Alert archive / Wisconsin / Tornado Warnings in 2014

Tornado Warning 9, NWS La Crosse, WI

June 30, 2014Grant County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 30, 2014, 4:09 PM CDT for Grant County, Wisconsin. It was in force for 21 min. 2 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: Jun 30, 2014, 4:09 PM CDT (21:09 UTC)
Expired: Jun 30, 2014, 4:30 PM CDT
In force: 21 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Grant County, WI

The radar

The La Crosse radar (KARX), 121 km from the middle of the area, began a volume at 21:11 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
Jun 30, 4:11 PM CDT	FUNNEL CLOUD	Livingston, WI
Jun 30, 4:11 PM CDT	TSTM WND GST 70	Livingston, 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.

Issued	Product	Office	Lasted
Jun 30, 2:03 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.2 hours before the alert went out and 139 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: 1426 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 544 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 15.0

Open this sounding in Storm Lab

The text

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

206 
WFUS53 KARX 302109
TORARX
WIC043-302130-
/O.NEW.KARX.TO.W.0009.140630T2109Z-140630T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
409 PM CDT MON JUN 30 2014

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL GRANT COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 430 PM CDT
    
* AT 408 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 11 MILES NORTH OF PLATTEVILLE...MOVING
  NORTHEAST AT 50 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  EAST CENTRAL GRANT COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
  ARTHUR...MONTFORT...LIVINGSTON AND ANNATON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4280 9049 4292 9057 4299 9043 4290 9042
      4283 9043
TIME...MOT...LOC 2108Z 243DEG 52KT 4290 9044 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ZT

2 follow-up statements

171 
WWUS53 KARX 302112
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
412 PM CDT MON JUN 30 2014

WIC043-302130-
/O.CON.KARX.TO.W.0009.000000T0000Z-140630T2130Z/
GRANT WI-
412 PM CDT MON JUN 30 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR EAST
CENTRAL GRANT COUNTY...
        
AT 411 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES NORTHWEST OF MINERAL POINT...MOVING NORTHEAST AT
60 MPH.

HAZARD...TORNADO. 

SOURCE...LAW ENFORCEMENT REPORTED A FUNNEL CLOUD NEAR LIVINGSTON ON 
         HWY 80. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IMPACTED INCLUDE...
ARTHUR...MONTFORT...LIVINGSTON AND ANNATON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4280 9049 4292 9057 4299 9043 4290 9042
      4283 9043
TIME...MOT...LOC 2111Z 243DEG 52KT 4292 9038 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ZT

250 
WWUS53 KARX 302126
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
426 PM CDT MON JUN 30 2014

WIC043-302136-
/O.EXP.KARX.TO.W.0009.000000T0000Z-140630T2130Z/
GRANT WI-
426 PM CDT MON JUN 30 2014

...THE TORNADO WARNING FOR EAST CENTRAL GRANT COUNTY WILL EXPIRE AT
430 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT MONDAY EVENING FOR
SOUTHWESTERN WISCONSIN AND NORTHEASTERN IOWA.

LAT...LON 4280 9049 4292 9057 4299 9043 4290 9042
      4283 9043
TIME...MOT...LOC 2124Z 243DEG 52KT 4292 9038 

$$

ZT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 9:23 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	52 min
Jun 29, 9:34 PM CDT	Flash Flood Warning	ARX	Crawford, Grant, Richland	3 hr
Jun 29, 9:47 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant, Richland	43 min
Jun 29, 9:59 PM CDT	Tornado Warning	ARX	Grant	31 min
Jun 30, 3:03 AM CDT	Flash Flood Watch	ARX	Crawford, Grant, Richland	16 hr
Jun 30, 1:52 PM CDT	Special Weather Statement	ARX	Grant	83 min
Jun 30, 3:13 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	77 min
Jun 30, 3:50 PM CDT	Flash Flood Warning	ARX	Crawford, Grant, Richland	5 hr
Jun 30, 4:16 PM CDT	Severe Thunderstorm Warning	ARX	Richland	30 min
Jun 30, 4:34 PM CDT	High Wind Warning	ARX	Adams, Crawford, Grant, Jackson, Juneau, La Crosse and 3 more	2 hr

Nearby

Tornado Warnings in Wisconsin, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.