Alert archive / Wisconsin / Tornado Warnings in 2013

Tornado Warning 9, NWS Milwaukee, WI

October 3, 2013Dodge County, Washington County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Oct 3, 2013, 9:22 PM CDT for Dodge County, Washington County, Wisconsin. It was in force for 38 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: Oct 3, 2013, 9:22 PM CDT (02:22 UTC)
Expired: Oct 3, 2013, 10:00 PM CDT
In force: 38 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Dodge County, WI, Washington County, WI

The radar

The Milwaukee radar (KMKX), 52 km from the middle of the area, began a volume at 02:25 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
Oct 3, 9:25 PM CDT	HAIL 0.25	1 Se Theresa, WI	PEA SIZE HAIL AND STANDING WATER ON HIGHWAY 175 BETWEEN ADDISON AND THERESA. REPORTED VIA SOCIAL MEDIA.
Oct 3, 9:34 PM CDT	HAIL 0.25	2 Sw Allenton, WI	MEASURED AT HIGHWAY S AND 83. REPORTED VIA SOCIAL MEDIA.
Oct 3, 9:40 PM CDT	TSTM WND GST 60	3 E Allenton, WI

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.4 hours before the alert went out and 267 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: 1514 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

065 
WFUS53 KMKX 040222
TORMKX
WIC027-131-040300-
/O.NEW.KMKX.TO.W.0009.131004T0222Z-131004T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
922 PM CDT THU OCT 3 2013

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL DODGE COUNTY IN SOUTHEAST WISCONSIN...
  WASHINGTON COUNTY IN SOUTHEAST WISCONSIN...

* UNTIL 1000 PM CDT

* AT 921 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES EAST OF IRON RIDGE...AND MOVING EAST AT
  25 MPH.

  HAZARD...TORNADO...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

  IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
  QUARTER SIZE HAIL.   

* THIS DANGEROUS STORM WILL BE NEAR...
  HARTFORD AROUND 930 PM CDT.
  SLINGER AROUND 945 PM CDT.
  WEST BEND AROUND 950 PM CDT.
  JACKSON AND WEST BEND AIRPORT AROUND 955 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
ADDISON...ALLENTON...KOHLSVILLE AND SAINT LAWRENCE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4347 8808 4320 8821 4333 8847 4344 8856
      4354 8854
TIME...MOT...LOC 0222Z 290DEG 21KT 4342 8842

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

WOOD

1 follow-up statement

129 
WWUS53 KMKX 040243
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
943 PM CDT THU OCT 3 2013

WIC027-131-040253-
/O.CAN.KMKX.TO.W.0009.000000T0000Z-131004T0300Z/
DODGE WI-WASHINGTON WI-
943 PM CDT THU OCT 3 2013

...THE TORNADO WARNING FOR WASHINGTON AND EAST CENTRAL DODGE COUNTIES
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

LAT...LON 4347 8808 4320 8821 4333 8847 4344 8856
      4354 8854
TIME...MOT...LOC 0243Z 290DEG 21KT 4338 8826

$$
MBK

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 3, 7:03 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	27 min
Oct 3, 7:16 PM CDT	Areal Flood Advisory	MKX	Columbia, Dodge, Fond du Lac, Green Lake	4 hr
Oct 3, 7:51 PM CDT	Flash Flood Warning	MKX	Columbia, Dodge	4 hr
Oct 3, 8:21 PM CDT	Tornado Warning	MKX	Dodge	39 min
Oct 3, 8:55 PM CDT	Tornado Warning	MKX	Dodge	35 min
Oct 3, 9:55 PM CDT	Special Marine Warning	MKX		2 hr
Oct 4, 12:06 PM CDT	Marine Dense Fog Advisory	MKX		34 hr

Nearby

Tornado Warnings in Wisconsin, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.