Alert archive / Wisconsin / Tornado Warnings in 2010
Tornado Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jul 7, 2010, 8:23 PM CDT for Grant County, Wisconsin. It was in force for 20 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
- Jul 7, 2010, 8:23 PM CDT (01:23 UTC)
- Expired
- Jul 7, 2010, 8:43 PM CDT
- In force
- 20 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
County Grant County, WI
The radar
The La Crosse radar (KARX), 98 km from the middle of the area, began a volume at 01:25 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
Davenport, (KDVN), launched 00:00Z, 1.4 hours before the alert went out and 165 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
- 571 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1042 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
653
WFUS53 KARX 080123
TORARX
WIC043-080200-
/O.NEW.KARX.TO.W.0007.100708T0123Z-100708T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
823 PM CDT WED JUL 7 2010
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN GRANT COUNTY IN SOUTHWEST WISCONSIN...
* UNTIL 900 PM CDT
* AT 820 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO NEAR CASTLE ROCK...OR 18 MILES NORTHEAST OF LANCASTER...
MOVING NORTHEAST AT 10 MPH.
* THE TORNADO WILL BE NEAR...
RED OAK RIDGE AROUND 835 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS! 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 4302 9056 4310 9060 4319 9043 4318 9042
4316 9042 4304 9042
TIME...MOT...LOC 0123Z 240DEG 11KT 4307 9051
$$
HALBACH2 follow-up statements
576
WWUS53 KARX 080132
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
832 PM CDT WED JUL 7 2010
WIC043-080200-
/O.CON.KARX.TO.W.0007.000000T0000Z-100708T0200Z/
GRANT WI-
832 PM CDT WED JUL 7 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN GRANT COUNTY
UNTIL 900 PM CDT...
AT 829 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR RED OAK RIDGE...OR 18 MILES SOUTH OF RICHLAND
CENTER...MOVING NORTHEAST AT 15 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED
FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND
COVER YOUR HEAD.
&&
LAT...LON 4302 9056 4310 9060 4319 9043 4318 9042
4316 9042 4304 9042
TIME...MOT...LOC 0132Z 246DEG 13KT 4308 9046
$$
HALBACH946
WWUS53 KARX 080143
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
843 PM CDT WED JUL 7 2010
WIC043-080153-
/O.CAN.KARX.TO.W.0007.000000T0000Z-100708T0200Z/
GRANT WI-
843 PM CDT WED JUL 7 2010
...THE TORNADO WARNING FOR NORTHEASTERN GRANT COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.
LAT...LON 4302 9056 4310 9060 4319 9043 4318 9042
4316 9042 4304 9042
TIME...MOT...LOC 0143Z 246DEG 13KT 4310 9041
$$
HALBACHThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:55 PM CDT | Flash Flood Warning | ARX | Grant | 4 hr |
Nearby
Tornado Warnings in Wisconsin, 2010Every tornado warning in 2010Tornadoes in 2010
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.