Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 12, NWS Twin Cities, MN

June 7, 1993Lac qui Parle County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 1993, 6:01 PM CDT for Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1993, 6:01 PM CDT (23:01 UTC)
Expired
Jun 7, 1993, 7:00 PM CDT
In force
59 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Lac qui Parle County, MN, Yellow Medicine County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 11.0 hours before the alert went out and 188 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 1993-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Aberdeen, SD at 12:00Z on 1993-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 372 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
372 m²/s²
0-3 km storm-relative helicity
509 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTC 072301 RRA
SVRSTC
MNC073-173-080000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
601 PM CDT MON JUN 7 1993
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL MINNESOTA
 
   ...LAC QUI PARLE COUNTY...WESTERN YELLOW MEDICINE COUNTY
 
SOME CITIES IN THE PATH OF THESE DANGEROUS STORMS ARE CANBY..ST
LEO...PROVIDENCE...DAWSON AND MADISON.
 
AT 555 PM CDT RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS MOVING INTO
YELLOW MEDICINE AND LAC QUI PARLE COUNTIES OF WESTERN MINNESOTA.
 
 
IF OUTSIDE..FIND A STRONG BUILDIN~G.  DO NOT SEEK SHELTER UNDER TREES.
STAY INDOORS AWAY FROM WINDOWS.  DO NOT USE ELECTRICAL APPLIANCES.
 
 
 
NNNN

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, Jun 7, 5:26 PM CDT, 35 minutes before
MNZ015-016-072330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
530 PM CDT MON JUN 7 1993

...STRONG THUNDERSTORMS HEADING FOR THE SOUTHWEST SUBURBS OF THE TWIN
CITIES...

AT 520 PM CDT...STRONG THUNDERSTORMS WRE OVER EASTERN SIBLEY COUNTIES OR
ABOUT 30 MILES SOUTHWEST OF THE TWIN CITIES.

THESE THUNDERSTORMS WERE ABOUT TO ENTER CARVER COUNTY AND WILL LIKELY MOVE
INTO SOUTHWEST HENNEPIN COUNTY BY 6 PM. THESE THUNDERSTORMS
A@RE CAPABLE OF PRODUCING HAIL..GUSTY WINDS OF 50 MPH AND VERY HEAVY
RAIN.

THESE THUNDERSTORMS WILL AFFECT THE CITIES OF WACONIA..CHASKA AND THE LAKE
MINNETONKA AREA BETWEEN 530 PM AND 600 PM.
JPR
Special weather statement, Jun 7, 5:30 PM CDT, 31 minutes before
MNZ015-016-072330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
530 PM CDT MON JUN 7 1993

...STRONG THUNDERSTORMS HEADING FOR THE SOUTHWEST SUBURBS OF THE TWIN
CITIES...

AT 520 PM CDT...STRONG THUNDERSTORMS WRE OVER EASTERN SIBLEY COUNTIES OR
ABOUT 30 MILES SOUTHWEST OF THE TWIN CITIES.

THESE THUNDERSTORMS WERE ABOUT TO ENTER CARVER COUNTY AND WILL LIKELY MOVE
INTO SOUTHWEST HENNEPIN COUNTY BY 6 PM. THESE THUNDERSTORMS
ARE CAPABLE OF PRODUCING HAIL..GUSTY WINDS OF 50 MPH AND VERY HEAVY
RAIN.

THESE THUNDERSTORMS WILL AFFECT THE CITIES OF WACONIA..CHASKA AND THE LAKE
MINNETONKA AREA BETWEEN 530 PM AND 600 PM.
JPR
Special weather statement, Jun 7, 5:30 PM CDT, 31 minutes before
MNZ014-013-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
530 PM CDT MON JUN 7 1993

...SEVERE THUNDERSTORM WARNINGS EXPIRED...

THE SEVERE THUNDERSTORM WARNING FOR KANDIYOHI AND MEEKER COUNTIES HAVE
EXPIRED AT 530 PM.

