Alert archive / Wisconsin / Special Weather Statements in 2020

Special Weather Statement, NWS Green Bay, WI

July 14, 2020Oneida County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Jul 14, 2020, 5:41 PM CDT for Oneida County, Wisconsin. It was in force for 49 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 14, 2020, 5:41 PM CDT (22:41 UTC)
Expired: Jul 14, 2020, 6:30 PM CDT
In force: 49 min
Issued by: NWS Green Bay, WI

County Oneida County, WI

The radar

The Green Bay radar (KGRB), 151 km from the middle of the area, began a volume at 22:45 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, 10.7 hours before the alert went out and 154 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1299 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 141 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 Jul 14, 3:40 PM CDT, 2 hours 1 minute earlier.

Area forecast discussion, Jul 14, 3:40 PM CDT, 2 hours 1 minute before

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Hazardous weather outlook, Jul 14, 2:51 PM CDT, 2 hours 50 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
251 PM CDT Tue Jul 14 2020

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-152000-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
251 PM CDT Tue Jul 14 2020

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

Thunderstorms are expected at times through late this evening.
Some of these storms could become strong to severe. The best
chance of severe storms is expected over central Wisconsin. The
main threats would be damaging winds and hail. Very heavy
rainfall will be possible with any storms that form.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

There is a continued chance for thunderstorms Wednesday across
east-central Wisconsin as an area of low pressure moves northeast
along a cold front. These storms are not expected to be severe.

Thunderstorm chances are forecast to increase again late this
week and into the weekend as a warm front, followed by another
cold front, moves through the region. It is too early to determine
whether any of these storms may become severe.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any hail, any wind gusts over
40 mph, flooding and rainfall totals greater than an inch.

LMZ521-522-541>543-152000-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
251 PM CDT Tue Jul 14 2020

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

Increasing south winds and building waves will result in conditions
hazardous to small craft into this evening.

Thunderstorms are expected through late this evening, posing a
hazard to mariners.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

The chance for thunderstorms will continue into Wednesday night
and return Friday into next weekend. Any storms that develop will
pose a hazard to boaters on the lake and bay.

Cooley/Bersch

In the hours before

Special weather statement, Jul 14, 4:45 PM CDT, 56 minutes before

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Special weather statement, Jul 14, 4:46 PM CDT, 55 minutes before

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Special weather statement, Jul 14, 5:06 PM CDT, 35 minutes before

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Special weather statement, Jul 14, 5:24 PM CDT, 17 minutes before

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Local storm report, Jul 14, 5:33 PM CDT, 8 minutes before

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Special weather statement, Jul 14, 5:41 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Green Bay WI
541 PM CDT Tue Jul 14 2020

WIZ010-011-018-019-142330-
Langlade WI-Oneida WI-Forest WI-Lincoln WI-
541 PM CDT Tue Jul 14 2020

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL FOREST...
NORTHEASTERN LINCOLN...EASTERN ONEIDA AND NORTHWESTERN LANGLADE
COUNTIES UNTIL 630 PM CDT...

At 540 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles east of Crystal Lake Scout Reservation
to 8 miles southeast of Rhinelander to near Harrison. Movement was
southeast at 10 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Rhinelander, Crandon, Tomahawk, Newbold, Harrison, Woodboro, Parrish,
Gilbert, Crystal Lake Scout Reservation and Bradley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4571 8877 4542 8901 4524 8940 4550 8993
      4567 8961 4586 8939
TIME...MOT...LOC 2240Z 296DEG 10KT 4570 8920 4554 8933 4543 8955

Kurimski

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 3:02 AM CDT	Special Weather Statement	GRB	Lincoln, Oneida, Vilas	88 min
Jul 14, 3:19 AM CDT	Small Craft Advisory	GRB		21 hr
Jul 14, 3:33 AM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	20 hr
Jul 14, 4:37 AM CDT	Special Weather Statement	GRB	Forest, Lincoln, Marathon	38 min
Jul 14, 5:26 AM CDT	Special Weather Statement	GRB	Lincoln	49 min
Jul 14, 6:50 AM CDT	Special Weather Statement	GRB	Menominee, Portage	40 min
Jul 14, 9:45 AM CDT	Special Weather Statement	GRB	Marathon	45 min
Jul 14, 10:30 AM CDT	Special Weather Statement	GRB	Lincoln	60 min
Jul 14, 11:28 AM CDT	Special Weather Statement	GRB	Lincoln, Marathon	62 min
Jul 14, 11:41 AM CDT	Areal Flood Advisory	GRB	Lincoln, Marathon	3 hr
Jul 14, 12:25 PM CDT	Special Weather Statement	GRB	Langlade, Marathon, Shawano	50 min
Jul 14, 12:55 PM CDT	Special Weather Statement	GRB	Marinette, Menominee, Oconto, Shawano	50 min
Jul 14, 1:36 PM CDT	Special Weather Statement	GRB	Marinette, Oconto, Shawano	39 min
Jul 14, 2:12 PM CDT	Special Weather Statement	GRB	Door	63 min
Jul 14, 4:45 PM CDT	Special Weather Statement	GRB	Oneida	45 min
Jul 14, 4:46 PM CDT	Special Weather Statement	GRB	Marathon	59 min
Jul 14, 5:06 PM CDT	Special Weather Statement	GRB	Lincoln, Oneida	39 min
Jul 14, 5:24 PM CDT	Special Weather Statement	GRB	Wood	51 min
Jul 14, 6:04 PM CDT	Special Weather Statement	GRB	Marathon, Wood	41 min
Jul 14, 6:46 PM CDT	Special Weather Statement	GRB	Portage, Wood	44 min

Nearby

Special Weather Statements in Wisconsin, 2020 Every special weather statement in 2020

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.