Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 13, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 2, 2012, 10:26 PM CDT for Jackson County, Wisconsin. It was in force for 30 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
- May 2, 2012, 10:26 PM CDT (03:26 UTC)
- Expired
- May 2, 2012, 10:56 PM CDT
- In force
- 30 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Jackson County, WI
The radar
The La Crosse radar (KARX), 57 km from the middle of the area, began a volume at 03:26 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 |
|---|---|---|---|
| May 2, 7:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.4 hours before the alert went out and 212 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
- 84 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1937 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
715
WUUS53 KARX 030326
SVRARX
WIC053-030430-
/O.NEW.KARX.SV.W.0013.120503T0326Z-120503T0430Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1026 PM CDT WED MAY 2 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL JACKSON COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1130 PM CDT
* AT 1022 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED 7 MILES WEST OF TAYLOR...OR NEAR
WHITEHALL...MOVING EAST AT 30 MPH. THIS STORM CAN PRODUCE QUARTER
SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
FRANKLIN AROUND 1030 PM...
TAYLOR AND YORK AROUND 1035 PM...
I 94 EXIT 98 AND NORTHFIELD AROUND 1040 PM...
HIXTON AND I 94 EXIT 105 AROUND 1045 PM...
HIXTON ALMA CENTER K O A AND NORTH BRANCH AROUND 1050 PM...
ALMA CENTER AND PERRY CREEK RECREATION AREA AROUND 1055 PM...
BLACK RIVER FALLS AND I 94 EXIT 115 AROUND 1100 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4422 9080 4419 9115 4424 9115 4425 9117
4427 9117 4450 9117 4451 9101 4451 9080
TIME...MOT...LOC 0326Z 260DEG 28KT 4433 9121
WIND...HAIL 60MPH 1.00IN
$$
RRS2 follow-up statements
810
WWUS53 KARX 030344
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1044 PM CDT WED MAY 2 2012
WIC053-030430-
/O.CON.KARX.SV.W.0013.000000T0000Z-120503T0430Z/
JACKSON WI-
1044 PM CDT WED MAY 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
JACKSON COUNTY UNTIL 1130 PM CDT...
AT 1040 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR TAYLOR...OR 11 MILES WEST OF BLACK
RIVER FALLS...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER
SIZE HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HIXTON ALMA CENTER K O A AROUND 1050 PM...
BLACK RIVER FALLS AND PERRY CREEK RECREATION AREA AROUND 1055 PM...
I 94 EXIT 115 AND VAUDREUIL AROUND 1100 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4422 9080 4419 9115 4424 9115 4425 9117
4427 9117 4450 9117 4451 9101 4451 9080
TIME...MOT...LOC 0344Z 262DEG 30KT 4433 9101
WIND...HAIL <50MPH 1.00IN
$$
RRS300
WWUS53 KARX 030356
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1056 PM CDT WED MAY 2 2012
WIC053-030405-
/O.CAN.KARX.SV.W.0013.000000T0000Z-120503T0430Z/
JACKSON WI-
1056 PM CDT WED MAY 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JACKSON COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. HOWEVER STRONG STORMS REMAIN ACROSS MUCH OF CENTRAL AND
WESTERN JACKSON COUNTY..AND COULD PRODUCE SMALL HAIL AND GUSTY
WINDS...IN ADDITION TO LIGHTNING AND VERY HEAVY RAIN.
LAT...LON 4422 9080 4419 9115 4424 9115 4425 9117
4427 9117 4450 9117 4451 9101 4451 9080
TIME...MOT...LOC 0355Z 262DEG 30KT 4434 9088
$$
RRSThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:48 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 72 min |
| May 2, 9:19 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 56 min |
| May 2, 9:23 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 67 min |
| May 2, 9:33 PM CDT | Tornado Warning | ARX | Buffalo | 27 min |
| May 2, 9:53 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 52 min |
| May 3, 7:11 AM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Trempealeau, Vernon | 49 min |
| May 3, 7:45 AM CDT | Severe Thunderstorm Warning | ARX | Adams | 30 min |
| May 3, 8:09 AM CDT | Severe Thunderstorm Warning | ARX | Richland | 26 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.