Alert archive / Wisconsin / Tornado Warnings in 1999

Tornado Warning 3, NWS Milwaukee, WI

June 6, 1999Dane County, Jefferson County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 6, 1999, 4:16 PM CDT for Dane County, Jefferson County, Wisconsin. It was in force for 59 min. 3 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 6, 1999, 4:16 PM CDT (21:16 UTC)
Expired: Jun 6, 1999, 5:15 PM CDT
In force: 59 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

Counties Dane County, WI, Jefferson County, WI

What was reported inside it

Time	Report	Where
Jun 6, 4:25 PM CDT	Tornado F0	Lake Mills, WI
Jun 6, 4:30 PM CDT	Thunderstorm Wind	Hebron, WI
Jun 6, 4:55 PM CDT	Thunderstorm Wind	Sullivan, 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 6, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.3 hours before the alert went out and 179 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: 1488 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 803 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKX 062116 RRA
TORMKE
WIC025-055-062215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
416 PM CDT SUN JUN 6 1999

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN DANE COUNTY IN SOUTH CENTRAL WISCONSIN
  WESTERN JEFFERSON COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 515 PM CDT

* AT 416 PM CDT A TRAINED WEATHER SPOTTER REPORTED A TORNADO 6 MILES
  SOUTHEAST OF STOUGHTON...OR 4 MILES WEST OF EDGERTON...MOVING
  NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   COTTAGE GROVE AT 425 PM CDT.
   WINDSOR AT 430 PM CDT.
   CAMBRIDGE AT 435 PM CDT.
   FORT ATKINSON AT 440 PM CDT.

THIS IS A DANGEROUS STORM SITUATION. DO NOT RUN OUTSIDE TO FIND THE
TORNADO...SEEK SHELTER IMMEDIATELY! MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR. USE BLANKETS...PILLOWS OR CUSHIONS TO COVER YOUR BODY.

HENT@Z/CROSBIE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 3:17 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Rock	58 min
Jun 6, 3:19 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	56 min
Jun 6, 3:36 PM CDT	Tornado Warning	MKX	Green, Rock	54 min
Jun 6, 3:51 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	54 min
Jun 6, 3:59 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson	61 min
Jun 6, 4:06 PM CDT	Severe Thunderstorm Warning	MKX	Walworth	54 min
Jun 6, 4:09 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Marquette	66 min
Jun 6, 4:09 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	66 min
Jun 6, 4:12 PM CDT	Tornado Warning	MKX	Walworth	63 min
Jun 6, 4:19 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	56 min
Jun 6, 4:28 PM CDT	Tornado Warning	MKX	Jefferson	32 min
Jun 6, 4:30 PM CDT	Severe Thunderstorm Warning	MKX	Waukesha	60 min
Jun 6, 4:35 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake	55 min
Jun 6, 4:39 PM CDT	Tornado Warning	MKX	Waukesha	66 min
Jun 6, 4:42 PM CDT	Severe Thunderstorm Warning	MKX	Washington	63 min
Jun 6, 4:43 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Racine	62 min
Jun 6, 4:43 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha	62 min
Jun 6, 4:45 PM CDT	Severe Thunderstorm Warning	MKX	Ozaukee, Sheboygan	75 min
Jun 6, 4:51 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	24 min
Jun 6, 5:10 PM CDT	Tornado Warning	MKX	Ozaukee	35 min
Jun 6, 6:51 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	54 min

Nearby

Tornado Warnings in Wisconsin, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.