Alert archive / Iowa / Tornado Warnings in 2003
Tornado Warning 7, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 10, 2003, 4:46 PM CDT for Appanoose County, Wayne 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
- May 10, 2003, 4:46 PM CDT (21:46 UTC)
- Expired
- May 10, 2003, 5:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
Counties Appanoose County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 120 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 236 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.
568 WFUS53 KDMX 102146 TORDMX IAC007-185-102230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 446 PM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... APPANOOSE COUNTY IN SOUTH CENTRAL IOWA EASTERN WAYNE COUNTY IN SOUTH CENTRAL IOWA * UNTIL 530 PM CDT * AT 443 PM...RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES SOUTHWEST OF SEYMOUR...OR ABOUT 46 MILES SOUTHWEST OF OTTUMWA...MOVING NORTHEAST AT 35 MPH. * THE STORM WILL BE... 6 MILES SOUTHEAST OF PROMISE CITY AROUND 450 PM... NEAR PLANO AROUND 455 PM... 3 MILES NORTHWEST OF NUMA AROUND 500 PM... NEAR MYSTIC AROUND 505 PM... NEAR RATHBUN AROUND 510 PM AND 5 MILES NORTHWEST OF UDELL AROUND 520 PM. THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR WAYNE AND APPANOOSE COUNTIES. 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 4087 9335 4059 9334 4061 9269 4089 9266 JOHNSON $$
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, 4:48 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, 5:29 PM CDT | Tornado Warning | DMX | Appanoose, Davis | 46 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.