Alert archive / Wisconsin / Special Weather Statements in 2017

Special Weather Statement, NWS Green Bay, WI

July 23, 2017Brown County, Manitowoc County, Outagamie County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Jul 23, 2017, 1:28 PM CDT for Brown County, Manitowoc County, Outagamie County, Wisconsin. It was in force for 47 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: Jul 23, 2017, 1:28 PM CDT (18:28 UTC)
Expired: Jul 23, 2017, 2:15 PM CDT
In force: 47 min
Issued by: NWS Green Bay, WI

Counties Brown County, WI, Manitowoc County, WI, Outagamie County, WI

The radar

The Green Bay radar (KGRB), 19 km from the middle of the area, began a volume at 18:32 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 12:00Z, 6.5 hours before the alert went out and 360 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: 220 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1453 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -58 m²/s²
0-3 km storm-relative helicity: -27 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -1.1

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 Green Bay, WI wrote its last area forecast discussion before this special weather statement went out at Jul 23, 12:34 PM CDT, 54 minutes earlier.

Area forecast discussion, Jul 23, 12:34 PM CDT, 54 minutes before

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Hazardous weather outlook, Jul 23, 3:59 AM CDT, 9 hours 29 minutes before

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In the hours before

Local storm report, Jul 23, 7:58 AM CDT, 5 hours 30 minutes before

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Special weather statement, Jul 23, 11:44 AM CDT, 1 hour 44 minutes before

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Local storm report, Jul 23, 1:19 PM CDT, 9 minutes before

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Special weather statement, Jul 23, 1:28 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Green Bay WI
128 PM CDT SUN JUL 23 2017

WIZ031-037>040-049-050-231915-
Calumet WI-Waupaca WI-Shawano WI-Kewaunee WI-Outagamie WI-
Manitowoc WI-Brown WI-
128 PM CDT SUN JUL 23 2017

...ISOLATED STORMS WITH SMALL HAIL...

At 123 PM CDT, Doppler radar was tracking a nearly training line of
thunderstorms extending from Clintonville to Kellnersville, moving
southeast at 20 mph.

Pea size hail and wind gusts to 30 mph will be possible with
some of these storms.

Locations impacted include...
Green Bay, Appleton, Manitowoc, Shawano, Kaukauna, Little Chute, New
London, Kimberly, Clintonville and Brillion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Brief torrential rainfall may also occur with a few of these storms,
reducing visibilities for motorists.

&&

LAT...LON 4450 8891 4480 8860 4433 8748 4418 8745
      4407 8759 4395 8766
TIME...MOT...LOC 1823Z 326DEG 10KT 4476 8866 4450 8881

TDH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 7:00 PM CDT	Severe Thunderstorm Warning	GRB	Oconto, Shawano	25 min
Jul 22, 7:29 PM CDT	Special Weather Statement	GRB	Brown	31 min
Jul 22, 7:55 PM CDT	Special Weather Statement	GRB	Brown	35 min
Jul 22, 8:30 PM CDT	Special Weather Statement	GRB	Oconto	45 min
Jul 22, 10:13 PM CDT	Special Weather Statement	GRB	Winnebago	47 min
Jul 22, 10:18 PM CDT	Special Weather Statement	GRB	Brown, Kewaunee	42 min
Jul 22, 10:30 PM CDT	Special Marine Warning	GRB		60 min
Jul 22, 10:42 PM CDT	Special Weather Statement	GRB	Brown, Kewaunee	48 min
Jul 22, 10:52 PM CDT	Special Marine Warning	GRB		83 min
Jul 22, 11:02 PM CDT	Areal Flood Advisory	GRB	Brown, Door, Kewaunee, Outagamie	58 min
Jul 22, 11:16 PM CDT	Special Weather Statement	GRB	Lincoln, Oneida, Vilas	59 min
Jul 22, 11:19 PM CDT	Special Weather Statement	GRB	Brown, Kewaunee	41 min
Jul 23, 12:01 AM CDT	Special Weather Statement	GRB	Brown, Calumet, Manitowoc	59 min
Jul 23, 1:48 AM CDT	Special Weather Statement	GRB	Manitowoc	42 min
Jul 23, 11:44 AM CDT	Special Weather Statement	GRB	Kewaunee	46 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.