Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 208, NWS Twin Cities, MN

October 6, 1994Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 6, 1994, 9:13 PM CDT for Steele County, Minnesota. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Oct 6, 1994, 9:13 PM CDT (02:13 UTC)
Expired
Oct 6, 1994, 9:47 PM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Steele County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 2.2 hours before the alert went out and 97 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 1994-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 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 1994-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 498 square meters per square second.19395878Sfc1 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
77 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
498 m²/s²
0-3 km storm-relative helicity
522 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 070215 RRA
SVRRST
MNC147-070300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
913 PM CDT THU OCT 6 1994
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...WESTERN STEELE COUNTY
 
THIS WARNING INCLUDES THE TOWNS OF OWATONNA...MERIDEN...AND DEERFIELD.
 
AT 901PM CDT A SEVERE THUNDERSTORM WAS REPORTED IN EASTERN WASECA
COUNTY MOVING RAPIDLY INTO THE WEST PART OF STEELE COUNTY.  THE TOWNS OF
MERIDEN AND DEERFIELD CAN EXPECT STORMS TO MOVE THROUGH BY 915PM.
THE STORM SHOULD BE NEAR OWATONNA BY 925PM.  GET AWAY FROM WINDOWS AND
GO TO YOUR BASEMENT TO PROTECT YOURSELF FROM DAMAGING WIND.
 
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.
 
SCS

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, Oct 6, 8:22 PM CDT, 51 minutes before
MNZ060>063-067>070-070215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
820 PM CDT THU OCT 6 1994

...MORE STORMS WITH GUSTY WINDS ARE MOVING INTO THE SOUTHWESTERN TWIN
CITIES METRO...

THUNDERSTORMS WITH GUSTS OF 50 OR 55 MPH WERE JUST BEGINNING TO MOVE
INTO THE SOUTHWESTERN PORTIONS OF THE TWIN CITIES METRO.  AT 815 PM...
THE STORMS WERE ALONG THE MINNESOTA RIVER...FROM JORDAN TO MANKATO.

MOVEMENT WAS RAPIDLY NORTHEAST AT 50 MPH.  GUSTS OF 50 OR 55 MPH CAN
BE EXPECTED...ENOUGH TO TAKE DOWN TWIGS AND SMALL BRANCHES.  SMALL HAIL
MAY ALSO OCCUR.

A NUMBER OF STORMS WILL MOVE THROUGH CITIES SUCH AS BELLE PLAINE...
SHAKOPEE...JORDAN AND CHASKA BY 9 PM...AND THEN THROUGH THE REST OF
THE TWIN CITIES METRO.
TDK
Special weather statement, Oct 6, 8:55 PM CDT, 18 minutes before
MNZ042>044-046-048>051-054>058-064-070245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
855 PM CDT THU OCT 6 1994

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT EAST OF A LINE FROM
   ALEXANDRIA TO REDWOOD FALLS TO FAIRMONT...

AT 850 PM RADAR INDICATED SHOWERS AND THUNDERSTORMS SCATTERED IN
A LINE FROM NORTHWEST TODD COUNTY TO SOUTH CENTRAL KANDIYOHI COUNTY.
THE STRONGEST STORM...NEAR OSAKIS IN SOUTHWEST TODD COUNTY...IS
CAPABLE OF PRODUCING BRIEF HEAVY RAIN...GUSTY WINDS FREQUENT
LIGHTNING.

THE LINE CONTINUES TO MOVE EAST AT 15 MPH...WHILE THE INDIVIDUAL
STORMS MOVE TO THE EAST NORTHEAST AT 60 MPH. PERSONS IN TODD AND
KANDIYOHI COUNTIES CAN EXPECT THESE STORMS THROUGH 1000 PM AND
SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING
WEATHER DEVELOPS.

HAMEN
Special weather statement, Oct 6, 8:58 PM CDT, 15 minutes before
MNZ042>044-046-048>051-054>058-064-070245-

SPECIAL WEATHER STATEMENT...CORRECTION FOR STORM MOVEMENT...
NATIONAL WEATHER SERVICE ST CLOUD MN
855 PM CDT THU OCT 6 1994

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT EAST OF A LINE FROM
   ALEXANDRIA TO REDWOOD FALLS TO FAIRMONT...

