Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 36, NWS Twin Cities, MN

May 30, 1994Pepin County, Pierce County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1994, 6:08 PM CDT for Pepin County, Pierce County, Wisconsin. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 30, 1994, 6:08 PM CDT (23:08 UTC)
Expired
May 30, 1994, 7:15 PM CDT
In force
67 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Pepin County, WI, Pierce County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.1 hours before the alert went out and 107 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 12:00Z on 1994-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1994-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1954 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 302313
SVRMSP
WIC091-093-310015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
608 PM CDT MON MAY 30 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...PEPIN COUNTY...EASTERN PIERCE COUNTY
 
AT 607 PM RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO PEPIN COUNTY
AND SOUTHEASTERN PIERCE COUNTY.  THE STORM WAS LOCATED OVER NORTHEAST
PIERCE COUNTY AND MOVING SOUTHEAST AT 30 MPH.  THIS WILL MOVE THE
SEVERE STORM TO THE TOWNS OF ARKANSAW AND DURAND BY 630 PM TO 7 PM.
 
THIS IS A DANGEROUS THUNDERSTORM THAT PRODUCED A TORNADO WHEN IT MOVED
THROUGH WOODVILLE IN SOUTHEASTERN ST CROIX COUNTY AND IS STILL CAPABLE
OF PRODUCING MORE TORNADOS.
 
IF YOU ARE IN THE PATH OF A SEVERE STORM...THE SAFEST PLACE IS A
BASEMENT.  STAY AWAY FROM WINDOWS AND DO NOT USE ELECTRICAL APPLIANCES
DURING A THUNDERSTORM.
 
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA.  REMEMBER THAT
SEVERE THUNDERSTORMS CAN AND OCCASIONALL DO PRODUCE A TORNADO.
 
JHM/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

Local storm report, May 30, 3:15 PM CDT, 2 hours 53 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
315 PM CDT MON MAY 30 1994

TIME          EVENTY

300 PM CDT    GOLF BALL SIZE HAIL NEAR BIG LAKE MN...SHERBURNE COUNTY
              WALL CLOUD NEAR BECKER IN SHERBURNE COUNTY.

300 PM CDT    DIME SIZE HAIL NEAR PRINCETON IN MILLE LACS COUNTY.

FRASER
Local storm report, May 30, 3:34 PM CDT, 2 hours 34 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
315 PM CDT MON MAY 30 1994

TIME          EVENTY

300 PM CDT    GOLF BALL SIZE HAIL NEAR BIG LAKE MN...SHERBURNE COUNTY
              WALL CLOUD N>EAR BECKER IN SHERBURNE COUNTY.

300 PM CDT    DIME SIZE HAIL NEAR PRINCETON IN MILLE LACS COUNTY.

FRASER
Special weather statement, May 30, 3:40 PM CDT, 2 hours 28 minutes before
MNZ042>043-046-048>051-054>058-064-302130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
340 PM CDT MON MAY 30 1994

...SEVERE THUNDERSTORM WARNING FOR SHERBURNE COUNTY CANCELLED...

THE SEVERE THUNDERSTORM THAT MOVED THROUGH SOUTHERN SHERBURNE
COUNTY HAS MOVED EAST.

THE STORM PRODUCED GOLF BALL SIZE HAIL NEAR BIG LAKE AND A WALL
CLOUD NEAR BECKER.

PORTIONS OF EAST CENTRAL MINNESOTA REMAIN IN A TORNADO WATCH UNTIL 10
PM. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF POSSIBLE
ADVERSE WEATHER CONDTIONS.

PARKIN
Special weather statement, May 30, 3:42 PM CDT, 2 hours 26 minutes before
MNZ042>043-046-048>051-054>058-064-302130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
340 PM CDT MON MAY 30 1994

...SEVERE THUNDERSTORM WARNING FOR SHERBURNE COUNTY CANCELLED...

THE SEVERE THUNDERSTORM THAT MOVED THROUGH SOUTHERN SHERBURNE
COUNTY HAS MOVED EAST.

THE STORM PRODUCED GOLF BALL SIZE HAIL NEAR BIG LAKE AND A WALL
CLOUD NEAR BECKER.

PORTIONS OF EAST CENTRAL MINNESOTA REMAjIN IN A TORNADO WATCH UNTIL 10
PM. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF POSSIBLE
ADVERSE WEATHER CONDTIONS.

PARKIN
Special weather statement, May 30, 5:38 PM CDT, 30 minutes before
MNZ004>096-310000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
540 PM CDT MON MAY 30 1994

SEVERE THUNDERSTORMS MOVED THROUGH EASTERN MINNESOTA LATE THIS AFTER-
NOON.  CONDITIONS HAVE STABILIZED OVER NORTHEAST MINNESOTA AND ALTHOUGH
THERE MAY BE SOME SHOWERS...SEVERE WEATHER IS NO LONGER EXPECTED NORTH
OF THE TWIN CITIES METRO AREA.  THE TORNADO WATCH THAT WAS IN EFFECT
FOR THIS AREA UNTIL 10 PM HAS BEEN CANCELLED.

THE TORNADO WATCH REMAINED IN EFFECT UNTIL 10 PM FOR SOUTHEAST
MINNESOTA...ROUGHLY BOUNDED BY A MINNEAPOLIS...WASECA...LA CRESCENT
LINE.  THE WATCH CONTINUED TO INCLUDE THE SOUTH TWIN CITES METRO AREA
...RED WING...ROCHESTER AND WINONA.

PEOPLE SHdOULD LISTEN TO WEATHER UPDATES ON THE MEDIA OR YOUR WEATHER
RADIO.
 SCOTT
Special weather statement, May 30, 5:40 PM CDT, 28 minutes before
MNZ004>096-310000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
540 PM CDT MON MAY 30 1994

SEVERE THUNDERSTORMS MOVED THROUGH EASTERN MINNESOTA LATE THIS AFTER-
NOON.  CONDITIONS HAVE STABILIZED OVER NORTHEAST MINNESOTA AND ALTHOUGH
THERE MAY BE SOME SHOWERS...SEVERE WEATHER IS NO LONGER EXPECTED NORTH
OF THE TWIN CITIES METRO AREA.  THE TORNADO WATCH THAT WAS IN EFFECT
FOR THIS AREA UNTIL 10 PM HAS BEEN CANCELLED.

THE TORNADO WATCH REMAINED IN EFFECT UNTIL 10 PM FOR SOUTHEAST
MINNESOTA...ROUGHLY BOUNDED BY A MINNEAPOLIS...WASECA...LA CRESCENT
LINE.  THE WATCH CONTINUED TO INCLUDE THE SOUTH TWIN CITES METRO AREA
...RED WING...ROCHESTER AND WINONA.

PEOPLE SHOULD LISTEN TO WEATHER UPDATES ON THE MEDIA OR YOUR WEATHER
RADIO.
 SCOTT

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 3:46 PM CDTSevere Thunderstorm WarningMPXPolk44 min
May 30, 4:06 PM CDTTornado WarningMPXPolk54 min
May 30, 4:27 PM CDTTornado WarningMPXSaint Croix48 min
May 30, 5:09 PM CDTTornado WarningMPXPierce, Saint Croix36 min
May 30, 5:22 PM CDTSevere Thunderstorm WarningMPXDunn68 min
May 30, 5:45 PM CDTTornado WarningMPXPierce, Saint Croix30 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 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.