Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 39, NWS La Crosse, WI

April 9, 2017Clark County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Apr 9, 2017, 11:44 PM CDT for Clark County, Wisconsin. It was in force for 60 min. 4 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
Apr 9, 2017, 11:44 PM CDT (04:44 UTC)
Expired
Apr 10, 2017, 12:44 AM CDT
In force
60 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Clark County, WI

The radar

The La Crosse radar (KARX), 112 km from the middle of the area, began a volume at 04:44 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

TimeReportWhereRemark
Apr 10, 12:10 AM CDTHAIL 0.25Greenwood, WITIME ESTIMATED FROM RADAR.
Apr 10, 12:15 AM CDTHAIL 0.75Owen, WIRELAYED VIA LAW ENFORCEMENT.
Apr 10, 12:20 AM CDTHAIL 0.752 Sse Riplinger, WITIME BASED ON RADAR.
Apr 10, 12:22 AM CDTHAIL 0.88Neillsville, WI

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.

IssuedProductOfficeLasted
Apr 9, 9:01 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.7 hours before the alert went out and 203 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 2017-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2017-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
-294 J/kg
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

638 
WUUS53 KARX 100444
SVRARX
WIC019-100600-
/O.NEW.KARX.SV.W.0039.170410T0444Z-170410T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
1144 PM CDT SUN APR 9 2017

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for...
  Clark County in central Wisconsin...

* Until 100 AM CDT

* At 1143 PM CDT, a severe thunderstorm was located near Greenwood, 
  or 19 miles north of Neillsville, moving northeast at 35 mph. 
  Another severe thunderstorm was located near Fairchild moving into 
  southern Clark County.  

  HAZARD...Quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Damage to vehicles is expected. 

* This severe thunderstorm will be near...
  Owen around 1200 AM CDT. 
  Dorchester, Dorchester and Abbotsford around 1215 AM CDT. 

Other locations impacted by this severe thunderstorm include Colby,
Lynn, Longwood, Reseburg and Willard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9032 4448 9032 4450 9080 4451 9080
      4451 9092 4488 9092 4503 9065
TIME...MOT...LOC 0443Z 230DEG 32KT 4484 9067 

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

Wetenkamp
6 follow-up statements
629 
WWUS53 KARX 100457
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1157 PM CDT SUN APR 9 2017

WIC019-100600-
/O.CON.KARX.SV.W.0039.000000T0000Z-170410T0600Z/
Clark WI-
1157 PM CDT SUN APR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR CLARK COUNTY...

At 1156 PM CDT, severe thunderstorms were located along a line
extending from near Owen to near Humbird, moving northeast at 25 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

These severe storms will be near...
  Owen around 1200 AM CDT. 
  Dorchester and Abbotsford around 1215 AM CDT. 
  Shortville around 1230 AM CDT. 
  Greenwood around 1240 AM CDT. 
  Loyal around 1250 AM CDT. 

Other locations impacted by these severe thunderstorms include Colby,
Lynn, Longwood, Reseburg and Willard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9032 4448 9032 4450 9080 4451 9080
      4451 9092 4488 9092 4503 9065
TIME...MOT...LOC 0456Z 242DEG 22KT 4500 9050 4450 9084 

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

Wetenkamp
089 
WWUS53 KARX 100514
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1214 AM CDT MON APR 10 2017

WIC019-100600-
/O.CON.KARX.SV.W.0039.000000T0000Z-170410T0600Z/
Clark WI-
1214 AM CDT MON APR 10 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR CLARK COUNTY...

At 1213 AM CDT, severe thunderstorms were located along a line
extending from near Dorchester to near Neillsville, moving east at 25
mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

These severe storms will be near...
  Dorchester, Dorchester and Abbotsford around 1220 AM CDT. 

Other locations impacted by these severe thunderstorms include Colby,
Lynn, Longwood, Reseburg and Willard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9032 4448 9032 4450 9080 4451 9080
      4451 9092 4488 9092 4503 9065
TIME...MOT...LOC 0513Z 265DEG 22KT 4505 9035 4459 9068 

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

JSB
664 
WWUS53 KARX 100520
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1220 AM CDT MON APR 10 2017

WIC019-100600-
/O.CON.KARX.SV.W.0039.000000T0000Z-170410T0600Z/
Clark WI-
1220 AM CDT MON APR 10 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR EASTERN CLARK COUNTY...

