Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 113, NWS La Crosse, WI

August 14, 2007La Crosse County, Monroe County, Vernon County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 14, 2007, 1:38 AM CDT for La Crosse County, Monroe County, Vernon County, Wisconsin. It was in force for 52 min. 1 report 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: Aug 14, 2007, 1:38 AM CDT (06:38 UTC)
Expired: Aug 14, 2007, 2:30 AM CDT
In force: 52 min
Issued by: NWS La Crosse, WI
Area: Counties, with a storm outline in the text

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

The radar

The La Crosse radar (KARX), 37 km from the middle of the area, began a volume at 06:40 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

Time	Report	Where	Remark
Aug 14, 1:40 AM CDT	TSTM WND DMG	6 Se La Crosse, WI	DAMAGE TO TREES AND CORN. NUMEROUS LARGE BRANCHES DOWN.

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.

Issued	Product	Office	Lasted
Aug 13, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.6 hours before the alert went out and 228 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2075 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KARX 140637
SVRARX
WIC063-081-123-140730-
/O.NEW.KARX.SV.W.0113.070814T0638Z-070814T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
138 AM CDT TUE AUG 14 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  VERNON COUNTY IN SOUTHWEST WISCONSIN...
  EASTERN LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
  SOUTHERN MONROE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 230 AM CDT

* AT 136 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM HIGHWAY 162 AND COUNTY T TO I 90 EXIT 12 TO IRISH HILL...OR
  ALONG A LINE EXTENDING FROM 11 MILES NORTHWEST OF SPARTA TO 9 MILES
  EAST OF LA CROSSE TO 6 MILES SOUTHEAST OF LA CROSSE...AND MOVING
  SOUTHEAST AT 50 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WEST SALEM AND BANGOR AROUND 140 AM...
  COON VALLEY AND COUNTY ROADS G AND H AROUND 145 AM...
  SPARTA AND SPRING RIDGE AROUND 150 AM...
  WESTBY AND CASHTON AROUND 155 AM...
  COUNTY ROADS D AND P AND AVALANCHE AROUND 200 AM...

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS AND STAY AWAY FROM WINDOWS.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4358 9051 4356 9054 4356 9066 4355 9067
      4343 9067 4373 9124 4393 9115 4407 9104
      4407 9097 4384 9033

$$

BINAU

4 follow-up statements

000 
WWUS53 KARX 140648
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
146 AM CDT TUE AUG 14 2007

WIC063-081-123-140730-
/O.CON.KARX.SV.W.0113.000000T0000Z-070814T0730Z/
MONROE WI-LA CROSSE WI-VERNON WI-
146 AM CDT TUE AUG 14 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR VERNON...EASTERN LA CROSSE AND SOUTHERN MONROE COUNTIES...

AT 145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM SPARTA TO 10 MILES NORTHWEST OF VIROQUA...MOVING 
SOUTHEAST AT 50 MPH. THESE STORMS PRODUCED WIND GUSTS TO 48 MPH AT 
THE NATIONAL WEATHER SERVICE AT LA CROSSE...AND TO 56 MPH AT THE LA 
CROSSE REGIONAL AIRPORT.

DIME SIZED HAIL WAS REPORTED NEAR SPARTA AT 145 AM.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WESTBY AND CASHTON AROUND 155 AM...
  VIROQUA AND COUNTY ROADS D AND P AROUND 200 AM...
  HIGHWAY 82 AND COUNTY D AND LIBERTY AROUND 205 AM...
  LA FARGE AND KICKAPOO CENTER AROUND 210 AM...
  MOUNT TABOR AND BARTONS CORNERS AROUND 215 AM...

TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4358 9051 4356 9054 4356 9066 4355 9067
      4343 9067 4373 9124 4393 9115 4407 9104
      4407 9097 4384 9033

$$

BINAU

000 
WWUS53 KARX 140702
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
200 AM CDT TUE AUG 14 2007

WIC063-140710-
/O.CAN.KARX.SV.W.0113.000000T0000Z-070814T0730Z/
LA CROSSE WI-
200 AM CDT TUE AUG 14 2007

...THE SEVERE THUNDERSTORM WARNING FOR LA CROSSE COUNTY IS
CANCELLED...

