Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 41, NWS Twin Cities, MN

June 4, 1994Le Sueur County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 4, 1994, 10:23 PM CDT for Le Sueur County, Minnesota. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1994, 10:23 PM CDT (03:23 UTC)
Expired
Jun 4, 1994, 11:00 PM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Le Sueur County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 3.4 hours before the alert went out and 54 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 1994-06-05Temperature 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 00:00Z on 1994-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
2290 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KRST 050324 RRA
SVRRST
MNC079-050400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MINNESOTA
ISSUED BY MINNEAPOLIS MN
1023 PM CDT SAT JUN 4 1994
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...LESUEUR COUNTY
 
AT 1023 PM...RADAR INDCIATED A SEVERE THUNDERSTORM NEAR THE TOWN OF
LEXINGTON...ABOUT 25 MILES NORTHEAST OF MANKATO. THE STORM WAS MOVING
EAST AT 15 TO 20 MILES AN HOUR AND WILL BE AFFECTING THE TOWNS OF
LEXINGTON THROUGH 1040 PM...AND WILL BE AFFECTING THE COMMUNITIES OF
MONTGOMERY AND LE CENTER THROUGH 10 55 PM.
 
LARGE HAIL IS LIKELY FROM THIS STORM.
 
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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 9:59 PM CDTSevere Thunderstorm WarningMPXLe Sueur46 min
Jun 4, 10:46 PM CDTSevere Thunderstorm WarningMPXRice44 min
Jun 4, 11:21 PM CDTSevere Thunderstorm WarningMPXYellow Medicine39 min
Jun 4, 11:26 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville49 min
Jun 5, 12:11 AM CDTSevere Thunderstorm WarningMPXGoodhue, Olmsted, Wabasha34 min
Jun 5, 12:11 AM CDTSevere Thunderstorm WarningMPXDodge34 min
Jun 5, 12:34 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet56 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.