Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 12, NWS La Crosse, WI

June 7, 2008Allamakee County, Clayton County, Iowa; Crawford County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 7, 2008, 1:17 PM CDT for Allamakee County, Clayton County, Iowa; Crawford County, Wisconsin. It was in force for 43 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, 1:17 PM CDT (18:17 UTC)
Expired: Jun 7, 2008, 2:00 PM CDT
In force: 43 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon

Counties Allamakee County, IA, Clayton County, IA, Crawford County, WI

The radar

The La Crosse radar (KARX), 85 km from the middle of the area, began a volume at 18:19 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 7, 12:17 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 6.3 hours before the alert went out and 168 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2173 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 584 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 071817
TORARX
IAC005-043-WIC023-071900-
/O.NEW.KARX.TO.W.0012.080607T1817Z-080607T1900Z/

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ALLAMAKEE COUNTY IN NORTHEAST IOWA...
  NORTH CENTRAL CLAYTON COUNTY IN NORTHEAST IOWA...
  WESTERN CRAWFORD COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 200 PM CDT

* AT 115 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR GIARD...OR 9
  MILES SOUTHWEST OF PRAIRIE DU CHIEN...MOVING NORTHEAST AT 35       
  MPH. THIS WARNING EXTENDS THE PREVIOUS TORNADO WARNING FOR         
  CLAYTON.

* THE TORNADO WILL BE NEAR...
  MCGREGOR AND MARQUETTE AROUND 125 PM...
  PRAIRIE DU CHIEN AND EFFIGY MOUNDS AROUND 130 PM...
  HARPERS FERRY AND LIMERY RIDGE AROUND 135 PM...
  IRISH RIDGE AND HAZEN CORNERS AROUND 140 PM...
  KICKAPOO INDIAN CAVERNS AND EASTMAN AROUND 145 PM...
  WAUZEKA AND HIGHWAY 27 AND COUNTY F AROUND 150 PM...
  HARRIS RIDGE AND CROWLEY RIDGE AROUND 155 PM...
  STEUBEN AROUND 200 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 800 PM SATURDAY EVENING FOR
NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND SOUTHWESTERN WISCONSIN.

LAT...LON 4296 9134 4316 9129 4338 9091 4310 9081
      4306 9095 4303 9098 4299 9107 4300 9115
      4297 9115
TIME...MOT...LOC 1817Z 244DEG 30KT 4298 9126

$$

BINAU

3 follow-up statements

000 
WWUS53 KARX 071822
SVSARX

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

IAC005-043-WIC023-071900-
/O.CON.KARX.TO.W.0012.000000T0000Z-080607T1900Z/
ALLAMAKEE IA-CLAYTON IA-CRAWFORD WI-
122 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR WESTERN
CRAWFORD...NORTH CENTRAL CLAYTON AND SOUTHEASTERN ALLAMAKEE
COUNTIES...

AT 119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR GIARD...OR ABOUT 6 
MILES SOUTHWEST OF PRAIRIE DU CHIEN...MOVING NORTHEAST AT 34 MPH. 
THE ROTATION ON RADAR HAS BEEN STRENGTHENING WITH THIS STORM. A 
TORNADO MAY BE IMMINENT

* THE TORNADO WILL BE NEAR...
  PRAIRIE DU CHIEN AND EFFIGY MOUNDS AROUND 130 PM...
  HARPERS FERRY AND IRISH RIDGE AROUND 135 PM...
  HAZEN CORNERS AROUND 140 PM...
  KICKAPOO INDIAN CAVERNS AND EASTMAN AROUND 145 PM...
  WAUZEKA AND HIGHWAY 27 AND COUNTY F AROUND 150 PM...
  HARRIS RIDGE AND CROWLEY RIDGE AROUND 155 PM...
  STEUBEN AND MOUNT STERLING AROUND 200 PM...

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 4296 9134 4316 9129 4338 9091 4310 9081
      4306 9095 4303 9098 4299 9107 4300 9115
      4297 9115
TIME...MOT...LOC 1822Z 244DEG 30KT 4300 9121

$$

BINAU

000 
WWUS53 KARX 071831
SVSARX

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

IAC005-043-WIC023-071900-
/O.CON.KARX.TO.W.0012.000000T0000Z-080607T1900Z/
ALLAMAKEE IA-CLAYTON IA-CRAWFORD WI-
131 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR WESTERN
CRAWFORD...NORTH CENTRAL CLAYTON AND SOUTHEASTERN ALLAMAKEE
COUNTIES...

AT 128 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR PIKES PEAK STATE PARK...OR ABOUT NEAR PRAIRIE DU CHIEN...MOVING 
NORTHEAST AT 34 MPH. SPOTTERS HAVE REPORTED ROTATION AND POTENTIAL 
WALL CLOUD WITH THIS STORM NEAR MCGREGOR. A LOWERING WALL CLOUD IS 
ALSO BEING REPORTED NEAR PRAIRIE DU CHIEN.

* THE TORNADO WILL BE NEAR...
  HARPERS FERRY AND LIMERY RIDGE AROUND 135 PM...
  IRISH RIDGE AND HAZEN CORNERS AROUND 140 PM...
  KICKAPOO INDIAN CAVERNS AND EASTMAN AROUND 145 PM...
  WAUZEKA AND HIGHWAY 27 AND COUNTY F AROUND 150 PM...
  HARRIS RIDGE AND CROWLEY RIDGE AROUND 155 PM...
  STEUBEN AND MOUNT STERLING AROUND 200 PM...

