Alert archive / Wisconsin / Tornado Warnings in 2015

Tornado Warning 4, NWS Milwaukee, WI

July 13, 2015Iowa County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 13, 2015, 6:43 PM CDT for Iowa County, Wisconsin. It was in force for 32 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 13, 2015, 6:43 PM CDT (23:43 UTC)
Expired: Jul 13, 2015, 7:15 PM CDT
In force: 32 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.5 in

County Iowa County, WI

The radar

The Milwaukee radar (KMKX), 120 km from the middle of the area, began a volume at 23:47 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 13, 3:11 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.7 hours before the alert went out and 172 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: 3490 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

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

370 
WFUS53 KMKX 132343
TORMKX
WIC049-140015-
/O.NEW.KMKX.TO.W.0004.150713T2343Z-150714T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
643 PM CDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 715 PM CDT
    
* AT 642 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR SPRING GREEN...OR 10 MILES NORTHEAST OF
  DODGEVILLE...MOVING SOUTHEAST AT 40 MPH.

  HAZARD...TORNADO AND TENNIS BALL SIZE HAIL. 

  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 IOWA COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
  BARNEVELD...BLUE MOUND ST PARK...ARENA...RIDGEWAY AND BLUE MOUNDS.

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 4316 9012 4316 9009 4315 9005 4316 9005
      4319 9002 4320 8999 4313 8984 4310 8983
      4289 8984 4308 9020
TIME...MOT...LOC 2342Z 307DEG 36KT 4310 9003 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

HENTZ

3 follow-up statements

756 
WWUS53 KMKX 132353
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
653 PM CDT MON JUL 13 2015

WIC049-140015-
/O.CON.KMKX.TO.W.0004.000000T0000Z-150714T0015Z/
IOWA WI-
653 PM CDT MON JUL 13 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN IOWA COUNTY...
    
AT 649 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SPRING GREEN...OR 10 MILES NORTHEAST OF
DODGEVILLE...MOVING SOUTHEAST AT 30 MPH.

HAZARD...TORNADO AND TENNIS BALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. A HAM OPERATOR REPORTED A 
FUNNEL CLOUD NEAR LONE ROCK AT 626 PM CDT.

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...
BARNEVELD...BLUE MOUNDS...ARENA...RIDGEWAY AND BLUE MOUND ST PARK. 

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 4316 9012 4316 9009 4315 9005 4316 9005
      4319 9002 4320 8999 4313 8984 4310 8983
      4289 8984 4308 9020
TIME...MOT...LOC 2349Z 311DEG 24KT 4308 9001 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

REM

831 
WWUS53 KMKX 140008
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
708 PM CDT MON JUL 13 2015

WIC049-140015-
/O.CON.KMKX.TO.W.0004.000000T0000Z-150714T0015Z/
IOWA WI-
708 PM CDT MON JUL 13 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR EAST
CENTRAL IOWA COUNTY...
    
AT 708 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MOUNT HOREB...MOVING SOUTHEAST AT 40 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

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...
BARNEVELD...BLUE MOUNDS...RIDGEWAY AND BLUE MOUND ST PARK. 

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 4307 8993 4306 8990 4308 8992 4307 8989
      4308 8988 4307 8984 4313 8984 4310 8983
      4289 8984 4299 9003
TIME...MOT...LOC 0008Z 307DEG 36KT 4296 8980 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

REM

247 
WWUS53 KMKX 140015
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
715 PM CDT MON JUL 13 2015

WIC049-140024-
/O.EXP.KMKX.TO.W.0004.000000T0000Z-150714T0015Z/
IOWA WI-
715 PM CDT MON JUL 13 2015

...THE TORNADO WARNING FOR EAST CENTRAL IOWA COUNTY WILL EXPIRE AT
715 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTH CENTRAL WISCONSIN.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR 
EAST CENTRAL IOWA...SOUTHWEST DANE AND GREEN COUNTIES UNTIL 811 PM 
CDT.

LAT...LON 4307 8993 4306 8990 4308 8992 4307 8989
      4308 8988 4307 8984 4313 8984 4310 8983
      4289 8984 4299 9003
TIME...MOT...LOC 0013Z 307DEG 36KT 4296 8980 

$$

REM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 1:53 AM CDT	Special Weather Statement	MKX	Columbia, Dane, Dodge, Fond du Lac, Green Lake, Iowa and 2 more	82 min
Jul 13, 2:32 AM CDT	Special Weather Statement	MKX	Columbia, Green Lake, Iowa, Marquette, Sauk	58 min
Jul 13, 2:41 AM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Sheboygan, Washington	34 min
Jul 13, 2:46 AM CDT	Severe Thunderstorm Warning	MKX	Columbia, Marquette, Sauk	59 min
Jul 13, 3:05 AM CDT	Flash Flood Warning	MKX	Columbia	3 hr
Jul 13, 3:28 AM CDT	Flash Flood Warning	MKX	Dodge	3 hr
Jul 13, 3:32 AM CDT	Areal Flood Advisory	MKX	Fond du Lac, Green Lake, Marquette	118 min
Jul 13, 3:35 AM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge, Fond du Lac, Green Lake, Iowa and 1 more	55 min
Jul 13, 3:52 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Dodge, Green, Iowa, Jefferson, Lafayette and 1 more	53 min
Jul 13, 3:54 AM CDT	Special Marine Warning	MKX		2 hr
Jul 13, 4:08 AM CDT	Tornado Warning	MKX	Dodge	37 min
Jul 13, 4:22 AM CDT	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Sheboygan, Washington, Waukesha	38 min
Jul 13, 4:45 AM CDT	Severe Thunderstorm Warning	MKX	Green, Lafayette, Rock, Walworth	45 min
Jul 13, 4:52 AM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Ozaukee, Sheboygan	38 min
Jul 13, 5:03 AM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	57 min
Jul 13, 5:09 AM CDT	Severe Thunderstorm Warning	MKX	Washington, Waukesha	21 min
Jul 13, 5:54 AM CDT	Special Marine Warning	MKX		66 min
Jul 13, 4:38 PM CDT	Special Weather Statement	MKX	Sauk	37 min
Jul 13, 5:21 PM CDT	Special Weather Statement	MKX	Sauk	39 min
Jul 13, 6:05 PM CDT	Special Weather Statement	MKX	Sauk	40 min
Jul 13, 6:14 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Sauk	46 min
Jul 13, 6:26 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.