Alert archive / Wisconsin / Tornado Warnings in 2008

Tornado Warning 1, NWS Milwaukee, WI

January 7, 2008Rock County, Walworth County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jan 7, 2008, 3:21 PM CST for Rock County, Walworth County, Wisconsin. It was in force for 54 min. 1 report 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: Jan 7, 2008, 3:21 PM CST (21:21 UTC)
Expired: Jan 7, 2008, 4:15 PM CST
In force: 54 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon

Counties Rock County, WI, Walworth County, WI

The radar

The Milwaukee radar (KMKX), 45 km from the middle of the area, began a volume at 21:22 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
Jan 7, 4:10 PM CST	TORNADO	2 Se Pell Lake, WI	BARN ROOF BLOWN OFF...BOARDS BLOWN INTO THE SIDE OF ADJOINING BUILDING. COUNTY HIGHWAY U NEAR TWIN LAKES ROAD.

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 12:00Z, 9.4 hours before the alert went out and 191 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: 23 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMKX 072121
TORMKX
WIC105-127-072215-
/O.NEW.KMKX.TO.W.0001.080107T2121Z-080107T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
321 PM CST MON JAN 7 2008

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ROCK COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTHERN AND EASTERN WALWORTH COUNTY IN SOUTHEAST WISCONSIN...
  THIS INCLUDES THE CITIES OF...WILLIAMS BAY...LAKE GENEVA...
  ELKHORN...EAST TROY...DELAVAN LAKE...

* UNTIL 415 PM CST

* AT 317 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MACHESNEY 
  PARK...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  SHARON BY 335 PM CST...
  WALWORTH...FONTANA-ON-GENEVA LAKE AND DELAVAN LAKE BY 345 PM CST...
  WILLIAMS BAY AND COMO BY 350 PM CST...
  LAKE GENEVA...COMO AND PELL LAKE BY 355 PM CST...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS TO 80 MPH.

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. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4249 8896 4284 8830 4252 8830 4249 8831
TIME...MOT...LOC 2121Z 241DEG 48KT 4237 8897

$$

BORGHOFF

4 follow-up statements

000 
WWUS53 KMKX 072134
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
333 PM CST MON JAN 7 2008

WIC105-072143-
/O.CAN.KMKX.TO.W.0001.000000T0000Z-080107T2215Z/
ROCK WI-
333 PM CST MON JAN 7 2008

...THE TORNADO WARNING FOR SOUTHEASTERN ROCK COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO SHOULD STAY 
SOUTHEAST OF THE COUNTY...THEREFORE THE TORNADO WARNING IS CANCELLED.

LAT...LON 4249 8879 4276 8829 4272 8830 4271 8830
      4269 8830 4268 8830 4266 8831 4253 8830
      4249 8831
TIME...MOT...LOC 2133Z 245DEG 45KT 4241 8879

$$

WIC127-072215-
/O.CON.KMKX.TO.W.0001.000000T0000Z-080107T2215Z/
WALWORTH WI-
333 PM CST MON JAN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR SOUTHERN
WALWORTH COUNTY...

AT 331 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH VERY STRONG ROTATION.  THIS POSSIBLE 
TORNADO WAS LOCATED 9 MILES SOUTHWEST OF SHARON...OR ABOUT 10 MILES 
NORTH OF BELVIDERE...MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  SHARON BY 340 PM CST...
  WALWORTH BY 345 PM CST...
  WALWORTH...FONTANA-ON-GENEVA LAKE...FONTANA AND WILLIAMS BAY BY 350
  PM CST...
  PELL LAKE...LAKE GENEVA AND GENOA CITY BY 400 PM CST...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 80 
MPH

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. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4249 8879 4276 8829 4272 8830 4271 8830
      4269 8830 4268 8830 4266 8831 4253 8830
      4249 8831
TIME...MOT...LOC 2133Z 245DEG 45KT 4241 8879

$$

BORGHOFF

000 
WWUS53 KMKX 072139
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
337 PM CST MON JAN 7 2008

WIC127-072215-
/O.CON.KMKX.TO.W.0001.000000T0000Z-080107T2215Z/
WALWORTH WI-
337 PM CST MON JAN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR SOUTHERN
WALWORTH COUNTY...

