Area Forecast Discussion
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FXUS66 KSTO 142237

Area Forecast Discussion
National Weather Service Sacramento CA
337 PM PDT Fri Sep 14 2018

Below average temperatures continue into next week. Patchy smoke
and haze will continue, mainly over Shasta County.


General dry trough pattern remains over the region into early
next week bringing continued below normal temperatures and dry
weather. Temperatures were cool this morning in the mountains and
mountain basins, the lowest of the season for many of them. Some
reached below friezing, in the upper 20s to lower 30s. Saturday
morning lows will also be cool, but aren`t expected to be quite as
low with breezier winds. A shortwave trough will pass through
Saturday bringing increasing winds to the mountains by afternoon,
gusting to around 35-40 mph over higher elevations. Afternoon
highs will generally be a little cooler than today with the
passage of the trough bringing a slightly cooler airmass.

High temperatures will remain below average into early next week
as the upper trough lingers, but will warm slightly inland Sunday
and Monday as heights/thickness rebound as the trough weakens.
Overnight lows will be chilly with patchy frost possible in the
mountain valleys. EK


Upper level trough will continue to keep high temperatures below
normal. Breezy afternoon and early evening winds are possible over the
Sierra. Precipitation is expected to remain north of the forecast
area. The trough shifts east of the state on Wednesday with upper
ridging filling in over the west coast. Onshore flow and cool
airmass will keep daytime highs well below normal.

Models are now leaning to a gradual ridge pattern late next week,
with temperatures warming to a little below normal levels.
Forecast remains dry through the remainder of the extended period.




Mainly VFR conditions the next 24 hours with scatttered to broken
mostly thin Cirrus. Local MVFR/IFR near wildfires. West wind
gusts 15-20 mph through the Delta. Locally breezy southwest wind
gusts 30 to 35 kts afternoon and evening hours over the Sierra on




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