Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 76, NWS Twin Cities, MN

June 25, 1994McLeod County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 25, 1994, 6:45 PM CDT for McLeod County, Minnesota. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 6:45 PM CDT (23:45 UTC)
Expired
Jun 25, 1994, 7:45 PM CDT
In force
60 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County McLeod County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.8 hours before the alert went out and 53 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 12:00Z on 1994-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 434 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1994-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
434 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMSP 252346
SVRMPX
MNC085-260045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
645 PM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...MCLEOD COUNTY
 
AT 640 PM RADAR INDICATED A SEVERE THUNDERSTORM IN THE NORTHWEST CORNER
OF MECLEOD COUNTY JUST NORTHWEST OF HUTCHINSON. THIS THUNDERSTORM HAS
THE HISTORY OF PRODUCING LARGE HAIL.
 
SOME CITIES IN THE PATH OF THIS SEVERE THUNDERSTORM ARE GLENCOE AND
BROWNTON. THE SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MPH.
 
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.
JPR

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, Jun 25, 5:55 PM CDT, 50 minutes before
MNZ052-053-WIZ014-023-252355-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
555 PM CDT SAT JUN 25 1994

THE SEVERE THUNDERSTORM WARNING THAT WAS IN EFFECT FOR SOUTHERN POLK
AND ALL OF ST. CROIX COUNTY WISCONSIN EXPIRED AT 545 PM.

NO OTHER REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED SINCE 515
PM. HOWEVER..STRONG THUNDERSTORMS REMAIN OVER WEST CENTRAL
WISCONSIN IN NORTHERN ST. CROIX COUNTY AND WESTERN POLK COUNTY.
THESE THUNDERSTORMS ARE LIKELY TO BE PRODUCING SOME HAIL AND
TORRETNIAL RAINS AS WELL.

IT APPEARS THAT THUNDERSTORMS WILL REMAIN IN THE AREA AT LEAST
THROUGH 630 PM AS THEY DRIFT SLOWLY SOUTHEAST.

PERSONS NEAR THE CITIES BALSAM LAKE..CLEAR LAKE AND GELNWOOD CITY CAN
EXPECT TORRETNIAL RAIN..HAIL AND FREQUENT LIGHTNING. THIS WOULD BE 40
MILES NORTHWEST OF EAU CLAIRE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
C^ROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

JPR
Special weather statement, Jun 25, 5:57 PM CDT, 48 minutes before
MNZ028>094-260000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
550 PM CDT SAT JUN 25 1994

...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND SOUTHERN MINNESOTA UNTIL
   10 PM...

AT 530 PM CDT...THUNDERSTORMS AND SHOWERS WERE SCATTERED OVER CENTRAL
AND SOUTH SECTIONS OF MINNESOTA.  THE STRONGER STORMS WERE PRODUCING VERY HEAVY
RAINS AND LARGE HAIL DOWN THROUGH CENTRAL AND EAST CENTRAL MINNESOTA.  THESE
STORMS LOCATED IN A LINE FROM MILLE LACS LAKE SOUTHEAST THROUGH MORA...TAYLORS
FALLS...IN MINNESOTA.  IN WISCONSIN...ST CROIX FALLS...PASSING BETWEEN AMERY ANDNEW RICHMOND TO JUST EAST OF ELMWOOD.  WITH THE HEAVY RAINS FROM THESE STORMS
PEOPLE SHOULD BE ON THE ALERT OF PONDING WATER IN LOW LYING AREAS...ESPECIALLY
ON ROADWAYS AND UNDER BRIDGE DECKS.  SOME STREET FLOODING IS ALSO POSSIBLE.

OTHER THUNDERSTORMS WERE LOCATED IN KANDIYOHI COUNTY JUST NORTHEAST OF WILLMAR
MINNESOTA.
THE PRECIPITATIrON AREA EXTENDS ACROSS MUCH OF CENTRAL MINNESOTA INTO
NORTHWEST AND WEST CENTRAL WISCONSIN.

MOVEMENT WAS EAST 30 TO 35 MPH.
DME
Special weather statement, Jun 25, 6:10 PM CDT, 35 minutes before
MNZ039>040-046>047-260300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
610 PM CDT SAT JUN 25 1994

...SEVERE THUNDERSTORM WATCH CLEARED FOR A VERY SMALL PART OF
WEST CENTRAL MINNESOTA...

THE FOLLOWING FOUR COUNTIES OF WEST CENTRAL MINNESOTA HAVE BEEN
CLEARED FROM THE WATCH...
BIG STONE...GRANT...STEVENS...TRAVERSE.  SOME CITIES CLEARED
INCLUDE WHEATON...ELBOW LAKE...MORRIS AND ORTONVILLE.

