Alert archive / Wisconsin / Tornado Warnings in 1999

Tornado Warning 1, NWS Milwaukee, WI

June 6, 1999Green County, Rock County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 6, 1999, 3:36 PM CDT for Green County, Rock County, Wisconsin. It was in force for 54 min. 6 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, 3:36 PM CDT (20:36 UTC)
Expired
Jun 6, 1999, 4:30 PM CDT
In force
54 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Green County, WI, Rock County, WI

What was reported inside it

TimeReportWhereRemark
Jun 6, 3:40 PM CDTThunderstorm WindHanover, WI
Jun 6, 3:45 PM CDTThunderstorm Wind 61Monroe, WI
Jun 6, 3:51 PM CDTThunderstorm WindOrfordville, WI
Jun 6, 3:55 PM CDTThunderstorm WindJuda, WI
Jun 6, 3:56 PM CDTThunderstorm Wind 65Evansville, WI
Jun 6, 4:05 PM CDTThunderstorm WindAfton, 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.

IssuedProductOfficeLasted
Jun 6, 2:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.6 hours before the alert went out and 152 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-pSkew-T log-p diagram, Davenport, at 12:00Z on 1999-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 819 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 1999-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
819 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1154 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

685 
WFUS1 KMKE 062037 RRA
TORMKE
WIC045-105-062130-

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

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEAST GREEN COUNTY IN SOUTH CENTRAL WISCONSIN
  ROCK COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 430 PM CDT

* AT 336 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A POSSIBLE TORNADO 10 MILES SOUTHWEST OF
  BRODHEAD...OR 8 MILES SOUTHEAST OF MONROE...MOVING NORTHEAST AT 45
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   ALBANY AT 350 PM CDT.
   BROOKLYN AT 400 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET OR A BATHROOM.

HENTZ/CROSBIE

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 6, 11:35 AM CDT, 4 hours 1 minute before
WIZ046-047-051-052-056>060-062>072-062100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1135 AM CDT SUN JUN 6 1999

...HAZARDOUS WEATHER OUTLOOK...
...FOR SOUTH CENTRAL AND SOUTHEASTERN WISCONSIN...

THREAT...
A SLIGHT TO MODERATE RISK OF SEVERE THUNDERSTORMS...THIS AFTERNOON
INTO TONIGHT. LARGE HAIL UP TO GOLF BALL SIZE...AND DAMAGING
WINDS OF 60 TO 80 MPH.

DISCUSSION...A VERY WARM AND UNSTABLE AIRMASS IS IN PLACE
OVER WISCONSIN THIS AFTERNOON. A COLD FRONT IS APPROACHING THE
REGION FROM THE PLAINS. IN ADDITION...A BAND OF STRONG UPPER AIR
WINDS...WILL PUSH INTO THE STATE LATER THIS AFTERNOON AND TONIGHT.
THE COMBINATION OF THE VERY UNSTABLE AIRMASS...AND FAVORABLE UPPER
WINDS...WILL MEAN ANY THUNDERSTORMS THAT DEVELOP...COULD BE SEVERE.
THE THREAT OF SEVERE WEATHER SHOULD CONTINUE INTO TONIGHT.

SPOTTER ACTIVATION...
STORM SPOTTER GROUPS WILL LIKELY NEED TO BE ACTIVATED LATER THIS
AFTERNOON INTO TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:17 PM CDTSevere Thunderstorm WarningMKXDane, Green, Rock58 min
Jun 6, 3:19 PM CDTSevere Thunderstorm WarningMKXColumbia56 min
Jun 6, 3:51 PM CDTSevere Thunderstorm WarningMKXDodge54 min
Jun 6, 3:59 PM CDTSevere Thunderstorm WarningMKXJefferson61 min
Jun 6, 4:06 PM CDTSevere Thunderstorm WarningMKXWalworth54 min
Jun 6, 4:09 PM CDTSevere Thunderstorm WarningMKXColumbia, Marquette66 min
Jun 6, 4:09 PM CDTSevere Thunderstorm WarningMKXSauk66 min
Jun 6, 4:12 PM CDTTornado WarningMKXWalworth63 min
Jun 6, 4:16 PM CDTTornado WarningMKXDane, Jefferson59 min
Jun 6, 4:19 PM CDTSevere Thunderstorm WarningMKXFond du Lac56 min
Jun 6, 4:28 PM CDTTornado WarningMKXJefferson32 min
Jun 6, 4:30 PM CDTSevere Thunderstorm WarningMKXWaukesha60 min
Jun 6, 4:35 PM CDTSevere Thunderstorm WarningMKXGreen Lake55 min
Jun 6, 4:39 PM CDTTornado WarningMKXWaukesha66 min
Jun 6, 4:42 PM CDTSevere Thunderstorm WarningMKXWashington63 min
Jun 6, 4:43 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine62 min
Jun 6, 4:43 PM CDTSevere Thunderstorm WarningMKXKenosha62 min
Jun 6, 4:45 PM CDTSevere Thunderstorm WarningMKXOzaukee, Sheboygan75 min
Jun 6, 4:51 PM CDTSevere Thunderstorm WarningMKXDodge24 min
Jun 6, 5:10 PM CDTTornado WarningMKXOzaukee35 min
Jun 6, 6:51 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine54 min

Nearby

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