Area Forecast Discussion
Issued by NWS Green Bay, WI

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FXUS63 KGRB 250945
AFDGRB

Area Forecast Discussion
National Weather Service Green Bay WI
345 AM CST Sun Feb 25 2018

Forecast discussion for routine morning forecast issuance

.SHORT TERM...Today...Tonight...and Monday
Issued at 345 AM CST Sun Feb 25 2018

Low pressure was exiting northern Wisconsin at 09z
and taking most of the precipitation along with it. Scattered snow
showers will continue for a few more hours and then end. Will likely
drop the winter storm warning a bit early. Gusty west winds will
produce some blowing snow across central and northern Wisconsin
for awhile. Strongest wind gusts will be in the lakeshore counties
and Fox Valley where wind advisories are in effect. Temperatures
will fall for awhile this morning then become steady later this
afternoon.

Skies should clear across eastern Wisconsin this evening, but lack
of significant snow will keep temperatures from falling very much.
Fresh snow cover in central and northern Wisconsin could produce
some very cold temperatures if skies do clear and winds diminish.
Some subzero temperatures possible if that happens.

Monday should be mostly sunny and mild, with highs around 5 to 8
degrees above normal with light winds. A good day for most winter
sports.

.LONG TERM...Monday Night Through Saturday
Issued at 345 AM CST Sun Feb 25 2018

A mid level trough over the western CONUS at 00Z Tuesday will move
across the Plains, before reaching Wisconsin later in the week.
The mostly southwest upper flow should keep temperatures above
normal into next weekend, though a cooling trend is expected.
There is a chance for mainly rain in central and eastern
Wisconsin Tuesday night due to the proximity of a stationary front
to the southeast of the area. There may be a change to freezing
rain or snow as the precipitation ends but totals should be
minor.

As the trough moves into the Plains a surface low in the
Panhandle region will strengthen. This storm system is expected to
impact the forecast area starting Wednesday night. The 00Z GFS,
ECMWF and Canadian once again had differences in the strength and
path of the storm, so confidence level is precipitation type and
amount is low. Both the GFS and ECMWF showed significant moisture
with the system, and the ECMWF had colder air over the state so
there could be quite a bit of snow with the storm if it turns out
to be correct. Thursday looks to be windy as well as wet.

Precipitation should start to wind down late Thursday afternoon/evening
with the departure of the storm. After that, dry weather should
prevail through at least Saturday.
&&

.AVIATION...for 06Z TAF Issuance
Issued at 1018 PM CST Sat Feb 24 2018

IFR cigs and vsbys due to mixed precipitation will
continue to around 10z this morning then being to improve to MVFR
by daybreak as a cold front sweeps through. Conditions will
continue to improve to VFR Sunday morning, however strong west
surface winds of 20 to 30 knots will increase Sunday morning.
Higher gusts to 30 to 40 knots are expected over the Fox Cities
and toward Lake Michigan. Winds are expected to begin tapering off
later Sunday afternoon.
&&

.GRB WATCHES/WARNINGS/ADVISORIES...
Wind Advisory until 3 PM CST this afternoon for WIZ022-039-040-
048>050.

Winter Storm Warning until 6 AM CST early this morning for
WIZ005-010.
&&

$$

SHORT TERM.....RDM
LONG TERM......MG
AVIATION.......TDH



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