Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 31, NWS La Crosse, WI

June 17, 2021Clark County, Jackson County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 17, 2021, 7:54 PM CDT for Clark County, Jackson County, Wisconsin. It was in force for 20 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: Jun 17, 2021, 7:54 PM CDT (00:54 UTC)
Expired: Jun 17, 2021, 8:14 PM CDT
In force: 20 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Clark County, WI, Jackson County, WI

The radar

The La Crosse radar (KARX), 85 km from the middle of the area, began a volume at 00:53 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
Jun 17, 3:50 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.9 hours before the alert went out and 194 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 52 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 1895 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 310 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

948 
WUUS53 KARX 180054
SVRARX
WIC019-053-180145-
/O.NEW.KARX.SV.W.0031.210618T0054Z-210618T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
754 PM CDT Thu Jun 17 2021

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for...
  Southern Clark County in central Wisconsin...
  Northeastern Jackson County in west central Wisconsin...

* Until 845 PM CDT.

* At 753 PM CDT, a severe thunderstorm was located near Hatfield, or
  10 miles southwest of Neillsville, moving east at 50 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Shortville around 810 PM CDT.

Other locations impacted by this severe thunderstorm include Ballard
Road And Pray Avenue, East Fork Campground, Highway 95 And 73, Bruce
Mound, Lake Arbutus, Merrillan and Nevins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4436 9032 4440 9089 4452 9088 4450 9032
TIME...MOT...LOC 0053Z 274DEG 42KT 4447 9076 

HAIL...1.00IN
WIND...<50MPH
 
$$

Skow

2 follow-up statements

039 
WWUS53 KARX 180109
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
809 PM CDT Thu Jun 17 2021

WIC019-053-180145-
/O.CON.KARX.SV.W.0031.000000T0000Z-210618T0145Z/
Clark WI-Jackson WI-
809 PM CDT Thu Jun 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHEASTERN CLARK AND EAST CENTRAL JACKSON COUNTIES...

At 809 PM CDT, a severe thunderstorm was located near Shortville, or
8 miles southeast of Neillsville, moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of
southeastern Clark and east central Jackson Counties, including the
following locations... Ballard Road And Pray Avenue and Nevins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4437 9032 4440 9062 4451 9066 4450 9032
TIME...MOT...LOC 0109Z 274DEG 42KT 4446 9049 

HAIL...1.00IN
WIND...<50MPH
 
$$

Skow

365 
WWUS53 KARX 180114
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
814 PM CDT Thu Jun 17 2021

WIC019-053-180124-
/O.CAN.KARX.SV.W.0031.000000T0000Z-210618T0145Z/
Clark WI-Jackson WI-
814 PM CDT Thu Jun 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLARK AND EAST
CENTRAL JACKSON COUNTIES IS CANCELLED...
                
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 has been cancelled.  However small hail is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central and west central Wisconsin.

LAT...LON 4437 9032 4440 9062 4451 9066 4450 9032
TIME...MOT...LOC 0112Z 274DEG 42KT 4446 9040 

$$

Skow

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 7:24 PM CDT	Severe Thunderstorm Warning	ARX	Clark	40 min
Jun 17, 7:39 PM CDT	Special Weather Statement	ARX	Jackson	36 min
Jun 17, 8:27 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	48 min
Jun 17, 8:52 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Jackson, Trempealeau	38 min
Jun 17, 8:56 PM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	64 min
Jun 17, 9:09 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	51 min
Jun 17, 9:23 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Trempealeau	37 min
Jun 17, 9:34 PM CDT	Special Weather Statement	ARX	Clark, Jackson	41 min
Jun 17, 9:58 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Trempealeau	47 min
Jun 17, 10:22 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	53 min
Jun 17, 10:46 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Monroe, Trempealeau	44 min
Jun 17, 11:14 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	25 min
Jun 17, 11:15 PM CDT	Areal Flood Advisory	ARX	Buffalo, La Crosse, Monroe, Trempealeau	97 min
Jun 17, 11:28 PM CDT	Special Weather Statement	ARX	Juneau, Monroe	47 min
Jun 17, 11:56 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	34 min
Jun 18, 12:26 AM CDT	Special Weather Statement	ARX	Vernon	34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2021 Every 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.