Alert archive / Wisconsin / Tornado Warnings in 2018

Tornado Warning 15, NWS Milwaukee, WI

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

NWS Milwaukee, WI issued this tornado warning at Aug 28, 2018, 4:10 PM CDT for Dodge County, Fond du Lac County, Wisconsin. It was in force for 35 min. 15 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, 4:10 PM CDT (21:10 UTC)
Expired
Aug 28, 2018, 4:45 PM CDT
In force
35 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

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

The radar

The Milwaukee radar (KMKX), 78 km from the middle of the area, began a volume at 21:10 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, 4:10 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.
Aug 28, 4:16 PM CDTTORNADO3 E South Byron, WIA NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE EAST OF SOUTH BYRON. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 90 MPH, WITH A PATH LENGTH OF 3.05 MILES.
Aug 28, 4:16 PM CDTTORNADO3 E South Byron, WIPATH MAY BE LENGTHENED TO THE EAST-NORTHEAST.
Aug 28, 4:22 PM CDTTORNADO3 Sse Eden, WIA NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE SOUTH OF THE VILLAGE OF EDEN. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 90 MPH, WITH A PATH LENGTH OF 4.48 MILES.
Aug 28, 4:25 PM CDTTSTM WND DMG5 S Mount Calvary, WIDAMAGE TO OUTBUILDING. TIME ESTIMATED FROM RADAR.
Aug 28, 4:27 PM CDTTORNADO6 Ene Eden, WIDAMAGE SURVEY FROM SOUTHWEST OF MULLET LAKE. ONE BARN DIRECTLY HIT WITH DEBRIS CARRIED DOWNSTREAM THROUGH THE FIELDS. PEAK WIND EST AT 100MPH.

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, 9.2 hours before the alert went out and 94 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.

841 
WFUS53 KMKX 282110
TORMKX
WIC027-039-282145-
/O.NEW.KMKX.TO.W.0015.180828T2110Z-180828T2145Z/

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

The National Weather Service in Milwaukee/Sullivan has issued a

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

* Until 445 PM CDT.

* At 410 PM CDT, a confirmed tornado was located near Oakfield, or
  near Waupun, moving east at 35 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Weather spotters confirmed tornado.  Numerous reports of 
           a tornado have been received southwest of Fond du Lac. 

  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...
  Fond Du Lac, North Fond Du Lac, Lomira, Campbellsport, Oakfield,
  Southern Lake Winnebago, Taycheedah, Ashford, Lamartine, Byron,
  Eden, Mount Calvary, Brownsville, St. Cloud, Kekoskee, Peebles, Oak
  Center, Dundee, Lagoda and Waucousta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4386 8816 4354 8816 4354 8840 4353 8840
      4351 8868 4378 8870
TIME...MOT...LOC 2110Z 273DEG 32KT 4367 8863 

TORNADO...OBSERVED
HAIL...1.00IN

$$

BOXELL
2 follow-up statements
527 
WWUS53 KMKX 282119
SVSMKX

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

WIC027-039-282145-
/O.CON.KMKX.TO.W.0015.000000T0000Z-180828T2145Z/
Fond du Lac WI-Dodge WI-
419 PM CDT TUE AUG 28 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
SOUTHEASTERN FOND DU LAC AND NORTHEASTERN DODGE COUNTIES...
    
At 419 PM CDT, a confirmed tornado was located near Lomira, or 7
miles south of Fond Du Lac, moving east at 50 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters confirmed tornado.  A tornado with debris 
         was reported near Oakfield. 

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...
Fond Du Lac, North Fond Du Lac, Lomira, Campbellsport, Oakfield,
Southern Lake Winnebago, Taycheedah, Ashford, Lamartine, Byron, Eden,
Mount Calvary, Brownsville, St. Cloud, Kekoskee, Peebles, Oak Center,
Dundee, Lagoda and Waucousta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4386 8816 4354 8816 4354 8840 4353 8840
      4351 8868 4378 8870
TIME...MOT...LOC 2119Z 269DEG 44KT 4368 8841 

TORNADO...OBSERVED
HAIL...1.00IN

$$

BOXELL
932 
WWUS53 KMKX 282135
SVSMKX

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

WIC027-039-282145-
/O.EXP.KMKX.TO.W.0015.000000T0000Z-180828T2145Z/
Fond du Lac WI-Dodge WI-
435 PM CDT TUE AUG 28 2018

...THE TORNADO WARNING FOR SOUTHEASTERN FOND DU LAC AND NORTHEASTERN
DODGE COUNTIES WILL EXPIRE AT 445 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 Sheboygan 
County. 

LAT...LON 4386 8816 4354 8816 4354 8840 4353 8840
      4351 8868 4378 8870
TIME...MOT...LOC 2135Z 273DEG 32KT 4367 8823 

$$

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, 3:59 PM CDTTornado WarningMKXDodge, Fond du Lac31 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.