Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 6, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at May 25, 2008, 4:26 PM CDT for Floyd County, Iowa. It was in force for 34 min. 3 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
- May 25, 2008, 4:26 PM CDT (21:26 UTC)
- Expired
- May 25, 2008, 5:00 PM CDT
- In force
- 34 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
County Floyd County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 25, 4:37 PM CDT | HAIL 0.5 | Marble Rock, IA | HALF INCH DIAMETER SIZED HAIL REPORTED. |
| May 25, 4:37 PM CDT | HAIL 0.75 | Marble Rock, IA | |
| May 25, 5:01 PM CDT | HAIL 1 | 3 W Charles City, IA |
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 |
|---|---|---|---|
| May 25, 2:04 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 210 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
- 58 J/kg
- Mixed-layer CIN
- -266 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KARX 252126
TORARX
IAC067-252200-
/O.NEW.KARX.TO.W.0006.080525T2126Z-080525T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
426 PM CDT SUN MAY 25 2008
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
FLOYD COUNTY IN NORTH CENTRAL IOWA...
* UNTIL 500 PM CDT
* AT 421 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 16 MILES WEST OF COUNTY ROADS B 60 AND T 18...OR ABOUT 32
MILES WEST OF CHARLES CITY...MOVING EAST AT 40 MPH.
* THE TORNADO IS EXPECTED TO BE NEAR...
COUNTY ROADS B 60 AND T 18 AROUND 445 PM...
ROCKFORD AND MARBLE ROCK AROUND 450 PM...
COUNTY ROADS 147 AND T 34 AND HIGHWAY 14 AND COUNTY ROAD B 60
AROUND 455 PM...
MIDWAY AND COUNTY ROADS B 60 AND T 64 AROUND 500 PM...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM SUNDAY EVENING FOR
NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.
LAT...LON 4309 9303 4322 9258 4322 9256 4321 9256
4295 9255 4291 9256 4290 9302 4291 9303
TIME...MOT...LOC 2126Z 249DEG 35KT 4291 9320
$$
RIECK4 follow-up statements
000
WWUS53 KARX 252134
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
434 PM CDT SUN MAY 25 2008
IAC067-252200-
/O.CON.KARX.TO.W.0006.000000T0000Z-080525T2200Z/
FLOYD IA-
434 PM CDT SUN MAY 25 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR FLOYD
COUNTY...
AT 430 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 10 MILES WEST OF COUNTY
ROADS B 60 AND T 18...OR ABOUT 26 MILES SOUTHWEST OF CHARLES CITY...
MOVING EAST AT 40 MPH.
* THE TORNADO WILL BE NEAR...
COUNTY ROADS B 60 AND T 18 AROUND 445 PM...
ROCKFORD AND MARBLE ROCK AROUND 450 PM...
COUNTY ROADS 147 AND T 34 AND HIGHWAY 14 AND COUNTY ROAD B 60
AROUND 455 PM...
CHARLES CITY AND FLOYD AROUND 500 PM...
LAT...LON 4309 9303 4322 9258 4322 9256 4321 9256
4295 9255 4291 9256 4290 9302 4291 9303
TIME...MOT...LOC 2134Z 249DEG 35KT 4294 9310
$$
RIECK000
WWUS53 KARX 252141
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
441 PM CDT SUN MAY 25 2008
IAC067-252200-
/O.CON.KARX.TO.W.0006.000000T0000Z-080525T2200Z/
FLOYD IA-
441 PM CDT SUN MAY 25 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR FLOYD
COUNTY...
LOCAL LAW ENFORCEMENT REPORTED A ROTATING WALL CLOUD JUST WEST OF
MARBLE ROCK.
AT 438 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR COUNTY ROADS B 60
AND T 18...OR ABOUT 21 MILES SOUTHWEST OF CHARLES CITY...MOVING EAST
AT 40 MPH.
* THE TORNADO WILL BE NEAR...
ROCKFORD AROUND 450 PM...
MARBLE ROCK AND COUNTY ROADS 147 AND T 34 AROUND 455 PM...
CHARLES CITY AND FLOYD AROUND 500 PM...
LAT...LON 4309 9303 4322 9258 4322 9256 4321 9256
4295 9255 4291 9256 4290 9302 4291 9303
TIME...MOT...LOC 2141Z 256DEG 30KT 4294 9302
$$
RIECK000
WWUS53 KARX 252151
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
451 PM CDT SUN MAY 25 2008
IAC067-252200-
/O.CON.KARX.TO.W.0006.000000T0000Z-080525T2200Z/
FLOYD IA-
451 PM CDT SUN MAY 25 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR FLOYD
COUNTY...
AT 450 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR MARBLE ROCK...OR
ABOUT 13 MILES SOUTHWEST OF CHARLES CITY...MOVING EAST AT 40 MPH.
* THE TORNADO WILL BE NEAR...
CHARLES CITY AND FLOYD AROUND 500 PM...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS
LAT...LON 4322 9256 4300 9255 4291 9256 4290 9302
4309 9303
TIME...MOT...LOC 2151Z 253DEG 36KT 4298 9288
$$
RIECK000
WWUS53 KARX 252157
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
457 PM CDT SUN MAY 25 2008
IAC067-252207-
/O.EXP.KARX.TO.W.0006.000000T0000Z-080525T2200Z/
FLOYD IA-
457 PM CDT SUN MAY 25 2008
...THE TORNADO WARNING FOR FLOYD COUNTY EXPIRES AT 500 PM CDT...
THE STORM WHICH PROMPTED THIS WARNING HAS WEAKENED AND NO LONGER
APPEARS CAPABLE OF PRODUCING SEVERE WEATHER.
A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.
LAT...LON 4322 9256 4300 9255 4291 9256 4290 9302
4309 9303
TIME...MOT...LOC 2157Z 253DEG 36KT 4300 9280
$$
RIECKThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 5:16 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 29 min |
| May 25, 5:31 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 29 min |
| May 25, 5:33 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 42 min |
| May 25, 6:10 PM CDT | Tornado Warning | ARX | Fayette | 35 min |
| May 25, 6:29 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 76 min |
Nearby
Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes in 2008
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.