AT 850 PM RADAR INDICATED SHOWERS AND THUNDERSTORMS SCATTERED IN
A LINE FROM NORTHWEST TODD COUNTY TO SOUTH CENTRAL KANDIYOHI COUNTY.
THE STRONGEST STORM...NEAR OSAKIS IN SOUTHWEST TODD COUNTY...IS
CAPABLE OF PRODUCING BRIEF HEAVY RAIN...GUSTY WINDS AND FREQUENT
LIGHTNING.

THE LINE CONTINUES TO MOVE EAST AT 15 MPH...WHILE THE INDIVIDUAL
STORMS MOVE TO THE NORTH NORTHEAST AT 60 MPH. PERSONS IN TODD AND
KANDIxYOHI COUNTIES CAN EXPECT THESE STORMS THROUGH 1000 PM AND
SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING
WEATHER DEVELOPS.

HAMEN
Special weather statement, Oct 6, 9:10 PM CDT, 3 minutes before
MNZ052-053-060>063-068>070-070315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
910 PM CDT THU OCT 6 1994

...STRONG THUNDERSTORMS MOVING THROUGH THE WESTERN METRO...

AT 905 PM...AN OFF-DUTY NATIONAL WEATHER SERVICE EMPLOYEE
REPORTED GUSTS OF 50 MPH AND MARBLE SIZE HAIL IN CHANHASSEN...
OR ABOUT 20 MILES SOUTHWEST OF MINNEAPOLIS.

THE STORM WAS MOVING RAPIDLY NORTH AT 55 MPH...AND WILL MOVE
ACROSS THE LAKE MINNETONKA AREA...THROUGH PLYMOUTH...MAPLE
GROVE AND INTO ANOKA BY 945 PM.

TDK
Special weather statement, Oct 6, 9:12 PM CDT, 1 minute before
MNZ030>096-070315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
912 PM CDT THU OCT 6 1994

...STATUS ON SEVERE THUNDERSTORM WATCH NUMBER 836 IN MINNESOTA...

THE NATIONAL WEATHER SERVICE HAS REMOVED THE FOLLOWING MINNESOTA
COUNTIES FROM SEVERE THUNDERSTORM WATCH NUMBER 836...
STEVENS...YELLOW MEDICINE...LYON...MURRAY...COTTONWOOD...NOBLES...AND
JACKSON.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT ROUGHLY EAST OF A LINE
FROM FAIRMONT TO ALEXANDRIA...SOUTH OF A LINE FROM ALEXANDRIA TO
CAMBRIDGE...AND WEST OF A LINE FROM CAMBRIDGE TO ALBERT LEA.

THE ENTIRE TWIN CITIES METRO AREA REMAINS IN THE SEVERE THUNDERSTORM
WATCH UNTIL MIDNIGHT.
 NAISTAT
Special weather statement, Oct 6, 9:12 PM CDT, 1 minute before
MNZ030>096-070315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
912 PM CDT THU OCT 6 1994

...STATUS ON SEVERE THUNDERSTORM WATCH NUMBER 836 IN MINNESOTA...

THE NATIONAL WEATHER SERVICE HAS REMOVED THE FOLLOWING MINNESOTA
COUNTIES FROM SEVERE THUNDERSTORM WATCH NUMBER 836...
STEVENS...YELLOW MEDICINE...LYON...MURRAY...COTTONWOOD...NOBLES...AND
JACKSON.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT ROUGHLY EAST OF A LINE
FROM FAIRMONT TO ALEXANDRIA...SOUTH OF A LINE FROM ALEXANDRIA TO
CAMBRIDGE...AND WEST OF A LINE FROM CAMBRIDGE TO ALBERT LEA.

THE ENTIRE TWIN CITIES METRO AREA REMAINS IN THE SEVERE THUNDERSTORM
WATCH UNTIL MIDNIGHT.
 NAISTAT

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 8:28 PM CDTSevere Thunderstorm WarningMPXSibley47 min
Oct 6, 8:54 PM CDTSevere Thunderstorm WarningMPXWaseca36 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.