Alert archive / Wisconsin / Tornado Warnings in 2018

Tornado Warning 6, NWS La Crosse, WI

July 1, 2018Adams County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jul 1, 2018, 1:04 PM CDT for Adams County, Wisconsin. It was in force for 11 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 1, 2018, 1:04 PM CDT (18:04 UTC)
Expired: Jul 1, 2018, 1:15 PM CDT
In force: 11 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Adams County, WI

The radar

The Milwaukee radar (KMKX), 122 km from the middle of the area, began a volume at 18:06 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.

Issued	Product	Office	Lasted
Jul 1, 12:04 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.1 hours before the alert went out and 151 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: 10 J/kg
Mixed-layer CIN: -259 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

117 
WFUS53 KARX 011804
TORARX
WIC001-011830-
/O.NEW.KARX.TO.W.0006.180701T1804Z-180701T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
104 PM CDT SUN JUL 1 2018

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Southeastern Adams County in central Wisconsin...

* Until 130 PM CDT.
    
* At 104 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Wisconsin Dells, moving northeast
  at 35 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 Adams County, including the following locations...
  Coons Deep Lake Campground, Highway 23 And County G, K And L
  Campground and Big Spring.

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 4364 8972 4381 8966 4381 8960 4364 8960
TIME...MOT...LOC 1804Z 210DEG 32KT 4368 8965 

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

$$

CA

2 follow-up statements

701 
WWUS53 KARX 011808
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
108 PM CDT SUN JUL 1 2018

WIC001-011830-
/O.CON.KARX.TO.W.0006.000000T0000Z-180701T1830Z/
Adams WI-
108 PM CDT SUN JUL 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR
SOUTHEASTERN ADAMS COUNTY...
    
At 108 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northeast of Wisconsin Dells, moving northeast at
35 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...
K And L Campground and Coons Deep Lake Campground. 

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 4369 8968 4378 8965 4381 8960 4369 8960
TIME...MOT...LOC 1808Z 210DEG 32KT 4372 8962 

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

$$

CA

067 
WWUS53 KARX 011815
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
115 PM CDT SUN JUL 1 2018

WIC001-011825-
/O.CAN.KARX.TO.W.0006.000000T0000Z-180701T1830Z/
Adams WI-
115 PM CDT SUN JUL 1 2018

...THE TORNADO WARNING FOR SOUTHEASTERN ADAMS COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for central
Wisconsin.

LAT...LON 4369 8968 4378 8965 4381 8960 4369 8960
TIME...MOT...LOC 1814Z 210DEG 32KT 4378 8957 

$$

CA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:32 PM CDT	Special Weather Statement	ARX	Buffalo, La Crosse, Trempealeau	73 min
Jun 30, 7:48 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse	26 min

Nearby

Tornado Warnings in Wisconsin, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.