HOWEVER...THE SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM FOR
ALL OTHER COUNTIES IN THE ORIGINAL WATCH MESSAGE.  IN OTHER WORDS...
THE WATCH CONTINUES FOR AN AREA BOUNDED BY A LINE FROM ORTONVILLE
TO ALEXANDRIA...TO PINE CITY...TO AUSTIN AND THEN LUVERNE.

TDK
Special weather statement, Jun 25, 6:10 PM CDT, 35 minutes before
MNZ039>040-046>047-260300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
610 PM CDT SAT JUN 25 1994

...SEVERE THUNDERSTORM WATCH CLEARED FOR A VERY SMALL PART OF
WEST CENTRAL MINNESOTA...

THE FOLLOWING FOUR COUNTIES OF WEST CENTRAL MINNESOTA HAVE BEEN
CLEARED FROM THE WATCH...
BIG STONE...GRANT...STEVENS...TRAVERSE.  SOME CITIES CLEARED
INCLUDE WHEATON...ELBOW LAKE...MORRIS AND ORTONVILLE.

HOWEVER...THE SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM FOR
ALL OTHER COUNTIES IN THE ORIGINAL WATCH MESSAGE.  IN OTHER WORDS...
THE WATCH CONTINUES FOR AN AREA BOUNDED BY A LINE FROM ORTONVILLE
TO ALEXANDRIA...TO PINE CITY...TO AUSTIN AND THEN LUVERNE.

TDK
Special weather statement, Jun 25, 6:28 PM CDT, 17 minutes before
WIZ014-015-023-025-026-260130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
628 PM CDT SAT JUN 25 1994

AT 620 PM...RADAR INDICATED STRONG THUNDERSTORMS OVER SEVERAL AREAS OF
WEST CENTRAL WISCONSIN.

THUNDERSTORMS WITH VERY HEAVY RAIN..POSSIBLE
HAIL AND FREQUENT LIGHTNING WERE LOCATED IN SOUTHERN POLK AND NORTHERN
ST. CROIX COUNTY NEAR STAR PRAIRIE AND LITTLE FALLS.

OTHER THUNDERSTORMS WERE LOCATED IN DUNN COUNTY NEAR DOWNSVILLE..AND
MERIDIEAN..AND IN PEPIN COUNTY NEAR THE CITY OF DURAND. MOST OF THESE
STRONG THUNDERSTORMS WERE 25 TO 40 MILES WEST..NORTHWEST OF EAU CLAIRE.

TORRENTIAL RAINS..HAIL AND GUSTY WINDS CAN BE EXPECTED AS THESE
THUNDERSTORMS MOVE EAST SOUTHEAST AT 20 TO 25 MILES AN HOUR.

A ROAD WAS REPORTED WASHED OUT IN SOUTHERN ST. CROIX COUNTY NEAR STAR
PRAIRIE.

SOME OF THESE THUNDERSTORMS WERE MOVING OVER THE SAME AREAS AND MORE
AREAS OF LOCALIZED FLOODING ARE POSSIBLE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.
JPR
Special weather statement, Jun 25, 6:28 PM CDT, 17 minutes before
WIZ014-015-023-025-026-260130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
628 PM CDT SAT JUN 25 1994

AT 620 PM...RADAR INDICATED STRONG THUNDERSTORMS OVER SEVERAL AREAS OF
WEST CENTRAL WISCONSIN.

THUNDERSTORMS WITH VERY HEAVY RAIN..POSSIBLE
HAIL AND FREQUENT LIGHTNING WERE LOCATED IN SOUTHERN POLK AND NORTHERN
ST. CROIX COUNTY NEAR STAR PRAIRIE AND LITTLE FALLS.

OTHER THUNDERSTORMS WERE LOCATED IN DUNN COUNTY NEAR DOWNSVILLE..AND
MERIDIEAN..AND IN PEPIN COUNTY NEAR THE CITY OF DURAND. MOST OF THESE
STRONG THUNDERSTORMS WERE 25 TO 40 MILES WEST..NORTHWEST OF EAU CLAIRE.

TORRENTIAL RAINS..HAIL AND GUSTY WINDS CAN BE EXPECTED AS THESE
THUNDERSTORMS MOVE EAST SOUTHEAST AT 20 TO 25 MILES AN HOUR.

A ROAD WAS REPORTED WASHED OUT IN SOUTHERN ST. CROIX COUNTY NEAR STAR
PRAIRIE.

SOME OF THESE THUNDERSTORMS WERE MOVING OVER THE SAME AREAS AND MORE
AREAS OF LOCALIZED FLOODING ARE POSSIBLE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.
JPR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 3:31 PM CDTSevere Thunderstorm WarningMPXPope, Stearns59 min
Jun 25, 4:35 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne55 min
Jun 25, 4:50 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Swift40 min
Jun 25, 5:33 PM CDTSevere Thunderstorm WarningMPXKandiyohi57 min
Jun 25, 6:06 PM CDTSevere Thunderstorm WarningMPXMeeker54 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.