS.

REMEMBER...A TORNADO WATCH CONTINUES IN EFFECT FOR WEST CENTRAL
WISCONSIN UNTIL 2 AM MONDAY MORNING.
NAISTAT
Special weather statement, Aug 9, 10:57 PM CDT, 1 hour 42 minutes before
MNZ012>019-100430-

SPECIAL WEATHER STATEMENT...CORRECTED 2ND PARAGRAPH...LAST LINE
NATIONAL WEATHER SERVICE MINNEAPOLIS/ ST. PAUL MN
1035 PM CDT SUN AUG 9 1992

...TORNADO WATCH NUMBER 742 IN EFFECT FOR PARTS OF CENTRAL AND SOUTHERN
MINNESOTA INCLUDING THE TWIN CITIES METRO AREA AND WEST CENTRAL
WISCONSIN UNTIL 2 AM CDT MONDAY MORNING...

AT 1035 PM CDT...RADAR INDICATED A 75 MILE WIDE AREA OF STRONG
THUNDERSTORMS FROM PHILLIPS IN NORTH CENTRAL WISCONSIN TO JUST EAST OF
THE TWIN CITIES IN EXTREME WEST CENTRAL WISCONSIN. THE AREA WAS MOVING
TOWARD THE SOUTHEAST AT 20 MPH. DEADLY LIGHTNING...HAIL...AND STRONG
WINDS ARE POSSIBLE WITH THE STRONGER THUNDERSTORMS. BY 1145 PM CDT THE
LEADING EDGE OF THE THUNDERSTORMS WILL EXTEND FROM MEDFORD TO DURAND IN
WISCONSIN.

OTHER THUNDERSTORM WERE LOCATED OVER THE SOUTHERN SUBURBS OF THE TWIN
CITIES...NEAR NEW ULM AND JUST NORTH OF WORTHINGTON. THESE
THUNDERSTORMS WERE DRIFTING TOWARD THE SOUTH.

DEADLY LIGHTNING...HAIL...AND WIND GUSTS TO 50 MPH ARE POSSIBLE WITH
THIS THUNDERSTORM. BY 1130 PM CDT THE THUNDERSTORM WILL HAVE CROSSED
THROUGH WHEELER...COLFAX...AND CEDAR FALLS.

REMEMBER...A TORNADO WATCH CONTINUES IN EFFECT FOR WEST CENTRAL
WISCONSIN UNTIL 2 AM MONDAY MORNING.
NAISTAT
Local storm report, Aug 9, 11:14 PM CDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STROM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1111 PM CDT SUN AUG 09 1992

STORM DATA FOR MINNEAPOLIS COUNTY AREAS OF RESPONSIBILITY ON  AUG 9

 TIME           COUNTY...LOCATION AND STATE   CHARACTER OF STORM...DAMAGE
................................................................................ 1030 CDT        EASTERN RUSK COUNTY OF      SEVERAL LARGE TREES DOWN IN
                 NORTHWEST WISCONSIN         THE TOWN OF TONY WHICH IS 4
                                             MILES EAST OF LADYSMITH.
                                             DOWNED TREES ARE BLOCKING
                                             HIGHWAY 8 IN THE TOWN.
                 6                            DAMAGE APPEARED TO BE CAUSED
                                             BY STRONG DOWNBURST OR
                                             STRAIT LINE WINDS.
Local storm report, Aug 9, 11:15 PM CDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1111 PM CDT SUN AUG 09 1992

STORM DATA FOR MINNEAPOLIS COUNTY AREAS OF RESPONSIBILITY ON  AUG 9

 TIME           COUNTY...LOCATION AND STATE   CHARACTER OF STORM...DAMAGE
................................................................................ 1030 CDT        EASTERN RUSK COUNTY OF      SEVERAL LARGE TREES DOWN IN
                 NORTHWEST WISCONSIN         THE TOWN OF TONY WHICH IS 4
                                             MILES EAST OF LADYSMITH.
                                             DOWNED TREES ARE BLOCKING
                                             HIGHWAY 8 IN THE TOWN.
             B                                DAMAGE APPEARED TO BE CAUSED
                                             BY STRONG DOWNBURST OR
                                             STRAIT LINE WINDS.
Special weather statement, Aug 9, 11:38 PM CDT, 1 hour 1 minute before
MNZ011>019-100600-

SPECIAL WEATHER STATMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1140 PM CDT SUN AUG 9 1992

...TORNADO WATCH NUMBER 742 NO LONGER IN EFFECT IN MINNESOTA...
THE MINNESOTA PORTION OF TORNADO WATCH NUMBER 742 HAS BEEN CANCELED.
NAISTAT
Special weather statement, Aug 9, 11:56 PM CDT, 43 minutes before
MNZ015>019-WIZ006-100545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS ST. PAUL MN
1150 PM CDT SUN AUG 9 1992

...STRONG THUNDERSTORMS MOVING ACROSS WEST CENTRAL WISCONSIN...

AT 1140 PM...RADAR INDICATED STRONG THUNDERSTORMS FROM RHINELANDER TO
NEAR EAU CLAIRE. THESE STRONG THUNDERSTORMS WERE MOVING TOWARD THE
SOUTHEAST AT 20 MPH. BY 1245 AM...THE LEADING EDGE OF THESE
THUNDERSTORMS WILL EXTEND FROM WAUSAU TO OSSEO. OSSEO IS ABOUT 25 MILES
SOUTHEAST OF EAU CLAIRE.

THESE STRONG THUNDERSTORMS CONTAIN DEADLY LIGHTNING...HEAVY RAIN...AND
OCCASIONALLY HAIL AND STRONG WINDS. REMEMBER A TORNADO WATCH IS IN
EFFECT FOR A LARGE PART OF WISCONSIN UNTIL 5 AM CDT MONDAY MORNIN\G.
NAISTAT

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 9:52 PM CDTTornado WarningMPXRusk53 min
Aug 10, 12:09 AM CDTSevere Thunderstorm WarningMPXEau Claire36 min
Aug 10, 12:49 AM CDTSevere Thunderstorm WarningMPXEau Claire41 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1992Every severe thunderstorm warning in 1992

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.