Alert archive / Iowa / Tornado Warnings in 2003
Tornado Warning 10, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 10, 2003, 5:43 PM CDT for Mahaska County, Iowa. It was in force for 32 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, 5:43 PM CDT (22:43 UTC)
- Expired
- May 10, 2003, 6:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Mahaska County, IA
The radar
The Des Moines radar (KDMX), 92 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 186 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.
746 WFUS53 KDMX 102243 TORDMX IAC123-102315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 543 PM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... MAHASKA COUNTY IN SOUTH CENTRAL IOWA * UNTIL 615 PM CDT * AT 538 PM...RADAR INDICATED A THUNDERSTORM WITH A HISTORY OF TORNADOES 5 MILES SOUTHWEST OF LEIGHTON...OR ABOUT 32 MILES NORTHWEST OF OTTUMWA...MOVING EAST AT 40 MPH. * THE STORM WILL BE... NEAR LEIGHTON AROUND 545 PM... 7 MILES NORTH OF BEACON AROUND 550 PM... 6 MILES SOUTH OF NEW SHARON AROUND 555 PM... 8 MILES NORTH OF KEOMAH VILLAGE AROUND 600 PM... 7 MILES NORTH OF ROSE HILL AROUND 605 PM AND 6 MILES SOUTH OF BARNES CITY AROUND 610 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 4150 9289 4121 9290 4128 9245 4150 9243 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, 5:17 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, 5:49 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.