Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 61, NWS Twin Cities, MN

June 14, 1994Benton County, Sherburne County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 14, 1994, 11:19 PM CDT for Benton County, Sherburne County, Stearns County, Minnesota. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1994, 11:19 PM CDT (04:19 UTC)
Expired
Jun 15, 1994, 12:15 AM CDT
In force
56 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Benton County, MN, Sherburne County, MN, Stearns County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 4.3 hours before the alert went out and 90 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 1994-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4090 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 1994-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
4090 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1595 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.9
Supercell composite
13.9

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSTC 150421 RRA
SVRSTC
MNC009-141-145-150515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MN
ISSUED BY MINNEAPOLIS MN
1119 PM CDT TUE JUN 14 1994
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...BENTON COUNTY...SHERBURNE COUNTY...EASTERN STEARNS COUNTY
 
AT 1117 PM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM ALBANY TO
COLD SPRING. THIS LINE OF SEVERE STORMS IS ABOUT 15 MILES WEST OF ST
CLOUD AND IS MOVING TO THE EAST AT 40 MPH.
 
CITIES IN THE PATH OF THIS STORM INCLUDE ST WENDEL...SAUK RAPIDS...
FOLEY...ST CLOUD...AND CLEAR LAKE.
 
 
 
WHEN SEVERE THUNDERSTORMS ARE OCCURRING...STAY INSIDE A STRONG
BUILDING.  PROTECT YOURSELF FROM DAMAGING WINDS OR HAIL BY
KEEPING AWAY FROM WINDOWS.  LISTEN TO YOUR RADIO OR TELEVISION...
BUT TURN OFF ALL OTHER ELECTRICAL APPLIANCES.  DO NOT USE THE
PHONE DURING PERIODS OF FREQUENT LIGHTNING.
 
DRB

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 14, 10:33 PM CDT, 46 minutes before
MNZ042>044-046-048>051-054>058-064-150415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
1030PM CDT TUE JUN 14 1994

...THUNDERSTORM OVER MILLE LACS LAKE...

AT 1030 PM A STRONG THUNDERSTORM WAS LOCATED OVER THE SOUTHERN
PORTION OF MILLE LACS LAKE. THIS STORM HAS THE CAPABILITY OF
PRODUCING HEAVY RAIN...GUSTY WINDS...FREQUENT LIGHTNING...AND
SMALL HAIL.

PERSONS IN THE VICINITY OF MILLE LACS LAKE SHOULD BE PREPARED
FOR ADVERSE WEATHER CONDITIONS. IF YOU ARE ON THE LAKE OR
OUTDOORS SEEK SHELTER.

PARKIN
Special weather statement, Jun 14, 10:33 PM CDT, 46 minutes before
MNZ042>044-046-048>051-054>058-064-150415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
1030PM CDT TUE JUN 14 1994

...THUNDERSTORM OVER MILLE LACS LAKE...

AT 1030 PM A STRONG THUNDERSTORM WAS LOCATED OVER THE SOUTHERN
PORTION OF MILLE LACS LAKE. THIS STORM HAS THE CAPABILITY OF
PRODUCING HEAVY RAIN...GUSTY WINDS...FREQUENT LIGHTNING...AND
SMALL HAIL.

PERSONS IN THE VICINITY OF MILLE LACS LAKE SHOULD BE PREPARED
FOR ADVERSE WEATHER CONDITIONS. IF YOU ARE ON THE LAKE OR
OUTDOORS SEEK SHELTER.

PARKIN
Special weather statement, Jun 14, 10:54 PM CDT, 25 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023>028-150600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1054 PM CDT TUE JUN 14 1994

...INTENSE THUNDERSTORMS REMAINING IN SOUTHWEST THROUGH CENTRAL
MINNESOTA...

AT 1050 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM OVER MARSHALL
AND MONTEVIDEO...OR ABOUT 20 MILES WEST OF REDWOOD FALLS TO DULUTH.  THE
LEADING EDGE OF THE STORMS WAS ABOUT 60 MILES TO THE NORTHWEST OF THE
TWIN CITIES.  THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH
AND WILL CONTINUE TO AFFECT MUCH OF SOUTHWEST THROUGH NORTHEAST
MINNESOTA THROUGH 3 AM.

DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND
HEAVY RAINFALL ARE LIKELY WITH SOME OF THESE THUNDERSTORMS.

THUNDERSTORMS ARE STILL POSSIBLE DURING THE NIGHT OVER THE REST OF EAST
CENTRAL AND SOUTHEAST MINNESOTA INTO WEST CENTRAL MINNESOTA.  A TORNADO
WATCH REMAINS IN EFFECT FOR PORTIONS OF EAST CENTRAL MINNESOTA INTO
WEST CENTRAL WISCONSIN THROUGH 2 AM.

THIS IS A POTENTIALLY DANGEROUS SITUATION.  STAY TUNED TO NOAA WEATHER
RADIO AND COMMERCIAL RADIO AND TELEVISION FOR THE LATEST FORECASTS AND
POSSIBLE WARNINGS FOR YOUR AREA.

KAVINSKY
Special weather statement, Jun 14, 10:55 PM CDT, 24 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023>028-150600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1054 PM CDT TUE JUN 14 1994

...INTENSE THUNDERSTORMS REMAINING IN SOUTHWEST THROUGH CENTRAL
MINNESOTA...

AT 1050 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM OVER MARSHALL
AND MONTEVIDEO...OR ABOUT 20 MILES WEST OF REDWOOD FALLS TO DULUTH.  THE
LEADING EDGE OF THE STORMS WAS ABOUT 60 MILES TO THE NORTHWEST OF THE
TWIN CITIES.  THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH
AND WILL CONTINUE TO AFFECT MUCH OF SOUTHWEST THROUGH NORTHEAST
MINNESOTA THROUGH 3 AM.

DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND
HEAVY RAINFALL ARE LIKELY WITH SOME OF THESE THUNDERSTORMS.

THUNDERSTORMS ARE STILL POSSIBLE DURING THE NIGHT OVER THE REST OF EAST
CENTRAL AND SOUTHEAST MINNESOTA INTO WEST CENTRAL MINNESOTA.  A TORNADO
WATCH REMAINS IN EFFECT FOR PORTIONS OF EAST CENTRAL MINNESOTA INTO
WEST CENTRAL WISCONSIN THROUGH 2 AM.

THIS IS A POTENTIALLY DANGEROUS SITUATION.  STAY TUNED TO NOAA WEATHER
RADIO AND COMMERCIAL RADIO AND TELEVISION FOR THE LATEST FORECASTS AND
POSSIBLE WARNINGS FOR YOUR AREA.

KAVINSKY
Local storm report, Jun 14, 11:12 PM CDT, 7 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1115 PM CDT TUE JUN 14 1994

TIME          EVENT                LOCATION

903 PM        TREES DOWN           NORTHERN WRIGHT COUNTY
   &                                CLEARWATER
Local storm report, Jun 14, 11:15 PM CDT, 4 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1115 PM CDT TUE JUN 14 1994

TIME          EVENT                LOCATION

903 PM        TREES DOWN           NORTHERN WRIGHT COUNTY
                                   CLEARWATER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:30 PM CDTSevere Thunderstorm WarningMPXMeeker45 min
Jun 14, 8:54 PM CDTSevere Thunderstorm WarningMPXWright51 min
Jun 14, 8:56 PM CDTSevere Thunderstorm WarningMPXSherburne49 min
Jun 14, 9:04 PM CDTSevere Thunderstorm WarningMPXChippewa, Yellow Medicine56 min
Jun 14, 9:26 PM CDTSevere Thunderstorm WarningMPXMille Lacs34 min
Jun 14, 9:33 PM CDTSevere Thunderstorm WarningMPXIsanti35 min
Jun 14, 9:48 PM CDTSevere Thunderstorm WarningMPXSwift57 min
Jun 14, 9:54 PM CDTSevere Thunderstorm WarningMPXRenville51 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.