Alert archive / Iowa / Tornado Warnings in 2013
Tornado Warning 22, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jun 12, 2013, 4:29 PM CDT for Clayton County, Iowa; Grant County, Wisconsin. It was in force for 46 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 12, 2013, 4:29 PM CDT (21:29 UTC)
- Expired
- Jun 12, 2013, 5:15 PM CDT
- In force
- 46 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Clayton County, IA, Grant County, WI
The radar
The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 21:29 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 12, 1:49 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.5 hours before the alert went out and 127 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
- 1812 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
453
WFUS53 KARX 122129
TORARX
IAC043-WIC043-122215-
/O.NEW.KARX.TO.W.0022.130612T2129Z-130612T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
429 PM CDT WED JUN 12 2013
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CLAYTON COUNTY IN NORTHEAST IOWA...
WEST CENTRAL GRANT COUNTY IN SOUTHWEST WISCONSIN...
* UNTIL 515 PM CDT
* AT 425 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR GUTTENBERG...AND MOVING SOUTHEAST AT 25
MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUDS NEAR GUTTENBERG.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
CASSVILLE AROUND 435 PM CDT.
MCCARTNEY AROUND 450 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE BEETOWN...NORTH BUENA VISTA...
BURTON AND BIG H CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4276 9122 4290 9102 4275 9067 4265 9079
4267 9089 4265 9089 4264 9090 4264 9097
TIME...MOT...LOC 2128Z 296DEG 22KT 4276 9103
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
AJ3 follow-up statements
329
WWUS53 KARX 122142
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
442 PM CDT WED JUN 12 2013
IAC043-WIC043-122215-
/O.CON.KARX.TO.W.0022.000000T0000Z-130612T2215Z/
CLAYTON IA-GRANT WI-
442 PM CDT WED JUN 12 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL GRANT AND
SOUTHEASTERN CLAYTON COUNTIES UNTIL 515 PM CDT...
AT 438 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CASSVILLE...AND MOVING SOUTHEAST AT 25 MPH.
HAZARD...TORNADO...60 MPH WINDS AND QUARTER SIZE HAIL.
SOURCE...WEATHER SPOTTERS REPORTED A HISTORY OF FUNNEL CLOUDS WITH
THIS STORM.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL GRANT
AND SOUTHEASTERN CLAYTON COUNTIES...INCLUDING THE FOLLOWING
LOCATIONS...MCCARTNEY...BIG H CAMPGROUND AND BURTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4274 9117 4285 9091 4275 9067 4265 9079
4267 9089 4265 9089 4264 9090 4264 9097
TIME...MOT...LOC 2142Z 296DEG 22KT 4272 9093
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
AJ872
WWUS53 KARX 122155
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
455 PM CDT WED JUN 12 2013
IAC043-WIC043-122215-
/O.CON.KARX.TO.W.0022.000000T0000Z-130612T2215Z/
CLAYTON IA-GRANT WI-
455 PM CDT WED JUN 12 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL GRANT AND EXTREME
SOUTHEASTERN CLAYTON COUNTIES UNTIL 515 PM CDT...
AT 452 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BALLTOWN...AND MOVING SOUTHEAST AT 25 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF SOUTHERN GRANT COUNTY AND SOUTHEASTERN
CLAYTON COUNTY...INCLUDING THE AREA BETWEEN NORTH BUENA VISTA TO
SPECHTS FERRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
IF ON OR NEAR THE MISSISSIPPI RIVER...GET AWAY FROM THE WATER AND
MOVE TO SHELTER. TORNADOES CAN MOVE ACROSS WATER. IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. BOATS CAN
BE SWAMPED BY LARGE CAPSIZING WAVES CAUSED BY A TORNADO...EVEN ON
SMALL BODIES OF WATER. MOVE INTO DOCK AND SEEK SAFE SHELTER NOW.
&&
LAT...LON 4269 9106 4279 9078 4273 9070 4265 9079
4267 9089 4265 9089 4264 9090 4264 9097
TIME...MOT...LOC 2154Z 305DEG 23KT 4267 9085
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
AJ648
WWUS53 KARX 122215
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
515 PM CDT WED JUN 12 2013
IAC043-WIC043-122225-
/O.EXP.KARX.TO.W.0022.000000T0000Z-130612T2215Z/
CLAYTON IA-GRANT WI-
515 PM CDT WED JUN 12 2013
...THE TORNADO WARNING FOR CENTRAL GRANT AND EXTREME SOUTHEASTERN
CLAYTON COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
ADDITIONAL STRONG TO SEVERE THUNDERSTORMS ARE STILL POSSIBLE...AND A
TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM.
LAT...LON 4269 9106 4279 9078 4273 9070 4265 9079
4267 9089 4265 9089 4264 9090 4264 9097
TIME...MOT...LOC 2155Z 305DEG 23KT 4267 9084
$$
AJThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 3:55 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 65 min |
| Jun 12, 4:05 PM CDT | Tornado Warning | ARX | Clayton | 25 min |
| Jun 12, 5:54 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 66 min |
| Jun 12, 4:35 PM CDT | Severe Thunderstorm Warning | ARX | Grant, Richland | 55 min |
| Jun 12, 4:38 PM CDT | Tornado Warning | ARX | Grant | 37 min |
| Jun 12, 5:48 PM CDT | Areal Flood Advisory | ARX | Adams, Juneau | 3 hr |
Nearby
Tornado Warnings in Iowa, 2013Tornado Warnings in Wisconsin, 2013Every tornado warning in 2013Tornadoes in 2013
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.