Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 28, NWS La Crosse, WI

June 10, 20084 counties in Iowa

NWS La Crosse, WI issued this tornado warning at Jun 10, 2008, 9:09 PM CDT for 4 counties in Iowa. It was in force for 45 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 10, 2008, 9:09 PM CDT (02:09 UTC)
Expired
Jun 10, 2008, 9:54 PM CDT
In force
45 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

Counties Chickasaw County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA

The radar

The La Crosse radar (KARX), 130 km from the middle of the area, began a volume at 02:11 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

Minneapolis, MN (KMPX), launched 00:00Z, 2.2 hours before the alert went out and 200 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 00:00Z on 2008-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2008-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1606 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 110209
TORARX
IAC037-067-089-131-110315-
/O.NEW.KARX.TO.W.0028.080611T0209Z-080611T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
909 PM CDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN FLOYD COUNTY IN NORTH CENTRAL IOWA...
  SOUTHEASTERN MITCHELL COUNTY IN NORTH CENTRAL IOWA...
  NORTHWESTERN CHICKASAW COUNTY IN NORTHEAST IOWA...
  SOUTHWESTERN HOWARD COUNTY IN NORTHEAST IOWA...

* UNTIL 1015 PM CDT

* AT 907 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR HOWARDVILLE...OR 8 MILES SOUTHEAST OF OSAGE...MOVING
  EAST AT 33 MPH.

* THE TORNADO WILL BE NEAR...
  COLWELL AND COUNTY ROADS 17 AND T 72 AROUND 915 PM...
  COUNTY B 17 AND BELL AVENUE AROUND 920 PM...
  DEERFIELD AND COUNTY ROADS B 33 AND T 76 AROUND 925 PM...
  ELMA AND COUNTY ROADS B 28 AND V 18 AROUND 930 PM...

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

LAT...LON 4330 9242 4309 9242 4309 9278 4328 9279
TIME...MOT...LOC 0209Z 279DEG 29KT 4320 9267

$$

RABERDING
4 follow-up statements
000 
WWUS53 KARX 110224
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
924 PM CDT TUE JUN 10 2008

IAC037-067-089-131-110315-
/O.CON.KARX.TO.W.0028.000000T0000Z-080611T0315Z/
MITCHELL IA-HOWARD IA-FLOYD IA-CHICKASAW IA-
924 PM CDT TUE JUN 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
NORTHWESTERN CHICKASAW...NORTHEASTERN FLOYD...SOUTHWESTERN HOWARD AND
SOUTHEASTERN MITCHELL COUNTIES...

AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR COLWELL...OR 10 
MILES NORTH OF CHARLES CITY...MOVING EAST AT 25 MPH. LAW 
ENFORECEMENT OFFICIALS AND SPOTTERS HAVE REPORTED A FUNNEL CLOUD 
WITH THIS STORM.

* THE TORNADO WILL BE NEAR...
  DEERFIELD AND COUNTY ROADS B 33 AND T 76 AROUND 930 PM...
  LYLAHS MARSH COUNTY PARK AROUND 935 PM...
  ELMA AND COUNTY ROADS B 28 AND V 18 AROUND 940 PM...

LAT...LON 4330 9242 4309 9242 4309 9278 4328 9279
TIME...MOT...LOC 0224Z 277DEG 21KT 4319 9256

$$

RABERDING
000 
WWUS53 KARX 110233
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
933 PM CDT TUE JUN 10 2008

IAC037-067-089-131-110315-
/O.CON.KARX.TO.W.0028.000000T0000Z-080611T0315Z/
MITCHELL IA-HOWARD IA-FLOYD IA-CHICKASAW IA-
933 PM CDT TUE JUN 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
NORTHWESTERN CHICKASAW...NORTHEASTERN FLOYD...SOUTHWESTERN HOWARD AND
SOUTHEASTERN MITCHELL COUNTIES...

AT 932 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR DEERFIELD...OR 11
MILES NORTHEAST OF CHARLES CITY...MOVING EAST AT 21 MPH.

* THE TORNADO WILL BE NEAR...
  ELMA AROUND 940 PM...
  COUNTY ROADS B 28 AND V 18 AROUND 945 PM...

LAT...LON 4330 9242 4309 9242 4309 9278 4328 9279
TIME...MOT...LOC 0233Z 277DEG 18KT 4319 9251

$$

RABERDING
000 
WWUS53 KARX 110241
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
941 PM CDT TUE JUN 10 2008

IAC067-131-110251-
/O.CAN.KARX.TO.W.0028.000000T0000Z-080611T0315Z/
MITCHELL IA-FLOYD IA-
941 PM CDT TUE JUN 10 2008

...THE TORNADO WARNING FOR NORTHEASTERN FLOYD AND SOUTHEASTERN
MITCHELL COUNTIES IS CANCELLED...

LAT...LON 4330 9242 4309 9242 4309 9256 4329 9256
TIME...MOT...LOC 0241Z 277DEG 18KT 4318 9246

$$

IAC037-089-110315-
/O.CON.KARX.TO.W.0028.000000T0000Z-080611T0315Z/
HOWARD IA-CHICKASAW IA-
941 PM CDT TUE JUN 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
NORTHWESTERN CHICKASAW AND SOUTHWESTERN HOWARD COUNTIES...

AT 940 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR DEERFIELD...OR 11
MILES NORTHWEST OF NEW HAMPTON...MOVING EAST AT 21 MPH.

LAT...LON 4330 9242 4309 9242 4309 9256 4329 9256
TIME...MOT...LOC 0241Z 277DEG 18KT 4318 9246

$$

RABERDING
000 
WWUS53 KARX 110254
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
954 PM CDT TUE JUN 10 2008

IAC037-089-110304-
/O.CAN.KARX.TO.W.0028.000000T0000Z-080611T0315Z/
HOWARD IA-CHICKASAW IA-
954 PM CDT TUE JUN 10 2008

...THE TORNADO WARNING FOR NORTHWESTERN CHICKASAW AND SOUTHWESTERN
HOWARD COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THIS WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4330 9242 4309 9242 4309 9256 4329 9256
TIME...MOT...LOC 0254Z 277DEG 18KT 4317 9237

$$

RABERDING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:18 PM CDTSevere Thunderstorm WarningARXFloyd, Mitchell57 min
Jun 10, 9:16 PM CDTSevere Thunderstorm WarningARXMitchell59 min
Jun 10, 9:53 PM CDTSevere Thunderstorm WarningARXChickasaw, Howard41 min
Jun 10, 10:09 PM CDTSevere Thunderstorm WarningARXHoward, Mitchell45 min
Jun 11, 10:50 AM CDTRiver Flood WarningARXFloyd, Mitchell4 days
Jun 11, 12:15 PM CDTRiver Flood WarningARXClayton5 days
Jun 11, 12:15 PM CDTRiver Flood WarningARXClayton8 days

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; radar from the NEXRAD Level II archive.