AT 335 PM CST...TRAINED WEATHER SPOTTERS REPORTED A TORNADO IN 
POPLAR GROVE IN CENTRAL BOONE COUNTY DAMAGE IS UNCONFIRMED IN EAST 
CENTRAL WINNEBAGO COUNTY. THIS TORNADO WAS LOCATED 6 MILES SOUTH OF 
SHARON...OR ABOUT 7 MILES WEST OF HARVARD...MOVING NORTHEAST AT 50 
MPH.

THE TORNADO WILL BE NEAR...
  WALWORTH...FONTANA-ON-GENEVA LAKE AND FONTANA BY 350 PM CST...
  WILLIAMS BAY AND 6 MILES SOUTHEAST OF COMO BY 355 PM CST...
  PELL LAKE AND LAKE GENEVA BY 400 PM CST...
  PELL LAKE AND GENOA CITY BY 405 PM CST...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 80 
MPH.

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. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4249 8879 4276 8829 4272 8830 4271 8830
      4269 8830 4268 8830 4266 8831 4253 8830
      4249 8831
TIME...MOT...LOC 2137Z 244DEG 44KT 4242 8875

$$

BORGHOFF

000 
WWUS53 KMKX 072149
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
348 PM CST MON JAN 7 2008

WIC127-072215-
/O.CON.KMKX.TO.W.0001.000000T0000Z-080107T2215Z/
WALWORTH WI-
348 PM CST MON JAN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHEASTERN WALWORTH COUNTY...

AT 345 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 8
MILES SOUTHWEST OF FONTANA-ON-GENEVA LAKE...OR ABOUT NEAR HARVARD...
MOVING NORTHEAST AT 45 MPH.

DOPPLER RADAR INDICATES WINDS OF 100 TO 150 MPH WITHIN THIS 
TORNADO.  TAKE SHELTER IMMEDIATELY

THE TORNADO WILL BE NEAR...
  FONTANA-ON-GENEVA LAKE BY 355 PM CST...
  LAKE GENEVA BY 400 PM CST...
  PELL LAKE...GENOA CITY...7 MILES SOUTHEAST OF SPRING PRAIRIE AND 7
  MILES SOUTHEAST OF SPRINGFIELD BY 405 PM CST...
  8 MILES SOUTHEAST OF BURLINGTON ARPT(KBUU) BY 410 PM CST...

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. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4249 8865 4272 8830 4268 8830 4266 8832
      4265 8831 4253 8830 4249 8831
TIME...MOT...LOC 2148Z 246DEG 42KT 4246 8860

$$

CRAVEN

000 
WWUS53 KMKX 072203
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
403 PM CST MON JAN 7 2008

WIC127-072215-
/O.CON.KMKX.TO.W.0001.000000T0000Z-080107T2215Z/
WALWORTH WI-
403 PM CST MON JAN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHEASTERN WALWORTH COUNTY...

AT 359 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR PELL LAKE...OR ABOUT NEAR LAKE GENEVA...MOVING NORTHEAST AT 55
MPH.

THE TORNADO WILL BE NEAR...
  8 MILES SOUTHEAST OF BURLINGTON ARPT(KBUU) BY 410 PM CST...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A 
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE 
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4249 8854 4271 8830 4268 8830 4266 8832
      4265 8831 4264 8832 4263 8831 4253 8830
      4249 8831
TIME...MOT...LOC 2203Z 245DEG 49KT 4256 8833

$$

CRAVEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 6:40 AM CST	Severe Thunderstorm Warning	MKX	Lafayette	50 min
Jan 7, 11:13 AM CST	River Flood Warning	MKX	Kenosha	8 days
Jan 7, 11:15 AM CST	Severe Thunderstorm Warning	MKX	Dodge	30 min
Jan 7, 11:33 AM CST	Severe Thunderstorm Warning	MKX	Dodge, Fond du Lac, Washington	27 min
Jan 7, 2:52 PM CST	Dense Fog Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	18 hr
Jan 7, 3:30 PM CST	Special Marine Warning	MKX		60 min
Jan 7, 3:51 PM CST	Tornado Warning	MKX	Kenosha, Racine	54 min
Jan 7, 4:03 PM CST	Severe Thunderstorm Warning	MKX	Milwaukee, Racine, Walworth, Waukesha	42 min
Jan 7, 4:19 PM CST	Special Marine Warning	MKX		56 min
Jan 7, 4:39 PM CST	Tornado Warning	MKX	Kenosha, Racine	21 min
Jan 7, 5:38 PM CST	Tornado Warning	MKX	Racine	22 min
Jan 7, 5:51 PM CST	Special Marine Warning	MKX		54 min

Nearby

Tornado Warnings in Wisconsin, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.