Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 24, NWS La Crosse, WI

June 7, 2008Mitchell County, Iowa

NWS La Crosse, WI issued this tornado warning at Jun 7, 2008, 5:22 PM CDT for Mitchell County, Iowa. It was in force for 38 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 7, 2008, 5:22 PM CDT (22:22 UTC)
Expired
Jun 7, 2008, 6:00 PM CDT
In force
38 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

County Mitchell County, IA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 7, 12:17 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.4 hours before the alert went out and 174 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2008-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
131 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
1341 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KARX 072222
TORARX
IAC131-072300-
/O.NEW.KARX.TO.W.0024.080607T2222Z-080607T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
522 PM CDT SAT JUN 7 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  MITCHELL COUNTY IN NORTH CENTRAL IOWA...

* UNTIL 600 PM CDT

* AT 519 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 3 MILES WEST OF
  COUNTY ROADS A 39 AND S 70...OR 13 MILES WEST OF OSAGE...MOVING    
  NORTHEAST AT 45 MPH. ROTATING WALL CLOUDS HAVE BEEN REPORTED WITH  
  THIS STORM.

* THE TORNADO WILL BE NEAR...
  ST. ANSGAR AND TOETERVILLE AROUND 530 PM...
  HIGHWAY 218 AND COUNTY T 40 AND HIGHWAY 18 AND COUNTY T 38 AROUND
  535 PM...
  STACYVILLE AND LITTLE CEDAR AROUND 540 PM...
  MEYER AND COUNTY ROADS T 54 AND A 31 AROUND 545 PM...
  BAILEY AND MCINTIRE AROUND 550 PM...

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY EVENING FOR
NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND SOUTHWESTERN WISCONSIN.

LAT...LON 4346 9302 4350 9282 4350 9256 4330 9256
      4329 9257 4328 9302
TIME...MOT...LOC 2222Z 244DEG 39KT 4336 9302

$$

BINAU
1 follow-up statement
000 
WWUS53 KARX 072239
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
539 PM CDT SAT JUN 7 2008

IAC131-072300-
/O.CON.KARX.TO.W.0024.000000T0000Z-080607T2300Z/
MITCHELL IA-
539 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR  
MITCHELL COUNTY...

AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG ROTATION. THIS ROTATION WAS LOCATED NEAR 
STACYVILLE...OR ABOUT 10 MILES NORTH OF OSAGE...MOVING NORTHEAST AT 
45 MPH.

* THE TORNADO WILL BE NEAR...
  MEYER AND COUNTY ROADS T 54 AND A 31 AROUND 545 PM...
  BAILEY AND MCINTIRE AROUND 550 PM...

TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4348 9293 4350 9282 4350 9256 4336 9257
      4333 9256 4336 9286
TIME...MOT...LOC 2239Z 244DEG 39KT 4343 9279

$$

BINAU

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 4:02 AM CDTFlash Flood WatchARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more44 hr
Jun 7, 12:52 PM CDTTornado WarningARXClayton23 min
Jun 7, 1:17 PM CDTTornado WarningARXAllamakee, Clayton43 min
Jun 7, 2:49 PM CDTTornado WarningARXChickasaw26 min
Jun 7, 3:35 PM CDTTornado WarningARXChickasaw, Howard40 min
Jun 7, 3:41 PM CDTTornado WarningARXChickasaw, Floyd34 min
Jun 7, 4:35 PM CDTTornado WarningARXMitchell40 min
Jun 7, 6:00 PM CDTSevere Thunderstorm WarningARXMitchell30 min
Jun 7, 6:03 PM CDTFlash Flood WarningARXMitchell6 hr
Jun 7, 6:18 PM CDTFlash Flood WarningARXHoward6 hr
Jun 7, 6:21 PM CDTSevere Thunderstorm WarningARXHoward54 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; the sounding from the Mesonet's radiosonde archive.