Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 41, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 8, 2011, 6:38 PM CDT for Grant County, Wisconsin. It was in force for 52 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
- Jun 8, 2011, 6:38 PM CDT (23:38 UTC)
- Expired
- Jun 8, 2011, 7:30 PM CDT
- In force
- 52 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Grant County, WI
The radar
The La Crosse radar (KARX), 110 km from the middle of the area, began a volume at 23:39 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 8, 7:09 PM CDT | TSTM WND GST 60 | 4 N Platteville, WI | TREE LIMB FELL ON HOME |
| Jun 8, 7:16 PM CDT | TSTM WND DMG | 1 Nw Platteville, WI | TREES AND POWER LINES DOWN |
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 8, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 143 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
- 1876 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 1404 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
593 WUUS53 KARX 082338 SVRARX WIC043-090030- /O.NEW.KARX.SV.W.0041.110608T2338Z-110609T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 638 PM CDT WED JUN 8 2011 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL GRANT COUNTY IN SOUTHWEST WISCONSIN... * UNTIL 730 PM CDT * AT 634 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR KLONDYKE SECLUDED ACRES...OR 7 MILES NORTHWEST OF LANCASTER...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR PRESTON MOVING EAST AT 35 MPH. THIS STORM IS ALSO CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... ELLENBORO AND CORNELIA AROUND 645 PM... FENNIMORE AND STITZER AROUND 650 PM... PLATTEVILLE AND PRESTON AROUND 655 PM... CASTLE ROCK AND ARTHUR AROUND 700 PM... MONTFORT AND LIVINGSTON AROUND 705 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THESE STORMS...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 4301 9094 4311 9042 4269 9042 4268 9086 TIME...MOT...LOC 2336Z 255DEG 31KT 4292 9078 WIND...HAIL 60MPH 1.75IN $$ JW
4 follow-up statements
089 WWUS53 KARX 082352 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 652 PM CDT WED JUN 8 2011 WIC043-090030- /O.CON.KARX.SV.W.0041.000000T0000Z-110609T0030Z/ GRANT WI- 652 PM CDT WED JUN 8 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL GRANT COUNTY UNTIL 730 PM CDT... AT 648 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR MONTFORT...OR 14 MILES NORTHEAST OF LANCASTER...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE PING PONG BALL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR BEETOWN...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY EVENING FOR NORTHEAST IOWA AND SOUTHWEST WISCONSIN. && LAT...LON 4301 9094 4311 9042 4269 9042 4268 9086 TIME...MOT...LOC 2350Z 255DEG 31KT 4299 9047 WIND...HAIL 60MPH 1.50IN $$ JW
825 WWUS53 KARX 090006 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 706 PM CDT WED JUN 8 2011 WIC043-090030- /O.CON.KARX.SV.W.0041.000000T0000Z-110609T0030Z/ GRANT WI- 706 PM CDT WED JUN 8 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL GRANT COUNTY UNTIL 730 PM CDT... AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR LANCASTER MUNICIPAL AIRPORT...OR 6 MILES SOUTH OF LANCASTER...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ANNATON AROUND 715 PM... PLATTEVILLE AND UNION AROUND 720 PM... ARTHUR AND LIVINGSTON AROUND 725 PM... MONTFORT AND RED OAK RIDGE AROUND 730 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY EVENING FOR NORTHEAST IOWA AND SOUTHWEST WISCONSIN. && LAT...LON 4301 9094 4311 9042 4269 9042 4268 9086 TIME...MOT...LOC 0006Z 261DEG 30KT 4277 9064 WIND...HAIL 60MPH 1.00IN $$ JW
868 WWUS53 KARX 090014 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 714 PM CDT WED JUN 8 2011 WIC043-090030- /O.CON.KARX.SV.W.0041.000000T0000Z-110609T0030Z/ GRANT WI- 714 PM CDT WED JUN 8 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL GRANT COUNTY UNTIL 730 PM CDT... TRAINED WEATHER SPOTTERS REPORTED WINDS OF 60 MPH 4 MILES NORTH OF PLATTEVILLE AT 709 PM CDT. AT 711 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR ELLENBORO...OR NEAR PLATTEVILLE... MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ARTHUR AROUND 720 PM... LIVINGSTON AND MONTFORT AROUND 725 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY EVENING FOR NORTHEAST IOWA AND SOUTHWEST WISCONSIN. && LAT...LON 4301 9094 4311 9042 4269 9042 4268 9086 TIME...MOT...LOC 0013Z 261DEG 30KT 4278 9052 WIND...HAIL 60MPH 1.00IN $$ JW
685 WWUS53 KARX 090033 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 733 PM CDT WED JUN 8 2011 WIC043-090044- /O.EXP.KARX.SV.W.0041.000000T0000Z-110609T0030Z/ GRANT WI- 733 PM CDT WED JUN 8 2011 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL GRANT COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHEAST IOWA AND SOUTHWEST WISCONSIN. LAT...LON 4301 9094 4311 9042 4269 9042 4268 9086 TIME...MOT...LOC 0014Z 261DEG 30KT 4278 9051 $$ JW
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 4:53 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 37 min |
| Jun 8, 5:28 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 47 min |
| Jun 8, 6:02 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 58 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.