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Area forecast discussion 
National Weather Service Sacramento California
915 PM PST Wed Dec 24 2014

Synopsis...
dry weather and breezy winds are expected for Christmas day.
There is a slight chance of light showers across the northern
mountains Sunday...otherwise dry Friday through the middle of next
week. Cold morning temperatures with many temperatures below
freezing for the valley Saturday morning and by the middle of next
week. Patchy morning valley fog is possible Saturday and Sunday.

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Discussion...
system has pushed east and south of the northern interior. Skies
have mostly cleared and breezy northerly winds have picked up for
over the interior. Mainly clear skies and breezy north winds
on Christmas and cooler temperatures. Not expecting much in the
way of fog through the weekend other than maybe a few patches near
water ways in the central part of the valley this weekend. Main
thing moving forward will be the cold temperatures. Coldest this
year at night Saturday morning with sub-freezing temperatures
likely for most valley areas and single digits possible for some
of the colder mountains valleys.

A strong ridge will amplify off the West Coast into Canada and
an inside slider moves through the region Monday and Tuesday to
bring mainly snow chances to the mountains and low chances to the
valley. The system does not look like it will have much in the way
of precipitation but it will be followed by strong winds and a lot
of cold air advecting into the region from Canada. By the middle
of next week many valley locations could be cooling off at night
into the mid 20s to cause some agricultural concerns and warming
center considerations.

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Extended discussion (sunday through wednesday)

Extended models continue to show a very high amplitude ridge just
offshore the West Coast on Sunday. A shortwave will slide down the
eastern side of the ridge which may brush the mountains in far
norcal, but very little moisture is associated with that system so
little impact to our region. This ridge will continue to hug the
West Coast into next week maintaining a dry weather pattern for
norcal. The main impact this ridge will bring to our region are
breezy to strong northerly winds. Several pulses move through
norcal which will periodically enhance these winds. By Wednesday,
the ridge axis moves closer to the coast which will begin to weaken
winds. Jbb/jclapp

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Aviation...

VFR conditions with breezy north winds through Christmas with
gusts 20 to 30 kts.



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Sto watches/warnings/advisories...
none.
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