Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 10, NWS Milwaukee, WI

June 21, 2011Dodge County, Fond du Lac County, Green Lake County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 21, 2011, 3:14 PM CDT for Dodge County, Fond du Lac County, Green Lake County, Wisconsin. It was in force for 31 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
Jun 21, 2011, 3:14 PM CDT (20:14 UTC)
Expired
Jun 21, 2011, 3:45 PM CDT
In force
31 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon

Counties Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI

The radar

The Green Bay radar (KGRB), 93 km from the middle of the area, began a volume at 20:16 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
Jun 21, 3:19 PM CDTTORNADO 13 Wsw Alto, WITORNADO PATH FROM 3.5 MILES WEST-SOUTHWEST OF ALTO, WI TO 5 MILES NORTHEAST OF MARKESAN, WI. MAXIMUM WIDTH 150 YARDS. POLE-SHED FLATTENED, 1/2 OF BARN DAMAGED, TREES DAMAGED AND UPROOTED, AND DOWNED POWERLINES.
Jun 21, 3:30 PM CDTTORNADO 15 Sse Green Lake, WITORNADO PATH FROM 5.5 MILES SOUTHEAST TO 3 MILES SOUTHEAST OF GREEN LAKE, WI. MAXIMUM WIDTH 100 YARDS. UPROOTED AND DAMAGED TREES. PART OF A LARGE BARN-SHED ROOF TORN OFF.
Jun 21, 3:33 PM CDTTORNADO 15 Sse Green Lake, WITORNADO PATH FROM 5.5 MILES SOUTHEAST TO 3 MILES SOUTHEAST OF GREEN LAKE, WI. MAXIMUM WIDTH 100 YARDS. UPROOTED AND DAMAGED TREES. PART OF A LARGE BARN-SHED ROOF TORN OFF.
Jun 21, 3:35 PM CDTTORNADO5 Se Green Lake, WISTORM SURVEY WILL BE CONDUCTED ON JUNE 22...FURTHER DETAILS WILL BE AVAILABLE AT THE END OF THE DAY

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
Jun 21, 2:11 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.2 hours before the alert went out and 92 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 2011-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 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
56 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
464 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

290 
WFUS53 KMKX 212014
TORMKX
WIC027-039-047-212045-
/O.NEW.KMKX.TO.W.0010.110621T2014Z-110621T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
314 PM CDT TUE JUN 21 2011

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL DODGE COUNTY IN SOUTHEAST WISCONSIN...
  WEST CENTRAL FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN...
  EASTERN GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 345 PM CDT

* AT 309 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES WEST OF WAUPUN...AND MOVING NORTH AT 30
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  RIPON...BERLIN...BRANDON...GREEN LAKE...ALTO...FAIRWATER AND WEST
  ROSENDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4390 8888 4390 8869 4389 8869 4358 8874
      4359 8895 4398 8899 4398 8888
TIME...MOT...LOC 2014Z 179DEG 28KT 4364 8888

$$

DAVIS
2 follow-up statements
140 
WWUS53 KMKX 212024
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
324 PM CDT TUE JUN 21 2011

WIC027-039-047-212045-
/O.CON.KMKX.TO.W.0010.000000T0000Z-110621T2045Z/
DODGE WI-FOND DU LAC WI-GREEN LAKE WI-
324 PM CDT TUE JUN 21 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN GREEN LAKE...
WESTERN FOND DU LAC AND NORTH CENTRAL DODGE COUNTIES UNTIL 345 PM
CDT...

AT 323 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTHWEST OF BRANDON...OR 8 MILES NORTHWEST
OF WAUPUN...MOVING NORTH AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RIPON...BERLIN...BRANDON...GREEN LAKE...FAIRWATER AND WEST
  ROSENDALE.

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.

&&

LAT...LON 4390 8888 4390 8869 4389 8869 4358 8874
      4359 8895 4398 8899 4398 8888
TIME...MOT...LOC 2024Z 195DEG 24KT 4370 8887

$$

MRC
805 
WWUS53 KMKX 212036
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
336 PM CDT TUE JUN 21 2011

WIC027-212046-
/O.CAN.KMKX.TO.W.0010.000000T0000Z-110621T2045Z/
DODGE WI-
336 PM CDT TUE JUN 21 2011

...THE TORNADO WARNING FOR NORTH CENTRAL DODGE COUNTY IS CANCELLED...

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

LAT...LON 4390 8888 4390 8869 4363 8873 4364 8895
      4398 8899 4398 8888
TIME...MOT...LOC 2036Z 194DEG 22KT 4374 8884

$$

WIC039-047-212045-
/O.CON.KMKX.TO.W.0010.000000T0000Z-110621T2045Z/
FOND DU LAC WI-GREEN LAKE WI-
336 PM CDT TUE JUN 21 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN GREEN LAKE AND
WESTERN FOND DU LAC COUNTIES UNTIL 345 PM CDT...

AT 332 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BRANDON...OR 8 MILES NORTHWEST OF WAUPUN...
MOVING NORTH AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  RIPON AND GREEN LAKE AROUND 345 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE WEST
ROSENDALE.

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.

&&

LAT...LON 4390 8888 4390 8869 4363 8873 4364 8895
      4398 8899 4398 8888
TIME...MOT...LOC 2036Z 194DEG 22KT 4374 8884

$$

MRC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:10 PM CDTDense Fog AdvisoryMKXKenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Washington and 1 more16 hr
Jun 21, 1:40 AM CDTAreal Flood AdvisoryMKXWaukesha3 hr
Jun 21, 12:05 PM CDTDense Fog AdvisoryMKXOzaukee, Sheboygan10 hr
Jun 21, 2:38 PM CDTSpecial Marine WarningMKX82 min
Jun 21, 2:42 PM CDTSevere Thunderstorm WarningMKXDodge, Jefferson, Walworth, Washington, Waukesha33 min
Jun 21, 2:45 PM CDTTornado WarningMKXMarquette30 min
Jun 21, 3:06 PM CDTTornado WarningMKXGreen Lake, Marquette24 min
Jun 21, 3:10 PM CDTSevere Thunderstorm WarningMKXDodge, Milwaukee, Ozaukee, Washington, Waukesha50 min
Jun 21, 3:24 PM CDTAreal Flood AdvisoryMKXGreen Lake, Marquette3 hr
Jun 21, 3:27 PM CDTTornado WarningMKXGreen Lake, Marquette33 min
Jun 21, 3:41 PM CDTMarine Dense Fog AdvisoryMKX6 hr
Jun 21, 3:42 PM CDTAreal Flood AdvisoryMKXMilwaukee, Ozaukee, Washington, Waukesha3 hr
Jun 21, 3:44 PM CDTTornado WarningMKXFond du Lac, Green Lake31 min
Jun 21, 3:47 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Ozaukee, Sheboygan, Washington43 min
Jun 21, 3:48 PM CDTSpecial Marine WarningMKX62 min
Jun 21, 3:59 PM CDTTornado WarningMKXGreen Lake31 min
Jun 21, 4:49 PM CDTSpecial Marine WarningMKX40 min
Jun 21, 6:57 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine33 min

Nearby

Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes in 2011

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.