Area Forecast Discussion
Issued by NWS Spokane, WA

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FXUS66 KOTX 131744
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
944 AM PST Tue Nov 13 2018

.SYNOPSIS...
Areas of low clouds and fog along with cool temperatures will
continue through Thursday. A weak weather system may bring mixed
precipitation late tonight and Wednesday morning. Unsettled
conditions with mainly mountain showers will continue through
Friday before a cold front from Canada dries out and cools down
the region for next weekend.

&&

.DISCUSSION...
Rest of today...Cool...dry and largely benign conditions (except
for local fog and low clouds) are expected for the rest of the
day across the region. Fog and low clouds are slowly eroding in
the basin from northeast to west...although stubborn patches will
be slow to break over the deeper basin from Wenatchee to Moses
Lake to La Crosse with the prevailing weak gradient winds sloshing
the deepest low level stagnant air into these locations. The
protected northern valleys including the deeper canyons of the
Columbia River valley will also take their time breaking out
today...but with a high cloud shield aloft slowly migrating out of
the region expected sunshine behind this shield will begin to work
on eroding fog areas from the edges through the afternoon. Minor
updates have been made to tweak this potential otherwise no
changes to the inherited forecast. /Fugazzi

&&

.AVIATION...
18Z: A stable upper level rideg resides over the forecast area
with an axis of surface high pressure over Idaho providing a weak
easterly gradient across the region. This gradient has and will
continue to keep KPUW and KLWS dry and VFR through the next 24
hours. However...these winds will tend to pool deeper boundary
layer stagnant and moist air over the KEAT and KMWH TAF sites
through early afternoon with IFR conditions persisting until
sunshine following a shield of cirrus begins to evaporate most of
the stratus in these lower elevation locations. Slow improvement
through the afternoon is expected. The KGEG/KSFF and KCOE TAF
sites have cleared out and will probably remain VFR through
tonight with increasing clouds from the next incoming wave
probably preventing widespread return of fog and stratus overnight
tonight. /MJF


&&

.PRELIMINARY POINT TEMPS/POPS...
Spokane        36  32  43  34  46  35 /   0  10  20  10  10  30
Coeur d`Alene  39  32  44  34  46  36 /   0  10  30  20  20  40
Pullman        47  33  50  36  51  37 /   0   0  20  10  10  30
Lewiston       48  34  53  39  55  41 /   0   0  10  10  10  20
Colville       39  31  39  31  44  33 /   0  30  20  30  30  40
Sandpoint      38  31  41  32  43  34 /   0  20  40  20  40  60
Kellogg        39  33  43  34  44  35 /   0  10  40  30  30  60
Moses Lake     36  28  45  31  51  33 /   0  10  10  10  10  10
Wenatchee      34  32  46  36  51  38 /   0  20  30  20  10  20
Omak           39  30  45  32  48  33 /   0  30  20  10  10  20

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...None.
WA...None.

&&

$$


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