Alert archive / Iowa / Tornado Warnings in 2004
Tornado Warning 13, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jun 16, 2004, 3:07 PM CDT for Floyd County, Iowa. It was in force for 53 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
- Jun 16, 2004, 3:07 PM CDT (20:07 UTC)
- Expired
- Jun 16, 2004, 4:00 PM CDT
- In force
- 53 min
- Issued by
- NWS La Crosse, WI
- Area
- Counties, with a storm outline in the text
County Floyd County, IA
The radar
The La Crosse radar (KARX), 147 km from the middle of the area, began a volume at 20:06 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 |
|---|---|---|---|
| Jun 16, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 203 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
- 421 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KARX 162007 TORARX IAC067-162100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 307 PM CDT WED JUN 16 2004 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * TORNADO WARNING FOR... FLOYD COUNTY IN NORTH CENTRAL IOWA * UNTIL 400 PM CDT * AT 307 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A TORNADO 3 MILES NORTH OF HOWARDVILLE...OR ABOUT 7 MILES SOUTHEAST OF OSAGE. THE TORNADO WAS MOVING SOUTHWEST AT 10 MPH. * THE TORNADO WILL BE NEAR... HOWARDVILLE AND COLWELL COUNTY PARK AROUND 315 PM CDT... IDLEWILDE STATE PARK AROUND 335 PM CDT... FLOYD AROUND 340 PM CDT... FLOYD CROSSING AROUND 355 PM CDT... RUDD AND ROSEVILLE AROUND 400 PM CDT... A TORNADO IS BEING DETECTED BY RADAR. THIS MEANS THAT A TORNADO MAY NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE IS EXPECTED TO DEVELOP. TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS LAT...LON 4320 9258 4321 9279 4308 9297 4296 9282 $$ KRC
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 5:38 AM CDT | Flash Flood Warning | ARX | Fayette | 4 hr |
| Jun 16, 2:05 PM CDT | Tornado Warning | ARX | Howard | 55 min |
| Jun 16, 2:49 PM CDT | Tornado Warning | ARX | Mitchell | 56 min |
| Jun 16, 4:12 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 4 hr |
| Jun 16, 5:16 PM CDT | Flash Flood Warning | ARX | Fayette | 4 hr |
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.