Alert archive / Wisconsin / Tornado Warnings in 2018

Tornado Warning 14, NWS Milwaukee, WI

August 28, 2018Dodge County, Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Aug 28, 2018, 3:59 PM CDT for Dodge County, Fond du Lac County, Wisconsin. It was in force for 31 min. 18 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
Aug 28, 2018, 3:59 PM CDT (20:59 UTC)
Expired
Aug 28, 2018, 4:30 PM CDT
In force
31 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

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

The radar

The Milwaukee radar (KMKX), 73 km from the middle of the area, began a volume at 20:58 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
Aug 28, 4:00 PM CDTFUNNEL CLOUD1 S Brandon, WISPOTTER WAS 4 MILES NE OF BRANDON LOOKING SW AND OBSERVED A FUNNEL BUT COULDN'T SEE THE BASE DUE TO TREES OBSTRUCTING THE VIEW.
Aug 28, 4:00 PM CDTTORNADO4 Ese Brandon, WIEF0 TORNADO ADDED FOR 8/28 BASED UPON VIDEO AND DAMAGE REPORTS FROM FDL COUNTY SHERIFF.
Aug 28, 4:04 PM CDTTORNADO5 Ne Waupun, WIA NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE NORTHEAST OF WAUPUN, OR SOUTHWEST OF OAKFIELD. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 94 MPH, WITH A PATH LENGTH OF 4.54 MILES.
Aug 28, 4:06 PM CDTTSTM WND GST 70Brandon, WIEST 60-70 MPH GUSTS. ALSO A REPORT OF A CAR DOWN ON A TREE SOUTH OF TOWN.
Aug 28, 4:08 PM CDTTORNADO3 S Oakfield, WIA NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE SOUTH OF OAKFIELD, JUST NORTH OF THE DODGE COUNTY LINE. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH, WITH A PATH LENGTH OF 0.14 MILES.
Aug 28, 4:08 PM CDTTORNADO3 S Oakfield, WI
Aug 28, 4:09 PM CDTTORNADO1 W South Byron, WI
Aug 28, 4:09 PM CDTTORNADO1 Wsw South Byron, WIA NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE JUST SOUTH OF SOUTH BYRON. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 100 MPH AND A PATH LENGTH OF 0.92 MILES.
Aug 28, 4:10 PM CDTTORNADOBrownsville, WISURVEY STILL ONGOING. MORE DETAILS TO FOLLOW.
Aug 28, 4:11 PM CDTTORNADO2 W Brownsville, WIA NWS STORM SURVEY FOUND EF-2 RATED TORNADO DAMAGE STARTING WEST OF BROWNSVILLE IN EXTREME NORTHERN DODGE COUNTY. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 125 MPH, WITH A PATH LENGTH OF 3.95 MILES.
Aug 28, 4:11 PM CDTTORNADO2 W Brownsville, WI
Aug 28, 4:11 PM CDTTORNADOSouth Byron, WIA NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE IN SOUTH BYRON. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH, WITH A PATH LENGTH OF 0.15 MILES.
Aug 28, 4:11 PM CDTTORNADOSouth Byron, WI
Aug 28, 4:12 PM CDTTORNADOBrownsville, WIA NWS STORM SURVEY FOUND EF-1 TORNADO DAMAGE NEAR BROWNSVILLE. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 107 MPH , WITH A PATH LENGTH OF 2.7 MILES.
Aug 28, 4:12 PM CDTTORNADOBrownsville, WI
Aug 28, 4:14 PM CDTTSTM WND DMG3 Ene Brownsville, WIA COUPLE OF SEMI TRUCK TRAILERS TIPPED OVER AT QUAD GRAPHICS PLANT. TIME ESTIMATED FROM RADAR.
Aug 28, 4:15 PM CDTTORNADOOakfield, WIDEBRIS VISIBLE FROM HWY Y LOOKING EAST OF OAKFIELD.
Aug 28, 4:16 PM CDTTSTM WND DMGLomira, WIMULTIPLE REPORTS OF LARGE TREES DOWN AND SOME UPROOTED IN LOMIRA.

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
Aug 28, 1:14 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.0 hours before the alert went out and 108 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 2018-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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 2018-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
41 J/kg
Mixed-layer CIN
-407 J/kg
Mixed-layer LCL
1253 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

379 
WFUS53 KMKX 282059
TORMKX
WIC027-039-282130-
/O.NEW.KMKX.TO.W.0014.180828T2059Z-180828T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
359 PM CDT TUE AUG 28 2018

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Southwestern Fond du Lac County in east central Wisconsin...
  Northeastern Dodge County in southeastern Wisconsin...

* Until 430 PM CDT.
    
