Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 6, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Apr 3, 2011, 8:15 PM CDT for Grant County, Wisconsin. It was in force for 30 min. 1 report 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
- Apr 3, 2011, 8:15 PM CDT (01:15 UTC)
- Expired
- Apr 3, 2011, 8:45 PM CDT
- In force
- 30 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Grant County, WI
The radar
The Quad Cities radar (KDVN), 105 km from the middle of the area, began a volume at 01:17 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 |
|---|---|---|---|
| Apr 3, 8:23 PM CDT | HAIL 1.75 | 9 W Hazel Green, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.3 hours before the alert went out and 104 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
- 1790 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1684 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
665
WUUS53 KARX 040115
SVRARX
WIC043-040145-
/O.NEW.KARX.SV.W.0006.110404T0115Z-110404T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
815 PM CDT SUN APR 3 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN GRANT COUNTY IN SOUTHWEST WISCONSIN...
* UNTIL 845 PM CDT
* AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED 6 MILES SOUTHWEST OF SANDY HOOK...OR
NEAR DUBUQUE...MOVING NORTHEAST AT 50 MPH. THIS STORM CAN PRODUCE
QUARTER SIZE HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
SANDY HOOK AND KIELER AROUND 820 PM...
SINSINAWA AND LOUISBURG AROUND 825 PM...
CUBA CITY AND HAZEL GREEN AROUND 830 PM...
PLATTEVILLE AIRPORT AROUND 835 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4254 9064 4258 9068 4271 9042 4251 9041
4250 9042 4251 9064
TIME...MOT...LOC 0115Z 237DEG 45KT 4248 9065
WIND...HAIL <50MPH 1.00IN
$$
RIECK3 follow-up statements
298
WWUS53 KARX 040123
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
823 PM CDT SUN APR 3 2011
WIC043-040145-
/O.CON.KARX.SV.W.0006.000000T0000Z-110404T0145Z/
GRANT WI-
823 PM CDT SUN APR 3 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
GRANT COUNTY UNTIL 845 PM CDT...
AT 818 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR SANDY HOOK...OR NEAR
DUBUQUE...MOVING NORTHEAST AT 50 MPH. THIS STORM HAS A HISTORY OF
PRODUCING GOLF BALL SIZED HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CUBA CITY AND GEORGETOWN AROUND 830 PM...
PLATTEVILLE AIRPORT AROUND 835 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4254 9064 4258 9068 4271 9042 4251 9041
4250 9042 4251 9064
TIME...MOT...LOC 0123Z 237DEG 45KT 4253 9053
WIND...HAIL <50MPH 1.00IN
$$
RIECK980
WWUS53 KARX 040131
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
831 PM CDT SUN APR 3 2011
WIC043-040145-
/O.CON.KARX.SV.W.0006.000000T0000Z-110404T0145Z/
GRANT WI-
831 PM CDT SUN APR 3 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
GRANT COUNTY UNTIL 845 PM CDT...
AT 827 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR HAZEL GREEN...OR 10 MILES NORTH OF
GALENA...MOVING NORTHEAST AT 50 MPH. THIS STORM CAN PRODUCE QUARTER
SIZE HAIL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4254 9064 4255 9065 4268 9042 4251 9041
4250 9042 4251 9064
TIME...MOT...LOC 0131Z 237DEG 45KT 4258 9041
WIND...HAIL <50MPH 1.00IN
$$
RIECK632
WWUS53 KARX 040140
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
840 PM CDT SUN APR 3 2011
WIC043-040151-
/O.EXP.KARX.SV.W.0006.000000T0000Z-110404T0145Z/
GRANT WI-
840 PM CDT SUN APR 3 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GRANT COUNTY WILL
EXPIRE AT 845 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.
LAT...LON 4254 9064 4255 9065 4268 9042 4251 9041
4250 9042 4251 9064
TIME...MOT...LOC 0141Z 237DEG 45KT 4265 9027
$$
RIECKThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 43 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.