Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 90, NWS Sioux Falls, SD

September 14, 1992Jackson County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Sep 14, 1992, 4:42 AM CDT for Jackson County, Minnesota. It was in force for 16 min.

The area

The counties it named.

The facts

Issued
Sep 14, 1992, 4:42 AM CDT (09:42 UTC)
Expired
Sep 14, 1992, 4:58 AM CDT
In force
16 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Jackson County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 9.7 hours before the alert went out and 180 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 1992-09-14Temperature 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, Minneapolis, MN at 00:00Z on 1992-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939587897Sfc1 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
1497 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
123 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 140942
SVRFSD
MNC063-141010-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
442 AM CDT MON SEP 14 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 510 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST MINNESOTA
 
   ...EASTERN JACKSON COUNTY
 
AT 440 AM CDT A SEVERE THUNDERSTORM PRODUCED GOLF BALL SIZED HAIL ABOUT
1 MILE EAST OF JACKSON MINNESOTA...OR ABOUT 30 MILES EAST OF
WORTHINGTON. THE STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR...AND
WILL MOVE OVER THE COMMUNITY OF ALPHA SHORTLY. THE STORM WILL
EXIT JACKSON COUNTY BY 510 AM CDT.
 
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 DRIVE INTO FLOODED CROSSINGS.
 
MENTZER

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, Sep 14, 1:10 AM CDT, 3 hours 32 minutes before
SDZ017-019-020>-140730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
110 AM CDT MON SEP 14 1992

...THUNDERSTORMS DEVELOP ACROSS SOUTHEAST SOUTH DAKOTA...

AT 1 AM CDT WEATHER RADAR INDICATED STRONG THUNDERSTORMS ACROSS
BON HOMME AND WESTERN YANKTON COUNTIES OF SOUTHEAST SOUTH DAKOTA.
THE STRONGEST STORM WAS LOCATED NEAR LESTERVILLE...OR ABOUT 15 MILES
NORTHWEST OF YANKTON. STORMS WERE MOVING TOWARD THE NORTHEAST AT 30
MILES AN HOUR.

FREQUENT...AND DANGEROUS...LIGHTNING WILL ACCOMPANY THESE STORMS.
SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS WILL ALSO OCCUR.
IF A THUNDERSTORM MOVES NEAR YOUR AREA...SEEK SHELTER IMMEDIATELY.

MENTZER
Special weather statement, Sep 14, 2:07 AM CDT, 2 hours 35 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-131730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
205 AM CDT MON SEP 14 1992

...STRONG THUNDERSTORMS WERE MOVING TOWARD THE SIOUXLAND AREA...

AT 2 AM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM
15 MILES NORTH OF BERESFORD SOUTH DAKOTA...65 MILES NORTHWEST OF
SIOUX CITY TO YANKTON SOUTH DAKOTA...60 MILES NORTHWEST OF SIOUX CITY.
THIS LINE OF THUNDERSTORMS CONTAINS VERY HEAVY RAIN...GUSTY WINDS...
DEADLY LIGHTNING AND POSSIBLY SOME SMALL HALL.

THE THUNDERSTORMS ARE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL
ENTER THE TOWNS OF BERESFORD AND VERMILLION SOUTH DAKOTA AROUND 3 AM
CDT.

IF A THUNDERSTORM MOVES $NEAR YOUR AREA...SEEK SHELTER IMMEDIATELY.
DO NOT USE ELECTRICAL EQUIPMENT OR THE TELEPHONE DURGING A THUNDERSTORM.
TANNER
Special weather statement, Sep 14, 2:33 AM CDT, 2 hours 9 minutes before
SDZ017-018-020>-140830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
233 AM CDT MON SEP 14 1992

...THUNDERSTORMS CONTINUE ACROSS SOUTHEAST SOUTH DAKOTA...

