Alert archive / Wisconsin / Special Weather Statements in 2018

Special Weather Statement, NWS Green Bay, WI

June 30, 2018Florence County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Jun 30, 2018, 8:45 PM CDT for Florence County, Wisconsin. It was in force for 15 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 30, 2018, 8:45 PM CDT (01:45 UTC)
Expired: Jun 30, 2018, 9:00 PM CDT
In force: 15 min
Issued by: NWS Green Bay, WI

County Florence County, WI

The radar

The Marquette radar (KMQT), 86 km from the middle of the area, began a volume at 01:49 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 00:00Z, 1.8 hours before the alert went out and 155 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: 3137 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1358 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: -12 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 Green Bay, WI wrote its last area forecast discussion before this special weather statement went out at Jun 30, 6:15 PM CDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jun 30, 6:15 PM CDT, 2 hours 30 minutes before

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Hazardous weather outlook, Jun 30, 7:56 PM CDT, 49 minutes before

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In the hours before

Special weather statement, Jun 30, 6:58 PM CDT, 1 hour 47 minutes before

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Local storm report, Jun 30, 7:12 PM CDT, 1 hour 33 minutes before

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Special weather statement, Jun 30, 7:16 PM CDT, 1 hour 29 minutes before

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Local storm report, Jun 30, 7:22 PM CDT, 1 hour 23 minutes before

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Local storm report, Jun 30, 8:27 PM CDT, 18 minutes before

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Special weather statement, Jun 30, 8:45 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:16 PM CDT	Special Weather Statement	GRB	Outagamie, Waupaca, Winnebago	59 min
Jun 30, 9:09 PM CDT	Special Weather Statement	GRB	Vilas	51 min
Jul 1, 3:29 AM CDT	Small Craft Advisory	GRB		22 hr
Jul 1, 3:43 AM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	21 hr
Jul 1, 12:01 PM CDT	Special Weather Statement	GRB	Shawano	44 min
Jul 1, 12:10 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Portage, Shawano, Waupaca	50 min
Jul 1, 12:18 PM CDT	Tornado Warning	GRB	Shawano, Waupaca	42 min
Jul 1, 12:23 PM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto	82 min
Jul 1, 12:43 PM CDT	Tornado Warning	GRB	Marinette, Oconto	47 min
Jul 1, 1:20 PM CDT	Severe Thunderstorm Warning	GRB	Marinette	55 min
Jul 1, 1:26 PM CDT	Special Weather Statement	GRB	Brown	49 min
Jul 1, 1:28 PM CDT	Special Marine Warning	GRB		92 min
Jul 1, 1:37 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto, Outagamie	53 min
Jul 1, 1:38 PM CDT	Special Weather Statement	GRB	Waushara	52 min
Jul 1, 1:54 PM CDT	Special Weather Statement	GRB	Winnebago	51 min
Jul 1, 2:06 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Waupaca, Waushara, Winnebago	39 min
Jul 1, 2:10 PM CDT	Special Marine Warning	GRB		65 min
Jul 1, 2:27 PM CDT	Special Weather Statement	GRB	Door	48 min
Jul 1, 2:40 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto, Outagamie, Shawano	50 min
Jul 1, 2:53 PM CDT	Special Marine Warning	GRB		106 min
Jul 1, 3:13 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Marinette, Oconto	47 min
Jul 1, 3:24 PM CDT	Severe Thunderstorm Warning	GRB	Door	66 min
Jul 1, 3:27 PM CDT	Special Marine Warning	GRB		93 min
Jul 1, 5:00 PM CDT	Special Marine Warning	GRB		30 min

Nearby

Special Weather Statements in Wisconsin, 2018 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.