Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS Green Bay, WI

October 12, 20167 counties in Wisconsin

NWS Green Bay, WI issued this special weather statement at Oct 12, 2016, 8:42 AM CDT for 7 counties in Wisconsin. It was in force for 78 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: Oct 12, 2016, 8:42 AM CDT (13:42 UTC)
Expired: Oct 12, 2016, 10:00 AM CDT
In force: 78 min
Issued by: NWS Green Bay, WI

Counties Brown County, WI, Calumet County, WI, Manitowoc County, WI, Menominee County, WI, Oconto County, WI, Outagamie County, WI, Shawano County, WI

The radar

The Green Bay radar (KGRB), 14 km from the middle of the area, began a volume at 13:43 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, 1.7 hours before the alert went out and 388 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: 1154 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 Oct 12, 6:53 AM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Oct 12, 6:53 AM CDT, 1 hour 49 minutes before

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Hazardous weather outlook, Oct 12, 3:33 AM CDT, 5 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
333 AM CDT WED OCT 12 2016

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-130845-
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-
333 AM CDT WED OCT 12 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST
WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

FROST OR FREEZE HEADLINES HAVE BEEN ISSUED FOR CENTRAL AND EAST-
CENTRAL WISCONSIN FOR LATE TONIGHT INTO EARLY THURSDAY MORNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A FROST OR FREEZE IS AGAIN POSSIBLE THURSDAY NIGHT.

THERE WILL BE A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY NIGHT...
AND AGAIN LATE SUNDAY NIGHT INTO MONDAY MORNING. AT THIS TIME...
IT APPEARS THAT NONE OF THESE STORMS WOULD BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

LMZ521-522-541>543-130845-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-
333 AM CDT WED OCT 12 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE
MICHIGAN AND THE WATERS OF GREEN BAY.

.DAY ONE...TODAY AND TONIGHT

GUSTY NORTHWEST WINDS ASSOCIATED WITH A FRONTAL SYSTEM MOVING
THROUGH THE REGION WILL RESULT IN CONDITIONS HAZARDOUS TO SMALL
CRAFT TODAY INTO TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SOUTH WINDS MAY RESULT IN CONDITIONS HAZARDOUS TO SMALL CRAFT ON
SATURDAY AND SATURDAY NIGHT.

KIECKBUSCH/KALLAS

In the hours before

Special weather statement, Oct 12, 8:42 AM 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
Oct 11, 7:49 PM CDT	Small Craft Advisory	GRB		32 hr
Oct 12, 4:46 AM CDT	Frost Advisory	GRB	Brown, Calumet, Kewaunee, Manitowoc, Marinette, Menominee and 6 more	28 hr
Oct 12, 4:46 AM CDT	Freeze Warning	GRB	Marathon, Portage, Wood	28 hr
Oct 12, 9:16 AM CDT	Special Weather Statement	GRB	Brown, Door, Kewaunee, Manitowoc	74 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.