Alert archive / Wisconsin / Tornado Warnings in 2019

Tornado Warning 5, NWS La Crosse, WI

May 24, 2019La Crosse County, Vernon County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 24, 2019, 8:46 PM CDT for La Crosse County, Vernon County, Wisconsin. It was in force for 29 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
May 24, 2019, 8:46 PM CDT (01:46 UTC)
Expired
May 24, 2019, 9:15 PM CDT
In force
29 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties La Crosse County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 19 km from the middle of the area, began a volume at 01:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 24, 7:49 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.8 hours before the alert went out and 240 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 2019-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km3 km6 km9 km12 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 2019-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

240 
WFUS53 KARX 250146
TORARX
WIC063-123-250215-
/O.NEW.KARX.TO.W.0005.190525T0146Z-190525T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
846 PM CDT Fri May 24 2019

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Southeastern La Crosse County in west central Wisconsin...
  Northwestern Vernon County in southwestern Wisconsin...

* Until 915 PM CDT.
    
* At 846 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Coon Valley, or 10 miles southeast of La Crosse,
  moving northeast 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.

* This dangerous storm will be near...
  Coon Valley around 850 PM CDT.

Other locations impacted by this tornadic thunderstorm include County
Roads G And H, Brinkman Ridge, Newburg Corners, Norskedalen, St
Joseph, Highways 14 61 And County M M and Spring Ridge.

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 4371 9092 4368 9110 4376 9113 4388 9091
      4373 9091
TIME...MOT...LOC 0146Z 245DEG 25KT 4373 9106 

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

$$

CA
2 follow-up statements
508 
WWUS53 KARX 250156
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
856 PM CDT Fri May 24 2019

WIC123-250205-
/O.CAN.KARX.TO.W.0005.000000T0000Z-190525T0215Z/
Vernon WI-
856 PM CDT Fri May 24 2019

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

A Tornado Watch remains in effect until midnight CDT for west central
Wisconsin.

LAT...LON 4373 9103 4379 9107 4388 9091 4373 9091
TIME...MOT...LOC 0155Z 245DEG 25KT 4376 9098 

$$

WIC063-250215-
/O.CON.KARX.TO.W.0005.000000T0000Z-190525T0215Z/
La Crosse WI-
856 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN LA CROSSE COUNTY...
    
At 855 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Coon Valley, or 14 miles east of La Crosse, moving
northeast 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.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern La Crosse County, including the following locations...
County Roads G And H, Middle Ridge, Newburg Corners, Norskedalen and
St Joseph.

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 4373 9103 4379 9107 4388 9091 4373 9091
TIME...MOT...LOC 0155Z 245DEG 25KT 4376 9098 

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

$$

CA
115 
WWUS53 KARX 250208 RRA
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
908 PM CDT Fri May 24 2019

WIC063-250217-
/O.EXP.KARX.TO.W.0005.000000T0000Z-190525T0215Z/
La Crosse WI-
908 PM CDT Fri May 24 2019

...THE TORNADO WARNING FOR SOUTHEASTERN LA CROSSE COUNTY WILL EXPIRE
AT 915 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 are still possible in portions of southeast La Crosse County.

A Tornado Watch remains in effect until midnight CDT for west central
Wisconsin.

LAT...LON 4373 9103 4379 9107 4388 9091 4373 9091
TIME...MOT...LOC 0207Z 245DEG 25KT 4379 9088 

$$

CA

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 8:50 PM CDTTornado WarningARXCrawford, Grant25 min
May 24, 9:03 PM CDTTornado WarningARXMonroe42 min
May 24, 9:05 PM CDTSevere Thunderstorm WarningARXCrawford, Vernon55 min

Nearby

Tornado Warnings in Wisconsin, 2019Every tornado warning in 2019Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.