Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 28, NWS Twin Cities, MN

May 24, 1994Blue Earth County, Faribault County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 1994, 12:43 AM CDT for Blue Earth County, Faribault County, Minnesota. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
May 24, 1994, 12:43 AM CDT (05:43 UTC)
Expired
May 24, 1994, 1:15 AM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Blue Earth County, MN, Faribault County, MN

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.7 hours before the alert went out and 342 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, Omaha, NE at 00:00Z on 1994-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 540 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, Omaha, NE at 00:00Z on 1994-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 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
540 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
2649 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
92 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 KRST 240543 RRA
SVRRST
MNC013-043-240615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
1243 AM CDT TUE MAY 24 1994
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  115 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...SOUTHERN BLUE EARTH COUNTY...FARIBAULT COUNTY
 
...THIS WARNING INCLUDES THE TOWNS OF WINNEBAGO...BLUE EARTH...AND
MAPLETON...
 
AT 1235 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES SOUTHWEST
OF MANKATO NEAR WILLOW CREEK MOVING SOUTHEAST 40 MPH.  WINNEBAGO...BLUE 
R...AND MAPLETON ARE IN THE PATH OF THIS STORM AND CAN EXPECT DAMAGING
WIND AND LARGE HAIL.  GO TO YOUR BASEMENT OR AN INTERIOR ROOM AWAY FROM
WINDOWS.
 
A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT UNTIL 5AM CDT.
 
 
 
 
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.
 
 
 
&

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, May 23, 11:09 PM CDT, 1 hour 34 minutes before
MNZ042>044-046-048>051-054-058-064-240500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
1100 PM CDT MON MAY 23 1994

...SEVERE THUNDERSTORM WATCH FOR WEST AND SOUTH CENTRAL MINNESOTA
   UNTIL 5 AM CDT...

AT 1100 PM A LARGE AREA OF THUNDERSTORMS COVERED MUCH OF CENTRAL
MINNESOTA FROM BRAINERD TO MILLE LACS LAKE AND SOUTH TO THE TWIN
CITIES AND REDWOOD FALLS THEN UP TO ALEXANDRIA. THUNDERSTORMS IN THIS
AREA HAVE DECREASED IN INTENSITY SINCE 10 PM AND NO SEVERE WEATHER
HAS BEEN REPORTED EXCEPT IN THE REDWOOD FALLS AREA WHERE A SEVERE
THUNDERSTORM CONTINUES TO MOVE SOUTHEAST AT 25 MPH.

ADDITIONAL THUNDERSTORMS CONTINUE TO DEVELOP IN EASTERN SOUTH DAKOTA
AND WILL BE MOVING INTO WEST CENTRAL MINNESOTA WHERE THE POTENTIAL
FOR SEVERE WEATHER STILL EXISTS. PERSONS IN THESE AREAS SHOULD REMAIN
ALERT FOR ADVERSE WEATHER AND CONTINUE TO MONITOR NOAA WEATHER RADIO
AND LOCAL RADIO AND TV FOR POSSIBLE STATEMENTS OR WARNINGS.

RAY
Special weather statement, May 23, 11:50 PM CDT, 53 minutes before
MNZ060-061-062-240515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1150 PM CDT MON MAY 23 1994

AT 1145 PM THUNDERSTORMS HAD MOVED INTO NORTHERN HENNEPIN COUNTY. GUSTY
WINDS OF 25 TO 35 MPH WERE OBSERVED IN PLYMOUTH IN THE NORTHWEST PART OF
THE COUNTY. THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 TO 30 MPH.

A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT UNTIL 5 AM TUESDAY
MORNING FOR MUCH OF SOUTHERN MINNESOTA.  SEVERE THUNDERSTORMS WITH LARGE
HAIL AND STRONG DAMAGING WINDS WILL BE POSSIBLE.  PEOPLE SHOULD BE ALERT
FOR THUNDERSTORM ACTIVITY AND LISTEN TO THE MEDIA FOR POSSIBLE WARNINGS.

SCOTT

&
Special weather statement, May 23, 11:52 PM CDT, 51 minutes before
MNZ060-061-062-240515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1150 PM CDT MON MAY 23 1994

AT 1145 PM THUNDERSTORMS HAD MOVED INTO NORTHERN HENNEPIN COUNTY. GUSTY
WINDS OF 25 TO 35 MPH WERE OBSERVED IN PLYMOUTH IN THE NORTHWEST PART OF
THE COUNTY. THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 TO 30 MPH.

