Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 52, NWS La Crosse, WI

July 7, 20164 counties in Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jul 7, 2016, 4:49 AM CDT for 4 counties in Wisconsin. It was in force for 41 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
Jul 7, 2016, 4:49 AM CDT (09:49 UTC)
Expired
Jul 7, 2016, 5:30 AM CDT
In force
41 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Crawford County, WI, La Crosse County, WI, Monroe County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 26 km from the middle of the area, began a volume at 09:51 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, 9.8 hours before the alert went out and 226 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, Davenport, at 00:00Z on 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1025 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, Davenport, at 00:00Z on 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
1025 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

596 
WUUS53 KARX 070949
SVRARX
WIC023-063-081-123-071030-
/O.NEW.KARX.SV.W.0052.160707T0949Z-160707T1030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
449 AM CDT THU JUL 7 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CRAWFORD COUNTY IN SOUTHWESTERN WISCONSIN...
  WESTERN MONROE COUNTY IN WEST CENTRAL WISCONSIN...
  LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
  VERNON COUNTY IN SOUTHWESTERN WISCONSIN...

* UNTIL 530 AM CDT

* AT 448 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR DAKOTA TO BROWNSVILLE TO 7 MILES EAST OF
  WAUKON...MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BRICE PRAIRIE AND STODDARD AROUND 455 AM CDT. 
  LA CROSSE...HOLMEN...ONALASKA AND FRENCH ISLAND AROUND 500 AM CDT. 
  COON VALLEY AROUND 505 AM CDT. 
  WEST SALEM AROUND 510 AM CDT. 
  BANGOR AND WESTBY AROUND 515 AM CDT. 
  CASHTON AROUND 520 AM CDT. 
  SPARTA AROUND 525 AM CDT. 
  CLAYTON AROUND 530 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
NEWTON...MEDARY...SPRINGVILLE...LEON AND PORTLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THOSE OUTDOORS OR CAMPING SHOULD SEEK SAFE SHELTER UNTIL THESE
STORMS PASS.

&&

LAT...LON 4355 9065 4355 9067 4335 9067 4335 9120
      4337 9122 4341 9120 4345 9123 4352 9122
      4354 9125 4358 9123 4361 9127 4371 9127
      4378 9124 4385 9128 4397 9141 4407 9072
      4379 9062
TIME...MOT...LOC 0948Z 258DEG 43KT 4394 9144 4371 9131 4325 9133 

HAIL...<.75IN
WIND...60MPH
 
$$

LAWRENCE
2 follow-up statements
056 
WWUS53 KARX 071012
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
512 AM CDT THU JUL 7 2016

WIC023-063-081-123-071030-
/O.CON.KARX.SV.W.0052.000000T0000Z-160707T1030Z/
CRAWFORD WI-MONROE WI-LA CROSSE WI-VERNON WI-
512 AM CDT THU JUL 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 AM CDT
FOR NORTHERN CRAWFORD...WESTERN MONROE...LA CROSSE AND VERNON
COUNTIES...

AT 511 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HOLMEN TO NEAR COON VALLEY TO 8 MILES EAST OF
LANSING...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  COON VALLEY AND WEST SALEM AROUND 515 AM CDT. 
  BANGOR AND WESTBY AROUND 520 AM CDT. 
  SPARTA...CLAYTON AND CASHTON AROUND 530 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
NEWTON...MEDARY...SPRINGVILLE...LEON AND PORTLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4355 9065 4355 9067 4335 9067 4335 9120
      4337 9122 4341 9120 4345 9123 4352 9122
      4354 9125 4358 9123 4361 9127 4371 9127
      4378 9124 4385 9128 4397 9137 4407 9072
      4379 9062
TIME...MOT...LOC 1011Z 248DEG 33KT 4401 9117 4378 9104 4332 9106 

HAIL...<.75IN
WIND...60MPH
 
$$

AJ
318 
WWUS53 KARX 071020
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
520 AM CDT THU JUL 7 2016

WIC023-063-081-123-071030-
/O.EXP.KARX.SV.W.0052.000000T0000Z-160707T1030Z/
CRAWFORD WI-MONROE WI-LA CROSSE WI-VERNON WI-
520 AM CDT THU JUL 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CRAWFORD...WESTERN
MONROE...LA CROSSE AND VERNON COUNTIES WILL EXPIRE AT 530 AM CDT...
            
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 WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS TO 40 MPH AND HEAVY RAIN ARE STILL POSSIBLE WITH THESE
THUNDERSTORMS.

LAT...LON 4355 9065 4355 9067 4335 9067 4335 9120
      4337 9122 4341 9120 4345 9123 4352 9122
      4354 9125 4358 9123 4361 9127 4371 9127
      4378 9124 4385 9128 4397 9137 4407 9072
      4379 9062
TIME...MOT...LOC 1019Z 258DEG 43KT 4401 9117 4378 9104 4332 9106 

$$

AJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:29 AM CDTSpecial Weather StatementARXCrawford, La Crosse, Vernon61 min
Jul 7, 5:56 AM CDTSpecial Weather StatementARXGrant, Richland64 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every severe thunderstorm warning in 2016

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.