SEVERE STORMS HAVE EXITED THE AREA TO THE EAST AND SOUTH. WIND GUSTS 
TO 56 MPH WERE REPORTED AT THE LA CROSSE AIRPORT...AND 47 MPH AT THE 
NATIONAL WEATHER SERVICE IN LA CROSSE.

LAT...LON 4358 9051 4356 9054 4356 9066 4355 9067
      4343 9067 4372 9127 4372 9090 4390 9090
      4403 9091 4384 9033

$$

WIC081-123-140730-
/O.CON.KARX.SV.W.0113.000000T0000Z-070814T0730Z/
MONROE WI-VERNON WI-
200 AM CDT TUE AUG 14 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR VERNON AND SOUTHERN MONROE COUNTIES...

AT 159 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
ALONG A LINE FROM 5 MILES EAST OF SPARTA TO LIBERTY POLE. THIS STORM 
WAS MOVING SOUTHEAST AT 50 MPH.

DAMAGING WIND GUSTS TO 60 MPH ARE STILL POSSIBLE ACROSS THE AREA 
WITH THESE STORMS.

TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF 
WATER ON ROADWAYS AND LOCALIZED FLOODING.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4358 9051 4356 9054 4356 9066 4355 9067
      4343 9067 4372 9127 4372 9090 4390 9090
      4403 9091 4384 9033

$$

BINAU

000 
WWUS53 KARX 140715
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
215 AM CDT TUE AUG 14 2007

WIC081-123-140730-
/O.CON.KARX.SV.W.0113.000000T0000Z-070814T0730Z/
MONROE WI-VERNON WI-
215 AM CDT TUE AUG 14 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR VERNON AND SOUTHERN MONROE COUNTIES...

AT 213 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM TUNNEL TRAIL CAMPGROUND TO LA FARGE...OR ALONG A LINE
EXTENDING FROM 11 MILES SOUTHEAST OF TOMAH TO 14 MILES EAST OF
VIROQUA...MOVING SOUTHEAST AT 50 MPH.

TORRENTIAL RAINFALL FROM THESE STORMS MAY ALSO CAUSE THE PONDING OF
WATER ON ROADWAYS AND LOCALIZED FLOODING.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4358 9051 4356 9054 4356 9066 4355 9067
      4343 9067 4372 9127 4372 9090 4390 9090
      4403 9091 4384 9033

$$

BINAU

000 
WWUS53 KARX 140726
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
225 AM CDT TUE AUG 14 2007

WIC081-123-140735-
/O.EXP.KARX.SV.W.0113.000000T0000Z-070814T0730Z/
MONROE WI-VERNON WI-
225 AM CDT TUE AUG 14 2007

...THE SEVERE THUNDERSTORM WARNING FOR VERNON AND SOUTHERN MONROE
COUNTIES EXPIRES AT 230 AM CDT...

THE STORM WHICH PROMPTED THIS WARNING HAS MOVED OUT OF THE WARNED
AREA.

A FEW TREES WERE DOWNED IN THE STODDARD AREA WITH THESE STORMS...AS 
WELL AS A TREE DOWN ON A ROAD IN COON VALLEY. THE DAMAGING WINDS 
HAVE MOVED OFF TO THE SOUTHEAST.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA.

LAT...LON 4358 9051 4356 9054 4356 9066 4355 9067
      4343 9067 4372 9127 4372 9090 4390 9090
      4403 9091 4384 9033

$$

BINAU

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 10:15 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Jackson, Trempealeau	60 min
Aug 13, 11:14 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Trempealeau	46 min
Aug 13, 11:57 PM CDT	Severe Thunderstorm Warning	ARX	Jackson	31 min
Aug 14, 12:09 AM CDT	Severe Thunderstorm Warning	ARX	Buffalo	56 min
Aug 14, 2:01 AM CDT	Flash Flood Warning	ARX	Monroe, Vernon	3 hr
Aug 14, 2:13 AM CDT	Severe Thunderstorm Warning	ARX	Crawford, Richland	47 min
Aug 14, 2:20 AM CDT	Severe Thunderstorm Warning	ARX	Grant	55 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2007 Every severe thunderstorm warning in 2007

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.