Alert archive / Iowa / Tornado Warnings in 2003
Tornado Warning 8, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 10, 2003, 5:17 PM CDT for Marion County, Iowa. It was in force for 28 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, 5:17 PM CDT (22:17 UTC)
- Expired
- May 10, 2003, 5:45 PM CDT
- In force
- 28 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Marion County, IA
The radar
The Des Moines radar (KDMX), 70 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 221 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.
603 WFUS53 KDMX 102217 TORDMX IAC125-102245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 517 PM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... MARION COUNTY IN SOUTH CENTRAL IOWA * UNTIL 545 PM CDT * AT 513 PM...RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES EAST OF MELCHER-DALLAS...OR ABOUT 35 MILES SOUTHEAST OF DES MOINES...MOVING NORTHEAST AT 40 MPH. * THE STORM WILL BE... 4 MILES SOUTHEAST OF KNOXVILLE MUNICIPAL AIRPORT AROUND 520 PM AND NEAR HARVEY AROUND 535 PM. THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR THE WARNED AREA. 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 4124 9330 4115 9313 4130 9287 4151 9299 FORSTER $$
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, 5:29 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.