Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 6, NWS Milwaukee, WI

May 22, 2011Fond du Lac County, Green Lake County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at May 22, 2011, 7:44 PM CDT for Fond du Lac County, Green Lake County, Wisconsin. It was in force for 46 min. 8 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
May 22, 2011, 7:44 PM CDT (00:44 UTC)
Expired
May 22, 2011, 8:30 PM CDT
In force
46 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon

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

The radar

The Green Bay radar (KGRB), 97 km from the middle of the area, began a volume at 00:45 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
May 22, 7:45 PM CDTTORNADO2 Ssw Kingston, WIEF0 TORNADO SPUN UP AT AN ESTIMATED TIME OF 745 PM AND LASTED LESS THAN 1 MINUTE. ESTIMATED WINDS OF 70 MPH. THERE WAS DAMAGE TO LARGE TREE BRANCHES...A SHED DOOR AT A FARM WAS PUSHED IN AND A PLASTIC GREENHOUSE WAS LIGHTLY DAMAGED. PATH WIDTH OF 30 YARDS...PA
May 22, 7:47 PM CDTTORNADONw Markesan, WIEFO TORNADO STARTED 0.3 MILES NW OF MARKESAN AND ENDED 4.5 MILES NNE OF MARKESAN. PATH WIDTH 50 YDS...PATH LENGTH 4.7 MILES. TORNADO BEGAN AT 747 PM AND ENDED AT 755 PM. LARGE TREE BRANCHES DOWN. 2 SMALL TREES UPROOTED. INFORMATION FROM COUNTY SHERIFF AND NWS
May 22, 7:50 PM CDTFUNNEL CLOUDMarkesan, WI
May 22, 7:50 PM CDTTSTM WND DMGMarkesan, WITREES AND POWER LINES DOWNED BY THUNDERSTORM. EMERGENCY MANAGER TO INVESTIGATE FURTHER.
May 22, 7:50 PM CDTTORNADONw Markesan, WIEFO TORNADO STARTED 0.3 MILES NW OF MARKESAN AND ENDED 4.5 MILES NNE OF MARKESAN. PATH WIDTH 50 YDS...PATH LENGTH 4.7 MILES. TORNADO BEGAN AT 750 PM AND ENDED AT 757 PM. LARGE TREE BRANCHES DOWN. 2 SMALL TREES UPROOTED. INFORMATION FROM COUNTY SHERIFF AND NWS
May 22, 7:52 PM CDTTSTM WND GST 70Markesan, WIPEA SIZE HAIL ALSO FALLING.
May 22, 7:58 PM CDTFUNNEL CLOUDMarkesan, WI
May 22, 7:58 PM CDTHAIL 0.75Fairwater, WIESTIMATED 50 MPH WINDS ALSO REPORTED.

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
May 22, 2:04 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.7 hours before the alert went out and 96 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 00:00Z on 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 753 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 00:00Z on 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 square meters per square second.19395878Sfc1 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
753 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
325 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.4

Open this sounding in Storm Lab

The text

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

737 
WFUS53 KMKX 230044
TORMKX
WIC039-047-230130-
/O.NEW.KMKX.TO.W.0006.110523T0044Z-110523T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
744 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN...
  SOUTHERN GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 830 PM CDT

* AT 742 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MARKESAN...OR 15 MILES SOUTHWEST OF RIPON...
  AND MOVING NORTHEAST AT 45 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  GREEN LAKE AROUND 755 PM CDT.
  RIPON AROUND 805 PM CDT.
  ROSENDALE AROUND 810 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
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 4394 8889 4390 8888 4389 8846 4363 8907
      4371 8922
TIME...MOT...LOC 0044Z 231DEG 38KT 4371 8904

$$

GEHRING
3 follow-up statements
585 
WWUS53 KMKX 230100
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
800 PM CDT SUN MAY 22 2011

WIC039-047-230130-
/O.CON.KMKX.TO.W.0006.000000T0000Z-110523T0130Z/
FOND DU LAC WI-GREEN LAKE WI-
800 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL GREEN LAKE
AND NORTHWESTERN FOND DU LAC COUNTIES UNTIL 830 PM CDT...

AT 756 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES WEST OF BRANDON...OR 7 MILES SOUTH OF
RIPON...MOVING NORTHEAST AT 45 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  RIPON AROUND 805 PM CDT.
  ROSENDALE AROUND 810 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 4376 8902 4390 8886 4390 8888 4389 8846
      4369 8894
TIME...MOT...LOC 0100Z 246DEG 37KT 4377 8883

$$

DDV
524 
WWUS53 KMKX 230114
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
814 PM CDT SUN MAY 22 2011

WIC047-230124-
/O.CAN.KMKX.TO.W.0006.000000T0000Z-110523T0130Z/
GREEN LAKE WI-
814 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR EAST CENTRAL GREEN LAKE COUNTY IS
CANCELLED...

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

LAT...LON 4389 8852 4389 8846 4376 8878 4390 8886
      4390 8854 4390 8853
TIME...MOT...LOC 0114Z 247DEG 39KT 4383 8864

$$

WIC039-230130-
/O.CON.KMKX.TO.W.0006.000000T0000Z-110523T0130Z/
FOND DU LAC WI-
814 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL FOND DU LAC COUNTY
UNTIL 830 PM CDT...

AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR ROSENDALE...OR 8 MILES EAST OF RIPON...MOVING
NORTHEAST AT 45 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL FOND
DU LAC COUNTY.

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 4389 8852 4389 8846 4376 8878 4390 8886
      4390 8854 4390 8853
TIME...MOT...LOC 0114Z 247DEG 39KT 4383 8864

$$

DDV
988 
WWUS53 KMKX 230127
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
827 PM CDT SUN MAY 22 2011

WIC039-230136-
/O.EXP.KMKX.TO.W.0006.000000T0000Z-110523T0130Z/
FOND DU LAC WI-
827 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR CENTRAL FOND DU LAC COUNTY WILL EXPIRE AT
830 PM CDT...

THE STORM WHICH PROMPTED THE WARNING IS ABOUT TO MOVE OUT OF THE 
WARNED AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.

LAT...LON 4389 8852 4389 8846 4376 8878 4390 8886
      4390 8854 4390 8853
TIME...MOT...LOC 0126Z 247DEG 39KT 4388 8847

$$

DDV

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 7:03 PM CDTSevere Thunderstorm WarningMKXRock, Walworth42 min
May 22, 7:28 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine47 min
May 22, 7:31 PM CDTSpecial Marine WarningMKX89 min
May 23, 9:43 AM CDTSmall Craft AdvisoryMKX9 hr

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.