Alert archive / Iowa / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 252, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Aug 25, 2003, 8:31 PM CDT for Tama County, Iowa. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2003, 8:31 PM CDT (01:31 UTC)
- Expired
- Aug 25, 2003, 9:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Tama County, IA
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.5 hours before the alert went out and 181 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
- 2110 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1896 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KDMX 260131 SVRDMX IAC171-260215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 832 PM CDT MON AUG 25 2003 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TAMA COUNTY IN CENTRAL IOWA * UNTIL 915 PM CDT * AT 830 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTHEAST OF GARWIN...OR ABOUT 34 MILES SOUTHWEST OF WATERLOO...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR TOLEDO MUNICIPAL AIRPORT AROUND 835 PM... NEAR CLUTIER AROUND 855 PM AND NEAR ELBERON AROUND 905 PM. HAIL UP TO THE SIZE OF NICKELS IS LIKELY IN THE WARNED AREA. DAMAGING WINDS OF 60 TO 70 MILES AN HOUR ARE LIKELY IN THE WARNED AREA. MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS. IF YOU LIVE IN A MOBILE HOME...SEEK SHELTER IN A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MONDAY EVENING FOR NORTHERN IOWA. LAT...LON 4222 9277 4190 9276 4193 9232 4222 9231 KULA $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 41 min |
| Aug 25, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 34 min |
| Aug 25, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 28 min |
| Aug 25, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 7 min |
| Aug 25, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Marshall | 44 min |
| Aug 25, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 36 min |
| Aug 25, 8:24 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 66 min |
| Aug 25, 8:49 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 41 min |
| Aug 25, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 48 min |
| Aug 25, 9:26 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 34 min |
| Aug 25, 9:33 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 42 min |
| Aug 26, 4:03 AM CDT | Severe Thunderstorm Warning | DMX | Hardin, Story | 27 min |
| Aug 26, 6:03 AM CDT | Severe Thunderstorm Warning | DMX | Story | 42 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2003Every severe thunderstorm warning in 2003
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.