Area Forecast Discussion
Issued by NWS Green Bay, WI

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FXUS63 KGRB 140853
AFDGRB

Area Forecast Discussion
National Weather Service Green Bay WI
353 AM CDT Sat Apr 14 2018

Updated headline coding is below. Complete discussion to follow a
little later this morning.

.DISCUSSION...
Issued at 348 AM CDT Sat Apr 14 2018

Ongoing heavy wintry precipitation forced an upgrade to a warning
for much of the forecast area around midnight. Will extend that
forward through the rest of the event for the current warning
area, adding in adjacent areas with (hopefully) appropriate
timing. There still looks to be a lull during the day, but will
need to handle that with the specifics of the grids and in the
text products.
&&

.AVIATION...for 06Z TAF Issuance
Issued at 1214 AM CDT Sat Apr 14 2018

A winter storm moving slowly across the Midwest will
produce gusty northeast winds and IFR conditions across all but
far northern Wisconsin tonight through early Saturday. Precipitation
will be mostly snow, but may be mixed with sleet and freezing rain
south of a Wisconsin Rapids to Green Bay line. Snow plows will be
needed in most areas, and blowing and drifting snow could be a
consideration. The precipitation should diminish by midday Saturday,
with MVFR or VFR conditions in the afternoon.

The storm system will get close enough to the region Saturday night
and Sunday to bring significant snow to most of Wisconsin. It could
be mixed with sleet or freezing rain across the east central portion
of the state. Plows will be need in many areas Saturday night and
Sunday. Gusty northeast winds could produce blowing and drifting
snow Saturday night and Sunday.
&&

.GRB WATCHES/WARNINGS/ADVISORIES...
Winter Storm Warning until midnight CDT Sunday night for
WIZ020>022-030-031-035>040-045-048-049-073-074.

Lakeshore Flood Warning until 1 PM CDT Sunday for WIZ022-039-040-
074.

Winter Weather Advisory until 7 PM CDT this evening for WIZ018-
019.

Winter Storm Warning from 7 PM this evening to midnight CDT
Sunday night for WIZ005-010-018-019.

Winter Storm Warning from 10 PM this evening to midnight CDT
Sunday night for WIZ011>013-050.

Winter Weather Advisory until 10 PM CDT this evening for WIZ050.

Lakeshore Flood Advisory until 1 PM CDT Sunday for WIZ050.
&&

$$

AVIATION.......RDM
DISCUSSION.....Skowronski



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