Alert archive / Wisconsin / Special Weather Statements in 2017

Special Weather Statement, NWS Milwaukee, WI

June 19, 20174 counties in Wisconsin

NWS Milwaukee, WI issued this special weather statement at Jun 19, 2017, 2:06 PM CDT for 4 counties in Wisconsin. It was in force for 24 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, 2:06 PM CDT (19:06 UTC)
Expired: Jun 19, 2017, 2:30 PM CDT
In force: 24 min
Issued by: NWS Milwaukee, WI

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

The radar

The Milwaukee radar (KMKX), 83 km from the middle of the area, began a volume at 19:09 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, 7.1 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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, 12:49 PM CDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jun 19, 12:49 PM CDT, 1 hour 17 minutes before

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Hazardous weather outlook, Jun 19, 11:32 AM CDT, 2 hours 34 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, 1:12 PM CDT, 54 minutes before

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Local storm report, Jun 19, 1:24 PM CDT, 42 minutes before

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Special weather statement, Jun 19, 1:29 PM CDT, 37 minutes before

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Special weather statement, Jun 19, 1:34 PM CDT, 32 minutes before

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Special weather statement, Jun 19, 1:54 PM CDT, 12 minutes before

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Special weather statement, Jun 19, 2:06 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 12:05 PM CDT	Special Weather Statement	MKX	Columbia, Dane, Green Lake, Marquette	55 min
Jun 19, 12:39 PM CDT	Special Weather Statement	MKX	Dodge, Fond du Lac, Jefferson, Rock, Walworth	66 min
Jun 19, 12:51 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge	24 min
Jun 19, 1:05 PM CDT	Special Weather Statement	MKX	Iowa	25 min
Jun 19, 1:12 PM CDT	Special Weather Statement	MKX	Jefferson, Waukesha	33 min
Jun 19, 1:29 PM CDT	Special Weather Statement	MKX	Washington	31 min
Jun 19, 1:34 PM CDT	Special Weather Statement	MKX	Dane	26 min
Jun 19, 1:54 PM CDT	Special Weather Statement	MKX	Waukesha	36 min
Jun 19, 1:59 PM CDT	Special Marine Warning	MKX		91 min
Jun 19, 2:08 PM CDT	Special Weather Statement	MKX	Green, Rock, Walworth	52 min
Jun 19, 2:28 PM CDT	Special Weather Statement	MKX	Kenosha, Milwaukee, Racine	32 min
Jun 19, 4:58 PM CDT	Special Weather Statement	MKX	Dane	32 min

Nearby

Special Weather Statements in Wisconsin, 2017 Every 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.