Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 59, NWS Sioux Falls, SD

July 1, 1992Nobles County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 1, 1992, 8:03 PM CDT for Nobles County, Minnesota. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 1, 1992, 8:03 PM CDT (01:03 UTC)
Expired
Jul 1, 1992, 8:30 PM CDT
In force
27 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Nobles County, MN

What was reported inside it

TimeReportWhereRemark
Jul 1, 8:10 PM CDTHail 1.75Nobles, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 1.1 hours before the alert went out and 251 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 020104
SVRFSD
MNC105-020130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
803 PM CDT WED JUL 1 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST MINNESOTA
 
   ...EASTERN NOBLES COUNTY
 
AT 800 PM CDT RADAR INDCIATED A SEVERE THUNDERSTORMS 10 MILES NORTHEAST
OF WORTHINGTON MINNESOTA. SOME CITIES INCLUDED IN THIS WARNING ARE
BREWSTER AND KINBRAE. THE THUNDERSTORM WAS MOVING TO THE NORTHNORTHEAST
AT 25 MPH. LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING ARE
POSSIBLE WITH THIS THUNDERSTORM.
 
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.
BEHREND

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, 3:02 PM CDT, 5 hours 1 minute before
SDZ015-016-017-019-012100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 PM CDT WED JUL 01 1992

...THUNDERSTORMS WITH VERY HEAVY RAIN EFFECTING PART OF SOUTH CENTRAL
SOUTH DAKOTA...

AT 250 PM CDT A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS LOCATED
FROM NEAR MITHCHELL SOUTH DAKOTA WEST SOUTHWEST TO STICKNEY TO PLATTE
TO ACADEMY TO DALLAS. THE LINE WAS ABOUT 10 MILES WIDE AND DRIFTING
SLOWLY NORTH. SINCE THE RAIN WAS MOVING SO SLOW...HEAVY RAINS UP TO 1
INCH IN ABOUT 1/2 HOUR IS LIKELY IN PLACES ALONG THE LINE. OTHER THAN
HEAVY RAIN...NO OTHER SEVERE WEATHER IS EXPECTED WITH THESE STORMS.

ADDITIONAL AREAS OF HEAVY RAINS ARE EXPECTED TO DEVELOP OVER THE SOUTH
HALF OF SOUTH DAKOTA THIS AFTERNOON AND CONTINUE TONIGHT.

KOSCIELSKI
Special weather statement, Jul 1, 5:42 PM CDT, 2 hours 21 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 10:34 PM CDTSevere Thunderstorm WarningFSDNobles, Rock41 min
Jul 1, 11:13 PM CDTSevere Thunderstorm WarningFSDNobles47 min
Jul 1, 11:13 PM CDTSevere Thunderstorm WarningFSDMurray, Rock25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.