Alert archive / Iowa / Tornado Warnings in 1992

Tornado Warning 2, NWS Des Moines, IA

March 6, 1992Warren County, Iowa

NWS Des Moines, IA issued this tornado warning at Mar 6, 1992, 3:05 PM CST for Warren County, Iowa. It was in force for 11 min.

The area

The counties it named.

The facts

Issued
Mar 6, 1992, 3:05 PM CST (21:05 UTC)
Expired
Mar 6, 1992, 3:16 PM CST
In force
11 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Warren County, IA

The nearest sounding before it

Omaha, NE (KOVN), launched 12:00Z, 9.1 hours before the alert went out and 235 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 12:00Z on 1992-03-06Temperature 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, Omaha, NE at 12:00Z on 1992-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
569 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-18 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 KDSM 062106
TORDSM
IAC181-062130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
305 PM CST FRI MAR 6 1992
 
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL IOWA
 
   ...EASTERN WARREN COUNTY
 
AT 303 PM A FUNNELL CLOUD WAS REPORTED BY THE WARREN COUNTY SHERIFF ONE
MILE EAST OF LIBERTY CENTER OR ABOUT 30 MILES TO THE SOUTHEAST OF DES
MOINES.
 
THE TORNADO WAS MOVING TO THE NORTH AT 25 MILES AN HOUR.  SOME OF THE
CITIES INCLUDED IN THE WARNING ARE MILO...ACKWORTH AND SANDYVILLE.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER 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.
 
WEINBRECHT

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 6, 2:42 PM CSTTornado WarningDMXBoone15 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.