Alert archive / Wisconsin / Tornado Warnings in 2015

Tornado Warning 7, NWS Milwaukee, WI

July 18, 2015Kenosha County, Racine County, Walworth County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 18, 2015, 3:04 PM CDT for Kenosha County, Racine County, Walworth County, Wisconsin. It was in force for 26 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 18, 2015, 3:04 PM CDT (20:04 UTC)
Expired: Jul 18, 2015, 3:30 PM CDT
In force: 26 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Kenosha County, WI, Racine County, WI, Walworth County, WI

The radar

The Milwaukee radar (KMKX), 51 km from the middle of the area, began a volume at 20:06 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.

What was reported inside it

Time	Report	Where	Remark
Jul 18, 3:19 PM CDT	NON-TSTM WND GST 44	1 Se North Cape, WI
Jul 18, 3:21 PM CDT	TSTM WND GST 50	2 Nnw Paddock Lake, WI	RELAYED VIA FACEBOOK.
Jul 18, 3:27 PM CDT	TSTM WND GST 50	4 Se Wind Lake, 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
Jul 18, 1:31 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.1 hours before the alert went out and 223 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: 2984 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 858 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

572 
WFUS53 KMKX 182004
TORMKX
WIC059-101-127-182030-
/O.NEW.KMKX.TO.W.0007.150718T2004Z-150718T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
304 PM CDT SAT JUL 18 2015

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN WALWORTH COUNTY IN SOUTHEASTERN WISCONSIN...
  WESTERN RACINE COUNTY IN SOUTHEASTERN WISCONSIN...
  CENTRAL KENOSHA COUNTY IN SOUTHEASTERN WISCONSIN...

* UNTIL 330 PM CDT
    
* AT 304 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR EAST TROY...MOVING SOUTHEAST 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. 

* LOCATIONS IMPACTED INCLUDE...
  UNION GROVE...EAST TROY...PADDOCK LAKE...CAMP LAKE...WIND LAKE...
  ROCHESTER...SILVER LAKE...WATERFORD NORTH...EAGLE LAKE...POTTER
  LAKE...BROWNS LAKE...BOHNERS LAKE...SALEM...BURLINGTON...
  WATERFORD...BRISTOL...HONEY CREEK...KANSASVILLE...FRANKSVILLE AND
  NEW MUNSTER.

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 4250 8810 4269 8849 4284 8838 4276 8791
      4249 8798 4250 8808
TIME...MOT...LOC 2004Z 296DEG 33KT 4273 8836 

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

$$

SPM

2 follow-up statements

531 
WWUS53 KMKX 182019
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
319 PM CDT SAT JUL 18 2015

WIC127-182028-
/O.CAN.KMKX.TO.W.0007.000000T0000Z-150718T2030Z/
WALWORTH WI-
319 PM CDT SAT JUL 18 2015

...THE TORNADO WARNING FOR NORTHEASTERN WALWORTH 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 1000 PM CDT FOR SOUTHEASTERN
WISCONSIN.

LAT...LON 4250 8810 4260 8831 4283 8830 4276 8791
      4249 8798
TIME...MOT...LOC 2018Z 284DEG 28KT 4262 8824 

$$

WIC059-101-182030-
/O.CON.KMKX.TO.W.0007.000000T0000Z-150718T2030Z/
RACINE WI-KENOSHA WI-
319 PM CDT SAT JUL 18 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR WESTERN
RACINE AND CENTRAL KENOSHA COUNTIES...
    
AT 318 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER BOHNERS LAKE...OR 7 MILES NORTH OF TWIN LAKES...
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. 

THIS DANGEROUS STORM WILL BE NEAR...
  SILVER LAKE AROUND 325 PM CDT.
  UNION GROVE...PADDOCK LAKE...CAMP LAKE AND EAGLE LAKE AROUND 330 PM
  CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
KANSASVILLE...WATERFORD...FRANKSVILLE...SALEM...BURLINGTON...
BRISTOL...NORTH CAPE AND NEW MUNSTER.

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 4250 8810 4260 8831 4283 8830 4276 8791
      4249 8798
TIME...MOT...LOC 2018Z 284DEG 28KT 4262 8824 

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

$$

WOOD

876 
WWUS53 KMKX 182026
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
326 PM CDT SAT JUL 18 2015

WIC059-101-182035-
/O.EXP.KMKX.TO.W.0007.000000T0000Z-150718T2030Z/
RACINE WI-KENOSHA WI-
326 PM CDT SAT JUL 18 2015

...THE TORNADO WARNING FOR WESTERN RACINE AND CENTRAL KENOSHA
COUNTIES WILL EXPIRE AT 330 PM CDT...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY
AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHEASTERN
WISCONSIN.

LAT...LON 4250 8810 4260 8831 4283 8830 4276 8791
      4249 8798
TIME...MOT...LOC 2024Z 296DEG 33KT 4262 8824 

$$

WOOD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 4:19 AM CDT	Special Weather Statement	MKX	Columbia, Green Lake, Iowa, Marquette, Sauk	56 min
Jul 18, 4:45 AM CDT	Severe Thunderstorm Warning	MKX	Columbia, Green Lake, Marquette, Sauk	45 min
Jul 18, 5:15 AM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Fond du Lac, Green Lake, Marquette	45 min
Jul 18, 5:27 AM CDT	Special Marine Warning	MKX		2 hr
Jul 18, 5:47 AM CDT	Special Weather Statement	MKX	Dane, Dodge, Fond du Lac, Jefferson, Milwaukee, Ozaukee and 3 more	58 min
Jul 18, 6:11 AM CDT	Special Weather Statement	MKX	Dane	34 min
Jul 18, 7:07 AM CDT	Special Marine Warning	MKX		53 min
Jul 18, 1:08 PM CDT	Tornado Warning	MKX	Iowa, Lafayette	52 min
Jul 18, 1:26 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Rock	34 min
Jul 18, 1:49 PM CDT	Special Weather Statement	MKX	Jefferson, Washington	41 min
Jul 18, 1:57 PM CDT	Severe Thunderstorm Warning	MKX	Lafayette	18 min
Jul 18, 1:59 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Jefferson, Rock	31 min
Jul 18, 2:07 PM CDT	Special Weather Statement	MKX	Walworth	23 min
Jul 18, 2:09 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine, Walworth	51 min
Jul 18, 2:15 PM CDT	Areal Flood Advisory	MKX	Green, Racine, Rock, Walworth	60 min
Jul 18, 2:24 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Green, Jefferson, Rock, Walworth, Washington and 1 more	51 min
Jul 18, 2:31 PM CDT	Special Marine Warning	MKX		119 min
Jul 18, 2:40 PM CDT	Areal Flood Advisory	MKX	Kenosha, Milwaukee, Racine, Waukesha	2 hr
Jul 18, 2:45 PM CDT	Tornado Warning	MKX	Rock, Walworth	30 min
Jul 18, 2:55 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Milwaukee, Racine, Rock, Walworth, Waukesha	35 min
Jul 18, 3:22 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Milwaukee, Racine	38 min

Nearby

Tornado Warnings in Wisconsin, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.