At 1219 AM CDT, severe thunderstorms were located along a line
extending from near Dorchester to near Neillsville, moving east at 
25 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

These severe storms will be near...
  Dorchester, Dorchester and Abbotsford around 1225 AM CDT. 

Other locations impacted by these severe thunderstorms include Colby,
Lynn, Granton, Unity and Curtiss.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9032 4448 9032 4449 9041 4459 9076
      4487 9059 4502 9042
TIME...MOT...LOC 0519Z 265DEG 22KT 4505 9031 4459 9064 

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

JSB
124 
WWUS53 KARX 100527
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1227 AM CDT MON APR 10 2017

WIC019-100600-
/O.CON.KARX.SV.W.0039.000000T0000Z-170410T0600Z/
Clark WI-
1227 AM CDT MON APR 10 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR EASTERN CLARK COUNTY...

At 1227 AM CDT, severe thunderstorms were located along a line
extending from near Dorchester to near Neillsville, moving northeast
at 35 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

These severe storms will be near...
  Dorchester, Dorchester and Abbotsford around 1230 AM CDT. 

Other locations impacted by these severe thunderstorms include Colby,
Lynn, Granton, Unity and Curtiss.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9032 4448 9032 4449 9041 4460 9068
      4484 9052 4501 9041
TIME...MOT...LOC 0527Z 230DEG 32KT 4507 9028 4461 9061 

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

JSB
895 
WWUS53 KARX 100539
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1239 AM CDT MON APR 10 2017

WIC019-100600-
/O.CON.KARX.SV.W.0039.000000T0000Z-170410T0600Z/
Clark WI-
1239 AM CDT MON APR 10 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR SOUTHEASTERN CLARK COUNTY...

At 1238 AM CDT, severe thunderstorms were located along a line
extending from 10 miles east of Abbotsford to near Shortville, moving
east at 30 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

these severe thunderstorms will remain over mainly rural areas of
southeastern Clark County, including the following locations: Lynn,
Granton, Chili, Chili Corners and Veefkind.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4482 9032 4448 9032 4449 9041 4460 9067
TIME...MOT...LOC 0538Z 271DEG 27KT 4492 9011 4450 9059 

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

JSB
170 
WWUS53 KARX 100544
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1244 AM CDT MON APR 10 2017

WIC019-100554-
/O.CAN.KARX.SV.W.0039.000000T0000Z-170410T0600Z/
Clark WI-
1244 AM CDT MON APR 10 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLARK COUNTY IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 100 AM CDT for
central Wisconsin.

LAT...LON 4482 9032 4448 9032 4449 9041 4460 9067
TIME...MOT...LOC 0540Z 230DEG 32KT 4494 9008 4452 9056 

$$

JSB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 10:11 PM CDTSevere Thunderstorm WarningARXBuffalo49 min
Apr 9, 10:33 PM CDTSevere Thunderstorm WarningARXTrempealeau57 min
Apr 9, 10:38 PM CDTSpecial Weather StatementARXTaylor37 min
Apr 9, 10:41 PM CDTSevere Thunderstorm WarningARXTaylor64 min
Apr 9, 11:04 PM CDTSevere Thunderstorm WarningARXBuffalo41 min
Apr 9, 11:12 PM CDTSevere Thunderstorm WarningARXClark, Jackson63 min
Apr 9, 11:37 PM CDTSevere Thunderstorm WarningARXJackson, Trempealeau53 min
Apr 9, 11:58 PM CDTSevere Thunderstorm WarningARXClark, Jackson47 min
Apr 10, 5:56 AM CDTSpecial Weather StatementARXJackson, La Crosse, Trempealeau64 min
Apr 10, 6:57 AM CDTSpecial Weather StatementARXClark33 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2017Every severe thunderstorm warning in 2017

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.