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 4296 9134 4316 9129 4338 9091 4310 9081
      4306 9095 4303 9098 4299 9107 4300 9115
      4297 9115
TIME...MOT...LOC 1831Z 244DEG 30KT 4303 9111

$$

BINAU

000 
WWUS53 KARX 071835
SVSARX

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

IAC005-043-071845-
/O.CAN.KARX.TO.W.0012.000000T0000Z-080607T1900Z/
ALLAMAKEE IA-CLAYTON IA-
135 PM CDT SAT JUN 7 2008

...THE TORNADO WARNING FOR NORTH CLAYTON AND SOUTHEASTERN 
ALLAMAKEE COUNTIES IS CANCELLED...

LAT...LON 4301 9115 4317 9114 4328 9087 4311 9081
      4306 9095 4303 9098 4299 9107
TIME...MOT...LOC 1835Z 250DEG 33KT 4304 9105

$$

WIC023-071900-
/O.CON.KARX.TO.W.0012.000000T0000Z-080607T1900Z/
CRAWFORD WI-
135 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
SOUTHWESTERN CRAWFORD COUNTY...

AT 133 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR IRISH RIDGE...OR ABOUT NEAR PRAIRIE DU CHIEN...MOVING EAST AT 38
MPH. THIS STRONG ROTATION AND A VERIFIED LOWERING WALL CLOUD WILL 
MOVE ALONG THE WISCONSIN RIVER JUST TO THE NORTH. AREAS OF EXTREME 
NORTHERN GRANT COUNTY SHOULD BE PREPARED FOR A POSSIBLE TORNADO 
WARNING. 

* THE TORNADO WILL BE NEAR...
  EASTMAN AROUND 140 PM...
  KICKAPOO INDIAN CAVERNS AND HIGHWAY 27 AND COUNTY F AROUND 145
  PM...
  WAUZEKA AND HARRIS RIDGE AROUND 150 PM...
  STEUBEN AROUND 155 PM...

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

LAT...LON 4301 9115 4317 9114 4328 9087 4311 9081
      4306 9095 4303 9098 4299 9107
TIME...MOT...LOC 1835Z 250DEG 33KT 4304 9105

$$

BINAU

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 4:02 AM CDT	Flash Flood Watch	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	44 hr
Jun 7, 12:52 PM CDT	Tornado Warning	ARX	Clayton	23 min
Jun 7, 2:49 PM CDT	Tornado Warning	ARX	Chickasaw	26 min
Jun 7, 3:35 PM CDT	Tornado Warning	ARX	Chickasaw, Howard	40 min
Jun 7, 3:41 PM CDT	Tornado Warning	ARX	Chickasaw, Floyd	34 min
Jun 7, 4:35 PM CDT	Tornado Warning	ARX	Mitchell	40 min
Jun 7, 5:22 PM CDT	Tornado Warning	ARX	Mitchell	38 min
Jun 7, 6:00 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	30 min
Jun 7, 6:03 PM CDT	Flash Flood Warning	ARX	Mitchell	6 hr
Jun 7, 6:18 PM CDT	Flash Flood Warning	ARX	Howard	6 hr
Jun 7, 6:21 PM CDT	Severe Thunderstorm Warning	ARX	Howard	54 min
Jun 7, 11:55 AM CDT	Severe Thunderstorm Warning	ARX	Monroe	50 min
Jun 7, 12:33 PM CDT	Tornado Warning	ARX	Juneau, Monroe, Vernon	42 min
Jun 7, 1:12 PM CDT	Tornado Warning	ARX	Adams, Juneau	48 min
Jun 7, 1:43 PM CDT	Tornado Warning	ARX	Grant	47 min
Jun 7, 2:04 PM CDT	Tornado Warning	ARX	Crawford	26 min
Jun 7, 2:19 PM CDT	Tornado Warning	ARX	Richland	41 min
Jun 7, 2:32 PM CDT	Severe Thunderstorm Warning	ARX	Grant	33 min
Jun 7, 3:00 PM CDT	Severe Thunderstorm Warning	ARX	Richland	30 min
Jun 7, 3:51 PM CDT	River Flood Warning	ARX	Monroe, Vernon	46 hr
Jun 7, 5:19 PM CDT	Flash Flood Warning	ARX	Juneau, Monroe, Vernon	7 hr
Jun 7, 5:22 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse	23 min
Jun 7, 5:43 PM CDT	Tornado Warning	ARX	La Crosse, Monroe	32 min
Jun 7, 5:59 PM CDT	Tornado Warning	ARX	Richland, Vernon	61 min
Jun 7, 6:35 PM CDT	River Flood Warning	ARX	Vernon	26 hr
Jun 7, 6:46 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	44 min
Jun 7, 6:55 PM CDT	River Flood Warning	ARX	Richland, Vernon	67 hr

Nearby

Tornado Warnings in Iowa, 2008 Tornado Warnings in Wisconsin, 2008 Every tornado warning in 2008 Tornadoes 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.