Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 15, NWS Twin Cities, MN

June 12, 1993Kandiyohi County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 12, 1993, 7:17 PM CDT for Kandiyohi County, Minnesota. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1993, 7:17 PM CDT (00:17 UTC)
Expired
Jun 12, 1993, 8:00 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Kandiyohi County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 0.3 hours before the alert went out and 115 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 1993-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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, Minneapolis, MN at 00:00Z on 1993-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
98 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1459 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
98 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 KSTC 130017 RRA
SVRSTC
MNC067-130100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
717 PM CDT SAT JUN 12 1993
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...KANDIYOHI COUNTY
 
AT 710 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM JUST TO THE WEST OF
WILLMAR. THIS DANGEROUS STORM WAS MOVING NORTH AT 15 MPH.
 
THE CITY OF SUNBURG AND THE SIBLEY CAMPGROUND IS IN THE PATH OF THIS
STORM.
 
 
 
IF OUTSIDE..FIND A STRONG BUILDING.  DO NOT SEEK SHELTER UNDER TREES.
STAY INDOORS AWAY FROM WINDOWS.  DO NOT USE ELECTRICAL APPLIANCES.
 
 
FRASER
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 12, 5:39 PM CDT, 1 hour 38 minutes before
WIZ003-006-MNZALL-122345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
539 PM CDT SAT JUN 12 1993

...VERY HEAVY RAINS LIKELY FOR SOUTHERN MINNESOTA...

STRONG THUNDERSTORMS WERE OCCURRING IN NORTHWEST IOWA...AND HAD ALREADY
BEGUN TO MOVE ACROSS THE MINNESOTA BORDER AT 530 PM.  THEY WERE SOUTH OF
A LINE FROM NEAR MARSHALL MINNESOTA TO FAIRMONT.  THESE THUNDERSTORMS
ARE EXPECTED TO PRODUCE VERY HEAVY RAINS DURING THE EVENING WHICH COULD
CAUSE SOME LOWLAND AND SMALL STREAM FLOODING.  IN ADDITION...THESE
STORMS ARE ALSO CAPABLE OF PRODUCING HAIL...FREQUENT LIGHTNING...AND
STRONG GUSTY WINDS.  MOVEMENT WAS TO THE NORTH AND NORTHEAST AT 15 TO 20
MPH.

PERSONS ENGAGED IN OUTDOOR ACTIVITIES...ESPECIALLY IN THE
MARSHALL...FAIRMONT AREA OF SOUTHWEST MINNESOTA...SHOULD BE READY TO
TAKE APPROPRIATE SAFETY PRECAUTIONS AGAINST THUNDERSTORMS AND POSSIBLE
FLOODING DURING THE NEXT FEW HOURS.

LIGHT RAINSHOWERS WERE OCCURRING OVER EXTREME WEST CENTRAL WISCONSIN
FROM NEAR SPOONER TO PLUM CITY.  MOVEMENT WAS TO THE NORTH AT 15 MPH.
KRAFT
Special weather statement, Jun 12, 5:40 PM CDT, 1 hour 37 minutes before
WIZ003-006-MNZALL-122345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
539 PM CDT SAT JUN 12 1993

...VERY HEAVY RAINS LIKELY FOR SOUTHERN MINNESOTA...

STRONG THUNDERSTORMS WERE OCCURRING IN NORTHWEST IOWA...AND HAD ALREADY
BEGUN TO MOVE ACROSS THE MINNESOTA BORDER AT 530 PM.  THEY WERE SOUTH OF
A LINE FROM NEAR MARSHALL MINNESOTA TO FAIRMONT.  THESE THUNDERSTORMS
ARE EXPECTED TO PRODUCE VERY HEAVY RAINS DURING THE EVENING WHICH COULD
CAUSE SOME LOWLAND AND SMALL STREAM FLOODING.  IN ADDITION...THESE
STORMS ARE ALSO CAPABLE OF PRODUCING HAIL...FREQUENT LIGHTNING...AND
STRONG GUSTY WINDS.  MOVEMENT WAS TO THE NORTH AND NORTHEAST AT 15 TO 20
MPH.

PERSONS ENGAGED IN OUTDOOR ACTIVITIES...ESPECIALLY IN THE
MARSHALL...FAIRMONT AREA OF SOUTHWEST MINNESOTA...SHOULD BE READY TO
TAKE APPROPRIATE SAFETY PRECAUTIONS AGAINST THUNDERSTORMS AND POSSIBLE
FLOODING DURING THE NEXT FEW HOURS.

LIGHT RAINSHOWERS WERE OCCURRING OVER EXTREME WEST CENTRAL WISCONSIN
FROM NEAR SPOONER TO PLUM CITY.  MOVEMENT WAS TO THE NORTH AT 15 MPH.
KRAFT
Special weather statement, Jun 12, 6:20 PM CDT, 57 minutes before
MNZ014-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
620 PM CDT SAT JUN 12 1993

...THUNDERSTORMS IN WEST-CENTRAL MINNESOTA...

