Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Sacramento California
345 am PDT Tue Sep 2 2014
cooling trend early this week with near normal daytime highs
Wednesday through Saturday. Dry weather continues.
clear skies across the region early this morning with lighter
northerly surface pressure gradients. Temperatures remain quite
mild across much of the region with readings warmer than 24 hours
ago except across the north end of the Sacramento Valley where
readings are significantly cooler due to the lighter winds.
Dry weather continues across the region this week as high pressure
gradually weakens. Temperatures will begin to cool today in the
Delta influenced areas as onshore flow begins to return while
inland areas will remain rather hot. A weak positive-tilt trough
is forecast to develop just offshore norcal by mid-week (the tail
end of the stronger short-wave presently dropping southeastward
through bc) and linger through the weekend. This will keep
temperatures close to normal for early September.
general VFR conditions with clear skies over the next 24 hours.
Local vsbys down to around 5 miles possible in smoke over north end
of SAC valley and along coastal range through around 18z. Then,
mixing and a shift to southerly winds expected to improve vsbys.
Local SW gusts to 25 kt possible over Sierra crest after 18z and
gusting up to 30 kt through the Delta. Ek