Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 92, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 23, 2011, 4:43 PM CDT for Clark County, Wisconsin. It was in force for 32 min. 4 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
- Aug 23, 2011, 4:43 PM CDT (21:43 UTC)
- Expired
- Aug 23, 2011, 5:15 PM CDT
- In force
- 32 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Clark County, WI
The radar
The La Crosse radar (KARX), 126 km from the middle of the area, began a volume at 21:44 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 |
|---|---|---|---|
| Aug 23, 5:01 PM CDT | HAIL 1 | Loyal, WI | |
| Aug 23, 5:05 PM CDT | TORNADO | 7 Nw Chili, WI | TORNADO RATED AN EF2 WITH ESTIMATED WINDS IN THE 120 TO 130 MPH RANGE. AVERAGE WIDTH WAS AROUND 200 YARDS. TORNADO TOUCHED DOWN AROUND 505 PM 7 MILES NORTHWEST OF CHILI NEAR THE INTERSECTION OF BOBWHITE ROAD AND ROMADKA AVENUE. THE TORNADO THEN TRAVELED APPROX |
| Aug 23, 5:15 PM CDT | TORNADO | 5 Nw Chili, WI | |
| Aug 23, 5:20 PM CDT | TSTM WND DMG | 1 S Chili, WI |
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 12:00Z, 9.7 hours before the alert went out and 192 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
- 45 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
640 WUUS53 KARX 232143 SVRARX WIC019-232215- /O.NEW.KARX.SV.W.0092.110823T2143Z-110823T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 443 PM CDT TUE AUG 23 2011 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CLARK COUNTY IN CENTRAL WISCONSIN... * UNTIL 515 PM CDT * AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR LONGWOOD...OR 22 MILES NORTH OF NEILLSVILLE...MOVING SOUTHEAST AT 35 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. TRAINED WEATHER SPOTTERS HAVE ALREADY REPORTED GOLF BALL SIZE HAIL WITH THIS STORM. THIS WARNING EXTENDS THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR CLARK COUNTY. * THE SEVERE THUNDERSTORM WILL BE NEAR... COUNTY K AND CAPITAL ROAD AND HIGHWAY 73 AND 98 AROUND 450 PM... LOYAL AND RIPLINGER AROUND 455 PM... COUNTY ROADS H AND K AROUND 500 PM... VEEFKIND AROUND 505 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4488 9031 4450 9031 4487 9082 4501 9061 TIME...MOT...LOC 2142Z 311DEG 31KT 4486 9056 WIND...HAIL 60MPH 1.75IN $$ BOYNE
4 follow-up statements
323 WWUS53 KARX 232156 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 456 PM CDT TUE AUG 23 2011 WIC019-232215- /O.CON.KARX.SV.W.0092.000000T0000Z-110823T2215Z/ CLARK WI- 456 PM CDT TUE AUG 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL CLARK COUNTY UNTIL 515 PM CDT... AT 453 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR COUNTY K AND CAPITAL ROAD...OR 18 MILES NORTH OF NEILLSVILLE...MOVING SOUTHEAST AT 35 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VEEFKIND AROUND 505 PM... CHILI AND LYNN AROUND 510 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4478 9068 4492 9044 4488 9031 4450 9031 TIME...MOT...LOC 2155Z 311DEG 31KT 4479 9044 WIND...HAIL 60MPH 1.75IN $$ BOYNE
782 WWUS53 KARX 232202 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 502 PM CDT TUE AUG 23 2011 WIC019-232215- /O.CON.KARX.SV.W.0092.000000T0000Z-110823T2215Z/ CLARK WI- 502 PM CDT TUE AUG 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL CLARK COUNTY UNTIL 515 PM CDT... AT 458 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR RIPLINGER...OR 17 MILES NORTHEAST OF NEILLSVILLE...MOVING SOUTHEAST AT 35 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LYNN AROUND 510 PM... CHILI AND CHILI CORNERS AROUND 515 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4478 9068 4492 9044 4488 9031 4450 9031 TIME...MOT...LOC 2202Z 311DEG 31KT 4475 9038 WIND...HAIL 60MPH 1.75IN $$ BOYNE
283 WWUS53 KARX 232206 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 506 PM CDT TUE AUG 23 2011 WIC019-232215- /O.CON.KARX.SV.W.0092.000000T0000Z-110823T2215Z/ CLARK WI- 506 PM CDT TUE AUG 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL CLARK COUNTY UNTIL 515 PM CDT... AT 501 PM...THE PUBLIC REPORTED GOLF BALL SIZE HAIL IN LOYAL. AT 502 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE THUNDERSTORM WAS LOCATED NEAR LOYAL...OR 13 MILES NORTHEAST OF NEILLSVILLE...MOVING SOUTHEAST AT 35 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VEEFKIND AROUND 510 PM... CHILI AND CHILI CORNERS AROUND 515 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4478 9068 4492 9044 4488 9031 4450 9031 TIME...MOT...LOC 2205Z 307DEG 32KT 4471 9042 WIND...HAIL 60MPH 1.75IN $$ BOYNE
191 WWUS53 KARX 232210 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 510 PM CDT TUE AUG 23 2011 WIC019-232215- /O.CON.KARX.SV.W.0092.000000T0000Z-110823T2215Z/ CLARK WI- 510 PM CDT TUE AUG 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL CLARK COUNTY UNTIL 515 PM CDT... AT 501 PM...THE PUBLIC REPORTED GOLF BALL SIZE HAIL IN LOYAL. AT 507 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE SEVERE THUNDERSTORM WAS LOCATED NEAR VEEFKIND...OR 13 MILES NORTHEAST OF NEILLSVILLE...MOVING SOUTHEAST AT 35 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CHILI CORNERS AROUND 515 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4478 9068 4492 9044 4488 9031 4450 9031 TIME...MOT...LOC 2210Z 307DEG 32KT 4468 9037 WIND...HAIL 60MPH 1.75IN $$ BOYNE
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 3:57 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 63 min |
| Aug 23, 4:54 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 66 min |
| Aug 23, 5:18 PM CDT | Tornado Warning | ARX | Clark | 16 min |
| Aug 23, 5:47 PM CDT | Tornado Warning | ARX | Clark, Jackson | 35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.