Alert archive / Wisconsin / Tornado Warnings in 2001

Tornado Warning 2, NWS Milwaukee, WI

June 11, 20014 counties in Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 11, 2001, 10:03 PM CDT for 4 counties in Wisconsin. It was in force for 27 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, 10:03 PM CDT (03:03 UTC)
Expired: Jun 11, 2001, 10:30 PM CDT
In force: 27 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Milwaukee County, WI, Ozaukee County, WI, Washington County, WI, Waukesha County, WI

What was reported inside it

Time	Report	Where	Remark
Jun 11, 10:10 PM CDT	Thunderstorm Wind 61 M	Countywide, WI
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, 9:15 PM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.1 hours before the alert went out and 142 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 120304
TORMKE
WIC079-089-131-133-120330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1003 PM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEAST WAUKESHA COUNTY IN SOUTHEAST WISCONSIN
  SOUTHEAST WASHINGTON COUNTY IN SOUTHEAST WISCONSIN
  NORTHERN MILWAUKEE COUNTY IN SOUTHEAST WISCONSIN
  OZAUKEE COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 1030 PM CDT

* AT 1003 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 3 MILES SOUTHWEST OF 
  JACKSON...MOVING EAST SOUTHEAST AT 60 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  GERMANTOWN AT 1005 PM CDT.
  THIENSVILLE AT 1010 PM CDT.
  BAYSIDE AT 1015 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTMHER PIECE OF STURDY FURNITURE. ALWAYS 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, 9:47 PM CDT	Tornado Warning	MKX	Dodge, Washington	28 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 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.