Alert archive / Iowa / Tornado Warnings in 2004
Tornado Warning 71, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 30, 2004, 1:38 AM CDT for Appanoose County, Monroe County, Iowa. It was in force for 47 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 30, 2004, 1:38 AM CDT (06:38 UTC)
- Expired
- May 30, 2004, 2:25 AM CDT
- In force
- 47 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
Counties Appanoose County, IA, Monroe County, IA
The radar
The Des Moines radar (KDMX), 117 km from the middle of the area, began a volume at 06:38 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 nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 6.6 hours before the alert went out and 294 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
- 1892 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDMX 300638 TORDMX IAC007-135-300725- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 137 AM CDT SUN MAY 30 2004 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... APPANOOSE COUNTY IN SOUTH CENTRAL IOWA MONROE COUNTY IN SOUTH CENTRAL IOWA * UNTIL 225 AM CDT * AT 133 AM...RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES NORTH OF PLANO...OR ABOUT 37 MILES WEST OF OTTUMWA...MOVING NORTHEAST AT 35 MPH. * THE STORM WILL BE... 7 MILES NORTHWEST OF MYSTIC AROUND 140 AM... 7 MILES NORTHWEST OF RATHBUN AROUND 145 AM... 4 MILES NORTHWEST OF MORAVIA AROUND 155 AM AND NEAR ALBIA MUNICIPAL AIRPORT AROUND 205 AM. 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. LAT...LON 4104 9307 4061 9308 4062 9266 4106 9267 $$ DONAVON
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 11:22 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 38 min |
| May 29, 11:50 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 40 min |
| May 30, 12:29 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 46 min |
| May 30, 12:40 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin, Story | 50 min |
| May 30, 1:11 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 49 min |
| May 30, 1:17 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 28 min |
| May 30, 1:27 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 58 min |
| May 30, 2:05 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 25 min |
| May 30, 2:16 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 29 min |
| May 30, 2:26 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 34 min |
| May 30, 2:44 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 46 min |
| May 30, 2:04 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Wapello | 41 min |
Nearby
Tornado Warnings in Iowa, 2004Every tornado warning in 2004Tornadoes in 2004
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.