Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 15, NWS Twin Cities, MN

May 23, 1994Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 1994, 7:14 AM CDT for Renville County, Minnesota. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
May 23, 1994, 7:14 AM CDT (12:14 UTC)
Expired
May 23, 1994, 8:00 AM CDT
In force
46 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Renville County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 0.2 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 1994-05-23Temperature 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 1994-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2059 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
143 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 231214
SVRMSP
MNC129-231300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
714 AM CDT MON MAY 23 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  800 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...EASTERN RENVILLE COUNTY
 
AT 713 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE TOWN OF
REDWOOD FALLS. THE STORM WAS MOVING TO THE EAST AT 25 MPH. THE STORM
WILL BE AFFECTING THE COMMUNITIES OF MORTON...FRANKLIN AND FAIRFAX.
THE STORM WILL REACH THE TOWN OF FAIRFAX BY 745 AM.
 
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/BAP

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, 5:16 AM CDT, 1 hour 58 minutes before
MNC127-231215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
516 AM CDT MON MAY 23 1994

...STRONG THUNDERSTORMS HEADING FOR REDWOOD COUNTY...

A LINE OF VERY STRONG THUNDERSTORMS WAS MOVING ACROSS YELLOW MEDICINE
AND LYON COUNTIES OF SOUTHWEST MINNESOTA.  THESE THUNDERSTORMS HAVE
PRODUCED HAIL IN EASTERN SOUTH DAKOTA.  AT 510 AM SOME OF THE STRONGER
STORMS WERE NEAR ST. LEO IN CENTRAL YELLOW MEDICINE COUNTY TO NEAR
MARSHALL IN LYON COUNTY.

THESE THUNDERSTORMS WILL BE APPROACHING WESTERN REDWOOD COUNTY BY 545 AM
SOME HAIL AND VERY GUSTY WINDS MAY MOVE INTO THE VESTA AND MILROY
AREAS OF NORTHWEST REDWOOD COUNTY.  MILROY AND VESTA ARE ABOUT 20 MILES
EAST OF MARSHALL.
PAULSON
Special weather statement, May 23, 5:16 AM CDT, 1 hour 58 minutes before
MNC127-231215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
516 AM CDT MON MAY 23 1994

...STRONG THUNDERSTORMS HEADING FOR REDWOOD COUNTY...

A LINE OF VERY STRONG THUNDERSTORMS WAS MOVING ACROSS YELLOW MEDICINE
AND LYON COUNTIES OF SOUTHWEST MINNESOTA.  THESE THUNDERSTORMS HAVE
PRODUCED HAIL IN EASTERN SOUTH DAKOTA.  AT 510 AM SOME OF THE STRONGER
STORMS WERE NEAR ST. LEO IN CENTRAL YELLOW MEDICINE COUNTY TO NEAR
MARSHALL IN LYON COUNTY.

THESE THUNDERSTORMS WILL BE APPROACHING WESTERN REDWOOD COUNTY BY 545 AM
SOME HAIL AND VERY GUSTY WINDS MAY MOVE INTO THE VESTA AND MILROY
AREAS OF NORTHWEST REDWOOD COUNTY.  MILROY AND VESTA ARE ABOUT 20 MILES
EAST OF MARSHALLh.
PAULSON
Special weather statement, May 23, 6:14 AM CDT, 1 hour before
MNZ042>044-046-048>051-054-058-064-231230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
614 AM CDT MON MAY 23 1994

...SEVERE THUNDERSTORM WARNING FOR LAC QUI PARLE AND YELLOW MEDICINE
COUNTIES HAS EXPIRED...

AT 600 AM RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM
CYRUS IN POPE COUNTY TO SOUTHEAST OF GRANITE FALLS. THESE STORMS WERE
MOVING TO THE EAST AT 25 MPH.

NO SEVERE WEATHER IS EXPECTED...HOWEVER THESE STORMS ARE CAPABLE OF
PRODUCING BRIEF HEAVY RAIN...DANGEROUS LIGHTNING...AND STRONG WINDS.

PEOPLE SHOULD BE PREPARED TO MOVE TO AN AREA OF SHELTER IF SEVERE
WEATHER DEVELOPS.
Special weather statement, May 23, 6:14 AM CDT, 1 hour before
MNZ042>044-046-048>051-054-058-064-231230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
614 AM CDT MON MAY 23 1994

...SEVERE THUNDERSTORM WARNING FOR LAC QUI PARLE AND YELLOW MEDICINE
COUNTIES HAS EXPIRED...

AT 600 AM RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM
CYRUS IN POPE COUNTY TO SOUTHEAST OF GRANITE FALLS. THESE STORMS WERE
MOVING TO THE EAST AT 25 MPH.

NO SEVERE WEATHER IS EXPECTED...HOWEVER THESE STORMS ARE CAPABLE OF
PRODUCING BRIEF HEAVY RAIN...DANGEROUS LIGHTNING...AND STRONG WINDS.

PEOPLE SHOULD BE PREPARED TO MOVE TO AN AREA OF SHELTER IF SEVERE
WEATHER DEVELOPS.
Special weather statement, May 23, 7:03 AM CDT, 11 minutes before
MNZ042>044-046-048>051-054-058-064-231300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
703 AM CDT MON MAY 23 1994

AT 700 AM RADAR INDICATED A LINE OF THUNDERSTORMS FROM JUST WEST OF
ST CLOUD TO LITCHFIELD TO REDWOOD FALLS. THESE STORMS WERE MOVING TO
THE EAST AT 25 MPH.

NO SEVERE WEATHER IS EXPECTED WITH THESE STORMS...HOWEVER THESE
STORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...DANGEROUS
LIGHTNING...SMALL HAIL AND GUSTY WINDS.

PEOPLE SHOULD BE PREPARED TO MOVE TO AN AREA OF SHELTER IF SEVERE
WEATHER DEVELOPS.

MCBEATH PETERS
Special weather statement, May 23, 7:03 AM CDT, 11 minutes before
MNZ042>044-046-048>051-054-058-064-231300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
703 AM CDT MON MAY 23 1994

AT 700 AM RADAR INDICATED A LINE OF THUNDERSTORMS FROM JUST WEST OF
ST CLOUD TO LITCHFIELD TO REDWOOD FALLS. THESE STORMS WERE MOVING TO
THE EAST AT 25 MPH.

NO SEVERE WEATHER IS EXPECTED WITH THESE STORMS...HOWEVER THESE
STORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...DANGEROUS
LIGHTNING...SMALL HAIL AND GUSTY WINDS.

PEOPLE SHOULD BE PREPARED TO MOVE TO AN AREA OF SHELTER IF SEVERE
WEATHER DEVELOPS.

MCBEATH PETERS

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 4:56 AM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine64 min
May 23, 10:51 AM CDTSevere Thunderstorm WarningMPXFreeborn39 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.