Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 66, NWS Twin Cities, MN

June 19, 1994Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 19, 1994, 9:41 PM CDT for Morrison County, Todd County, Minnesota. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1994, 9:41 PM CDT (02:41 UTC)
Expired
Jun 19, 1994, 10:30 PM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Morrison County, MN, Todd County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 2.7 hours before the alert went out and 153 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 1994-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2615 joules per kilogram.LCLEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 1994-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
2615 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSTC 200241 RRA
SVRSTC
MNC097-153-200330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
941 PM CDT SUN JUN 19 1994
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...NORTHERN MORRISON COUNTY...NORTHERN TODD COUNTY
 
AT 940 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR WADENA IN WADENA
COUNTY MOVING TO THE SOUTHEAST 30 MPH. THESE STORMS WILL AFFECT THE
TOWNS OF EAGLE BEND...STAPLES AND BROWERVILLE IN TODD COUNTY AND
PILLAGER AND RANDALL IN MORRISON COUNTY.
 
 
 
IF OUTSIDE..FIND A STRONG BUILDING.  DO NOT SEEK SHELTER UNDER TREES.
STAY INDOORS AWAY FROM WINDOWS.  DO NOT USE ELECTRICAL APPLIANCES.
 
MCBEATH PETERS
 
NNNN

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 19, 8:12 PM CDT, 1 hour 29 minutes before
MNZ004>009-013>017-200215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
812 PM CDT SUN JUN 19 1994

....PORTION OF SEVERE THUNDERSTORM WATCH CANCELLED...

THE NATIONAL WEATHER SERVICE HAS CANCELLED A PORTION OF SEVERE
THUNDERTORM WATCH NUMBER 436. THE WATCH IS NO LONGER IN EFFECT
NORTHWEST OF A LINE FROM ABOUT INTERNATIONAL FALLS TO BEMIDJI..TO JUST
NORTH OF THE FARGO NORTH DAKOTA AREA.

THE STRONG LINE OF THUNDERSTORMS CONTINUES TO PROGRESS TO THE
SOUTHEAST AND SEVERE WEATHER IS NO LONGER EXPECTED IN ABOUT THE NORTH
THIRD OF THE WATCH AREA.

STRONG THUNDERSTORMS WITH THE POTENTIAL FOR VERY HEAVY RAIN AND
GUSTY WINDS WILL MOVE INTO PORTIONS OF CENTRAL MINNESOTA BETWEEN 10 PM
AND MIDNIGHT.

JPR
Special weather statement, Jun 19, 8:12 PM CDT, 1 hour 29 minutes before
MNZ004>009-013>017-200215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
812 PM CDT SUN JUN 19 1994

....PORTION OF SEVERE THUNDERSTORM WATCH CANCELLED...

THE NATIONAL WEATHER SERVICE HAS CANCELLED A PORTION OF SEVERE
THUNDERTORM WATCH NUMBER 436. THE WATCH IS NO LONGER IN EFFECT
NORTHWEST OF A LINE FROM ABOUT INTERNATIONAL FALLS TO BEMIDJI..TO JUST
NORTH OF THE FARGO NORTH DAKOTA AREA.

THE STRONG LINE OF THUNDERSTORMS CONTINUES TO PROGRESS TO THE
SOUTHEAST AND SEVERE WEATHER IS NO LONGER EXPECTED IN ABOUT THE NORTH
THIRD OF THE WATCH AREA.

STRONG THUNDERSTORMS WITH THE POTENTIAL FOR VERY HEAVY RAIN AND
GUSTY WINDS WILL MOVE INTO PORTIONS OF CENTRAL MINNESOTA BETWEEN 10 PM
AND MIDNIGHT.

JPR
Special weather statement, Jun 19, 8:48 PM CDT, 53 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-200250-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
848 PM CDT SUN JUN 19 1994

...STRONG THUNDERSTORMS OVER CENTRAL MINNESOTA AND EXTREME WESTERN
WISCONSIN...

AT 835 PM...STRONG THUNDERSTORMS WERE OCCURRING OVER CENTRAL MINNESOTA
AND EXTREME WESTERN WISCONSIN.  IN CENTRAL MINNESOTA...THE HEAVIEST
RAINFALL WAS OCCURRING BETWEEN LITCHFIELD AND COKATO...AND JUST SOUTH
OF HUTCHINSON.  THEY WERE MOVING TO THE NORTH AT 15 MILES AN HOUR
TOWARD ST CLOUD...WATKIN...ANNANDALE...AND HUTCHINSON.

IN WESTERN WISCONSIN...THE STRONG THUNDERSTORMS WERE JUST EAST OF THE
MISSISSIPPI RIVER FROM JUST SOUTH OF LA CROSSE...UP TO NEAR BLAIR.
THEY WERE MOVING TO THE NORTH AT 15 MILES AN HOUR.  THE CITY OF LA
CROSSE...AS WELL AS THE TOWNS OF GALESVILLE...NORTH BEND...HOLMAN...
AND BLAIR SHOULD BE AFFECTED BY THESE STORMS BETWEEN 845 PM AND 930 PM.

