Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 11, 2021, 12:18 PM CDT for Taylor County, Wisconsin. It was in force for 42 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
- Aug 11, 2021, 12:18 PM CDT (17:18 UTC)
- Expired
- Aug 11, 2021, 1:00 PM CDT
- In force
- 42 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Taylor County, WI
The radar
The La Crosse radar (KARX), 169 km from the middle of the area, began a volume at 17:21 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 |
|---|---|---|---|
| Aug 11, 12:17 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.3 hours before the alert went out and 183 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
- 1499 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 678 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted.
631
WUUS53 KARX 111718
SVRARX
WIC119-111800-
/O.NEW.KARX.SV.W.0078.210811T1718Z-210811T1800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
1218 PM CDT Wed Aug 11 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Eastern Taylor County in north central Wisconsin...
* Until 100 PM CDT.
* At 1217 PM CDT, severe thunderstorms were located along a line
extending from near Spirit to 8 miles northeast of Thorp, moving
east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Medford around 1235 PM CDT.
Other locations impacted by these severe thunderstorms include Wood
Lake, Highway 13 And County Road M, The Taylor County Airport,
Stetsonville, County Roads A And E, Highway M And Joe Martin Road and
Esadore Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
&&
LAT...LON 4512 9004 4512 9020 4503 9020 4503 9079
4538 9012 4538 9004
TIME...MOT...LOC 1717Z 256DEG 50KT 4541 9007 4507 9073
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JSB5 follow-up statements
959
WWUS53 KARX 111729
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1229 PM CDT Wed Aug 11 2021
WIC119-111800-
/O.CON.KARX.SV.W.0078.000000T0000Z-210811T1800Z/
Taylor WI-
1229 PM CDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR EASTERN TAYLOR COUNTY...
At 1228 PM CDT, severe thunderstorms were located along a line
extending from 8 miles west of Tomahawk to 10 miles west of Medford,
moving east at 60 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4512 9004 4512 9020 4503 9020 4503 9079
4538 9012 4538 9004
TIME...MOT...LOC 1728Z 256DEG 50KT 4544 8989 4510 9055
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JSB961
WWUS53 KARX 111737
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1237 PM CDT Wed Aug 11 2021
WIC119-111800-
/O.CON.KARX.SV.W.0078.000000T0000Z-210811T1800Z/
Taylor WI-
1237 PM CDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR EASTERN TAYLOR COUNTY...
At 1236 PM CDT, severe thunderstorms were located along a line
extending from near New Wood Wildlife Area to 6 miles northwest of
Owen, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Medford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4512 9004 4512 9020 4503 9020 4503 9070
4538 9012 4538 9004
TIME...MOT...LOC 1736Z 264DEG 38KT 4532 8988 4504 9063
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JSB499
WWUS53 KARX 111743
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1243 PM CDT Wed Aug 11 2021
WIC119-111800-
/O.CON.KARX.SV.W.0078.000000T0000Z-210811T1800Z/
Taylor WI-
1243 PM CDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR SOUTHEASTERN TAYLOR COUNTY...
At 1243 PM CDT, severe thunderstorms were located along a line
extending from near Birch Trails Girl Scout Camp to 6 miles north of
Owen, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4512 9004 4512 9020 4503 9020 4503 9059
4533 9004
TIME...MOT...LOC 1743Z 264DEG 38KT 4532 8979 4504 9054
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JSB299
WWUS53 KARX 111751
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1251 PM CDT Wed Aug 11 2021
WIC119-111800-
/O.CON.KARX.SV.W.0078.000000T0000Z-210811T1800Z/
Taylor WI-
1251 PM CDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR SOUTHEASTERN TAYLOR COUNTY...
At 1251 PM CDT, severe thunderstorms were located along a line
extending from near Birch Trails Girl Scout Camp to near Dorchester,
moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe thunderstorms will remain over mainly rural areas of
southeastern Taylor County, including the following locations... Gad,
The Taylor County Airport, Stetsonville and Goodrich.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4512 9004 4512 9020 4503 9020 4503 9049
4526 9004
TIME...MOT...LOC 1751Z 264DEG 38KT 4533 8968 4505 9043
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JSB302
WWUS53 KARX 111757
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1257 PM CDT Wed Aug 11 2021
WIC119-111806-
/O.EXP.KARX.SV.W.0078.000000T0000Z-210811T1800Z/
Taylor WI-
1257 PM CDT Wed Aug 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TAYLOR COUNTY
WILL EXPIRE AT 100 PM CDT...
The storms which prompted the warning have exited the warned area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 800 PM CDT for central and
north central Wisconsin.
LAT...LON 4512 9004 4512 9020 4503 9020 4503 9049
4526 9004
TIME...MOT...LOC 1756Z 256DEG 50KT 4534 8960 4506 9035
$$
JSBThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:19 PM CDT | River Flood Warning | ARX | La Crosse, Trempealeau | 30 hr |
| Aug 11, 11:32 AM CDT | Special Weather Statement | ARX | Taylor | 28 min |
| Aug 11, 11:57 AM CDT | Special Weather Statement | ARX | Clark, Taylor | 33 min |
| Aug 11, 12:31 PM CDT | Special Weather Statement | ARX | Clark, Jackson, La Crosse, Monroe | 59 min |
| Aug 11, 1:01 PM CDT | Tornado Warning | ARX | Clark | 17 min |
| Aug 11, 1:07 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Monroe | 38 min |
| Aug 11, 1:41 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe | 64 min |
| Aug 11, 1:48 PM CDT | Tornado Warning | ARX | Juneau, Monroe | 42 min |
| Aug 11, 2:06 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Monroe | 39 min |
| Aug 11, 2:18 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Monroe, Vernon | 42 min |
| Aug 11, 2:20 PM CDT | Tornado Warning | ARX | Adams, Juneau, Monroe | 55 min |
| Aug 11, 2:32 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 28 min |
| Aug 11, 3:06 PM CDT | Severe Thunderstorm Warning | ARX | Richland, Vernon | 54 min |
| Aug 11, 4:19 PM CDT | Special Weather Statement | ARX | Grant | 26 min |
| Aug 11, 4:23 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 22 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2021Every severe thunderstorm warning in 2021
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.