Alert archive / Iowa / Tornado Warnings in 2004
Tornado Warning 72, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jun 11, 2004, 2:28 PM CDT for Palo Alto County, Iowa. It was in force for 57 min. 8 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 11, 2004, 2:28 PM CDT (19:28 UTC)
- Expired
- Jun 11, 2004, 3:25 PM CDT
- In force
- 57 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Palo Alto County, IA
The radar
The Sioux Falls radar (KFSD), 168 km from the middle of the area, began a volume at 19:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 3:00 PM CDT | TORNADO | 1 W Ruthven, IA | ESTIMATED TO BE 1/4 MILE WIDE. |
| Jun 11, 3:04 PM CDT | TORNADO | 5 E Dickens, IA | |
| Jun 11, 3:04 PM CDT | TORNADO | 5 E Dickens, IA | |
| Jun 11, 3:04 PM CDT | TORNADO | 5 E Dickens, IA | |
| Jun 11, 3:05 PM CDT | TORNADO | 1 W Ruthven, IA | TORNADO BACK ON GROUND. |
| Jun 11, 3:21 PM CDT | TORNADO | 7 Nw Emmetsburg, IA | |
| Jun 11, 3:24 PM CDT | TORNADO | 7 S Graettinger, IA | |
| Jun 11, 3:28 PM CDT | TORNADO | 6 S Graettinger, IA | REPORT FROM KICD RADIO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 1:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.5 hours before the alert went out and 213 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
- 572 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
600 WFUS53 KDMX 111928 TORDMX IAC147-112025- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 228 PM CDT FRI JUN 11 2004 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... PALO ALTO COUNTY IN NORTHWEST IOWA * UNTIL 325 PM CDT * AT 225 PM...RADAR INDICATED A THUNDERSTORM WITH A HISTORY OF TORNADOES 14 MILES SOUTHWEST OF AYRSHIRE...OR ABOUT 13 MILES SOUTH OF SPENCER...MOVING NORTHEAST AT 20 MPH. * THE STORM WILL BE... 7 MILES SOUTHEAST OF RUTHVEN AROUND 300 PM... NEAR AYRSHIRE AROUND 305 PM... 6 MILES NORTHWEST OF CURLEW AROUND 310 PM... 9 MILES NORTHWEST OF MALLARD AROUND 315 PM... NEAR EMMETSBURG MUNICIPAL AIRPORT AROUND 325 PM AND NEAR EMMETSBURG AROUND 330 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. LAT...LON 4325 9493 4292 9492 4292 9448 4325 9448 $$ COGIL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 3:44 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 46 min |
| Jun 11, 3:24 PM CDT | Tornado Warning | DMX | Emmet, Palo Alto | 56 min |
| Jun 11, 4:01 PM CDT | Tornado Warning | DMX | Kossuth | 44 min |
| Jun 11, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 25 min |
| Jun 11, 4:39 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 51 min |
| Jun 11, 4:45 PM CDT | Tornado Warning | DMX | Palo Alto | 45 min |
| Jun 11, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 58 min |
| Jun 11, 5:22 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 53 min |
| Jun 11, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 45 min |
| Jun 11, 6:09 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 51 min |
| Jun 11, 6:14 PM CDT | Flash Flood Warning | DMX | Kossuth | 3 hr |
| Jun 11, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 43 min |
| Jun 11, 6:24 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 56 min |
| Jun 11, 6:28 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 47 min |
| Jun 11, 6:36 PM CDT | Tornado Warning | DMX | Webster | 24 min |
| Jun 11, 6:56 PM CDT | Tornado Warning | DMX | Webster | 34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.