Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 201, NWS Twin Cities, MN

August 27, 1994Chippewa County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 1994, 8:26 PM CDT for Chippewa County, Wisconsin. It was in force for 19 min.

The area

The counties it named.

The facts

Issued
Aug 27, 1994, 8:26 PM CDT (01:26 UTC)
Expired
Aug 27, 1994, 8:45 PM CDT
In force
19 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Chippewa County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 1.4 hours before the alert went out and 184 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, Minneapolis, MN at 00:00Z on 1994-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1994-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.19395878Sfc1 km3 km6 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
1257 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 280131 RRA
SVRMSP
WIC017-280145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
826 PM CDT SAT AUG 27 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WISCONSIN
 
   ...EASTERN CHIPPEWA COUNTY
 
AT 800 PM...A SEVERE THUNDERSTORM WAS OVER CENTRAL CHIPPEWA COUNTY NEAR
BLOOMER AND EAGLETON. ONE INCH SIZE HAIL WAS REPORTED AT BLOOMER AT 8
PM.
 
THE SEVERE THUNDERSTORM WAS MOVING EAST AT 40 MPH AND WILL AFFECT THE
TOWNS OF JIM FALLS..CORNELL..AND BOYD THROUGH 845 PM.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE
OR NO WARNING.  STAY INDOORS...REMAIN CALM AND BE READY TO MOVE
QUICKLY TO THE BASEMENT.
 
 
 
&

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 27, 7:09 PM CDT, 1 hour 17 minutes before
MNZ060-062-063-069-070-WIZ014>016-023>028-280110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
709 PM CDT SAT AUG 27 1994

...SCATTERED THUNDERSTORMS OVER WEST CENTRAL WISCONSIN...
...TORNADO WATCH IN EFFECT UNTIL 10 PM...

AT 705 PM...SCATTERED THUNDERSTORMS WERE OVER WEST CENTRAL
WISCONSIN... MAINLY EAST OF A LINE FROM BALSAM LAKE TO PRESCOTT.  THE
STRONGEST THUNDERSTORM WAS NEAR THE TOWN OF REEVE OR ABOUT 20
MILES SOUTHWEST OF RICE LAKE.  THIS THUNDERSTORM WILL AFFECT THE TOWNS
OF DALLAS...CHETEK AND ISLAND LAKE THROUGH 8 PM. THERE HAVE BEEN NO
REPORTS OF SEVERE WEATHER WITH THESE THUNDERSTORMS.

THUNDERSTORMS HAD BECOME LESS NUMEROUS OVER EAST CENTRAL MINNESOTA.
ONLY ONE LONE THUNDERSTORM REMAINED OVER EASTERN DAKOTA COUNTY...NEAR
THE TOWNS OF ETTER AND MIESVILLE OR ABOUT 25 MILES SOUTHEAST OF
DOWNTOWN ST PAUL.  THIS THUNDERSTORM WILL PASS ACROSS NORTHERN GOODHUE
COUNTY AND EXIT MINNESOTA BY 8 PM.  FEW IS ANY SHOWERS OR THUNDERSTORMS
ARE EXPECTED IN THE TWIN CITIES METRO AREA AFTER 8 PM.

A TORNADO WATCH REMAINS IN EFFECT FOR THE ENTIRE AREA THROUGH 10 PM.

KAVINSKY
Special weather statement, Aug 27, 7:13 PM CDT, 1 hour 13 minutes before
MNZ060-062-063-069-070-WIZ014>016-023>028-280110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
709 PM CDT SAT AUG 27 1994

...SCATTERED THUNDERSTORMS OVER WEST CENTRAL WISCONSIN...
...TORNADO WATCH IN EFFECT UNTIL 10 PM...

AT 705 PM...SCATTERED THUNDERSTORMS WERE OVER WEST CENTRAL
WISCONSIN... MAINLY EAST OF A LINE FROM BALSAM LAKE TO PRESCOTT.  THE
STRONGEST THUNDERSTORM WAS NEAR THE TOWN OF REEVE OR ABOUT 20
MILES SOUTHWEST OF RICE LAKE.  THIS THUNDERSTORM WILL AFFECT THE TOWNS
OF DALLAS...CHETEK AND ISLAND LAKE THROUGH 8 PM. THERE HAVE BEEN NO
REPORTS OF SEVERE WEATHER WITH THESE THUNDERSTORMS.

THUNDERSTORMS HAD BECOME LESS NUMEROUS OVER EAST CENTRAL MINNESOTA.
ONLY ONE LONE THUNDERSTORM REMAINED OVER EASTERN DAKOTA COUNTY...NEAR
THE TOWNS OF ETTER AND MIESVILLE OR ABOUT 25 MILES SOUTHEAST OF
DOWNTOWN ST PAUL.  THIS THUNDERSTORM WILL PASS ACROSS NORTHERN GOODHUE
COUNTY AND EXIT MINNESOTA BY 8 PM.  F@EW IS ANY SHOWERS OR THUNDERSTORMS
ARE EXPECTED IN THE TWIN CITIES METRO AREA AFTER 8 PM.

A TORNADO WATCH REMAINS IN EFFECT FOR THE ENTIRE AREA THROUGH 10 PM.

