Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS Green Bay, WI

July 20, 2016Wood County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Jul 20, 2016, 6:02 PM CDT for Wood County, Wisconsin. It was in force for 58 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 20, 2016, 6:02 PM CDT (23:02 UTC)
Expired: Jul 20, 2016, 7:00 PM CDT
In force: 58 min
Issued by: NWS Green Bay, WI

County Wood County, WI

The radar

The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 23:05 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, 11.0 hours before the alert went out and 159 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: 202 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1054 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 20, 2:49 PM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jul 20, 2:49 PM CDT, 3 hours 13 minutes before

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Hazardous weather outlook, Jul 20, 2:53 PM CDT, 3 hours 9 minutes before

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In the hours before

Special weather statement, Jul 20, 5:18 PM CDT, 44 minutes before

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Special weather statement, Jul 20, 6:02 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
Jul 20, 10:49 AM CDT	Special Weather Statement	GRB	Marathon, Portage, Wood	41 min
Jul 20, 10:54 AM CDT	Special Weather Statement	GRB	Wood	36 min
Jul 20, 11:20 AM CDT	Special Weather Statement	GRB	Wood	40 min
Jul 20, 11:39 AM CDT	Special Weather Statement	GRB	Portage	51 min
Jul 20, 3:02 PM CDT	Heat Advisory	GRB	Brown, Calumet, Manitowoc, Marathon, Menominee, Oconto and 7 more	13 hr
Jul 20, 5:18 PM CDT	Special Weather Statement	GRB	Wood	57 min

Nearby

Special Weather Statements in Wisconsin, 2016 Every special weather statement in 2016

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.