Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 26, NWS Sioux Falls, SD

June 15, 1992Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 15, 1992, 10:19 PM CDT for Minnehaha County, South Dakota. It was in force for 41 min.

The area

The counties it named.

The facts

Issued: Jun 15, 1992, 10:19 PM CDT (03:19 UTC)
Expired: Jun 15, 1992, 11:00 PM CDT
In force: 41 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Minnehaha County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 3.3 hours before the alert went out and 187 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1328 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1311 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 393 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 160319
SVRFSD
SDC099-160400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1019 PM CDT MON JUN 15 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST SOUTH DAKOTA
 
   ...MINNEHAHA COUNTY
 
THIS WARNING INCLUDES THE CITIES OF SIOUX FALLS...BRANDON...HARTFORD AND
COLTON.
 
AT 1015 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR SIOUX FALLS
SOUTH DAKOTA MOVING NORTH NORTHEAST AT 35 MPH.
 
AT 1016 PM CDT THE WIND GUSTED TO 60 MPH AT SIOUX FALLS AIRPORT.
 
 
IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD GET TO A
REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS
OF 60 MPH...HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND HEAVY
RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMB!ER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
 
UMLAND

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 15, 9:41 PM CDT, 38 minutes before

SDZ011-012-160340-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
941 PM CDT MON JUN 15 1992

...TORNADO WATCH FOR SOUTHEAST SOUTH DAKOTA UNTIL 100 AM CDT...
...SEVERE THUNDERSTORM WATCH LARGE PART OF SOUTH DAKAOTA UNTIL 1000 PM CDT

AT 930 PM CDT...NUMEROUS THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...
HAIL AND GUSTY WINDS CONTINUED OVER PARTS OF EASTERN SOUTH DAKOTA.
THE STORMS WERE NORTHEAST OF A LINE FROM MOBRIDGE TO HURON TO NEAR
YANKTON.

THE STRONGEST THUNDERSTORMS WERE IN A 20 MILE WIDE LINE FROM THE NORTH
DAKOTA BORDER NORTHEAST OF ABERDEEN...TO NEAR BROOKINGS.

MOVEMENT WAS NORTH AT 30 MILES AN HOUR.

FREDERICK

Local storm report, Jun 15, 9:54 PM CDT, 25 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
954 PM CDT MON JUN 16 1992

TIME            EVENT AND LOCATION

855 PM CDT     SEVERAL ONE FOOT DIAMETER TREE LIMBS DOWN. SEVERAL
               POWER LINES DOWN. ONE HALF TO 3/4 INCH OF RAIN IN
               A SHORT PERIOD.

...TIME IS APPROXIMATE...

J QUINN

Local storm report, Jun 15, 9:56 PM CDT, 23 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
954 PM CDT MON JUN 16 1992

TIME            EVENT AND LOCATION

855 PM CDT     SEVERAL ONE FOOT DIAMETER TREE LIMBS DOWN. SEVERAL
          E     POWER LINES DOWN. ONE HALF TO 3/4 INCH OF RAIN IN
               A SHORT PERIOD. IN AND AROUND DIXON IN DIXON COUNTY
               NEBRASKA.

...TIME IS APPROXIMATE... CORRECTED FOR LOCATION...

J QUINN

Local storm report, Jun 15, 10:09 PM CDT, 10 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1008 PM CDT MON JUN 16 1992

TIME            EVENT AND LOCATION

945 PM CDT     AN 8 INCH DIAMETER TREE WAS BLOWN DOWN. SOME TREE LIMBS
        [       DOWN. MARBLE SIZE HAIL. HEAVY WIND. HEAVY RAIN. IN
               BERESFORD IN UNION COUNTY SOUTH DAKOTA.

...TIME IS APPROXIMATE...

J QUINN

Special weather statement, Jun 15, 10:10 PM CDT, 9 minutes before

IAZ001-004-005-160400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1009 PM CDT MON JUN 15 1992

...A TORNADO WATCH IS IN EFFECT FOR THE SIOUXLAND AREA UNTIL 1 AM CDT...

THE STRONGEST THUNDERSTORMS WERE LOCATED 30 MILES SOUTH OF SIOUX
CITY AT 1007 PM.  ELSEWHERE SCATTERED THUNDERSTORMS WERE LOCATED FROM
PENDER NEBRASKA TO 30 MILES NORTHEAST OF SIOUX CITY NEAR STRUBLE IOWA.
MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.

STRONG STORMS WILL BE POSSIBLE ACROSS THE SIOUXLAND AREA THIS EVENING.
IF THREATENING APPROACHES...YOU SHOULD MOVE TO A SAFE PLACE QUICKLY.

HOPPES

Special weather statement, Jun 15, 10:12 PM CDT, 7 minutes before

SDZ018-020-IAZ01-MNZ17-160330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1012 PM CDT MON JUN 15 1992

...SEVERE THUNDERSTORMS CONTINUE...

A SEVERE THUNDERSTORM WARNING CONTINUED IN EFFECT UNTIL 1045 PM CDT
FOR SIOUX COUNTY IOWA.  THE SEVERE THUNDERSTORM WARNINGS PREVIOUSLY
IN EFFECT FOR EASTERN YANKTON AND CLAY COUNTIES OF SOUTH DAKOTA...
LYON COUNTY IOWA...AND NOBLES COUNTY MINNESOTA HAVE BEEN ALLOWED TO
EXPIRE.

THE WEATHER IS VERY UNSTABLE AND PEOPLE IN SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...AND NORTHWEST IOWA SHOULD BE EXTREMELY
CAUTIOUS THROUGH 1 AM CDT.  A TORNADO WATCH CONTINUED IN EFFECT UNTIL
1 AM CDT FOR EXTREME SOUTHEAST SOUTH DAKOTA AND ADJOINING COUNTIES
OF NORTHWEST IOWA AND NORTHEAST NEBRASKA.

UMLAND

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 8:08 PM CDT	Severe Thunderstorm Warning	FSD	Moody	37 min
Jun 15, 9:22 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Yankton	53 min
Jun 15, 9:40 PM CDT	Tornado Warning	FSD	Union	15 min
Jun 15, 11:00 PM CDT	Severe Thunderstorm Warning	FSD	Moody	30 min
Jun 16, 1:03 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix	27 min
Jun 16, 1:10 PM CDT	Severe Thunderstorm Warning	FSD	Aurora	35 min
Jun 16, 1:54 PM CDT	Tornado Warning	FSD	Aurora, Davison	36 min
Jun 16, 2:32 PM CDT	Tornado Warning	FSD	Davison, Hanson	43 min
Jun 16, 4:33 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	57 min
Jun 16, 4:49 PM CDT	Tornado Warning	FSD	Brookings	41 min
Jun 16, 5:34 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	13 min
Jun 16, 5:58 PM CDT	Severe Thunderstorm Warning	FSD	Tripp	32 min
Jun 16, 6:30 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	30 min
Jun 16, 6:50 PM CDT	Severe Thunderstorm Warning	FSD	Gregory	25 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1992 Every 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.