Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 59, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 18, 2012, 2:14 PM CDT for Clark County, Wisconsin. It was in force for 46 min. 3 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
- Jun 18, 2012, 2:14 PM CDT (19:14 UTC)
- Expired
- Jun 18, 2012, 3:00 PM CDT
- In force
- 46 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), 128 km from the middle of the area, began a volume at 19:17 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 |
|---|---|---|---|
| Jun 18, 2:19 PM CDT | HAIL 0.88 | 2 Sw Colby, WI | |
| Jun 18, 2:21 PM CDT | HAIL 1 | 1 Sw Colby, WI | JUST LARGER THAN A QUARTER. |
| Jun 18, 2:22 PM CDT | HAIL 1.75 | Colby, 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 |
|---|---|---|---|
| Jun 18, 12:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 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
- 67 J/kg
- Mixed-layer CIN
- -387 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 524 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
957 WUUS53 KARX 181914 SVRARX WIC019-182000- /O.NEW.KARX.SV.W.0059.120618T1914Z-120618T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 214 PM CDT MON JUN 18 2012 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CLARK COUNTY IN CENTRAL WISCONSIN... * UNTIL 300 PM CDT * AT 208 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR ATWOOD...OR 21 MILES SOUTH OF MEDFORD...MOVING EAST AT 40 MPH. OTHER STRONG STORMS WERE MOVING OUT OF EAU CLAIRE COUNTY THAT COULD ALSO STRENGTHEN. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ABBOTSFORD AND DORCHESTER AROUND 225 PM... OWEN AND WITHEE AROUND 230 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. && LAT...LON 4480 9032 4474 9092 4503 9093 4504 9031 TIME...MOT...LOC 1913Z 250DEG 34KT 4487 9042 WIND...HAIL 60MPH 1.00IN $$ SHEA
5 follow-up statements
702 WWUS53 KARX 181923 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 223 PM CDT MON JUN 18 2012 WIC019-182000- /O.CON.KARX.SV.W.0059.000000T0000Z-120618T2000Z/ CLARK WI- 223 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 300 PM CDT... THE PUBLIC REPORTED NICKEL SIZE HAIL JUST SOUTHWEST OF COLBY WISCONSIN WITH A THUNDERSTORM MOVING BY AT 220 PM. THE HAIL COULD GET LARGER...BUT THE STORM WILL BE MOVING INTO MARATHON COUNTY SHORTLY. ANOTHER STORM WAS OVER ABBOTSFORD...WHILE ANOTHER WAS MOVING IN FROM THE WEST. IN ADDITION TO HAIL...HEAVY RAIN AND GUSTY WINDS ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM. && LAT...LON 4480 9032 4474 9092 4503 9093 4504 9031 TIME...MOT...LOC 1921Z 252DEG 44KT 4491 9027 WIND...HAIL 60MPH 1.00IN $$ SHEA
585 WWUS53 KARX 181926 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 226 PM CDT MON JUN 18 2012 WIC019-182000- /O.CON.KARX.SV.W.0059.000000T0000Z-120618T2000Z/ CLARK WI- 226 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 300 PM... TRAINED WEATHER SPOTTERS REPORTED GOLF BALL SIZE HAIL IN COLBY. THIS STORM HAS MOVED INTO WESTERN MARATHON COUNTY. THE STORM NEAR ABBOTSFORD HAS ALSO SHIFTED EAST. ADDITIONAL STORMS ARE MOVING OUT OF EAU CLAIRE COUNTY AND MAY BECOME SEVERE DURING THE NEXT 15 TO 20 MINUTES...WHICH COULD PASS NEAR OWEN AND WITHEE. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF STORMS MOVE INTO YOUR AREA...MOVE INDOORS AND STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM. && LAT...LON 4480 9032 4474 9092 4503 9093 4504 9031 TIME...MOT...LOC 1925Z 250DEG 27KT 4491 9031 WIND...HAIL <50MPH 1.00IN $$ SHEA
760 WWUS53 KARX 181936 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 236 PM CDT MON JUN 18 2012 WIC019-182000- /O.CON.KARX.SV.W.0059.000000T0000Z-120618T2000Z/ CLARK WI- 236 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 300 PM CDT... AT 231 PM...A STRONG TO SEVERE THUNDERSTORM WAS JUST NORTHEAST OF GREENWOOD...MOVING TOWARDS THE RIPLINGER AREA. THIS STORM COULD PRODUCE LARGE HAIL AND GUSTY WINDS IN ADDITION TO HEAVY RAIN. ANOTHER STORM WAS MOVING OUT OF EAU CLAIRE COUNTY THAT MAY APPROACH THE GREENWOOD AREA DURING THE NEXT 20 MINUTES. STORMS CLOSER TO OWEN AND WITHEE HAVE WEAKENED. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF STORMS MOVE INTO YOUR AREA...MOVE INDOORS AT ONCE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM. && LAT...LON 4480 9032 4474 9092 4503 9093 4504 9031 TIME...MOT...LOC 1933Z 245DEG 43KT 4482 9049 WIND...HAIL 60MPH 0.75IN $$ SHEA
958 WWUS53 KARX 181944 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 244 PM CDT MON JUN 18 2012 WIC019-182000- /O.CON.KARX.SV.W.0059.000000T0000Z-120618T2000Z/ CLARK WI- 244 PM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 300 PM CDT... AT 240 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR RIPLINGER...OR 21 MILES SOUTH OF MEDFORD...MOVING EAST AT 45 MPH. THIS STORM CAN PRODUCE PENNY SIZE HAIL AND HEAVY RAIN. OTHER STORMS ARE SCATTERED ACROSS THE COUNTY BUT NONE APPEAR OVERLY STRONG AT THIS TIME. USE CAUTION THOUGH IN CASE ANOTHER STORM INTENSIFIES AND DROPS HAIL...HEAVY RAIN AND GUSTY WIND. STORMS ARE POSSIBLE THROUGH AT LEAST 330 PM. && LAT...LON 4480 9032 4474 9092 4503 9093 4504 9031 TIME...MOT...LOC 1943Z 254DEG 39KT 4485 9034 WIND...HAIL <50MPH 0.75IN $$ SHEA
167 WWUS53 KARX 181955 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 255 PM CDT MON JUN 18 2012 WIC019-182004- /O.EXP.KARX.SV.W.0059.000000T0000Z-120618T2000Z/ CLARK WI- 255 PM CDT MON JUN 18 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CLARK COUNTY WILL EXPIRE AT 300 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. THE OTHER STORMS IN THE COUNTY ARE REMAINING ABOUT THE SAME INTENSITY AND APPEAR TO BE NON SEVERE. THE TREND FOR STORMS WILL LOWER THROUGH THE LATE AFTERNOON...BUT A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM. LAT...LON 4480 9032 4474 9092 4503 9093 4504 9031 TIME...MOT...LOC 1954Z 254DEG 39KT 4488 9018 $$ SHEA
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:29 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 31 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.