Alert archive / Iowa / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 49, NWS Sioux Falls, SD

June 16, 1992Ida County, Monona County, Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 16, 1992, 10:16 PM CDT for Ida County, Monona County, Iowa. It was in force for 59 min. 2 reports 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
Jun 16, 1992, 10:16 PM CDT (03:16 UTC)
Expired
Jun 16, 1992, 11:15 PM CDT
In force
59 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Ida County, IA, Monona County, IA

What was reported inside it

TimeReportWhereRemark
Jun 16, 10:48 PM CDTTornado F0Ida, IA
Jun 16, 11:01 PM CDTTornado F0Monona, IA

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

Omaha, NE (KOVN), launched 00:00Z, 3.3 hours before the alert went out and 113 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°0°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 KSUX 170316
SVRSUX
IAC093-133-170415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SIOUX CITY IA
1016 PM CDT TUE JUN 16 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE WEST CENTRAL PART OF IOWA
      SOUTHERN IDA...NORTHEAST MONONA

AT 1015 PM CDT A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTH
OF MAPLETON IOWA. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.

THE STORM WILL MOVE INTO IDA GROVE IOWA BEWTEEN 1045 AND 11 PM.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING...SO BE ON THE LOOKOUT. IF A
TORNADO IS SIGHTED GO TO A BASEMENT SHELTER OR INTERIOR ROOM ON
LOWEST FLOOR. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED
BUILDING.

ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR REPORTS
OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.

HOPPES

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 16, 7:18 PM CDT, 2 hours 58 minutes before
IAZ001-004-005-170115-

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

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

NO THUNDERSTORMS WERE IN THE SIOUXLAND AREA AT 717 PM. HOWEVER
THUNDERSTORMS ARE EXPECTED TO MOVE INTO WESTERN IOWA LATER THIS EVENING.
SOME STORMS WILL LIKELY PRODUCE DAMAGING WINDS..LARGE HAIL...AND
TORNADOES.

YOU SHOULD REVIEW SAFETY RULES SO YOU WILL KNOW WHAT ACTION TO TAKE
IF A TORNADO OR SEVERE THUNDERSTORM OCCURS OR A WARNING IS ISSUED.
STAY TUNED TO YOUR NATIONAL WEATHER SERVICE OR YOUR LOCAL MEDIA
FOR THE LATEST STATEMENTS AND ADVISORIES.

HOPPES
Local storm report, Jun 16, 7:24 PM CDT, 2 hours 52 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
720 PM CDT TUE JUN 16 1992

STORM DATA FOR TUESDAY JUNE 16 1992

 TIME          COUNTY                        CHARACTER OF STORM...DAMAGE
.......................................................................

700 PM         GREGORY                       BONESTEEL WIND GUST TO 60
                                             MPH DOWNED TREES AND
                                             SCHOOL ROOF.  1.12 INCHES
                                             RAIN IN LESS THAN 20 MIN.
                                             SOME GOLF BALL HAIL.

710PM          GREGORY                       HIGH LINE POWER LINES DOWN
               o                              WIND GREATER THAN 60 MPH.
Local storm report, Jun 16, 7:40 PM CDT, 2 hours 36 minutes before
STORM REPORT...CORRECTION TO INCLUDE TOWNS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
738 PM CDT TUE JUN 16 1992

STORM DATA FOR TUESDAY JUNE 16 1992

 TIME          COUNTY                        CHARACTER OF STORM...DAMAGE
.......................................................................

700 PM         GREGORY                       BONESTEEL WIND GUST TO 60
                                             MPH DOWNED TREES AND
                                             SCHOOL ROOF.  1.12 INCHES
                                             RAIN IN LESS THAN 20 MIN.
                                             SOME GOLF BALL HAIL.

710PM          GREGORY                       FAIRFAX...HIGH LINE POWER
                                             LINES DOWN..WIND TO 60 MPH.
Special weather statement, Jun 16, 7:43 PM CDT, 2 hours 33 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, 1 hour 40 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, 6 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

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, 10:18 PM CDTSevere Thunderstorm WarningFSDLyon17 min
Jun 16, 10:26 PM CDTSevere Thunderstorm WarningFSDPlymouth64 min
Jun 16, 10:51 PM CDTTornado WarningFSDIda24 min
Jun 16, 11:06 PM CDTTornado WarningFSDO'Brien24 min
Jun 16, 11:29 PM CDTSevere Thunderstorm WarningFSDMonona31 min

Nearby

Severe Thunderstorm Warnings in Iowa, 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.