Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 62, NWS Sioux Falls, SD

July 1, 1992Murray County, Rock County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 1, 1992, 11:13 PM CDT for Murray County, Rock County, Minnesota. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1992, 11:13 PM CDT (04:13 UTC)
Expired
Jul 1, 1992, 11:38 PM CDT
In force
25 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Murray County, MN, Rock County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 4.2 hours before the alert went out and 223 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 00:00Z on 1992-07-02Temperature 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, Aberdeen, SD at 00:00Z on 1992-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
896 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
32 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 KFSD 020414
SVRFSD
MNC101-105-133-020500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1113 PM CDT WED JUL 1 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING COUNTIESS...
 
IN SOUTHWEST MINNESOTA
 
   ...SOUTHWESTERN MURRAY COUNTY...NOBLES COUNTY
   ...WESTERN ROCK COUNTY
 
SOME CITIES INCLUDED IN THIS WARNING ARE MAGNOLIA...ADRIAN...
WORTHINGTON AND FULDA.
 
AT 1110 PM CDT RADAR INDCATED A SEVERE THUNDERSTORM 20 MILES EAST OF
SIOUX FALLS JUST EAST OF HILLS MINNESOTA MOVING EAST AT 50 MPH. A
SECOND SEVERE THUNDERSTORM WAS 35 MILES NORTHEAST OF SIOUX FALLS
WEST OF WILMONT MINNESOTA MOVING NORTHEAST AT 40 MPH.
 
PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM
WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE
STORM HAS PASSED.  MOTORISTS...DON'T DRIVpE INTO FLOODED CROSSINGS.

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, Jul 1, 5:42 PM CDT, 5 hours 31 minutes before
MNZ017-012330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
540 PM CDT WED JUL  1 1992

...THUNDERSTORM WITH HEAVY RAIN AND SMALL HAIL IN SOUTHWEST MINNESOTA...

AT 535 PM CDT RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN AND
SMALL HAIL ABOUT 20 MILES EAST OF SIOUX FALLS NEAR HILLS MINNESOTA.
THE THUNDERSTORM WAS MOVING NORTHEAST AT 25 MPH.

RESIDENTS IN THE COMMUNITIES OF MAGNOLIA...KANARANZI...AND ADRIAN
MINNESOTA CAN EXPECT HEAVY RAIN AND AREAS OF HALF INCH HAIL BEFORE
630 PM CDT AS THE THUNDERSTORM MOVES NORTHEAST FROM SOUTHERN ROCK
COUNTY INTO WESTERN NOBLES COUNTY OF SOUTHWEST MINNESOTA.

UMLAND
Special weather statement, Jul 1, 10:44 PM CDT, 29 minutes before
IAZ020-021-031-032-043-NEZ096-020445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1043 PM CDT WED JUL 1 1992

...TORNADO WATCH FOR MONONA AND THURSTON COUNTIES UNTIL 4 AM THURSDAY
MORNING...

AT 1040 PM CDT A THUNDERSTORM WAS LOCATED MILES NORTH OF NORTH SIOUX
CITY...OR 10 MILES NORTH OF SIOUX CITY.  THIS STORM WAS MOVING TO THE
NORTHEAST AT 25 MILES AN HOUR.  THIS STORM WILL MOVE INTO MERRILL AND
HINTON IOWA BY 1115 PM.

ANOTHER THUNDERSTORM WAS LOCATED 10 MILES SOUTH OF BLENCOE IOWA...50
MILES SOUTH OF SIOUX CITY.  THIS STORM WAS ALSO MOVING TO THE
NORTHEAST AND WILL MOVE INTO MOORHEAD IOWA BY 1115 PM.

IF THREATENING WEATHER APPROACHES YOUR AREA...SEEK SHELTEgR
IMMEDIATELY.

IRELAND
Special weather statement, Jul 1, 10:46 PM CDT, 27 minutes before
IAZ020-021-031-032-043-NEZ096-020445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1043 PM CDT WED JUL 1 1992

...TORNADO WATCH FOR MONONA AND THURSTON COUNTIES UNTIL 4 AM THURSDAY
MORNING...

AT 1040 PM CDT A THUNDERSTORM WAS LOCATED 5 MILES NORTH OF NORTH SIOUX
CITY...OR 10 MILES NORTH OF SIOUX CITY.  THIS STORM WAS MOVING TO THE
NORTHEAST AT 25 MILES AN HOUR.  THIS STORM WILL MOVE INTO MERRILL AND
HINTON IOWA BY 1115 PM.

ANOTHER THUNDERSTORM WAS LOCATED 10 MILES SOUTH OF BLENCOE IOWA...50
MILES SOUTH OF SIOUX CITY.  THIS STORM WAS ALSO MOVING TO THE
NORTHEAST AND WILL MOVE INTO MOORHEAD IOWA BY 1115 PM.

IF THREATENING WEATHER APPROACHES YOUR AREA...SEEK SHELT:ER
IMMEDIATELY.
IRELAND

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 8:03 PM CDTSevere Thunderstorm WarningFSDNobles27 min
Jul 1, 10:34 PM CDTSevere Thunderstorm WarningFSDNobles, Rock41 min
Jul 1, 11:13 PM CDTSevere Thunderstorm WarningFSDNobles47 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1992Every severe thunderstorm warning in 1992

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.