Alert archive / Iowa / Tornado Warnings in 1992

Tornado Warning 23, NWS Sioux Falls, SD

June 16, 1992O'Brien County, Iowa

NWS Sioux Falls, SD issued this tornado warning at Jun 16, 1992, 11:06 PM CDT for O'Brien County, Iowa. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1992, 11:06 PM CDT (04:06 UTC)
Expired
Jun 16, 1992, 11:30 PM CDT
In force
24 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County O'Brien County, IA

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 4.1 hours before the alert went out and 206 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, Omaha, NE at 00:00Z on 1992-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4794 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1992-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 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
4794 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1163 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
449 m²/s²
Significant tornado parameter
8.2
Supercell composite
39.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDSM 170406
TORSUX
IAC141-170500-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX CITY IA
ISSUED BY DES MOINES IA
1106 PM CDT TUE JUN 16 1992
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST IOWA
 
   ...OBRIEN COUNTY
 
AT 1104 PM...DES MOINES RADAR INDICATED A TORNADO JUST EAST OF PAULINA
IN SOUTHERN OBRIEN COUNTY...OR ABOUT 25 MILES SOUTHWEST OF SPENCER.
 
THE STORM WAS MOVING NORTHEAST AT 20 MILES AN HOUR.
 
COMMUNITIES AFFECTED BY THIS WARNING ARE PRIMGHAR...GAZA...HARTLEY AND
SUTHERLAND.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UN8DER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
MYERS

What forecasters said that day

The local office's own words before this tornado 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 16, 7:43 PM CDT, 3 hours 23 minutes before
SDZ012-015>020-160130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
740 PM CDT TUE JUN 16 1992

...TORNADO WATCH FOR EASTERN SOUTH DAKOTA THIS EVENING...

AT 735 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM
85 MILES SOUTHWEST OF SIOUX FALLS TO 100 MILES NORTHWEST OF SIOUX FALLS.
THIS LINE WAS MOVING NORTHEAST AT 35 MPH.

AHEAD OF THIS LINE...THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL
WERE DEVELOPING IN HUTCHINSON AND BON-HOMME COUNTIES OF SOUTH DAKOTA.
OTHER THUNDERSTORMS WITH VERY HEAVY RAIN AND HAIL WERE LOCATED IN
BROOKINGS COUNTY. THESE STORMS WERE ALSO MOVING NORTHEAST AT 35 MILES
PER AN HOUR.

AT THE CURRENT SPEED...THIS LINE WILL MOVE THROUGH THE CITY OF SIOUX
FALLS BETWEEN 9 PM AND 10 PM CDT.
<
SEVERAL REPORTS OF TORNADOES...LARGE HAIL...AND VERY HEAVY RAINS
HAVE BEEN RECEIVED BY THE NATIONAL WEATHER SERVICE DURING THE
EVENING.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE O{N THE LOOKOUT FOR
TORNADOES...LARGE HAIL...GUSTY WINDS...AND VERY HEAVY RAINS.
STAY TUNED TO RADIO OR TV FOR THE LATEST WEATHER DEVELOPMENTS.

GEELHART
Special weather statement, Jun 16, 8:36 PM CDT, 2 hours 30 minutes before
IAZ001-004-005-170215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
836 PM CDT TUE JUN 16 1992

...A TORNADO WATCH IS IN EFFECT FOR THE SIOUXLAND AREA UNTIL
11 PM CDT...

THUNDERSTORMS WERE BEGINNING TO DEVELOP SOUTH OF SIOUX CITY OR 5 MILES
SOUTH OF ONAWA IOWA AT 836 PM. MOVEMENT WAS NORTHEAST AT 40 MILES
AN HOUR.

IF THREATENING WEATHER APPROACHES YOU SHOULD BE PREPARED TO MOVE TO
A SAFE PLACE QUICKLY.

STAY TUNED TO YOUR NATIONAL WEATHER SERVICE OR YOUR LOCAL MEDIA
FOR THE LATEST STATEMENTS AND ADVISORIES.

