Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 98, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 27, 2021, 11:53 PM CDT for Richland County, Wisconsin. It was in force for 37 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 27, 2021, 11:53 PM CDT (04:53 UTC)
- Expired
- Aug 28, 2021, 12:30 AM CDT
- In force
- 37 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Richland County, WI
The radar
The La Crosse radar (KARX), 94 km from the middle of the area, began a volume at 04:57 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 nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 4.9 hours before the alert went out and 181 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
- 995 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1707 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
774
WUUS53 KARX 280453
SVRARX
WIC103-280530-
/O.NEW.KARX.SV.W.0098.210828T0453Z-210828T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
1153 PM CDT Fri Aug 27 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Central Richland County in southwestern Wisconsin...
* Until 1230 AM CDT.
* At 1152 PM CDT, a severe thunderstorm was located 10 miles south of
La Farge, or 13 miles northwest of Richland Center, moving east at
30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Richland Center, Lone Rock, Ithaca, and Boaz.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4317 9022 4320 9026 4320 9028 4321 9029
4321 9035 4333 9067 4343 9067 4338 9019
4317 9019
TIME...MOT...LOC 0452Z 279DEG 26KT 4343 9062
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Skow2 follow-up statements
650
WWUS53 KARX 280513
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1213 AM CDT Sat Aug 28 2021
WIC103-280530-
/O.CON.KARX.SV.W.0098.000000T0000Z-210828T0530Z/
Richland WI-
1213 AM CDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHEASTERN RICHLAND COUNTY...
At 1213 AM CDT, a severe thunderstorm was located near Richland
Center, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Richland Center, Lone Rock, Ithaca, and Boaz.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4317 9022 4320 9026 4320 9028 4321 9029
4321 9035 4332 9055 4341 9055 4338 9019
4317 9019
TIME...MOT...LOC 0513Z 279DEG 26KT 4341 9041
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Skow294
WWUS53 KARX 280520
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1220 AM CDT Sat Aug 28 2021
WIC103-280530-
/O.EXP.KARX.SV.W.0098.000000T0000Z-210828T0530Z/
Richland WI-
1220 AM CDT Sat Aug 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICHLAND COUNTY
WILL EXPIRE AT 1230 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 4317 9022 4320 9026 4320 9028 4321 9029
4321 9035 4332 9055 4341 9055 4338 9019
4317 9019
TIME...MOT...LOC 0520Z 279DEG 26KT 4340 9036
$$
SkowThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:38 PM CDT | Flash Flood Watch | ARX | Crawford, Richland, Vernon | 18 hr |
| Aug 27, 8:03 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant | 42 min |
| Aug 27, 8:48 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 42 min |
| Aug 27, 8:59 PM CDT | Tornado Warning | ARX | Grant | 31 min |
| Aug 27, 11:24 PM CDT | Special Weather Statement | ARX | Vernon | 36 min |
| Aug 27, 11:31 PM CDT | Severe Thunderstorm Warning | ARX | Richland, Vernon | 59 min |
| Aug 27, 11:41 PM CDT | Flash Flood Warning | ARX | Vernon | 4 hr |
| Aug 28, 1:40 AM CDT | Severe Thunderstorm Warning | ARX | Crawford, Richland | 49 min |
| Aug 28, 3:15 AM CDT | River Flood Warning | ARX | La Crosse, Trempealeau | 5 days |
| Aug 28, 4:14 AM CDT | River Flood Warning | ARX | Vernon | 31 hr |
| Aug 28, 10:24 AM CDT | River Flood Warning | ARX | Crawford | 4 days |
| Aug 28, 10:38 AM CDT | River Flood Watch | ARX | Juneau | 22 hr |
| Aug 28, 10:46 AM CDT | River Flood Watch | ARX | Crawford | 23 hr |
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.