Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 84, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 30, 2011, 1:56 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 68 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
- Jul 30, 2011, 1:56 PM CDT (18:56 UTC)
- Expired
- Jul 30, 2011, 3:04 PM CDT
- In force
- 68 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 0.5 in
- Wind
- 60.0 mph
Counties Clark County, WI, Taylor County, WI
The radar
The La Crosse radar (KARX), 151 km from the middle of the area, began a volume at 18:56 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 |
|---|---|---|---|
| Jul 30, 1:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.9 hours before the alert went out and 186 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
- 652 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
844
WUUS53 KARX 301856
SVRARX
WIC019-119-302015-
/O.NEW.KARX.SV.W.0084.110730T1856Z-110730T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
156 PM CDT SAT JUL 30 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN CLARK COUNTY IN CENTRAL WISCONSIN...
SOUTHERN TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...
* UNTIL 315 PM CDT
* AT 151 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS ROUGHLY ALONG A LINE EXTENDING FROM 15 MILES
NORTHWEST OF THORP TO 11 MILES EAST OF CHIPPEWA FALLS...MOVING
SOUTHEAST AT 35 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN
EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORMS WILL BE NEAR...
THORP AROUND 210 PM...
OWEN AROUND 230 PM...
MEDFORD AND GREENWOOD AROUND 235 PM...
DORCHESTER AROUND 240 PM...
ABBOTSFORD AND LOYAL AROUND 245 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.
TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.
&&
LAT...LON 4522 9004 4512 9004 4512 9018 4504 9019
4503 9031 4456 9031 4472 9093 4526 9093
TIME...MOT...LOC 1856Z 295DEG 32KT 4513 9089 4486 9112
WIND...HAIL 60MPH <.50IN
$$
HALBACH5 follow-up statements
775
WWUS53 KARX 301910
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
210 PM CDT SAT JUL 30 2011
WIC019-119-302015-
/O.CON.KARX.SV.W.0084.000000T0000Z-110730T2015Z/
CLARK WI-TAYLOR WI-
210 PM CDT SAT JUL 30 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
TAYLOR AND NORTHERN CLARK COUNTIES UNTIL 315 PM CDT...
AT 205 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM LUBLIN TO
STANLEY...MOVING SOUTHEAST AT 35 MPH. THESE STORMS CAN PRODUCE
DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORMS WILL BE NEAR...
THORP AROUND 210 PM...
OWEN AROUND 230 PM...
GREENWOOD AND CURTISS AROUND 235 PM...
ABBOTSFORD AND LOYAL AROUND 245 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.
TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.
LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE
NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF
AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A
DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME
THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE
GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY
EVENING FOR NORTHWESTERN WISCONSIN.
&&
LAT...LON 4519 9004 4512 9004 4512 9018 4504 9019
4503 9031 4456 9031 4472 9093 4517 9093
TIME...MOT...LOC 1908Z 295DEG 32KT 4508 9075 4481 9099
WIND...HAIL 60MPH <.50IN
$$
HALBACH303 WWUS53 KARX 301927 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 227 PM CDT SAT JUL 30 2011 WIC119-301935- /O.CAN.KARX.SV.W.0084.000000T0000Z-110730T2015Z/ TAYLOR WI- 227 PM CDT SAT JUL 30 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN 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 800 PM CDT SATURDAY EVENING FOR NORTHWESTERN WISCONSIN. LAT...LON 4456 9031 4472 9093 4503 9093 4503 9030 TIME...MOT...LOC 1925Z 295DEG 32KT 4502 9056 4480 9076 $$ WIC019-302015- /O.CON.KARX.SV.W.0084.000000T0000Z-110730T2015Z/ CLARK WI- 227 PM CDT SAT JUL 30 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 315 PM CDT... AT 224 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM OWEN TO MEAD LAKE...MOVING SOUTHEAST AT 35 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... GREENWOOD AND ATWOOD AROUND 235 PM... LOYAL AROUND 245 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY EVENING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4456 9031 4472 9093 4503 9093 4503 9030 TIME...MOT...LOC 1925Z 295DEG 32KT 4502 9056 4480 9076 WIND...HAIL 60MPH <.50IN $$ HALBACH
108 WWUS53 KARX 301943 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 243 PM CDT SAT JUL 30 2011 WIC019-302015- /O.CON.KARX.SV.W.0084.000000T0000Z-110730T2015Z/ CLARK WI- 243 PM CDT SAT JUL 30 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 315 PM CDT... AT 238 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE ROUGHLY ALONG A LINE EXTENDING FROM ABBOTSFORD TO GREENWOOD...MOVING SOUTHEAST AT 40 MPH. THESE STORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... LOYAL AND RIPLINGER AT 245 PM... VEEFKIND AT 250 PM... RURAL EAST CENTRAL CLARK COUNTY AT 300 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 800 PM SATURDAY EVENING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4503 9030 4456 9031 4472 9093 4495 9093 TIME...MOT...LOC 1942Z 297DEG 34KT 4490 9024 4474 9052 WIND...HAIL 60MPH <.50IN $$ HALBACH
910 WWUS53 KARX 301957 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 257 PM CDT SAT JUL 30 2011 WIC019-302015- /O.CON.KARX.SV.W.0084.000000T0000Z-110730T2015Z/ CLARK WI- 257 PM CDT SAT JUL 30 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN CLARK COUNTY UNTIL 315 PM CDT... AT 253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR LOYAL...OR 13 MILES NORTHEAST OF NEILLSVILLE...MOVING SOUTHEAST AT 15 MPH. THIS STORM CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VEEFKIND AROUND 305 PM... CHILI AROUND 315 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LIGHTNING AND FALLING TREES CAN KILL. CAMPING VEHICLES AND TENTS ARE NOT SAFE DURING THUNDERSTORMS. MOVE TO A PRE-DESIGNATED SHELTER IF AVAILABLE. IF NO STRONG SHELTER IS AVAILABLE...SEEK SHELTER IN A DEPRESSION OR RAVINE...BUT AVOID STREAM BEDS AND DRY WASHES. ASSUME THE LIGHTNING POSITION BY MINIMIZING YOUR HEIGHT AND CONTACT WITH THE GROUND. CROUCH LOW AND WRAP YOUR ARMS AROUND YOUR LEGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY EVENING FOR NORTHWESTERN WISCONSIN. && LAT...LON 4503 9030 4456 9031 4472 9093 4495 9093 TIME...MOT...LOC 1957Z 308DEG 15KT 4471 9043 WIND...HAIL 60MPH <.50IN $$ HALBACH
604 WWUS53 KARX 302004 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 304 PM CDT SAT JUL 30 2011 WIC019-302014- /O.CAN.KARX.SV.W.0084.000000T0000Z-110730T2015Z/ CLARK WI- 304 PM CDT SAT JUL 30 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CLARK COUNTY IS CANCELLED... THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED ACROSS THE WARNED AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING FOR NORTHWESTERN WISCONSIN. LAT...LON 4503 9030 4456 9031 4472 9093 4495 9093 TIME...MOT...LOC 2004Z 297DEG 34KT 4480 8998 4464 9026 $$ HALBACH
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 12:55 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 65 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.