Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 182, NWS Twin Cities, MN

August 23, 1994Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 1994, 5:54 PM CDT for Wright County, Minnesota. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Aug 23, 1994, 5:54 PM CDT (22:54 UTC)
Expired
Aug 23, 1994, 6:39 PM CDT
In force
45 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Wright County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 10.9 hours before the alert went out and 350 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, Aberdeen, SD at 12:00Z on 1994-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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, Aberdeen, SD at 12:00Z on 1994-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
82 J/kg
Mixed-layer CIN
-829 J/kg
Mixed-layer LCL
1515 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
183 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 
TTAA00 KMSP 232257 RRA
SVRMSP
MNC171-240000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
554 PM CDT TUE AUG 23 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...WRIGHT COUNTY
 
AT 554 PM RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO NORTHWEST
WRIGHT COUNTY NEAR THE TOWNS OF SOUTH HAVEN AND FRENCH LAKE...
WHICH ARE APPOXIMATELY 15 TO 20 MILES SOUTH OF ST CLOUD.
 
THIS STORM WAS MOVING TO THE EAST..SOUTHEAST AT 30 MILES AN HOUR.
CITIES IN THE PATH OF THIS STORM INCLUDE ANNANDALE...MAPLE LAKE...
BUFFALO...AND WEST ALBION.
 
THIS STORM PRODUCED WINDS TO 60 MPH BLOWING DOWN TREES IN THE TOWN OF
WATKINS...WHICH IS IN EXTREME NORTHERN MEEKER COUNTY.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE
OR NO WARNING.  STAY INDOORS...REMAIN CALM AND BE READY TO MOVE
QUICKLY TO THE BASEMENT.
 
BRIGHT/LUSSKY
 
 
&

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, Aug 23, 5:05 PM CDT, 49 minutes before
MNZ052-053-059-060-061-062-063-065-066-067-068-069-070-073-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
505 PM CDT TUE AUG 23 1994

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN MINNESOTA
UNTIL 11 PM CDT...

AT 503 PM A RAPIDLY DEVELOPING LINE OF STRONG TO SEVERE THUNDERSTORMS
EXTENDED FROM 45 MILES WEST OF ST CLOUD TO AROUND WILLMAR.  MOVEMENT OF
THIS LINE WAS TO THE EAST AT 30 MILES AN HOUR.

THESE STORMS WILL CONTINUE THEIR EASTWARD MOVEMENT REACHING THE WESTERN
SUBURBS OF THE TWIN CITIES AROUND 630 PM.  THIS IS A POTENTIALLY
DANGEROUS SITUATION WITH LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADOES POSSIBLE.

BE PREPARED TO MOVE TO A PLACE OF SAFETY THIS EVENING.  BOATERS ON AREA
LAKES...INCLUDING LAKE MINNETONKA...SHOULD BE PREPARED TO QUICKLY MOVE TSHORE.

STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE SEVERE
WEATHER WARNINGS.
DRB/CME
Special weather statement, Aug 23, 5:07 PM CDT, 47 minutes before
MNZ052-053-059-060-061-062-063-065-066-067-068-069-070-073-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
505 PM CDT TUE AUG 23 1994

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN MINNESOTA
UNTIL 11 PM CDT...

AT 503 PM A RAPIDLY DEVELOPING LINE OF STRONG TO SEVERE THUNDERSTORMS
EXTENDED FROM 45 MILES WEST OF ST CLOUD TO AROUND WILLMAR.  MOVEMENT OF
THIS LINE WAS TO THE EAST AT 30 MILES AN HOUR.

THESE STORMS WILL CONTINUE THEIR EASTWARD MOVEMENT REACHING THE WESTERN
SUBURBS OF THE TWIN CITIES AROUND 630 PM.  THIS IS A POTENTIALLY
DANGEROUS SITUATION WITH LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADOES POSSIBLE.

BE PREPARED TO MOVE TO A PLACE OF SAFETY THIS EVENING.  BOATERS ON AREA
LAKES...INCLUDING LAKE MINNETONKA...SHOULD BE PREPARED TO QUICKLY MOVE TSHORE.

STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE SEVERE
WEATHER WARNINGS.
DRB/CME
Local storm report, Aug 23, 5:39 PM CDT, 15 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
535 PM CDT AUG 23 1994

TIME          EVENT

503 PM        STEARNS CTY...MARBLE TO 3/4 INCH HAIL AT MELROSE...
              30 NW ST CLOUD. VSBY 1/4 IN HVY RAIN.

519 PM        STEARNS CTY...3/4 TO NICKEL SIZE HAIL AT PAYNESVILLE...
              30 SW ST CLOUD.

RAY
Special weather statement, Aug 23, 5:42 PM CDT, 12 minutes before
MNZ052-053-059-060-061-062-063-065-066-067-068-069-070-073-232345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
542 PM CDT TUE AUG 23 1994

AT 541 PM RADAR SHOWED A POTENTIALLY SEVERE THUNDERSTORM IN NORTHERN
MEEKER COUNTY...APPROXIMATELY 25 MILES SOUTHWEST OF ST CLOUD. THIS STORM
WAS MOVING TO THE EAST..SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO
WESTERN WRIGHT COUNTY AROUND 6 PM.

SOME CITIES THAT WILL BE EFFECTED BY THIS THUNDERSTORM ARE ANNANDALE
AND WEST ALBION.

RESIDENTS OF WRIGHT COUNTY SHOULD STAY TUNED FOR LATER STATEMENTS AND
POSSIBLE SEVERE WEATHER WARNINGS THIS EVENING. BE PREPARED TO MOVE TO A
PLACE OF SAFETY.

REMEMBER A TORNADO WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN
MINNESOTA UNTIL 11 PM CDT TONIGHT.  THIS MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS PRODUCING LARGE HAIL...DAMAGING WINDS...AND
ISOLATED TORNADOES.

DRB
Special weather statement, Aug 23, 5:44 PM CDT, 10 minutes before
MNZ052-053-059-060-061-062-063-065-066-067-068-069-070-073-232345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
542 PM CDT TUE AUG 23 1994

AT 541 PM RADAR SHOWED A POTENTIALLY SEVERE THUNDERSTORM IN NORTHERN
MEEKER COUNTY...APPROXIMATELY 25 MILES SOUTHWEST OF ST CLOUD. THIS STORM
WAS MOVING TO THE EAST..SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO
WESTERN WRIGHT COUNTY AROUND 6 PM.

SOME CITIES THAT WILL BE EFFECTED BY THIS THUNDERSTORM ARE ANNANDALE
AND WEST ALBION.

RESIDENTS OF WRIGHT COUNTY SHOULD STAY TUNED FOR LATER STATEMENTS AND
POSSIBLE SEVERE WEATHER WARNINGS THIS EVENING. BE PREPARED TO MOVE TO A
PLACE OF SAFETY.

REMEMBER A TORNADO WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN
MINNESOTA UNTIL 11 PM CDT TONIGHT.  THIS MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS PRODUCING LARGE HAIL...DAMAGING WINDS...AND
ISOLATED TORNADOES.

DRB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 5:03 PM CDTSevere Thunderstorm WarningMPXStearns42 min
Aug 23, 5:14 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker46 min
Aug 23, 6:49 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin41 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.