* At 359 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Waupun, moving east at 45 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Waupun, Lomira, Oakfield, Brandon, Burnett, Lamartine, Byron, Alto,
  Brownsville, Fairwater, Kekoskee, Atwater, Oak Center, Lagoda and
  Knowles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4349 8886 4375 8888 4380 8849 4353 8840
TIME...MOT...LOC 2059Z 270DEG 38KT 4361 8874 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BOXELL
1 follow-up statement
280 
WWUS53 KMKX 282127
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
427 PM CDT TUE AUG 28 2018

WIC027-039-282136-
/O.EXP.KMKX.TO.W.0014.000000T0000Z-180828T2130Z/
Fond du Lac WI-Dodge WI-
427 PM CDT TUE AUG 28 2018

...THE TORNADO WARNING FOR SOUTHWESTERN FOND DU LAC AND NORTHEASTERN
DODGE COUNTIES WILL EXPIRE AT 430 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
southeastern and east central Wisconsin.

Remember, a Tornado Warning still remains in effect for eastern Fond 
du Lac County through 5 PM. 

LAT...LON 4349 8886 4375 8888 4380 8849 4353 8840
TIME...MOT...LOC 2126Z 270DEG 38KT 4361 8835 

$$

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 9:12 PM CDTSevere Thunderstorm WarningMKXGreen Lake, Marquette48 min
Aug 27, 10:43 PM CDTSpecial Marine WarningMKX92 min
Aug 27, 10:47 PM CDTSevere Thunderstorm WarningMKXSauk43 min
Aug 27, 11:22 PM CDTTornado WarningMKXSauk23 min
Aug 27, 11:36 PM CDTTornado WarningMKXColumbia, Marquette, Sauk24 min
Aug 27, 11:51 PM CDTFlash Flood WarningMKXColumbia, Sauk3 hr
Aug 27, 11:55 PM CDTFlash Flood WarningMKXGreen Lake, Marquette6 hr
Aug 27, 11:57 PM CDTTornado WarningMKXColumbia, Green Lake, Marquette33 min
Aug 28, 12:00 AM CDTFlash Flood WarningMKXFond du Lac, Sheboygan6 hr
Aug 28, 12:51 AM CDTFlash Flood WarningMKXFond du Lac, Sheboygan6 hr
Aug 28, 1:45 AM CDTFlash Flood WarningMKXDodge, Ozaukee, Washington3 hr
Aug 28, 2:43 AM CDTFlash Flood WarningMKXColumbia, Sauk3 hr
Aug 28, 5:45 AM CDTAreal Flood WarningMKXColumbia, Sauk6 hr
Aug 28, 5:53 AM CDTAreal Flood WarningMKXGreen Lake, Marquette6 hr
Aug 28, 11:33 AM CDTRiver Flood WatchMKXOzaukee7 hr
Aug 28, 12:11 PM CDTRiver Flood WarningMKXSauk13 days
Aug 28, 12:11 PM CDTRiver Flood WarningMKXSauk16 days
Aug 28, 2:29 PM CDTSevere Thunderstorm WarningMKXColumbia, Marquette, Sauk46 min
Aug 28, 2:46 PM CDTTornado WarningMKXMarquette44 min
Aug 28, 3:01 PM CDTFlash Flood WarningMKXColumbia, Green Lake, Marquette, Sauk10 hr
Aug 28, 3:06 PM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake, Marquette39 min
Aug 28, 3:12 PM CDTTornado WarningMKXGreen Lake, Marquette33 min
Aug 28, 3:35 PM CDTSevere Thunderstorm WarningMKXColumbia, Dodge, Fond du Lac, Green Lake55 min
Aug 28, 3:38 PM CDTTornado Warning Tornado observedMKXFond du Lac, Green Lake37 min
Aug 28, 3:44 PM CDTSevere Thunderstorm WarningMKXColumbia, Dodge33 min
Aug 28, 4:10 PM CDTTornado Warning Tornado observedMKXDodge, Fond du Lac35 min
Aug 28, 4:13 PM CDTSpecial Marine WarningMKX92 min
Aug 28, 4:15 PM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac, Ozaukee, Sheboygan, Washington60 min
Aug 28, 4:21 PM CDTFlash Flood WarningMKXFond du Lac, Sheboygan9 hr
Aug 28, 4:26 PM CDTTornado Warning Tornado observedMKXFond du Lac, Sheboygan34 min
Aug 28, 4:38 PM CDTFlash Flood WarningMKXOzaukee, Washington7 hr
Aug 28, 4:41 PM CDTSevere Thunderstorm WarningMKXDodge, Milwaukee, Ozaukee, Washington, Waukesha27 min
Aug 28, 6:55 PM CDTRiver Flood WarningMKXSauk63 hr
Aug 28, 6:55 PM CDTRiver Flood WarningMKXOzaukee36 hr
Aug 28, 6:55 PM CDTRiver Flood WarningMKXJefferson20 days

Nearby

Tornado Warnings in Wisconsin, 2018Every tornado warning in 2018Tornadoes in 2018

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.