Alert archive / Wisconsin / Tornado Warnings in 2010

Tornado Warning 21, NWS Milwaukee, WI

July 7, 2010Columbia County, Dodge County, Green Lake County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 7, 2010, 6:27 PM CDT for Columbia County, Dodge County, Green Lake County, Wisconsin. It was in force for 33 min. 3 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 7, 2010, 6:27 PM CDT (23:27 UTC)
Expired
Jul 7, 2010, 7:00 PM CDT
In force
33 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon

Counties Columbia County, WI, Dodge County, WI, Green Lake County, WI

The radar

The Milwaukee radar (KMKX), 83 km from the middle of the area, began a volume at 23:27 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 7, 6:27 PM CDTTORNADO2 Sw Cambria, WITORNADO STARTED 2 MILES SOUTHWEST OF CAMBRIA AT 627 PM. IT MOVED EAST NORTHEAST FROM THERE. IT MAY HAVE TRACKED TO JUST NORTH OF FOX LAKE IN DODGE COUNTY. DAMAGE INCLUDED A COUPLE OF BARNS DOWN IN THE AREA OF THE INTERSECTION OF COUNTY HIGHWAY B AND JONES DRIV
Jul 7, 6:30 PM CDTTORNADO1 Se Cambria, WIDEBRIS REPORTED BY CAMBRIA FIRE DEPARTMENT NEAR INTERSECTION OF CEMETERY ROAD AND HIGHWAY 146.
Jul 7, 6:40 PM CDTTORNADO1 S Cambria, WISTORM CHASER REPORTED A MULTIPLE VORTEX TORNADO WITH DAMAGE PATH ESTIMATED 200 TO 300 YARDS WIDE. TORNADO DISSIPATED INTO A ROTATING WALL CLOUD BY 655 PM.

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.5 hours before the alert went out and 125 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 2010-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1271 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 2010-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
1271 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
18 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.

997 
WFUS53 KMKX 072327
TORMKX
WIC021-027-047-080000-
/O.NEW.KMKX.TO.W.0021.100707T2327Z-100708T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
627 PM CDT WED JUL 7 2010

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHWESTERN DODGE COUNTY IN SOUTHEAST WISCONSIN...
  SOUTH CENTRAL GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 700 PM CDT

* AT 623 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 2 
MILES SOUTH OF CAMBRIA...OR 15 MILES NORTHWEST OF COLUMBUS. DOPPLER 
RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CAMBRIA...RANDOLPH...FRIESLAND...MANCHESTER...ASTICO AND FOX LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. THE SAFEST
PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH
OR OTHER PIECE OF STURDY FURNITURE. AVOID WINDOWS. IF IN A MOBILE
HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4372 8906 4353 8885 4347 8916 4358 8925
TIME...MOT...LOC 2327Z 242DEG 15KT 4354 8913

$$

FRANKS
2 follow-up statements
824 
WWUS53 KMKX 072340
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
640 PM CDT WED JUL 7 2010

WIC021-027-047-080000-
/O.CON.KMKX.TO.W.0021.000000T0000Z-100708T0000Z/
GREEN LAKE WI-COLUMBIA WI-DODGE WI-
640 PM CDT WED JUL 7 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN DODGE...
NORTHEASTERN COLUMBIA AND SOUTH CENTRAL GREEN LAKE COUNTIES UNTIL 700
PM CDT...

AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CAMBRIA...OR 13 MILES NORTHWEST OF BEAVER
DAM...MOVING NORTHEAST AT 20 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
COLUMBIA...NORTHWESTERN DODGE AND SOUTH CENTRAL GREEN LAKE 
COUNTIES...INCLUDING ASTICO AND FOX LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4372 8906 4353 8885 4347 8916 4358 8925
TIME...MOT...LOC 2340Z 242DEG 15KT 4357 8904

$$

KAPELA
980 
WWUS53 KMKX 072353
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
653 PM CDT WED JUL 7 2010

WIC021-027-047-080000-
/O.CON.KMKX.TO.W.0021.000000T0000Z-100708T0000Z/
GREEN LAKE WI-COLUMBIA WI-DODGE WI-
653 PM CDT WED JUL 7 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN DODGE...
NORTHEASTERN COLUMBIA AND SOUTH CENTRAL GREEN LAKE COUNTIES UNTIL 700
PM CDT...

THE CAMBRIA FIRE DEPARTMENT REPORTED A TORNADO OCCURRED JUST 
SOUTHEAST OF CAMBRIA AROUND 630 PM.  AT 646 PM THIS TORNADO WAS 
PROBABLY LOCATED NEAR RANDOLPH...OR 12 MILES NORTHWEST OF BEAVER 
DAM...MOVING NORTHEAST AT 15 MPH.

THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
COLUMBIA...NORTHWESTERN DODGE AND SOUTH CENTRAL GREEN LAKE
COUNTIES...INCLUDING THE FOLLOWING LOCATIONS ASTICO AND FOX LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4372 8906 4353 8885 4347 8916 4358 8925
TIME...MOT...LOC 2350Z 241DEG 12KT 4358 8900

$$

KAPELA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 12:44 PM CDTAreal Flood AdvisoryMKXColumbia, Dane, Dodge, Jefferson70 min
Jul 7, 1:52 PM CDTAreal Flood AdvisoryMKXColumbia, Dane, Dodge, Fond du Lac, Green Lake, Jefferson and 4 more76 min
Jul 7, 2:27 PM CDTSevere Thunderstorm WarningMKXWashington, Waukesha26 min
Jul 7, 3:07 PM CDTAreal Flood AdvisoryMKXMilwaukee, Ozaukee, Racine, Sheboygan3 hr
Jul 7, 4:22 PM CDTAreal Flood AdvisoryMKXKenosha3 hr
Jul 7, 6:56 PM CDTTornado WarningMKXColumbia, Dodge, Fond du Lac34 min

Nearby

Tornado Warnings in Wisconsin, 2010Every tornado warning in 2010Tornadoes in 2010

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.