Alert archive / Wisconsin / Special Weather Statements in 2017

Special Weather Statement, NWS Milwaukee, WI

June 19, 20175 counties in Wisconsin

NWS Milwaukee, WI issued this special weather statement at Jun 19, 2017, 12:39 PM CDT for 5 counties in Wisconsin. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 19, 2017, 12:39 PM CDT (17:39 UTC)
Expired
Jun 19, 2017, 1:45 PM CDT
In force
66 min
Issued by
NWS Milwaukee, WI

Counties Dodge County, WI, Fond du Lac County, WI, Jefferson County, WI, Rock County, WI, Walworth County, WI

The radar

The Milwaukee radar (KMKX), 40 km from the middle of the area, began a volume at 17:39 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.7 hours before the alert went out and 140 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 2017-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2017-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
9 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this special weather statement went out at Jun 19, 10:11 AM CDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jun 19, 10:11 AM CDT, 2 hours 28 minutes before
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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jun 19, 11:32 AM CDT, 1 hour 7 minutes before
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1132 AM CDT Mon Jun 19 2017

WIZ046-047-051-052-056>060-062>072-201645-
Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
1132 AM CDT Mon Jun 19 2017

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin, and southeast Wisconsin.

.DAY ONE...This Afternoon and Tonight

There is a marginal risk for severe thunderstorms across most of
south central and southeast Wisconsin.

Scattered thunderstorms are expected this afternoon into early
this evening. Some of the stronger storms could produce large hail
to around 1 inch. Those storms would also produce strong gusty
winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There are chances of thunderstorms at times from Tuesday through
Sunday. There is a Marginal Risk for severe storms Wednesday
evening and night across the western 2/3 of the forecast area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed for Wednesday evening and
overnight.

LMZ643>646-201645-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
1132 AM CDT Mon Jun 19 2017

This Hazardous Weather Outlook is for portions of Lake Michigan.

.DAY ONE...This Afternoon and Tonight

There is a marginal risk for severe thunderstorms.

Scattered thunderstorms are expected this afternoon into early
this evening. Some of the stronger storms could produce large hail
to around 1 inch. Those storms would also produce strong gusty
winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There are chances of thunderstorms at times from Tuesday through
Sunday.

Davis

www.weather.gov/mkx

In the hours before

Special weather statement, Jun 19, 12:05 PM CDT, 34 minutes before
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
1205 PM CDT MON JUN 19 2017

WIZ046-047-056-057-062-063-191800-
Columbia-Iowa-Marquette-Green Lake-Sauk-Dane-
1205 PM CDT MON JUN 19 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT GREEN LAKE...
NORTHEASTERN IOWA...COLUMBIA...DANE...CENTRAL SAUK AND MARQUETTE
COUNTIES...

At 1204 PM CDT, radar indicated strong thunderstorms were located
along a line extending from 6 miles north of Montello to near Baraboo
to 6 miles northwest of Spring Green. Movement was east at 25 mph.

Winds in excess of 30 mph and pea size hail are possible with these
storms.

Locations impacted include...
Madison, Sun Prairie, Fitchburg, Middleton, Stoughton, Waunakee,
Baraboo, Verona, Portage, Oregon, McFarland, Monona, Mount Horeb,
Windsor, Edgerton, Columbus, Prairie Du Sac, Marshall, Sauk City and
Lake Wisconsin.

LAT...LON 4398 8889 4363 8889 4363 8901 4285 8901
      4286 8984 4317 9019 4330 9019 4350 8980
      4365 8967 4364 8960 4372 8960 4398 8937
TIME...MOT...LOC 1704Z 287DEG 22KT 4389 8933 4348 8969 4324 9016

BSH
Local storm report, Jun 19, 12:30 PM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1230 PM CDT MON JUN 19 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1222 PM     HAIL             1 E POYNETTE            43.39N 89.40W
06/19/2017  E0.25 INCH       COLUMBIA           WI   PUBLIC

            ACCOMPANIED BY GUSTY WINDS WITH A FEW
            BRANCHES DOWNED. NOTHING SIGNIFICANT TO
            REPORT.

&&

BSH
Special weather statement, Jun 19, 12:39 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
1239 PM CDT MON JUN 19 2017

WIZ051-058-064-069-070-191845-
Dodge-Walworth-Rock-Fond Du Lac-Jefferson-
1239 PM CDT MON JUN 19 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT FOND DU LAC...WESTERN
WALWORTH...ROCK...JEFFERSON AND DODGE COUNTIES...

At 1238 PM CDT, radar indicated strong thunderstorms were located
along a line extending from Green Lake to 7 miles northeast of
Deforest to Stoughton. Movement was east at 30 mph.

Winds in excess of 40 mph and pea size hail are possible with these
storms.

Locations impacted include...
Janesville, Fond Du Lac, Beloit, Watertown, Beaver Dam, Whitewater,
Hartford, Fort Atkinson, Waupun, Elkhorn, Delavan, Jefferson, Ripon,
Lake Mills, Milton, Edgerton, Mayville, North Fond Du Lac, Evansville
and Columbus.

LAT...LON 4250 8936 4285 8937 4285 8901 4363 8901
      4363 8889 4390 8888 4389 8841 4394 8840
      4394 8817 4354 8816 4354 8840 4320 8842
      4320 8854 4250 8853
TIME...MOT...LOC 1738Z 272DEG 26KT 4382 8898 4331 8925 4293 8920

BSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 12:05 PM CDTSpecial Weather StatementMKXColumbia, Dane, Green Lake, Marquette55 min
Jun 19, 12:51 PM CDTSevere Thunderstorm WarningMKXColumbia, Dodge24 min
Jun 19, 1:05 PM CDTSpecial Weather StatementMKXIowa25 min
Jun 19, 1:12 PM CDTSpecial Weather StatementMKXJefferson, Waukesha33 min
Jun 19, 1:29 PM CDTSpecial Weather StatementMKXWashington31 min
Jun 19, 1:34 PM CDTSpecial Weather StatementMKXDane26 min
Jun 19, 1:54 PM CDTSpecial Weather StatementMKXWaukesha36 min
Jun 19, 1:59 PM CDTSpecial Marine WarningMKX91 min
Jun 19, 2:06 PM CDTSpecial Weather StatementMKXFond du Lac, Ozaukee, Sheboygan, Washington24 min
Jun 19, 2:08 PM CDTSpecial Weather StatementMKXGreen, Rock, Walworth52 min
Jun 19, 2:28 PM CDTSpecial Weather StatementMKXKenosha, Milwaukee, Racine32 min
Jun 19, 4:58 PM CDTSpecial Weather StatementMKXDane32 min

Nearby

Special Weather Statements in Wisconsin, 2017Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.