Alert archive / Iowa / Tornado Warnings in 1992

Tornado Warning 22, NWS Sioux Falls, SD

June 16, 1992Ida County, Iowa

NWS Sioux Falls, SD issued this tornado warning at Jun 16, 1992, 10:51 PM CDT for Ida County, Iowa. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1992, 10:51 PM CDT (03:51 UTC)
Expired
Jun 16, 1992, 11:15 PM CDT
In force
24 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Ida County, IA

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 3.9 hours before the alert went out and 138 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 170351
TORSUX
IAC093-170415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SIOUX CITY IA
1051 PM CDT TUE JUN 16 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE WEST CENTRAL PART OF IOWA
      IDA

AT 1048 PM CDT A TORNADO WAS REPORTED BY AN IDA COUNTY HAM
OPERATOR SOUT OF IDA GROOVE. MOVEMENT WAS NORTH AT 30 MILES
AN HOUR.

THE STOMR IS MOVINTOWARD IDA GROVE.

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

HOPPES

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, 11:06 PM CDTTornado WarningFSDO'Brien24 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.