Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 77, NWS Twin Cities, MN

June 25, 1994Anoka County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 25, 1994, 7:01 PM CDT for Anoka County, Washington County, Minnesota. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 7:01 PM CDT (00:01 UTC)
Expired
Jun 25, 1994, 7:28 PM CDT
In force
27 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Anoka County, MN, Washington County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 0.0 hours before the alert went out and 54 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 1994-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 435 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 00:00Z on 1994-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
435 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1437 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMSP 260008
SVRMPX
MNC003-163-260100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
701 PM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MINNESOTA
 
   ...EASTERN ANOKA COUNTY...NORTHERN WASHINGTON COUNTY
 
AT 700 PM..RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN ANOKA COUNTY
OR ABOUT 25 MILES NORTH OF DOWNTOWN ST. PAUL.
 
THE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MPH. SOME CITIES IN THE PATH
OF THE STIRM INCLUDE LINO LAKES..CENTERVILLE..FOREST LAKE..HUGO..AND
MARINE ON ST. CROIX.
 
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, 6:10 PM CDT, 51 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, 51 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, 33 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, 33 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, 6:55 PM CDT, 6 minutes before
MNZ039>041-046>048-054>056-064-071>072-097>098-260300-

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

...SEVERE THUNDERSTORM WATCH CLEARED FOR PART OF EXTREME WESTERN
MINNESOTA...

THE FOLLOWING TEN COUNTIES OF WESTERN MINNESOTA HAVE JUST BEEN
CLEARED FROM THE WATCH...CHIPPEWA...DOUGLAS...LAC QUI PARLE...
LINCOLN...LYON...PIPESTONE...POPE...ROCK...SWIFT...AND YELLOW MEDICINE.
THIS IS IN ADDITION TO THE FOUR COUNTIES CLEARED EARLIER...WHICH WERE
BIG STONE...GRANT...STEVENS AND TRAVERSE.

HOWEVER...THE SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM FOR
ALL OTHER COUNTIES IN THE ORIGINAL WATCH MESSAGE.  SPECIFICALLY...
THE WATCH CONTINUES FOR AN AREA BOUNDED BY A LINE FROM WORTHINGTON
TO LONG PRAIRIE...TO PINE CITY...TO AUSTIN.

TDK
Special weather statement, Jun 25, 6:56 PM CDT, 5 minutes before
MNZ039>041-046>048-054>056-064-071>072-097>098-260300-

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

...SEVERE THUNDERSTORM WATCH CLEARED FOR PART

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.