Area Forecast Discussion
Issued by NWS Sacramento, CA

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976
FXUS66 KSTO 242231
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
331 PM PDT Mon Apr 24 2017

.SYNOPSIS...
Weak weather systems will bring light precipitation through
Wednesday. Gusty north winds likely to develop Friday.

&&

.DISCUSSION...
A weak weather system is currently skirting across the far
northern portions of California. A few light showers have been
detected by radar through the course of the day. The HRRR model is
showing some modest instability toward the Northern/Central
Sacramento Valley this afternoon and tonight, so have included
slight chance wording for thunderstorms there. Snow levels are
projected to fluctuate between 5000 and 7000 feet through tonight,
with a few inches of snow accumulation possible over the higher
elevations.

Additional weak weather systems are forecast to move through the
region on Tuesday, and again on Wednesday. Both of these will
again bring only precipitation totals to the region. Snow levels
will also be a fair bit higher, so little to no impact expected to
the mountains.

Breezy north winds along with warming and drying conditions
commence Thursday.

Dang

$$

.EXTENDED DISCUSSION (Friday THROUGH Monday)


Dry northerly flow expected over the weekend as an upper ridge
builds inland over interior NorCal. This will lead to dry
conditions and temperatures trending upward across the forecast
area. Daytime highs could be around 5-8 degrees above normal this
weekend, with Valley temperatures reaching the lower 80s. Periods
of gusty northerly winds are expected Friday into Saturday as
pressure gradient tightens, with 35-45 mph gusts in the Valley.


&&

.AVIATION...


Local MVFR/IFR conditions possible with isolated LIFR in shower
activity this evening. Isolated thunderstorms possible through 06z
Tuesday from KRDD southward to near KOVE. Improving conditions
expected overnight as shower activity ends. Gusty winds will be
decreasing this evening, with additional gusts up to 20 kts mainly
south of KSAC after 18z Tuesday.


&&

.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$



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