THE MAIN FEATURE OF THESE STRONG THUNDERSTORMS HAS BEEN VERY HEAVY
RAINFALL.  SOME PONDING OF WATER IN STREETS AND LOW LYING AREAS IS
POSSIBLE AS THESE THUNDERSTORMS MOVE THROUGH THE AREA.  SMALL HAIL...
STRONG GUSTY WINDS...AND LIGHTNING ARE ALSO TO BE EXPECTED.  THOSE
PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE
SHELTER.
KRAFT
Special weather statement, Jun 19, 8:48 PM CDT, 53 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-200250-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
848 PM CDT SUN JUN 19 1994

...STRONG THUNDERSTORMS OVER CENTRAL MINNESOTA AND EXTREME WESTERN
WISCONSIN...

AT 835 PM...STRONG THUNDERSTORMS WERE OCCURRING OVER CENTRAL MINNESOTA
AND EXTREME WESTERN WISCONSIN.  IN CENTRAL MINNESOTA...THE HEAVIEST
RAINFALL WAS OCCURRING BETWEEN LITCHFIELD AND COKATO...AND JUST SOUTH
OF HUTCHINSON.  THEY WERE MOVING TO THE NORTH AT 15 MILES AN HOUR
TOWARD ST CLOUD...WATKIN...ANNANDALE...AND HUTCHINSON.

IN WESTERN WISCONSIN...THE STRONG THUNDERSTORMS WERE JUST EAST OF THE
MISSISSIPPI RIVER FROM JUST SOUTH OF LA CROSSE...UP TO NEAR BLAIR.
THEY WERE MOVING TO THE NORTH AT 15 MILES AN HOUR.  THE CITY OF LA
CROSSE...AS WELL AS THE TOWNS OF GALESVILLE...NORTH BEND...HOLMAN...
AND BLAIR SHOULD BE AFFECTED BY THESE STORMS BETWEEN 845 PM AND 930 PM.

THE MAIN FEATURE OF THESE STRONG THUNDERSTORMS HAS BEEN VERY HEAVY
RAINFALL.  SOME PONDING OF WATER IN STREETS AND LOW LYING AREAS IS
POSSIBLE AS THESE THUNDERSTORMS MOVE THROUGH THE AREA.  SMALL HAIL...
STRONG GUSTY WINDS...AND LIGHTNING ARE ALSO TO BE EXPECTED.  THOSE
PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE
SHELTER.
KRAFT
Special weather statement, Jun 19, 8:50 PM CDT, 51 minutes before
MNZ042>044-046-048>051-054>058-064-200300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
850 PM CDT SUN JUN 19 1994

...THUNDERSTORMS CONTINUE TO MOVE THROUGH CENTRAL MINNESOTA...

AT 840 PM THE MEEKER COUNTY SHERIFF REPORTED PEA SIZE HAIL IN
LITCHFIELD AND HEAVY RAIN AND WIND GUSTS TO 30 MPH IN
FOREST CITY...25 MILES SOUTHWEST OF ST CLOUD. AT 845 PM RADAR
INDICATED STORMS LOCATED FROM SOUTHEASTERN STEARNS COUNTY TO
SOUTHWEST OF THE TWIN CITIES. THESE STORMS ARE MOVING TO THE
EAST NORTHEST AT 15 MPH AND SHOULD BE LOCATED FROM ST CLOUD TO
THE TWIN CITIES BY 930 PM.

THESE STORMS ARE CAPABLE OF PRODUCING HEAVY DOWNPOURS OF RAIN...WIND
GUSTS TO 50 MPH...DEADLY LIGHTNING AND SMALL HAIL.

DUE TO THE SLOW MOVEMENT OF THESE STORMS...PEOPLE SHOULD WATCH OUT
FOR POSSIBLE FLOODING OF LOW LYING AREAS AND PONDING ON ROADWAYS.

MCBEATH PETERS
Special weather statement, Jun 19, 8:50 PM CDT, 51 minutes before
MNZ042>044-046-048>051-054>058-064-200300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
850 PM CDT SUN JUN 19 1994

...THUNDERSTORMS CONTINUE TO MOVE THROUGH CENTRAL MINNESOTA...

AT 840 PM THE MEEKER COUNTY SHERIFF REPORTED PEA SIZE HAIL IN
LITCHFIELD AND HEAVY RAIN AND WIND GUSTS TO 30 MPH IN
FOREST CITY...25 MILES SOUTHWEST OF ST CLOUD. AT 845 PM RADAR
INDICATED STORMS LOCATED FROM SOUTHEASTERN STEARNS COUNTY TO
SOUTHWEST OF THE TWIN CITIES. THESE STORMS ARE MOVING TO THE
EAST NORTHEST AT 15 MPH AND SHOULD BE LOCATED FROM ST CLOUD TO
THE TWIN CITIES BY 930 PM.

THESE STORMS ARE CAPABLE OF PRODUCING HEAVY DOWNPOURS OF RAIN...WIND
GUSTS TO 50 MPH...DEADLY LIGHTNING AND SMALL HAIL.

DUE TO THE SLOW MOVEMENT OF THESE STORMS...PEOPLE SHOULD WATCH OUT
FOR POSSIBLE FLOODING OF LOW LYING AREAS AND PONDING ON ROADWAYS.

MCBEATH PETERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 1:44 PM CDTSevere Thunderstorm WarningMPXRedwood46 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.