MARBLE SIZE HAIL WAS REPORTED AT 445 PM NEAR LAKE LILLIAN WHICH IS 15
MILES SOUTHEAST OF WILLMAR. THE SEVERE THUNDERSTORMS DIMINISHED AS THEY
MOVED NORTHEAST INTO STEARNS COUNTY.

RAY
Special weather statement, Jun 7, 5:36 PM CDT, 25 minutes before
MNZ014-013-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
530 PM CDT MON JUN 7 1993

...SEVERE THUNDERSTORM WARNINGS EXPIRED...

THE SEVERE THUNDERSTORM WARNING FOR KANDIYOHI AND MEEKER COUNTIES HAVE
EXPIRED AT 530 PM.

MARBLE SIZE HAIL WAS REPORTED AT 445 PM NEAR LAKE LILLIAN WHICH IS 15
MILES SOUTHEAST OF WILLMAR. THE SEVERE THUNDERSTORMS DIMINISHED AS THEY
MOVED NORTHEAST INTO STEARNS COUNTY.

RAY
Special weather statement, Jun 7, 5:55 PM CDT, 6 minutes before
MNZ015-016-070030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
555 PM CDT MON JUN 7 1993

...STRONG THUNDERSTORMS ACROSS THE WEST SUBURBS OF THE TWIN CITIES...

AT 545 PM CDT...STRONG THUNDERSTORMS WERE STRETCHED ACROSS THE WESTERN
SUBURBS OF THE TWIN CITIES FROM LAKE MINNETONKA TO SHAKOPEE. PEA TO MARBLE
SIZE HAIL WAS REPORTED WITHIN THE LAST 15 MINUTES FROM THE LAKE MINNETONKA
AREA TO CHASKA AND CHANHASSEN. THESE THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 35 MILES AN HOUR AND SHOULD MOVE ACROSS THE MAINLY THE NORTHERN
SUBURBS OF THE TWIN CITIES BETWEEN 6 PM AND 630 PM.

ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE LOCATED ACROSS PARTS OF CENTRAL
AND SOUTHERN MINNESOTA AND EXTREME WESTERN WISCONSIN. THEY WERE SCATTERED
SOUTH OF A LINE FROM ALEXANDRIA MINNESOTA TO MONDOVI WISCONSIN. MOVEMENT
WAS TO THE NORTHEAST AT 35 MILES AN HOUR.

MBM
Special weather statement, Jun 7, 5:55 PM CDT, 6 minutes before
MNZ015-016-070030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
555 PM CDT MON JUN 7 1993

...STRONG THUNDERSTORMS ACROSS THE WEST SUBURBS OF THE TWIN CITIES...

AT 545 PM CDT...STRONG THUNDERSTORMS WERE STRETCHED ACROSS THE WESTERN
SUBURBS OF THE TWIN CITIES FROM LAKE MINNETONKA TO SHAKOPEE. PEA TO MARBLE
SIZE HAIL WAS REPORTED WITHIN THE LAST 15 MINUTES FROM THE LAKE MINNETONKA
AREA TO CHASKA AND CHANHASSEN. THESE THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 35 MILES AN HOUR AND SHOULD MOVE ACROSS THE MAINLY THE NORTHERN
SUBURBS OF THE TWIN CITIES BETWEEN 6 PM AND 630 PM.

ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE LOCATED ACROSS PARTS OF CENTRAL
AND SOUTHERN MINNESOTA AND EXTREME WESTERN WISCONSIN. THEY WERE SCATTERED
SOUTH OF A LINE FROM ALEXANDRIA MINNESOTA TO MONDOVI WISCONSIN. MOVEMENT
WAS TO THE NORTHEAST AT 35 MILES AN HOUR.

MBM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:49 AM CDTSevere Thunderstorm WarningMPXMartin56 min
Jun 7, 6:30 AM CDTSevere Thunderstorm WarningMPXFreeborn30 min
Jun 7, 4:15 PM CDTSevere Thunderstorm WarningMPXRenville45 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993

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.