Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 39, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 24, 2012, 5:00 PM CDT for Buffalo County, La Crosse County, Trempealeau County, Wisconsin; Winona County, Minnesota. It was in force for 35 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 24, 2012, 5:00 PM CDT (22:00 UTC)
- Expired
- May 24, 2012, 5:35 PM CDT
- In force
- 35 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Winona County, MN, Buffalo County, WI, La Crosse County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 36 km from the middle of the area, began a volume at 22:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 24, 5:05 PM CDT | TSTM WND DMG | Winona, MN | WIDESPREAD TREE DAMAGE IN WINONA. |
| May 24, 5:10 PM CDT | HAIL 0.75 | 2 Wsw Galesville, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 24, 2:22 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.0 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.
- Mixed-layer CAPE
- 13 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
129
WUUS53 KARX 242200
SVRARX
MNC169-WIC011-063-121-242245-
/O.NEW.KARX.SV.W.0039.120524T2200Z-120524T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
500 PM CDT THU MAY 24 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN WINONA COUNTY IN SOUTHEAST MINNESOTA...
SOUTHEASTERN BUFFALO COUNTY IN WEST CENTRAL WISCONSIN...
NORTHWESTERN LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHERN TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 545 PM CDT
* AT 456 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS ROUGHLY ALONG A LINE EXTENDING FROM FOUNTAIN
CITY TO TREMPEALEAU TO HOUSTON...MOVING NORTHEAST AT 50 MPH. THESE
STORMS CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH.
* THE SEVERE THUNDERSTORMS WILL BE NEAR...
TREMPEALEAU AROUND 505 PM...
DAKOTA AND GALESVILLE AROUND 510 PM...
HOLMEN AND BRICE PRAIRIE AROUND 515 PM...
BLAIR AROUND 525 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES...AND CAN DO SO QUICKLY.
MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.
&&
LAT...LON 4440 9117 4425 9117 4424 9115 4407 9115
4407 9098 4402 9102 4384 9135 4385 9154
4391 9160 4409 9172 4423 9144 4443 9123
TIME...MOT...LOC 2200Z 225DEG 44KT 4416 9160 4398 9146
4386 9147
WIND...HAIL 60MPH 1.00IN
$$
DTJ2 follow-up statements
913
WWUS53 KARX 242209
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
509 PM CDT THU MAY 24 2012
MNC169-WIC011-063-121-242245-
/O.CON.KARX.SV.W.0039.000000T0000Z-120524T2245Z/
WINONA MN-BUFFALO WI-LA CROSSE WI-TREMPEALEAU WI-
509 PM CDT THU MAY 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
TREMPEALEAU...NORTHWESTERN LA CROSSE...SOUTHEASTERN BUFFALO AND EAST
CENTRAL WINONA COUNTIES UNTIL 545 PM CDT...
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WINDS OF 60 MPH IN
PLEASANTVILLE WITH A LINE OF SEVERE THUNDERSTORMS.
AT 505 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM ARCADIA TO
TREMPEALEAU TO DAKOTA...MOVING NORTHEAST AT 50 MPH. THESE STORMS CAN
PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORMS WILL BE NEAR...
HOLMEN AROUND 515 PM...
BLAIR AROUND 525 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES...AND CAN DO SO QUICKLY.
MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM THURSDAY EVENING FOR
SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.
&&
LAT...LON 4440 9117 4425 9117 4424 9115 4407 9115
4407 9098 4402 9102 4389 9134 4388 9151
4395 9156 4413 9164 4423 9144 4443 9123
TIME...MOT...LOC 2208Z 225DEG 44KT 4423 9150 4405 9136
4393 9137
WIND...HAIL 60MPH 1.00IN
$$
04336
WWUS53 KARX 242235
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
535 PM CDT THU MAY 24 2012
MNC169-WIC011-063-121-242245-
/O.CAN.KARX.SV.W.0039.000000T0000Z-120524T2245Z/
WINONA MN-BUFFALO WI-LA CROSSE WI-TREMPEALEAU WI-
535 PM CDT THU MAY 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TREMPEALEAU...
NORTHWESTERN LA CROSSE...SOUTHEASTERN BUFFALO AND EAST CENTRAL WINONA
COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
A TORNADO WATCH REMAINS IN EFFECT. CONDITIONS REMAIN FAVORABLE FOR
ADDITIONAL SEVERE THUNDERSTORMS TO DEVELOP THAT MAY PRODUCE
TORNADOES.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.
LAT...LON 4440 9117 4425 9117 4424 9115 4407 9115
4407 9098 4402 9102 4389 9134 4388 9151
4395 9156 4413 9164 4423 9144 4443 9123
TIME...MOT...LOC 2235Z 225DEG 44KT 4446 9117 4428 9103
4416 9104
$$
04The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 3:11 AM CDT | Wind Advisory | ARX | Adams, Clark, Crawford, Grant, Jackson, Juneau and 6 more | 16 hr |
| May 24, 4:27 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 33 min |
| May 24, 4:46 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Jackson, Trempealeau | 29 min |
| May 24, 5:16 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 29 min |
| May 24, 5:26 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson | 49 min |
| May 24, 5:36 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 39 min |
| May 24, 3:57 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Houston, Winona | 48 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2012Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.