Alert archive / Wisconsin / Tornado Warnings in 2009

Tornado Warning 13, NWS Milwaukee, WI

July 27, 2009Columbia County, Green Lake County, Marquette County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 27, 2009, 5:57 PM CDT for Columbia County, Green Lake County, Marquette County, Wisconsin. It was in force for 63 min. 4 reports 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
Jul 27, 2009, 5:57 PM CDT (22:57 UTC)
Expired
Jul 27, 2009, 7:00 PM CDT
In force
63 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon

Counties Columbia County, WI, Green Lake County, WI, Marquette County, WI

The radar

The Milwaukee radar (KMKX), 89 km from the middle of the area, began a volume at 22:59 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

TimeReportWhereRemark
Jul 27, 6:05 PM CDTFUNNEL CLOUD1 Se Dalton, WIDELAYED REPORT OF FUNNEL CLOUD...SPOTTER WAS LOOKING WEST-NORTHWEST
Jul 27, 6:10 PM CDTHAIL 1Dalton, WIALONG WITH 50MPH WINDS...ROTATION...AND RAPID WIND SHIFT
Jul 27, 6:17 PM CDTTSTM WND GST 60Dalton, WISOME TREES DOWN...HAIL COVERING THE GROUND
Jul 27, 6:22 PM CDTTSTM WND GST 60Dalton, WIESTIMATED 60 MPH GUST IN DALTON.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 27, 2:41 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.0 hours before the alert went out and 127 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 2009-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 joules per kilogram.LCLLFCEL10008507005003002001001 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 2009-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
74 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1153 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
98 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 272257
TORMKX
WIC021-047-077-280000-
/O.NEW.KMKX.TO.W.0013.090727T2257Z-090728T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
557 PM CDT MON JUL 27 2009

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN
  SOUTHWESTERN GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN
  SOUTHEASTERN MARQUETTE COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 700 PM CDT

* AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 5 MILES SOUTH OF MONTELLO...OR 13 MILES NORTHEAST
  OF PORTAGE...AND MOVING SOUTHEAST AT 15 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  DALTON BY 625 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. 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 4365 8899 4349 8921 4364 8940 4373 8920
TIME...MOT...LOC 2257Z 309DEG 14KT 4371 8932

$$

GEHRING
3 follow-up statements
000 
WWUS53 KMKX 272312
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
612 PM CDT MON JUL 27 2009

WIC021-047-077-280000-
/O.CON.KMKX.TO.W.0013.000000T0000Z-090728T0000Z/
MARQUETTE WI-GREEN LAKE WI-COLUMBIA WI-
612 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN COLUMBIA...SOUTHWESTERN GREEN LAKE AND SOUTHEASTERN
MARQUETTE COUNTIES...

AT 611 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION AND A POSSIBLE TORNADO. 
THIS POSSIBLE TORNADO WAS LOCATED NEAR DALTON...OR 14 MILES 
NORTHEAST OF PORTAGE...MOVING SOUTHEAST AT 15 MPH.

THE POSSIBLE TORNADO WILL BE NEAR...
DALTON BY 620 PM CDT...
KINGSTON BY 625 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4365 8899 4349 8921 4364 8940 4373 8920
TIME...MOT...LOC 2312Z 309DEG 14KT 4367 8926

$$

MBK
000 
WWUS53 KMKX 272335
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
635 PM CDT MON JUL 27 2009

WIC077-272344-
/O.CAN.KMKX.TO.W.0013.000000T0000Z-090728T0000Z/
MARQUETTE WI-
635 PM CDT MON JUL 27 2009

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

LAT...LON 4364 8920 4373 8919 4365 8899 4349 8921
      4364 8940
TIME...MOT...LOC 2334Z 304DEG 18KT 4359 8917

$$

WIC021-047-280000-
/O.CON.KMKX.TO.W.0013.000000T0000Z-090728T0000Z/
GREEN LAKE WI-COLUMBIA WI-
635 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN COLUMBIA AND SOUTHWESTERN GREEN LAKE COUNTIES...

AT 633 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO. THIS POSSIBLE TORNADO WAS LOCATED 7 
MILES SOUTH OF KINGSTON...OR 15 MILES EAST OF PORTAGE...MOVING 
SOUTHEAST AT 20 MPH.

THE TORNADO WILL BE OVER...
  RURAL NORTHEASTERN COLUMBIA COUNTY AT 650 PM CDT

HAIL TO GOLFBALL SIZE AND DAMAGING WIND GUSTS ARE LIKELY WITH THIS 
THUNDERSTORM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 4364 8920 4373 8919 4365 8899 4349 8921
      4364 8940
TIME...MOT...LOC 2334Z 304DEG 18KT 4359 8917

$$

MBK
000 
WWUS53 KMKX 272347
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
647 PM CDT MON JUL 27 2009

WIC021-047-280000-
/O.CON.KMKX.TO.W.0013.000000T0000Z-090728T0000Z/
GREEN LAKE WI-COLUMBIA WI-
647 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN COLUMBIA AND SOUTHWESTERN GREEN LAKE COUNTIES...

AT 646 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS POSSIBLE TORNADO WAS 
LOCATED 10 MILES SOUTH OF KINGSTON...OR 15 MILES NORTHWEST OF BEAVER 
DAM...MOVING SOUTHEAST AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE POSSIBLE TORNADO INCLUDE....

RURAL AREAS NORTHWEST OF CAMBRIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4364 8920 4373 8919 4365 8899 4349 8921
      4364 8940
TIME...MOT...LOC 2346Z 304DEG 18KT 4356 8910

$$
MBK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 4:22 PM CDTSevere Thunderstorm WarningMKXMarquette83 min
Jul 27, 5:04 PM CDTTornado WarningMKXMarquette71 min
Jul 27, 6:02 PM CDTTornado WarningMKXIowa, Sauk73 min
Jul 27, 6:13 PM CDTTornado WarningMKXDodge, Fond du Lac, Washington40 min
Jul 27, 6:15 PM CDTFlash Flood WarningMKXIowa, Sauk3 hr
Jul 27, 6:39 PM CDTTornado WarningMKXColumbia, Dodge36 min
Jul 27, 6:59 PM CDTSevere Thunderstorm WarningMKXIowa, Lafayette61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.