Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Sacramento California
415 am PDT Fri Aug 29 2014
dry weather to continue for the next week. Gradual cooling trend
through the weekend.
some high clouds beginning to move in from the Pacific early this
morning, otherwise clear skies. Marine layer holding around 1500
ft in depth with stratus extending inland into the western portion
of the Carquinez Strait. Surface pressure gradients are beginning
to trend increasingly onshore. Temperatures are running pretty
similar to 24 hours ago and range from the upper 40s in the colder
mountain valleys to the lower 70s at the north end of the
Strong high pressure that's been in place across the region will
begin to weaken today as a trough moves into the pacnw from the
Gulf of Alaska. For norcal, the effects will be limited to
cooling, initially mainly in the Delta breeze influenced regions
today, then spreading further inland Saturday as some synoptic
cooling from the trough develops.
Dry weather is expected into next week. High-level moisture from
the remnants of Marie will stream across norcal today before being
shunted south by the approaching trough.
Temperatures will be near to a little above normal.
VFR conditions next 24 hours over interior northern California.
Variable high clouds at times. Winds this morning less than 15
knots except southwest 15 to 20 knots gusts to 30 knots through
the Delta. Increased ridge winds 18z through 06z Saturday as upper
trough moves into the Pacific northwest with southwest gusts to 25
knots higher elevations.