Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 19, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 3, 2012, 8:09 AM CDT for Richland County, Wisconsin. It was in force for 26 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 3, 2012, 8:09 AM CDT (13:09 UTC)
- Expired
- May 3, 2012, 8:35 AM CDT
- In force
- 26 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Richland County, WI
The radar
The La Crosse radar (KARX), 89 km from the middle of the area, began a volume at 13:11 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 12:00Z, 1.2 hours before the alert went out and 181 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
- 2051 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
217
WUUS53 KARX 031309
SVRARX
WIC103-031345-
/O.NEW.KARX.SV.W.0019.120503T1309Z-120503T1345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
809 AM CDT THU MAY 3 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN RICHLAND COUNTY IN SOUTHWEST WISCONSIN...
* UNTIL 845 AM CDT
* AT 807 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR EAGLE CORNERS...OR 9 MILES
SOUTHWEST OF RICHLAND CENTER...MOVING NORTHEAST AT 45 MPH. THIS
STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF
60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
COUNTY ROADS O AND O O AND GOTHAM AROUND 815 AM...
RICHLAND CENTER AND HIGHWAY 58 AND COUNTY B AROUND 820 AM...
KEYESVILLE AND BEAR VALLEY AROUND 825 AM...
LOYD AROUND 830 AM...
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 4323 9019 4319 9029 4321 9033 4320 9042
4321 9055 4320 9058 4326 9062 4327 9063
4327 9062 4346 9019
TIME...MOT...LOC 1309Z 240DEG 39KT 4324 9045
WIND...HAIL 60MPH 1.00IN
$$
SHEA3 follow-up statements
191
WWUS53 KARX 031317
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
817 AM CDT THU MAY 3 2012
WIC103-031345-
/O.CON.KARX.SV.W.0019.000000T0000Z-120503T1345Z/
RICHLAND WI-
817 AM CDT THU MAY 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
RICHLAND COUNTY UNTIL 845 AM CDT...
AT 811 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR HIGHWAY 80 AND COUNTY Y...OR 6 MILES
SOUTHWEST OF RICHLAND CENTER...MOVING NORTHEAST AT 45 MPH. THIS STORM
CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WILL PASS JUST SOUTH OF THE
CITY OF RICHLAND CENTER.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HIGHWAY 130 AND COUNT B AROUND 820 AM...
KEYESVILLE AND ITHACA AROUND 825 AM...
LOYD AROUND 830 AM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. LARGE HAIL COULD BREAK WINDSHIELDS
AND WINDOWS. SCHOOL CHILDREN SHOULD NOT BE ALLOWED OUTSIDE UNTIL
THIS STORM PASSES.
&&
LAT...LON 4323 9047 4332 9050 4346 9019 4326 9019
4321 9033 4320 9042
TIME...MOT...LOC 1316Z 240DEG 40KT 4328 9037
WIND...HAIL 60MPH 1.75IN
$$
SHEA441
WWUS53 KARX 031327
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
827 AM CDT THU MAY 3 2012
WIC103-031345-
/O.CON.KARX.SV.W.0019.000000T0000Z-120503T1345Z/
RICHLAND WI-
827 AM CDT THU MAY 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
RICHLAND COUNTY UNTIL 845 AM CDT...
AT 817 AM SMALL HAIL WAS REPORTED BY WRCO RADIO IN RICHLAND CENTER.
LARGER HAIL MAY HAVE FALLEN SOUTHWEST AND SOUTH OF RICHLAND CENTER
EARLIER...BUT THIS STORM HAS BEEN WEAKENING SLIGHTLY AS IT
APPROACHES RURAL AREAS EAST OF RICHLAND CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN INSIDE AS STORMS PASS. IF YOU WITNESS ANY HAIL...PLEASE
REPORT IT.
&&
LAT...LON 4327 9024 4327 9034 4328 9039 4337 9038
4346 9019 4326 9019
TIME...MOT...LOC 1326Z 241DEG 38KT 4333 9025
WIND...HAIL 60MPH 1.25IN
$$
SHEA846
WWUS53 KARX 031335
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
835 AM CDT THU MAY 3 2012
WIC103-031345-
/O.CAN.KARX.SV.W.0019.000000T0000Z-120503T1345Z/
RICHLAND WI-
835 AM CDT THU MAY 3 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN RICHLAND COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA. THERE HAS BEEN NO SEVERE WEATHER REPORTED WITH THIS STORM SO
FAR.
LAT...LON 4327 9024 4327 9034 4328 9039 4337 9038
4346 9019 4326 9019
TIME...MOT...LOC 1335Z 241DEG 38KT 4338 9013
$$
SHEAThe 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 2, 10:26 PM CDT | Severe Thunderstorm Warning | ARX | Jackson | 30 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 |
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.