Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 72, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 19, 2011, 8:45 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 60 min. 5 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
- Jul 19, 2011, 8:45 PM CDT (01:45 UTC)
- Expired
- Jul 19, 2011, 9:45 PM CDT
- In force
- 60 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clark County, WI, Taylor County, WI
The radar
The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 01:44 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 |
|---|---|---|---|
| Jul 19, 8:55 PM CDT | TSTM WND GST 60 | Thorp, WI | |
| Jul 19, 9:06 PM CDT | TSTM WND GST 55 | 1 N Veefkind, WI | |
| Jul 19, 9:12 PM CDT | TSTM WND DMG | 5 N Thorp, WI | TREE DOWN AT INTERSECTION OF HWY 73 AND HICKORY. |
| Jul 19, 9:38 PM CDT | TSTM WND GST 60 | 1 N Veefkind, WI | |
| Jul 19, 9:40 PM CDT | TSTM WND GST 60 | Christie, 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 |
|---|---|---|---|
| Jul 19, 5:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.8 hours before the alert went out and 198 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
- 1847 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
091 WUUS53 KARX 200145 SVRARX WIC019-119-200245- /O.NEW.KARX.SV.W.0072.110720T0145Z-110720T0245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 845 PM CDT TUE JUL 19 2011 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLARK COUNTY IN CENTRAL WISCONSIN... SOUTHWESTERN TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN... * UNTIL 945 PM CDT * AT 844 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ROUGHLY ALONG A LINE EXTENDING FROM SPENCER TO THORP...MOVING SOUTH AT 10 MPH. THESE STORMS CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS WARNING EXTENDS THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR CLARK AND TAYLOR COUNTIES. * THE SEVERE THUNDERSTORMS WILL BE NEAR... LOYAL AROUND 850 PM... GREENWOOD AROUND 855 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 4497 9030 4449 9031 4468 9093 4513 9093 TIME...MOT...LOC 0145Z 007DEG 10KT 4469 9034 4494 9093 WIND...HAIL 60MPH 1.00IN $$ HALBACH
5 follow-up statements
026 WWUS53 KARX 200156 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 856 PM CDT TUE JUL 19 2011 WIC019-119-200245- /O.CON.KARX.SV.W.0072.000000T0000Z-110720T0245Z/ CLARK WI-TAYLOR WI- 856 PM CDT TUE JUL 19 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN TAYLOR AND CLARK COUNTIES UNTIL 945 PM CDT... TRAINED WEATHER SPOTTERS REPORTED WINDS OF 60 MPH IN THORP WITH A LINE OF SEVERE THUNDERSTORMS. AT 854 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM SPENCER TO THORP...MOVING SOUTH AT 10 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... LOYAL AROUND 910 PM... GREENWOOD AROUND 915 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY MORNING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4497 9030 4449 9031 4468 9093 4513 9093 TIME...MOT...LOC 0156Z 006DEG 8KT 4472 9038 4492 9087 WIND...HAIL 60MPH <.50IN $$ HALBACH
278 WWUS53 KARX 200210 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 910 PM CDT TUE JUL 19 2011 WIC019-119-200245- /O.CON.KARX.SV.W.0072.000000T0000Z-110720T0245Z/ CLARK WI-TAYLOR WI- 910 PM CDT TUE JUL 19 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN TAYLOR AND CLARK COUNTIES UNTIL 945 PM CDT... TRAINED WEATHER SPOTTERS REPORTED WINDS OF 60 MPH IN THORP AT 855 PM WITH A LINE OF SEVERE THUNDERSTORMS. AT 903 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM LOYAL TO THORP...MOVING SOUTH AT 10 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... GREENWOOD AND LONGWOOD AROUND 915 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY MORNING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4497 9030 4449 9031 4468 9093 4513 9093 TIME...MOT...LOC 0209Z 006DEG 8KT 4469 9038 4489 9087 WIND...HAIL 60MPH <.50IN $$ HALBACH
618 WWUS53 KARX 200217 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 917 PM CDT TUE JUL 19 2011 WIC019-119-200245- /O.CON.KARX.SV.W.0072.000000T0000Z-110720T0245Z/ CLARK WI-TAYLOR WI- 917 PM CDT TUE JUL 19 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN TAYLOR AND CLARK COUNTIES UNTIL 945 PM CDT... AT 913 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM THORP TO 6 MILES SOUTH OF STANLEY...MOVING SOUTHEAST AT 40 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... GREENWOOD AND ABBOTSFORD AROUND 930 PM... LOYAL AROUND 940 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY MORNING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4497 9030 4449 9031 4468 9093 4513 9093 TIME...MOT...LOC 0216Z 317DEG 37KT 4493 9068 4479 9088 WIND...HAIL 60MPH <.50IN $$ HALBACH
395 WWUS53 KARX 200230 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 930 PM CDT TUE JUL 19 2011 WIC019-119-200245- /O.CON.KARX.SV.W.0072.000000T0000Z-110720T0245Z/ CLARK WI-TAYLOR WI- 930 PM CDT TUE JUL 19 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN TAYLOR AND CLARK COUNTIES UNTIL 945 PM CDT... AT 927 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM GREENWOOD TO ROCK DAM LAKE...MOVING SOUTHEAST AT 45 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... LOYAL AROUND 940 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY MORNING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4497 9030 4449 9031 4468 9093 4513 9093 TIME...MOT...LOC 0230Z 317DEG 37KT 4479 9060 4468 9080 WIND...HAIL 60MPH <.50IN $$ HALBACH
701 WWUS53 KARX 200234 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 934 PM CDT TUE JUL 19 2011 WIC119-200243- /O.CAN.KARX.SV.W.0072.000000T0000Z-110720T0245Z/ TAYLOR WI- 934 PM CDT TUE JUL 19 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN TAYLOR COUNTY IS CANCELLED... THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT WEDNESDAY MORNING FOR NORTHWESTERN WISCONSIN. LAT...LON 4499 9093 4497 9030 4449 9031 4468 9093 TIME...MOT...LOC 0233Z 317DEG 37KT 4477 9057 4466 9077 $$ WIC019-200245- /O.CON.KARX.SV.W.0072.000000T0000Z-110720T0245Z/ CLARK WI- 934 PM CDT TUE JUL 19 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL CLARK COUNTY UNTIL 945 PM CDT... TRAINED SPOTTERS REPORTED WINDS OF 60 MPH AND TREES DOWN NEAR THORP WITH A LINE OF SEVERE THUNDERSTORMS. AT 932 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM GREENWOOD TO ROCK DAM LAKE...MOVING SOUTHEAST AT 45 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... LOYAL AROUND 940 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY MORNING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4499 9093 4497 9030 4449 9031 4468 9093 TIME...MOT...LOC 0233Z 317DEG 37KT 4477 9057 4466 9077 WIND...HAIL 60MPH <.50IN $$ HALBACH
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:19 PM CDT | Tornado Warning | ARX | Clark, Taylor | 26 min |
| Jul 19, 7:43 PM CDT | Tornado Warning | ARX | Clark, Taylor | 32 min |
| Jul 19, 7:45 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 60 min |
| Jul 19, 8:37 PM CDT | Flash Flood Warning | ARX | Clark, Taylor | 4 hr |
| Jul 19, 9:41 PM CDT | Flash Flood Warning | ARX | Clark | 3 hr |
| Jul 19, 9:45 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson, Trempealeau | 60 min |
| Jul 19, 10:27 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 63 min |
| Jul 20, 12:25 AM CDT | Areal Flood Warning | ARX | Clark, Taylor | 9 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2011Every severe thunderstorm warning in 2011
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.