Alert archive / Wisconsin / Tornado Warnings in 2019

Tornado Warning 18, NWS La Crosse, WI

July 20, 2019Jackson County, La Crosse County, Trempealeau County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jul 20, 2019, 9:02 AM CDT for Jackson County, La Crosse County, Trempealeau County, Wisconsin. It was in force for 28 min. 3 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: Jul 20, 2019, 9:02 AM CDT (14:02 UTC)
Expired: Jul 20, 2019, 9:30 AM CDT
In force: 28 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Jackson County, WI, La Crosse County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 33 km from the middle of the area, began a volume at 14:05 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
Jul 20, 9:09 AM CDT	TSTM WND DMG	2 Nne Stevenstown, WI	TREES REPORTED DOWN
Jul 20, 9:10 AM CDT	TORNADO	3 W North Bend, WI	TORNADO BEGAN IN A CORN FIELD JUST WEST OF WALLER LANE, WITH DAMAGE EXTENDING ACROSS HIGHWAY 54. TORNADO DISSIPATED NEAR A WOODED AREA JUST EAST OF STURH ROAD. DAMAGE CONFINED TO HARDWOOD TREES AND SOME CORN. TIME ESTIMATED FROM RADAR.
Jul 20, 9:14 AM CDT	TORNADO	2 Ene North Bend, WI	TORNADO BEGAN IN A SMALL PATCH OF WOODS NEAR THE INTERSECTION OF WEST INDIES AND ISBELL ROADS, WITH A DISCONTINUOUS PATH NOTED OVER A RIDGE TOP BEFORE CROSSING HIGHWAY 54 AND DISSIPATING IN ANOTHER WOODED AREA JUST EAST OF JENNINGS ROAD. DAMAGE WAS CONFINED TO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.0 hours before the alert went out and 220 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: 1482 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted.

479 
WFUS53 KARX 201402
TORARX
WIC053-063-121-201430-
/O.NEW.KARX.TO.W.0018.190720T1402Z-190720T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
902 AM CDT Sat Jul 20 2019

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northeastern La Crosse County in west central Wisconsin...
  Southwestern Jackson County in west central Wisconsin...
  Southeastern Trempealeau County in west central Wisconsin...

* Until 930 AM CDT.
    
* At 901 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Galesville, or 16 miles southeast of Arcadia,
  moving east at 40 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 dangerous storm will be near...
  North Bend around 910 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Peacock Hill, Camp Ehawee, Melrose and Camp Decorah.

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 you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4405 9096 4406 9131 4412 9131 4414 9097
      4413 9097 4413 9098 4412 9097 4407 9097
      4407 9096
TIME...MOT...LOC 1401Z 272DEG 36KT 4409 9126 

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

$$

Lawrence

2 follow-up statements

239 
WWUS53 KARX 201411
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
911 AM CDT Sat Jul 20 2019

WIC053-063-121-201430-
/O.CON.KARX.TO.W.0018.000000T0000Z-190720T1430Z/
La Crosse WI-Jackson WI-Trempealeau WI-
911 AM CDT Sat Jul 20 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
NORTHEASTERN LA CROSSE...SOUTHWESTERN JACKSON AND SOUTHEASTERN
TREMPEALEAU COUNTIES...
    
At 911 AM CDT, a severe thunderstorm capable of producing a tornado
was located over North Bend, or 18 miles northwest of Sparta, moving
east at 40 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
northeastern La Crosse, southwestern Jackson and southeastern
Trempealeau Counties, including the following locations... Peacock
Hill, Camp Ehawee and Melrose.

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 you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4405 9096 4406 9125 4412 9125 4414 9097
      4413 9097 4413 9098 4412 9097 4407 9097
      4407 9096
TIME...MOT...LOC 1411Z 271DEG 35KT 4409 9112 

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

$$

JSB

922 
WWUS53 KARX 201425
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
925 AM CDT Sat Jul 20 2019

WIC121-201434-
/O.CAN.KARX.TO.W.0018.000000T0000Z-190720T1430Z/
Trempealeau WI-
925 AM CDT Sat Jul 20 2019

...THE TORNADO WARNING FOR SOUTHEASTERN TREMPEALEAU COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 PM CDT for
west central Wisconsin.

LAT...LON 4405 9096 4406 9111 4413 9112 4414 9097
      4413 9097 4413 9098 4412 9097 4407 9097
      4407 9096
TIME...MOT...LOC 1424Z 269DEG 28KT 4409 9101 

$$

WIC053-063-201430-
/O.CON.KARX.TO.W.0018.000000T0000Z-190720T1430Z/
La Crosse WI-Jackson WI-
925 AM CDT Sat Jul 20 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
NORTHEASTERN LA CROSSE AND SOUTHWESTERN JACKSON COUNTIES...
    
At 924 AM CDT, a severe thunderstorm capable of producing a tornado
was located near North Bend, or 14 miles northwest of Sparta, moving
east at 30 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.

Locations impacted include...
Melrose.

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 you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4405 9096 4406 9111 4413 9112 4414 9097
      4413 9097 4413 9098 4412 9097 4407 9097
      4407 9096
TIME...MOT...LOC 1424Z 269DEG 28KT 4409 9101 

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

$$

JSB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 7:07 PM CDT	Severe Thunderstorm Warning	ARX	Clark	53 min
Jul 19, 8:00 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson	90 min
Jul 19, 9:34 PM CDT	Special Weather Statement	ARX	Adams	86 min
Jul 19, 10:12 PM CDT	Special Weather Statement	ARX	Adams, Juneau	63 min
Jul 20, 7:20 AM CDT	Flash Flood Watch	ARX	Adams, Buffalo, Clark, Jackson, Juneau, La Crosse and 5 more	7 hr
Jul 20, 7:59 AM CDT	Severe Thunderstorm Warning	ARX	Buffalo	61 min
Jul 20, 8:31 AM CDT	Flash Flood Warning	ARX	Buffalo	3 hr
Jul 20, 8:43 AM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	47 min
Jul 20, 8:45 AM CDT	Severe Thunderstorm Warning	ARX	Jackson, La Crosse, Trempealeau	45 min
Jul 20, 9:20 AM CDT	Severe Thunderstorm Warning	ARX	Buffalo	40 min
Jul 20, 9:22 AM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson, Juneau, La Crosse, Monroe	68 min
Jul 20, 9:25 AM CDT	Tornado Warning	ARX	Jackson, La Crosse, Monroe	35 min
Jul 20, 9:38 AM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	31 min
Jul 20, 9:51 AM CDT	Severe Thunderstorm Warning	ARX	La Crosse	39 min
Jul 20, 9:58 AM CDT	Severe Thunderstorm Warning	ARX	Clark	26 min
Jul 20, 10:22 AM CDT	Severe Thunderstorm Warning	ARX	Adams, Jackson, Juneau, Monroe	53 min
Jul 20, 11:34 AM CDT	Flash Flood Warning	ARX	Buffalo	4 hr
Jul 20, 12:10 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Jackson, La Crosse, Trempealeau, Vernon	80 min
Jul 20, 1:12 PM CDT	Special Weather Statement	ARX	Crawford, Grant, Richland	33 min
Jul 20, 1:20 PM CDT	Severe Thunderstorm Warning	ARX	Grant, Richland	40 min
Jul 20, 3:10 PM CDT	River Flood Warning	ARX	Jackson	55 hr

Nearby

Tornado Warnings in Wisconsin, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.