Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 22, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 3, 2012, 9:10 PM CDT for Clark County, Wisconsin. It was in force for 38 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 3, 2012, 9:10 PM CDT (02:10 UTC)
- Expired
- May 3, 2012, 9:48 PM CDT
- In force
- 38 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Clark County, WI
The radar
The La Crosse radar (KARX), 107 km from the middle of the area, began a volume at 02:13 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 3, 9:20 PM CDT | HAIL 0.75 | Rock Dam Lake, WI | |
| May 3, 9:22 PM CDT | HAIL 0.5 | 1 N Rock Dam Lake, WI | LOTS OF HAIL COVERING THE GROUND |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.2 hours before the alert went out and 214 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
- 382 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1258 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
542
WUUS53 KARX 040210
SVRARX
WIC019-040300-
/O.NEW.KARX.SV.W.0022.120504T0210Z-120504T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
910 PM CDT THU MAY 3 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL CLARK COUNTY IN CENTRAL WISCONSIN...
* UNTIL 1000 PM CDT
* AT 909 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR ROCK DAM LAKE...OR 20 MILES
NORTHWEST OF NEILLSVILLE...MOVING EAST AT 20 MPH. THIS STORM CAN
PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ROCK DAM LAKE AROUND 920 PM...
SEVEN SISTER MOUNDS AROUND 925 PM...
MEAD LAKE AND TIOGA AROUND 930 PM...
WILLARD AROUND 935 PM...
HOG CORNERS AND GLOBE AROUND 945 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 4463 9065 4467 9093 4483 9093 4484 9092
4483 9061
TIME...MOT...LOC 0210Z 279DEG 17KT 4476 9089
WIND...HAIL 60MPH 1.00IN
$$
HALBACH3 follow-up statements
395 WWUS53 KARX 040225 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 925 PM CDT THU MAY 3 2012 WIC019-040300- /O.CON.KARX.SV.W.0022.000000T0000Z-120504T0300Z/ CLARK WI- 925 PM CDT THU MAY 3 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL CLARK COUNTY UNTIL 1000 PM CDT... AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR WILLARD...OR 14 MILES NORTHWEST OF NEILLSVILLE...MOVING EAST AT 20 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HOG CORNERS AROUND 935 PM... GLOBE AROUND 940 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4467 9089 4480 9086 4480 9062 4463 9065 TIME...MOT...LOC 0225Z 284DEG 19KT 4472 9075 WIND...HAIL 60MPH 1.00IN $$ HALBACH
974 WWUS53 KARX 040238 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 938 PM CDT THU MAY 3 2012 WIC019-040300- /O.CON.KARX.SV.W.0022.000000T0000Z-120504T0300Z/ CLARK WI- 938 PM CDT THU MAY 3 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL CLARK COUNTY UNTIL 1000 PM CDT... AT 937 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR HOG CORNERS...OR 11 MILES NORTH OF NEILLSVILLE...MOVING EAST AT 20 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 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 4466 9081 4480 9072 4480 9062 4463 9065 TIME...MOT...LOC 0238Z 284DEG 19KT 4470 9066 WIND...HAIL 60MPH 1.00IN $$ HALBACH
281 WWUS53 KARX 040248 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 948 PM CDT THU MAY 3 2012 WIC019-040258- /O.CAN.KARX.SV.W.0022.000000T0000Z-120504T0300Z/ CLARK WI- 948 PM CDT THU MAY 3 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CLARK COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED AREA. LAT...LON 4466 9081 4480 9072 4480 9062 4463 9065 TIME...MOT...LOC 0248Z 284DEG 19KT 4469 9058 $$ HALBACH
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 8:21 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.