Alert archive / Wisconsin / Tornado Warnings in 2009

Tornado Warning 4, NWS Milwaukee, WI

June 8, 2009Milwaukee County, Racine County, Waukesha County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 8, 2009, 4:03 PM CDT for Milwaukee County, Racine County, Waukesha County, Wisconsin. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 8, 2009, 4:03 PM CDT (21:03 UTC)
Expired
Jun 8, 2009, 4:30 PM CDT
In force
27 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon

Counties Milwaukee County, WI, Racine County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 49 km from the middle of the area, began a volume at 21:04 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 8, 1:23 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.1 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2009-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2009-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
440 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMKX 082103
TORMKX
WIC079-101-133-082130-
/O.NEW.KMKX.TO.W.0004.090608T2103Z-090608T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
403 PM CDT MON JUN 8 2009

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MILWAUKEE COUNTY IN SOUTHEAST WISCONSIN
  NORTHERN RACINE COUNTY IN SOUTHEAST WISCONSIN
  SOUTHEASTERN WAUKESHA COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 430 PM CDT

* AT 401 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 
NORTHWEST OF UNION GROVE IN RACINE COUNTY.  DOPPLER RADAR SHOWED 
ANOTHER TORNADO NEAR MUSKEGO MOVING EAST AT 32 MPH.

* THE TORNADO WILL BE NEAR...
  FRANKLIN AND 5 MILES SOUTH OF GREENDALE BY 410 PM CDT...
  OAK CREEK AND 4 MILES NORTH OF CALEDONIA BY 420 PM CDT...
  SOUTH MILWAUKEE BY 425 PM CDT...

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING LARGE HAIL AND DESTRUCTIVE 
STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY INSIDE A STURDY 
SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST 
FLOOR.

L

FOR MORE INFORMATION GO TO: WWW.CLEANAIR-STLOUIS.COM

$$
3 follow-up statements
000 
WWUS53 KMKX 082113
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
413 PM CDT MON JUN 8 2009

WIC133-082122-
/O.CAN.KMKX.TO.W.0004.000000T0000Z-090608T2130Z/
WAUKESHA WI-
413 PM CDT MON JUN 8 2009

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

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 4281 8816 4284 8813 4284 8806 4294 8806
      4294 8784 4293 8784 4292 8783 4287 8783
      4284 8781 4281 8780
TIME...MOT...LOC 2112Z 267DEG 28KT 4286 8799

$$

WIC079-101-082130-
/O.CON.KMKX.TO.W.0004.000000T0000Z-090608T2130Z/
MILWAUKEE WI-RACINE WI-
413 PM CDT MON JUN 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHEASTERN RACINE AND SOUTHERN MILWAUKEE COUNTIES...

AT 409 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS 
TORNADO WAS LOCATED NEAR FRANKLIN...MOVING EAST AT 30 MPH. THOSE IN 
RACINE SHOULD TAKE SHELTER NOW

THE TORNADO WILL BE NEAR...
OAK CREEK BY 420 PM CDT...
SOUTH MILWAUKEE BY 425 PM CDT...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 4281 8816 4284 8813 4284 8806 4294 8806
      4294 8784 4293 8784 4292 8783 4287 8783
      4284 8781 4281 8780
TIME...MOT...LOC 2112Z 267DEG 28KT 4286 8799

$$

FRANKS
000 
WWUS53 KMKX 082116
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
416 PM CDT MON JUN 8 2009

WIC133-082124-
/O.CAN.KMKX.TO.W.0004.000000T0000Z-090608T2130Z/
WAUKESHA WI-
416 PM CDT MON JUN 8 2009

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

THE STORM HAS MOVED INTO MILWAUKEE COUNTY. 

LAT...LON 4281 8814 4284 8812 4284 8806 4292 8806
      4294 8784 4293 8784 4292 8783 4287 8783
      4284 8781 4281 8780
TIME...MOT...LOC 2114Z 270DEG 39KT 4285 8789

$$

WIC079-101-082130-
/O.CON.KMKX.TO.W.0004.000000T0000Z-090608T2130Z/
MILWAUKEE WI-RACINE WI-
416 PM CDT MON JUN 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHEASTERN RACINE AND SOUTHERN MILWAUKEE COUNTIES...

AT 351 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR 
UNION GROVE. THIS STORM THAT PRODUCED THE TORNADO WAS LOCATED NEAR 
OAK CREEK...MOVING EAST AT 45 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR 
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR 
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE 
INTO AREAS WHERE WATER COVERS THE ROAD.

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

LAT...LON 4281 8814 4284 8812 4284 8806 4292 8806
      4294 8784 4293 8784 4292 8783 4287 8783
      4284 8781 4281 8780
TIME...MOT...LOC 2114Z 270DEG 39KT 4285 8789

$$

CRAVEN
000 
WWUS53 KMKX 082125
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
425 PM CDT MON JUN 8 2009

WIC079-101-082135-
/O.EXP.KMKX.TO.W.0004.000000T0000Z-090608T2130Z/
MILWAUKEE WI-RACINE WI-
425 PM CDT MON JUN 8 2009

...THE TORNADO WARNING FOR NORTHEASTERN RACINE AND SOUTHERN MILWAUKEE
COUNTIES EXPIRES AT 430 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA OVER LAKE MICHIGAN.

LAT...LON 4281 8814 4284 8812 4284 8806 4292 8806
      4294 8784 4293 8784 4292 8783 4287 8783
      4284 8781 4281 8780
TIME...MOT...LOC 2125Z 270DEG 39KT 4285 8773

$$

CRAVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 9:30 PM CDTMarine Dense Fog AdvisoryMKX21 hr
Jun 8, 2:04 PM CDTSevere Thunderstorm WarningMKXDane, Green, Rock26 min
Jun 8, 2:28 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson, Rock47 min
Jun 8, 3:15 PM CDTAreal Flood AdvisoryMKXRock, Walworth80 min
Jun 8, 3:21 PM CDTSevere Thunderstorm WarningMKXJefferson, Walworth, Waukesha24 min
Jun 8, 3:32 PM CDTTornado WarningMKXWaukesha43 min
Jun 8, 3:38 PM CDTSevere Thunderstorm WarningMKXRacine37 min
Jun 8, 3:55 PM CDTSpecial Marine WarningMKX83 min
Jun 8, 3:58 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine32 min
Jun 8, 4:00 PM CDTAreal Flood AdvisoryMKXKenosha, Milwaukee, Racine, Walworth, Waukesha56 min

Nearby

Tornado Warnings in Wisconsin, 2009Every tornado warning in 2009Tornadoes in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.