Alert archive / Wisconsin / Tornado Warnings in 2018

Tornado Warning 16, NWS Milwaukee, WI

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

NWS Milwaukee, WI issued this tornado warning at Aug 28, 2018, 4:26 PM CDT for Fond du Lac County, Sheboygan County, Wisconsin. It was in force for 34 min. 7 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, 4:26 PM CDT (21:26 UTC)
Expired
Aug 28, 2018, 5:00 PM CDT
In force
34 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Fond du Lac County, WI, Sheboygan County, WI

The radar

The Green Bay radar (KGRB), 91 km from the middle of the area, began a volume at 21:26 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, 4:27 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.
Aug 28, 4:30 PM CDTTORNADO1 Ene Dundee, WIA NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE NEAR DUNDEE. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH, AND A PATH LENGTH OF 0.04 MILES.
Aug 28, 4:36 PM CDTTORNADO3 N Cascade, WISTORM SURVEY NORTHWEST OF CASCADE. TWO HORSE SHEDS LOFTED AND CARRIED INTO A SOYBEAN FIELD WHICH HAD SOME SCOURING. MAX WINDS EST AT 100MPH.
Aug 28, 4:43 PM CDTTSTM WND DMGWaldo, WI2 SEMI TRUCKS OVERTURNED ON HIGHWAY 57 IN WALDO. TREES AND POWER LINES DOWN THROUGH MUCH OF THE COUNTY. TIME ESTIMATED FROM RADAR.
Aug 28, 4:53 PM CDTTSTM WND DMGOostburg, WILARGE HEALTHY TREE SNAPPED AT BASE. ANOTHER 15 INCH DIAMETER BRANCH FELL ON HOUSE CAUSING DAMAGE NEAR SAUK TRAIL AND VAN ESS ROAD. TIME ESTIMATED FROM RADAR.
Aug 28, 4:56 PM CDTTORNADO5 Sse Kohler, WITOWN OF WILSON NEAR SHEBOYGAN. VIDEO OF SMALL TORNADO BY JULIE DE PAGTER ON SOCIAL MEDIA. REPORT OF MINOR TREE DAMAGE.
Aug 28, 4:57 PM CDTTORNADO5 Ne Oostburg, WIA NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE NORTHEAST OF OOTSBURG. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH, AND A PATH LENGTH OF 0.3 MILES.

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, 9.4 hours before the alert went out and 89 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.

914 
WFUS53 KMKX 282126
TORMKX
WIC039-117-282200-
/O.NEW.KMKX.TO.W.0016.180828T2126Z-180828T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
426 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...
  Sheboygan County in east central Wisconsin...

* Until 500 PM CDT.

* At 426 PM CDT, a confirmed tornado was located near Campbellsport,
  or 10 miles north of Kewaskum, moving east at 60 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Weather spotters confirmed tornado.  Multiple reports of 
           tornadoes have been received with this storm across Fond 
           du Lac County. 

  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...
  Sheboygan, Plymouth, Sheboygan Falls, Howards Grove, Oostburg,
  Kohler, Cedar Grove, Campbellsport, Random Lake, Elkhart Lake,
  Greenbush, Mount Calvary, Cascade, Adell, Waldo, St. Cloud,
  Glenbeulah, Haven, Beechwood and Johnsonville.

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 4367 8770 4357 8777 4354 8778 4354 8830
      4383 8835 4388 8772 4382 8771 4379 8769
TIME...MOT...LOC 2126Z 256DEG 54KT 4367 8820 

TORNADO...OBSERVED
HAIL...1.00IN

$$

BOXELL
2 follow-up statements
404 
WWUS53 KMKX 282138
SVSMKX

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

WIC039-282148-
/O.CAN.KMKX.TO.W.0016.000000T0000Z-180828T2200Z/
Fond du Lac WI-
438 PM CDT TUE AUG 28 2018

...THE TORNADO WARNING FOR SOUTHEASTERN FOND DU LAC COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 4367 8770 4357 8777 4354 8778 4355 8813
      4385 8815 4388 8772 4381 8771 4379 8769
TIME...MOT...LOC 2138Z 256DEG 54KT 4371 8795 

$$

WIC117-282200-
/O.CON.KMKX.TO.W.0016.000000T0000Z-180828T2200Z/
Sheboygan WI-
438 PM CDT TUE AUG 28 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SHEBOYGAN
COUNTY...
    
At 438 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Plymouth, moving east at 60 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...
Sheboygan, Plymouth, Sheboygan Falls, Howards Grove, Oostburg,
Kohler, Cedar Grove, Random Lake, Elkhart Lake, Greenbush, Cascade,
Adell, Waldo, Glenbeulah, Haven, Silver Creek, Beechwood,
Johnsonville, Gibbsville and Batavia.

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 4367 8770 4357 8777 4354 8778 4355 8813
      4385 8815 4388 8772 4381 8771 4379 8769
TIME...MOT...LOC 2138Z 256DEG 54KT 4371 8795 

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

$$

BOXELL
163 
WWUS53 KMKX 282151
SVSMKX

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

WIC117-282200-
/O.CON.KMKX.TO.W.0016.000000T0000Z-180828T2200Z/
Sheboygan WI-
451 PM CDT TUE AUG 28 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR EASTERN
SHEBOYGAN COUNTY...
    
At 451 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Kohler, or over Sheboygan Falls, moving east at 50
mph.

HAZARD...Tornado.

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...
Sheboygan, Sheboygan Falls, Howards Grove, Oostburg, Kohler, Cedar
Grove, Haven and Gibbsville.

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 4367 8770 4357 8777 4354 8778 4355 8794
      4387 8783 4388 8772 4381 8771 4379 8769
TIME...MOT...LOC 2151Z 257DEG 42KT 4373 8778 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

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, 4:10 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, 4:38 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.