Area Forecast Discussion
Issued by NWS Sacramento, CA

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FXUS66 KSTO 232220
AFDSTO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
220 PM PST Sun Nov 23 2014

.Synopsis...
High pressure over the Eastern Pacific Ocean will begin to strengthen
today and then move into the West Coast Monday and Tuesday. Mild
weather expected for much of the week with above normal temperatures.
Rain will likely return to the region by next weekend.

&&

.Discussion...
Mid to high level clouds are spilling over a flat ridge of high
pressure. The clouds are expected to start to thin during the
overnight hours for the southern areas.

High pressure ridge will amplify Monday through Wednesday and
temperatures will warm a little each day through mid week. Some
high clouds are expected to drift through the region the next
several days. Some patches of fog mainly south of Marysville and
in some mountain valleys may occur each of the next couple of
mornings but overall the northerly dry flow should help to
reduce the amount of fog each successive morning. The best chance
of fog will be in the San Joaquin valley.


.Extended Discussion (Thursday through Sunday)

Models similar in weakening upper ridge and shifting axis into the
Great Basin Thursday but 12z EC spreading some upstream WAA
precip into Shasta county Thursday while the 12z GFS keeps the
precip farther west. Differences in timing and strength continues
Friday into Saturday as guidance spreads varying amount of QPF over
the forecast area. Precip looks to continue Sunday as another,
stronger and colder system, forecast to impact NorCal.

&&

.Aviation...

NW-Nly flow alf as upr rdg blds off the W Cst. Mnly VFR ovr Intr
NorCal nxt 24 hrs exc lcl MVFR/IFR and isold LIFR poss in vly fog
btwn 08z-18z Mon. Lcl Nly sfc wnd gsts to 25 kts poss thru favrd
cnyns and omtns tngt into Mon mrng.


&&

.STO Watches/Warnings/Advisories...
None.
&&

$$







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