Alert archive / Iowa / Tornado Warnings in 2003
Tornado Warning 9, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 10, 2003, 5:29 PM CDT for Appanoose County, Davis County, Iowa. It was in force for 46 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
- May 10, 2003, 5:29 PM CDT (22:29 UTC)
- Expired
- May 10, 2003, 6:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
Counties Appanoose County, IA, Davis County, IA
The radar
The Des Moines radar (KDMX), 137 km from the middle of the area, began a volume at 22:33 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 10, 3:50 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.5 hours before the alert went out and 215 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
- 1102 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
151 WFUS53 KDMX 102229 TORDMX IAC007-051-102315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 529 PM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN APPANOOSE COUNTY IN SOUTH CENTRAL IOWA WESTERN DAVIS COUNTY IN SOUTHEAST IOWA * UNTIL 615 PM CDT * AT 523 PM...RADAR INDICATED A THUNDERSTORM WITH A HISTORY OF TORNADOES 5 MILES SOUTH OF CINCINNATI...OR ABOUT 40 MILES SOUTHWEST OF OTTUMWA...MOVING NORTHEAST AT 40 MPH. * THE STORM WILL BE... 9 MILES SOUTHEAST OF CENTERVILLE AROUND 535 PM... NEAR MOULTON AROUND 540 PM... 8 MILES SOUTHEAST OF UDELL AROUND 545 PM... 9 MILES SOUTHEAST OF UNIONVILLE AROUND 550 PM AND NEAR DRAKESVILLE AROUND 600 PM. THIS IS A HAZARDOUS SITUATION. SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE OUTSIDE OR IN A CAR...SEEK SHELTER IN A REINFORCED BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM SATURDAY EVENING FOR EASTERN IOWA. LAT...LON 4076 9295 4059 9309 4060 9244 4091 9242 JOHNSON/SMALL $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 36 min |
| May 10, 4:25 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 50 min |
| May 10, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 48 min |
| May 10, 4:46 PM CDT | Tornado Warning | DMX | Appanoose, Wayne | 44 min |
| May 10, 4:48 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 27 min |
| May 10, 5:11 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Wapello | 34 min |
| May 10, 5:17 PM CDT | Tornado Warning | DMX | Marion | 28 min |
| May 10, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 29 min |
| May 10, 5:43 PM CDT | Tornado Warning | DMX | Mahaska | 32 min |
| May 10, 5:49 PM CDT | Tornado Warning | DMX | Poweshiek | 26 min |
| May 10, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 33 min |
| May 10, 5:58 PM CDT | Tornado Warning | DMX | Davis | 47 min |
| May 10, 6:07 PM CDT | Tornado Warning | DMX | Wapello | 38 min |
| May 10, 6:12 PM CDT | Tornado Warning | DMX | Appanoose, Davis | 33 min |
| May 10, 6:14 PM CDT | Tornado Warning | DMX | Poweshiek | 31 min |
| May 10, 6:22 PM CDT | Tornado Warning | DMX | Tama | 23 min |
| May 10, 6:33 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 27 min |
| May 10, 6:44 PM CDT | Tornado Warning | DMX | Davis | 46 min |
| May 10, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 23 min |
| May 10, 6:54 PM CDT | Tornado Warning | DMX | Bremer | 36 min |
Nearby
Tornado Warnings in Iowa, 2003Every tornado warning in 2003Tornadoes 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; radar from the NEXRAD Level II archive.