NATIONAL WEATHER SERVICE FORECAST DISCUSSION
Area Forecast Discussion
Issued by The National Weather Service
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000
FXUS66 KSTO 171000
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
300 AM PDT Mon Sep 17 2018

.SYNOPSIS...
Below average temperatures continue early this week, then warmer
weather returns for the second half of the week. Patchy smoke and
haze will continue, mainly over Shasta County.

&&

.DISCUSSION...
Clear skies and mostly light winds across the region early this
morning. Current temperatures are mainly a little milder compared
to 24 hours ago and range from the 30s in the mountain valleys to
the 50s to lower 60s across the Central Valley.

The weak upper trough will linger early this week maintaining
slightly below average temperatures. Ridging from the eastern
Pacific is forecast to build into the region by mid-week resulting
in warmer temperatures along with turning flow to the north.
Portions of the Central Valley will see highs return into the
lower to mid 90s Wednesday and Thursday.

&&

.EXTENDED DISCUSSION (Friday THROUGH Monday)
Stable flow aloft gives way to a disturbance towards the weekend
into early next week. Near normal temperatures Friday, but
temperatures will drop to the cooler side of normal as cooler air
associated with the upper disturbance moves into Norcal this
coming weekend. Precipitation for the Coastal mountains cannot be
ruled out at this time, but chances are looking slim at this time.

&&

.AVIATION...
VFR conditions the next 24 hours except for local MVFR/IFR near
the Delta fire. Gusts to 20 kts through the Delta. Otherwise,
expect winds generally below 10 knots.

&&

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

&&

$$
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