Alert archive / Wisconsin / Special Weather Statements in 2019

Special Weather Statement, NWS Milwaukee, WI

August 5, 2019Green County, Wisconsin

NWS Milwaukee, WI issued this special weather statement at Aug 5, 2019, 10:47 PM CDT for Green County, Wisconsin. It was in force for 43 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: Aug 5, 2019, 10:47 PM CDT (03:47 UTC)
Expired: Aug 5, 2019, 11:30 PM CDT
In force: 43 min
Issued by: NWS Milwaukee, WI

County Green County, WI

The radar

The Milwaukee radar (KMKX), 103 km from the middle of the area, began a volume at 03:47 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

Davenport, (KDVN), launched 00:00Z, 3.8 hours before the alert went out and 124 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: 19 J/kg
Mixed-layer CIN: -176 J/kg
Mixed-layer LCL: 1668 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Aug 5, 9:36 PM CDT, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 5, 9:36 PM CDT, 1 hour 11 minutes before

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Hazardous weather outlook, Aug 5, 9:47 PM CDT, 1 hour before

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In the hours before

Special weather statement, Aug 5, 8:49 PM CDT, 1 hour 58 minutes before

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
849 PM CDT Mon Aug 5 2019

WIZ051-052-058>060-064>066-060245-
Dodge-Waukesha-Sheboygan-Milwaukee-Ozaukee-Washington-Fond Du
Lac-Jefferson-
849 PM CDT Mon Aug 5 2019

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT OZAUKEE...SOUTHEASTERN
FOND DU LAC...MILWAUKEE...WAUKESHA...WASHINGTON...JEFFERSON...
SOUTHERN SHEBOYGAN AND SOUTHERN DODGE COUNTIES...

At 849 PM CDT, radar indicated strong thunderstorms were located
along a line extending from 7 miles east of Sheboygan, to near
Campbellsport, to near Watertown, to near Waterloo. Movement was
southeast at 40 mph.

Winds of 30 to 40 mph are possible with these storms.

Locations impacted include...
Milwaukee, Waukesha, West Allis, Sheboygan, Wauwatosa, New Berlin,
Brookfield, Greenfield, Menomonee Falls, Oak Creek, West Bend,
Muskego, Watertown, Mequon, South Milwaukee, Cudahy, Hartford,
Whitefish Bay, Greendale and Pewaukee.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4357 8779 4349 8779 4338 8787 4326 8791
      4307 8787 4302 8790 4294 8784 4284 8784
      4284 8869 4309 8901 4331 8901 4330 8886
      4348 8847 4366 8830 4375 8771 4368 8770
TIME...MOT...LOC 0149Z 312DEG 36KT 4374 8757 4361 8822 4344 8839 4325
8879 4315 8892

WOOD

Special weather statement, Aug 5, 9:03 PM CDT, 1 hour 44 minutes before

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Special weather statement, Aug 5, 9:09 PM CDT, 1 hour 38 minutes before

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Special weather statement, Aug 5, 9:37 PM CDT, 1 hour 10 minutes before

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Local storm report, Aug 5, 9:47 PM CDT, 1 hour before

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Special weather statement, Aug 5, 10:47 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
Aug 5, 7:20 PM CDT	Special Weather Statement	MKX	Green Lake, Marquette	40 min
Aug 5, 7:30 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	30 min
Aug 5, 7:57 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dodge, Fond du Lac, Green Lake, Marquette	33 min
Aug 5, 8:07 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	38 min
Aug 5, 8:25 PM CDT	Special Weather Statement	MKX	Columbia, Dodge, Fond du Lac	35 min
Aug 5, 8:33 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Sauk	27 min
Aug 5, 8:49 PM CDT	Special Weather Statement	MKX	Jefferson, Milwaukee, Ozaukee, Sheboygan, Washington, Waukesha	56 min
Aug 5, 9:03 PM CDT	Special Weather Statement	MKX	Columbia	42 min
Aug 5, 9:09 PM CDT	Special Weather Statement	MKX	Dane, Iowa	81 min
Aug 5, 9:37 PM CDT	Special Weather Statement	MKX	Dane, Green, Jefferson, Kenosha, Milwaukee, Racine and 3 more	53 min
Aug 5, 10:03 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Lafayette	42 min

Nearby

Special Weather Statements in Wisconsin, 2019 Every special weather statement in 2019

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.