Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 206, NWS Twin Cities, MN

October 6, 1994Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 6, 1994, 8:28 PM CDT for Sibley County, Minnesota. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Oct 6, 1994, 8:28 PM CDT (01:28 UTC)
Expired
Oct 6, 1994, 9:15 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Sibley County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 1.5 hours before the alert went out and 58 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 KMSP 070129 RRA
SVRMSP
MNC143-070215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
828 PM CDT THU OCT 6 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...EASTERN SIBLEY COUNTY
 
AT 825 PM...RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES TO THE
NORTH OF MANKATO. SOME TOWNS IN THE PATH OF THE SEVERE THUNDERSTORM ARE
HENDERSON...GREEN ISLE...ARLINGTON AND RUSH RIVER.
 
MOVEMENT OF THE STORM WAS TO THE NORTH AT 55 MILES AN HOUR.
 
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.
 
 DWE

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, 7:03 PM CDT, 1 hour 25 minutes before
WIZ014-015-016-023-024-025-026-027-028-070200-

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

...STRONG THUNDERSTORMS MOVING INTO WEST CENTRAL WISCONSIN...

THUNDERSTORMS PRODUCING STRONG WINDS WERE MOVING INTO WEST CENTRAL
WISCONSIN. AT 7 PM...THE LEADING EDGE OF THE STORMS WAS LOCATED FROM
JUST WEST OF THE ST CROIX RIVER...NEAR ST CROIX FALLS AND HUDSON.
MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT NEARLY 50 MILES AN HOUR
AND SHOULD BE MOVING INTO THE WESTERN WISCONSIN COUNTIES OF POLK...
ST CROIX AND PIERCE...AND AFFECTING THE COMMUNITIES OF BALSAM LAKE...
NEW RICHMOND...BALDWIN AND ELLSWORTH BETWEEN 715 PM AND 830 PM.

THESE STORMS HAVE PRODUCED WINDS AROUND 50 MILES AN HOUR AS THEY MOVED
THROUGH EAST CENTRAL MINNESOTA.

  DWE
Special weather statement, Oct 6, 7:05 PM CDT, 1 hour 23 minutes before
WIZ014-015-016-023-024-025-026-027-028-070200-

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

...STRONG THUNDERSTORMS MOVING INTO WEST CENTRAL WISCONSIN...

THUNDERSTORMS PRODUCING STRONG WINDS WERE MOVING INTO WEST CENTRAL
WISCONSIN. AT 7 PM...THE LEADING EDGE OF THE STORMS WAS LOCATED FROM
JUST WEST OF THE ST CROIX RIVER...NEAR ST CROIX FALLS AND HUDSON.
MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT NEARLY 50 MILES AN HOUR
AND SHOULD BE MOVING INTO THE WESTERN WISCONSIN COUNTIES OF POLK...
ST CROIX AND PIERCE...AND AFFECTING THE COMMUNITIES OF BALSAM LAKE...
NEW RICHMOND...BALDWIN AND ELLSWORTH BETWEEN 715 PM AND 830 PM.

THESE STORMS HAVE PRODUCED WINDS AROUND 50 MILES AN HOUR AS THEY MOVED
THROUGH EAST CENTRAL MINNESOTA.

  DWE
Special weather statement, Oct 6, 7:45 PM CDT, 43 minutes before
MNZ042>044-046-048>051-054>058-064-070145-

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

...SEVERE THUNDERSTORM WATCH CENTRAL AND SOUTHERN MINNESOTA UNTIL
   MIDNIGHT CDT...

AT 740 PM RADAR INDICATED A LINE OF STRONG THUNDERSTORMS IN WEST
CENTRAL MINNESOTA...FROM FARWELL IN POPE COUNTY SOUTH TO MAYNARD
IN CHIPPEWA COUNTY. THIS LINE WAS MOVING EAST AT 15 MPH...HOWEVER
THE INDIVIDUAL STORMS WERE RAPIDLY MOVING NORTH AT 60 MPH.

THE LINE SHOULD EXTEND FROM ALEXANDRIA TO GLENWOOD TO REDWOOD
FALLS BY 845 PM.  PERSONS IN POPE...EASTERN SWIFT AND EASTERN
CHIPPEWA COUNTIES CAN EXPECT HEAVY RAIN AND NUMEROUS CLOUD TO
GROUND LIGHTNING STRIKES AS THESE STORMS MOVE THROUGH.

REMAIN INSIDE AND AWAY FROM WINDOWS UNTIL THESE STORMS HAVE PASSED.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES.

HAMEN

WSUS41KMKC.
Special weather statement, Oct 6, 7:47 PM CDT, 41 minutes before
MNZ042>044-046-048>051-054>058-064-070145-

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

...SEVERE THUNDERSTORM WATCH CENTRAL AND SOUTHERN MINNESOTA UNTIL
   MIDNIGHT CDT...

AT 740 PM RADAR INDICATED A LINE OF STRONG THUNDERSTORMS IN WEST
CENTRAL MINNESOTA...FROM FARWELL IN POPE COUNTY SOUTH TO MAYNARD
IN CHIPPEWA COUNTY. THIS LINE WAS MOVING EAST AT 15 MPH...HOWEVER
THE INDIVIDUAL STORMS WERE RAPIDLY MOVING NORTH AT 60 MPH.

THE LINE SHOULD EXTEND FROM ALEXANDRIA TO GLENWOOD TO REDWOOD
FALLS BY 845 PM.  PERSONS IN POPE...EASTERN SWIFT AND EASTERN
CHIPPEWA COUNTIES CAN EXPECT HEAVY RAIN AND NUMEROUS CLOUD TO
GROUND LIGHTNING STRIKES AS THESE STORMS MOVE THROUGH.

REMAIN INSIDE AND AWAY FROM WINDOWS UNTIL THESE STORMS HAVE PASSED.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES.

HAMEN
Special weather statement, Oct 6, 8:20 PM CDT, 8 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, 8:22 PM CDT, 6 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

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 8:54 PM CDTSevere Thunderstorm WarningMPXWaseca36 min
Oct 6, 9:13 PM CDTSevere Thunderstorm WarningMPXSteele34 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.