A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT UNTIL 5 AM TUESDAY
MORNING FOR MUCH OF SOUTHERN MINNESOTA.  SEVERE THUNDJERSTORMS WITH LARGE
HAIL AND STRONG DAMAGING WINDS WILL BE POSSIBLE.  PEOPLE SHOULD BE ALERT
FOR THUNDERSTORM ACTIVITY AND LISTEN TO THE MEDIA FOR POSSIBLE WARNINGS.

SCOTT

&
Special weather statement, May 24, 12:20 AM CDT, 23 minutes before
MNZ051>053-058>063-066>070-076>078-241000-

SPECIAL WEATHER STATEMENT...CORRECTION...ALSO CLEARING SHERBURNE
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1220 AM CDT TUE MAY 24 1994

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PART OF EAST CENTRAL
AND SOUTHEAST MINNESOTA...

THE NATIONAL WEATHER SERVICE HAS CLEARED THE FOLLOWING COUNTIES...

ANOKA     CARVER        CHISAGO     DAKOTA
HENNEPIN  ISANTI        MCLEOD      MEEKER
RAMSEY    SCOTT         SIBLEY      WASHINGTON
WRIGHT    GOODHUE       LE SEUER    RICE
SHERBURNE

SOME CITIES CLEARED FROM THE WATCH INCLUDE MINNEAPOLIS/ST PAUL...
RED WING AND HUTCHINSON.

THE REMAINDER OF THE WATCHES WILL CONTINUE UNTIL 5 AM.
Special weather statement, May 24, 12:21 AM CDT, 22 minutes before
MNZ052-053-058>063-066>070-076>078-241000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1220 AM CDT TUE MAY 24 1994

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PART OF EAST CENTRAL
AND SOUTHEAST MINNESOTA...

THE NATIONAL WEATHER SERVICE HAS CLEARED THE FOLLOWING COUNTIES...

ANOKA     CARVER        CHISAGO     DAKOTA
HENNEPIN  ISANTI        MCLEOD      MEEKER
RAMSEY    SCOTT         SIBLEY      WASHINGTON
WRIGHT    GOODHUE       LE SEUER    RICE

SOME CITIES CLEARED FROM THE WATCH INCLUDE MINNEAPOLIS/ST PAUL...
RED WING AND HUTCHINSON.

THE REMAINDER OF THE WATCHES WILL CONTINUE UNTIL 5 AM.
TDK
Special weather statement, May 24, 12:25 AM CDT, 18 minutes before
MNZ051>053-058>063-066>070-076>078-241000-

SPECIAL WEATHER STATEMENT...CORRECTION...ALSO CLEARING SHERBURNE
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1220 AM CDT TUE MAY 24 1994

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PART OF EAST CENTRAL
AND SOUTHEAST MINNESOTA...

THE NATIONAL WEATHER SERVICE HAS CLEARED THE FOLLOWING COUNTIES...

ANOKA     CARVER        CHISAGO     DAKOTA
HENNEPIN  ISANTI        MCLEOD      MEEKER
RAMSEY    SCOTT         SIBLEY      WASHINGTON
WRIGHT    GOODHUE       LE SEUER    RICE
SHERBURNE

SOME CITIES CLEARED FROM THE WATCH INCLUDE MINNEAPOLIS/ST PAUL...
RED WING AND HUTCHINSON.

THE REMAINDER OF THE WATCHES WILL CONTINUE UNTIL 5 AM.

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:45 PM CDTSevere Thunderstorm WarningMPXBig Stone60 min
May 23, 7:54 PM CDTSevere Thunderstorm WarningMPXBig Stone51 min
May 23, 8:43 PM CDTSevere Thunderstorm WarningMPXLac qui Parle47 min
May 23, 9:05 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift55 min
May 23, 9:38 PM CDTSevere Thunderstorm WarningMPXYellow Medicine52 min
May 23, 9:52 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns53 min
May 23, 10:02 PM CDTSevere Thunderstorm WarningMPXKandiyohi43 min
May 23, 10:07 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville53 min
May 23, 10:52 PM CDTSevere Thunderstorm WarningMPXRedwood38 min
May 23, 11:07 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet47 min
May 23, 11:38 PM CDTSevere Thunderstorm WarningMPXWatonwan52 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.