KAVINSKY
Special weather statement, Aug 27, 7:40 PM CDT, 46 minutes before
MNZ050>053-059>063-067>070-075>077-083>086-092-093-280145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
740 PM CDT SAT AUG 27 1994

....MORE OF TORNADO WATCH NUMBER 781 CANCELED...

THE NATIONAL WEATHER SERVICE HAS CANCELED ADDITIONAL AREAS OF TORNADO
WATCH NUMBER 781. THE TORNADO WATCH IS NO LONGER IN EFFECT WEST OF
A LINE FROM THE TWIN CITIES TO ABOUT ALBERT LEA. THE TWIN
CITIES..MANKATO..FARIBAULT..AND WASECA ARE NO LONGER IN THE WATCH.

ROCHESTER..WINONA..AND AUSTIN REMAIN IN THE TORNADO WATCH UNTIL 10
PM.

THE COLD FRONT HAS MOVED THROUGH MINNESOTA EXCEPT THE NORTHEAST
AND SOUTHEAST CORNER OF THE STATE.
JPR

JPR
Special weather statement, Aug 27, 7:43 PM CDT, 43 minutes before
MNZ050>053-059>063-067>070-075>077-083>086-092-093-280145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
740 PM CDT SAT AUG 27 1994

....MORE OF TORNADO WATCH NUMBER 781 CANCELED...

THE NATIONAL WEATHER SERVICE HAS CANCELED ADDITIONAL AREAS OF TORNADO
WATCH NUMBER 781. THE TORNADO WATCH IS NO LONGER IN EFFECT WEST OF
A LINE FROM THE TWIN CITIES TO ABOUT ALBERT LEA. THE TWIN
CITIES..MANKATO..FARIBAULT..AND WASECA ARE NO LONGER IN THE WATCH.

ROCHESTER..WINONA..AND AUSTIN REMAIN IN THE TORNADO WATCH UNTIL 10
PM.

THE COLD FRONT HAS MOVED THROUGH MINNESOTA EXCEPT THE NORTHEAST
AND SOUTHEAST CORNER OF THE STATE.
JPR

JPR
Special weather statement, Aug 27, 7:46 PM CDT, 40 minutes before
WIZ014-015-016-023-024-025-026-027-028-280145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
746 PM CDT SAT AUG 27 1994

...STRONG THUNDERSTORMS APPROACHING EAU CLAIRE...

AT 750 PM...STRONG THUNDERSTORMS WERE APPROACHING WESTERN EAU CLAIRE
COUNTY FROM SOUTHERN DUNN AND PEPIN COUNTIES.  THIS THUNDERSTORM WAS
CENTERED ABOUT 10 MILES SOUTHEAST OF EAU CLAIRE NEAR THE TOWNS OF ROCK
FALLS AND CARYVILLE.  THIS THUNDERSTORM WILL CONTINUE MOVING TO THE EAST
AT 35 MPH AND WILL AFFECT EAU CLAIRE AND THE TOWNS OF FALL CREEK AND
AUGUSTA THROUGH 830 PM.

OTHER SCATTERED THUNDERSTORMS WERE OVER CHIPPEWA...DUNN...PIERCE AND
PEPIN COUNTIES OF WEST CENTRAL WISCONSIN.  LARGE HAIL AND DAMAGING WINDS
ARE POSSIBLE WITH THE STRONGER STORMS THIS EVENING.  A TORNADO WATCH
REMAINS IN EFFECT THROUGH 10 PM.

KAVINSKY
Special weather statement, Aug 27, 7:50 PM CDT, 36 minutes before
WIZ014-015-016-023-024-025-026-027-028-280145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
746 PM CDT SAT AUG 27 1994

...STRONG THUNDERSTORMS APPROACHING EAU CLAIRE...

AT 750 PM...STRONG THUNDERSTORMS WERE APPROACHING WESTERN EAU CLAIRE
COUNTY FROM SOUTHERN DUNN AND PEPIN COUNTIES.  THIS THUNDERSTORM WAS
CENTERED ABOUT 10 MILES SOUTHEAST OF EAU CLAIRE NEAR THE TOWNS OF ROCK
FALLS AND CARYVILLE.  THIS THUNDERSTORM WILL CONTINUE MOVING TO THE EAST
AT 35 MPH AND WILL AFFECT EAU CLAIRE AND THE TOWNS OF FALL CREEK AND
AUGUSTA THROUGH 830 PM.

OTHER SCATTERED THUNDERSTORMS WERE OVER CHIPPEWA...DUNN...PIERCE AND
PEPIN COUNTIES OF WEST CENTRAL WISCONSIN.  LARGE HAIL ANDl DAMAGING WINDS
ARE POSSIBLE WITH THE STRONGER STORMS THIS EVENING.  A TORNADO WATCH
REMAINS IN EFFECT THROUGH 10 PM.

KAVINSKY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 7:14 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn39 min
Aug 27, 7:14 PM CDTSevere Thunderstorm WarningMPXChippewa61 min
Aug 27, 8:01 PM CDTTornado WarningMPXPepin29 min
Aug 27, 8:37 PM CDTTornado WarningMPXEau Claire23 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.