Alert archive / Wisconsin / Tornado Warnings in 2001

Tornado Warning 1, NWS Milwaukee, WI

June 11, 2001Dodge County, Washington County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 11, 2001, 9:47 PM CDT for Dodge County, Washington County, Wisconsin. It was in force for 28 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 11, 2001, 9:47 PM CDT (02:47 UTC)
Expired: Jun 11, 2001, 10:15 PM CDT
In force: 28 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Dodge County, WI, Washington County, WI

What was reported inside it

Time	Report	Where	Remark
Jun 11, 9:49 PM CDT	Tornado F1	Hartford, WI	This tornado entered Washington County 2.2 miles west/northwest of Hartford, after spinning up just north/northwest of Rubicon in Dodge County. It traveled southeast and intensified to a F1 rating (winds about 78 to 87 knots, or 90 to 100 mph) as it cut acros
Jun 11, 10:16 PM CDT	Thunderstorm Wind 52 E	Richfield, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 11, 7:00 PM CDT	Tornado Watch	SPC	5 hr
Jun 11, 9:15 PM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.8 hours before the alert went out and 124 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: 2182 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 990 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMKX 120248
TORMKE
WIC027-131-120315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
947 PM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON COUNTY IN SOUTHEAST WISCONSIN
  EASTERN DODGE COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 1015 PM CDT

* AT 947 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST
  DANGEROUS PORTION OF THE STORM WAS LOCATED 4 MILES NORTHWEST OF
  HARTFORD...MOVING SOUTHEAST AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  HARTFORD AT 950 PM CDT.
  SLINGER AT 955 PM CDT.
  JACKSON AT 1000 PM CDT.
  
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. ALWAYS STAY AWAY FROM
WINDOWS

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE COULD DEVELOP
AT ANY TIME. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE
INDOORS AND GO TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS

HENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:33 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	57 min
Jun 11, 9:01 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Sauk	59 min
Jun 11, 9:01 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	59 min
Jun 11, 9:32 PM CDT	Severe Thunderstorm Warning	MKX	Ozaukee, Sheboygan, Washington	58 min
Jun 11, 9:33 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Waukesha	57 min
Jun 11, 9:33 PM CDT	Severe Thunderstorm Warning	MKX	Dane	57 min
Jun 11, 9:56 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Milwaukee, Racine, Walworth	64 min
Jun 11, 9:56 PM CDT	Severe Thunderstorm Warning	MKX	Green, Rock	64 min
Jun 11, 10:03 PM CDT	Tornado Warning	MKX	Milwaukee, Ozaukee, Washington, Waukesha	27 min
Jun 12, 2:46 AM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	59 min
Jun 12, 4:14 AM CDT	Severe Thunderstorm Warning	MKX	Dodge, Washington	61 min

Nearby

Tornado Warnings in Wisconsin, 2001 Every tornado warning in 2001 Tornadoes in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.