AT 215 AM CDT A STRONG THUNDERSTORM MOVED ACROSS THE COMMUNITY OF
WAKONDA...OR ABOUT 15 MILES NORTHEAST OF YANKTON. THIS STORM PRODUCED
WIND GUSTS TO 50 MILES AN HOUR AND MARBLE SIZED HAIL. FREQUENT LIGHTNING
AND HEAVY RAIN WERE ALSO REPORTED. AT 230 AM CDT RADAR CONTINUED TO
INDICATE STRONG THUNDERSTORMS OVER MOST OF SOUTHEAST SOUTH DAKOTA.
STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

FREQUENT...AND DANGEROUS...LIGHTNING WILL ACCOMPANY THESE STORMS.
HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS WILL ALSO OCCUR. lIF A
THUNDERSTORM MOVES NEAR YOUR AREA...SEEK SHELTER IMMEDIATELY.

MENTZER
Special weather statement, Sep 14, 3:01 AM CDT, 1 hour 41 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-131730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
3 AM CDT MON SEP 14 1992

...STRONG THUNDERSTORMS WERE MOVING INTO THE SIOUXLAND AREA...

AT 250 AM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM
ROCK VALLEY IOWA...50 MILES NORTH OF SIOUX CITY TO 25 MILES NORTH
OF NORFOLK NEBRASKA. THIS LINE OF THUNDERSTORMS IS PRODUCING VERY
HEAVY RAIN...GUSTY WINDS...DEADLY LIGHTNING AND SOME SMALL HAIL.

THE THUNDERSTORMS ARE MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL
ENTER THE TOWNS OF SIOUX CENTER IOWA AND JEFFERSON SOUTH DAKOTA BY
4 AM CDT.

IF A THUNDERSTORM MOVES NEAR YOUR AREA...SEEK SHELTER IMMEDIATELY.
DO NOT USE rELECTRICAL EQUIPMENT OR THE TELEPHONE DURGING A THUNDERSTORM.

TANNER
Special weather statement, Sep 14, 3:19 AM CDT, 1 hour 23 minutes before
MNZ017-140900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
319 AM CDT MON SEP 14 1992

AT 315 AM CDT RADAR INDICATED A STRONG THUNDERSTORM MOVING ACROSS
SOUTHWEST MINNESOTA. THE STORM WAS LOCATED ACROSS SOUTHERN NOBLES
COUNTY NEAR THE COMMUNITY OF ELLSWORTH...OR ABOUT 25 MILES SOUTHWEST
OF WORTHINGTON. THIS STORM HAS A HISTORY OF PRODUCING MARBLE SIZED
HAIL AND GUSTY WINDS. FREQUENT LIGHTNING AND BRIEF HEAVY RAIN HAVE
ALSO BEEN REPORTED WITH THIS STORM.

STORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR. THE STRONG STORM
WILL MOVE OVER WORTHINGTON ABOUT 345 AM CDT. PEOPLE IN SOUTHWEST
MINNESOTA SHOULD BE INSIDE A REINFORCED BUILDING AT THIS TIME.
REMEMBER THAT LIGHTNING IS VERY DANGEROUS.

MENTZER
Special weather statement, Sep 14, 4:37 AM CDT, 5 minutes before
MNZ017-141030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
438 AM CDT MON SEP 14 1992

...STRONG THUNDERSTORMS MOVE ACROSS SOUTHERN MINNESOTA...

AT 435 AM CDT STRONG THUNDERSTORMS WERE LOCATED ACROSS NOBLES AND
JACKSON COUNTIES IN MINNESOTA. AT 410 AM CDT A STORM PRODUCED STRONG
WINDS AND MARBLE SIZED HAIL WHICH COMPLETELY COVERED THE GROUND AT ROUND
LAKE MINNESOTA...OR ABOUT 10 MILES SOUTHEAST OF WORTHINGTON. AT 430 AM
CDT...PEA TO MARBLE SIZED HAIL FELL IN JACKSON MINNESOTA...OR ABOUT 30
MILES EAST OF WORTHINGTON.

THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR...AND WILL CONTINUE
TO MOVE ACROSS SOUTHWEST MINNESOTA THROUGH THE EARLY MORNING HOURS. IF A
THUNDERSTORM MOVES NEAR YOUR AREA...SEEK SHELTER IMMEDIATELY.

MENTZER

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.