HOPPES
Local storm report, Jun 16, 10:10 PM CDT, 56 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
2207 PM CDT TUE JUN 16 1992

TIME            EVENT AND LOCATION

2126 CDT   1/2 TO 1 INCH HAIL 2 MI WEST OF BERESFORD IN UNION COUNTY
           SOUTH DAKOTA...SPOTTER.
2148 CDT   PLYMOUTH COUNTY SHERIFF REPORTS MARBLE SIZE HAIL AT
           AKRON.  WALL CLOUD 9 MILES WEST OF LE MARS AND ANOTHER
           AT KINGSLEY.
2125 CDT   40 TO 50 MPH WIND GUSTS AT PONCA...DIXON COUNTY NEB.
2125 CDT   SIOUX CITY FAA CONTROL TOWER REPORTS CLASIC HOOK ECHO
           19 NORTHWEST OF SIOUX GATEWAY AIRPORT.
2118 CDT   SPOTTER REPORTS FUNNEL CLOUD N OF NEWCASTLE NEB.
2204 CDT   SPOTTER REPORTS FUNNEL CLOUD 2 SOUTHEAST OF SOLDIER
           IN MONONA CO IA.
J QUINN
Local storm report, Jun 16, 10:33 PM CDT, 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 PM CDT WED JUN 16 1992

STORM DATA FOR JUNE 16 1992

 TIME          COUNTY...LOCATION AND STATE   CHARACTER OF STORM...DAMAGE
.......................................................................

 901 PM CDT   PARKER...LENNOX SD             70 MPH WIND GUSTS
 905 PM CDT   MINNEHAHA...COLTON SD          ROOF TORN OFF 4 HOUSES...
                                             POSSIBLE TORNADO...POWER
                                             LINES DOWN
 916 PM CDT   BROOKINGS...BROOKINGS SD       FUNNEL CLOUD SOUTHWEST OF
                                             TOWN...VERY HEAVY RAIN...
                                             WIND GUSTS OVER 60MPH
 930 PM CDT   LINCOLN...2SE FAIRVIEW SD      POSSIBLE TORNADO
 948 PM CDT   MCCOOK...BRIDGEWATER SD        CHEMICAL BUILDING DES-
                                             TROYED...$300,000-400,000
                                             DAMAGE
 955 PM CDT   SIOUX...2S HULL IA             TORNADO ON GROUND
 1002 PM CDT  PIPESTONE...PIPESTONE MN       BARN AND SHED BLOWN DOWN
                                             IN NORTHEAST PART OF
                D                             COUNTY..POWER LINES DOWN

  GEELHART
Special weather statement, Jun 16, 10:38 PM CDT, 28 minutes before
SDZ012-015>020-MNZ017-170500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1040 PM CDT TUE JUN 16 1992

...TORNADO WATCH CANCELED IN EASTERN SOUTH DAKOTA...

THE TORNADO WATCH FOR EASTERN SOUTH DAKOTA HAS BEEN CANCELED.
SEVERE THUNDERSTORMS HAVE MOVED ON INTO IOWA AND MINNESOTA WHERE
TORNADO WATCHES REMAIN IN EFFECT.

UMLAND
Special weather statement, Jun 16, 10:59 PM CDT, 7 minutes before
SDZ004-005-011-012-170430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 PM CDT TUE JUN 16 1992

...FLOOD WATCH CACANCELED FOR PART OF NORTHEAST SOUTH DAKOTA...

THE FLOOD WATCH HAS BEEN CANCELLED FOR HAND...BEADLE...KINGSBURY...
SANBORN...MINER...JERAULD...SOUTHERN SPINK AND SOUTHERN CLARK COUNTIES
OF NORTHEAST/EASTCENTRAL SOUTH DAKOTA. THE HEAVY THUNDERSTORMS HAVE
MOVED OUT OF THESE COUNTIES AND THE THREAT OF FLOODING HAS SUBSIDED.

THE REMAINDER OF NORTHEAST SOUTH DAKOTA REMAINS IN THE FLOOD
WATCH UNTIL 1 AM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 9:16 PM CDTSevere Thunderstorm WarningFSDLyon, Sioux44 min
Jun 16, 9:34 PM CDTTornado WarningFSDLyon41 min
Jun 16, 10:00 PM CDTTornado WarningFSDSioux30 min
Jun 16, 10:16 PM CDTSevere Thunderstorm WarningFSDIda, Monona59 min
Jun 16, 10:18 PM CDTSevere Thunderstorm WarningFSDLyon17 min
Jun 16, 10:26 PM CDTSevere Thunderstorm WarningFSDPlymouth64 min
Jun 16, 10:51 PM CDTTornado WarningFSDIda24 min
Jun 16, 11:29 PM CDTSevere Thunderstorm WarningFSDMonona31 min

Nearby

Tornado Warnings in Iowa, 1992Every tornado warning in 1992Tornadoes 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.