AT 615 PM NUMEROUS THUNDERSTORMS HAD MOVED INTO WEST-CENTRAL MINNESOTA
GENERALLY NORTH OF THE MINNESOTA RIVER FROM GRANITE FALLS IN YELLOW
MEDICINE COUNTY TO ORTONVILLE IN BIG STONE COUNTY.  THE THUNDERSTORMS
WERE MOVING NORTHEAST AT 30 MPH.

NO SEVERE WEATHER IS EXPECTED FROM THESE THUNDERSTORMS BUT THEY CAN
PRODUCE SMALL HAIL...DEADLY LIGHTNING...GUSTY WINDS AND BRIEF HEAVY
RAINS.  BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.

FRASER
Special weather statement, Jun 12, 6:27 PM CDT, 50 minutes before
MNZ014-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
620 PM CDT SAT JUN 12 1993

...THUNDERSTORMS IN WEST-CENTRAL MINNESOTA...

AT 615 PM NUMEROUS THUNDERSTORMS HAD MOVED INTO WEST-CENTRAL MINNESOTA
GENERALLY NORTH OF THE MINNESOTA RIVER FROM GRANITE FALLS IN YELLOW
MEDICINE COUNTY TO ORTONVILLE IN BIG STONE COUNTY.  THE THUNDERSTORMS
WERE MOVING NORTHEAST AT 30 MPH.

NO SEVERE WEATHER IS EXPECTED FROM THESE THU`NDERSTORMS BUT THEY CAN
PRODUCE SMALL HAIL...DEADLY LIGHTNING...GUSTY WINDS AND BRIEF HEAVY
RAINS.  BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.

FRASER
Special weather statement, Jun 12, 6:41 PM CDT, 36 minutes before
WIZ003-006-MNZALL-130045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
641 PM CDT SAT JUN 12 1993

...THUNDERSTORMS DEVELOP RAPIDLY OVER SOUTH CENTRAL MINNESOTA...

THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPED RAPIDLY OVER SOUTH CENTRAL
MINNESOTA SINCE 530 PM.  THEY WERE WIDELY SCATTERED OVER SOUTHWEST AND
SOUTH CENTRAL MINNESOTA AT 630 PM...MAINLY TO THE WEST OF A LINE FROM
LITCHFIELD TO GLENCOE TO WINNEBAGO.

THE STRONGEST THUNDERSTORMS WERE LOCATED BETWEEN GLENCOE AND GRANITE
FALLS.  THESE STORMS MAY PRODUCE HAIL...STRONG GUSTY WINDS...AND
FREQUENT LIGHTNING STRIKES IN ADDITION TO VERY HEAVY RAIN.  MOVEMENT WAS
TO THE NORTH AT 15 MILES AN HOUR.

MORE THUNDERSTORMS ARE MOVING NORTHWARD FROM IOWA INTO THE  FAIRMONT
...ALBERT LEA AREA OF EXTREME SOUTH CENTRAL MINNESOTA.  SMALL STREAM AND
LOWLAND FLOODING IS POSSIBLE THIS EVENING IN THIS AREA.

PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE
SHELTER.
KRAFT
Special weather statement, Jun 12, 6:42 PM CDT, 35 minutes before
WIZ003-006-MNZALL-130045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
641 PM CDT SAT JUN 12 1993

...THUNDERSTORMS DEVELOP RAPIDLY OVER SOUTH CENTRAL MINNESOTA...

THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPED RAPIDLY OVER SOUTH CENTRAL
MINNESOTA SINCE 530 PM.  THEY WERE WIDELY SCATTERED OVER SOUTHWEST AND
SOUTH CENTRAL MINNESOTA AT 630 PM...MAINLY TO THE WEST OF A LINE FROM
LITCHFIELD TO GLENCOE TO WINNEBAGO.

THE STRONGEST THUNDERSTORMS WERE LOCATED BETWEEN GLENCOE AND GRANITE
FALLS.  THESE STORMS MAY PRODUCE HAIL...STRONG GUSTY WINDS...AND
FREQUENT LIGHTNING STRIKES IN ADDITION TO VERY HEAVY RAIN.  MOVEMENT WAS
TO THE NORTH AT 15 MILES AN HOUR.

MORE THUNDERSTORMS ARE MOVING NORTHWARD FROM IOWA INTO THE  FAIRMONT
...ALBERT LEA AREA OF EXTREME SOUTH CENTRAL MINNESOTA.  SMALL STREAM AND
LOWLAND FLOODING IS POSSIBLE THIS EVENING IN THIS AREA.

PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEKN SAFE
SHELTER.
KRAFT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:02 PM CDTSevere Thunderstorm WarningMPXPope, Stearns43 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.