Alert archive / Iowa / Tornado Warnings in 1992
Tornado Warning 13, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jul 2, 1992, 9:50 AM CDT for Marshall County, Iowa. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1992, 9:50 AM CDT (14:50 UTC)
- Expired
- Jul 2, 1992, 10:15 AM CDT
- In force
- 25 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Marshall County, IA
The nearest sounding before it
Omaha, NE (KOVN), launched 12:00Z, 2.8 hours before the alert went out and 291 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 368 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 021454 TORDSM IAC169-IAC127-021515- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 950 AM CDT THU JUL 2 1992 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1030 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL IOWA ...SOUTHERN STORY COUNTY AND SOUTHERN MARSHALL AT 945 AM...DES MOINES RADAR INDICATED A TORNADO 5 MILES SOUTH OF NEVADA IN SOUTHERN STORY COUNTY OR 25 MILES NORTH NORTHEAST OF DES MOINES. THE TORNADO WAS MOVING EAST AT 45 MILES AN HOUR AND WILL AFFECT THE COMMUNITIES OF IOWA CENTER...RHOADES AND MELBOURNE PLUS RURAL AREAS. 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. MYERS
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 55 min |
| Jul 2, 1:14 AM CDT | Severe Thunderstorm Warning | DMX | Audubon | 61 min |
| Jul 2, 2:16 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 44 min |
| Jul 2, 9:11 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 34 min |
| Jul 2, 9:50 AM CDT | Tornado Warning | DMX | Story | 20 min |
| Jul 2, 9:56 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 34 min |
| Jul 2, 10:09 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 51 min |
| Jul 2, 10:21 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 24 min |
| Jul 2, 10:43 AM CDT | Severe Thunderstorm Warning | DMX | Benton | 42 min |
| Jul 2, 10:44 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 46 min |
| Jul 2, 10:44 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 23 min |
| Jul 2, 10:55 AM CDT | Severe Thunderstorm Warning | DMX | Keokuk | 43 min |
| Jul 2, 11:08 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 37 min |
| Jul 2, 11:30 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 30 min |
| Jul 2, 2:58 PM CDT | Tornado Warning | DMX | Mahaska | 32 min |
| Jul 2, 3:12 PM CDT | Tornado Warning | DMX | Keokuk, Wapello | 21 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.