textproduct: Sacramento
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Widespread rain, gusty winds, isolated thunderstorms,and substantial mountain and foothills snow expected throughout the week.
- Major travel impacts in the mountains and foothills with light snowfall accumulations possible below 1000 feet in Shasta County on Wednesday and Thursday mornings. - Potential for active weather to continue into next weekend.
..Next Weekend
While the aforementioned system currently impacting the region is expected to trail off as it pushes eastward, ensemble guidance is beginning to indicate a separate trough digging southward from the Gulf of Alaska by the weekend. Exact timing and resultant details remain highly uncertain, but there is increasing potential at this time for additional periods of active weather to continue through the weekend and into early next week.
AVIATION
MVFR/IFR conditions expected in areas of -RA/RA and possible TSRA at TAF sites through 03z Tuesday followed by a brief break in precipitation and a return to generally VFR conditions overnight. Highest chances for TSRA expected between 22z and 03z Tuesday. Additional MVFR/IFR in precipitation then expected to spread through the region after 10z Tuesday. Breezy winds with variable direction up to 11 kts through 00z become predominantly south winds after 03z with an expected increase in wind/wind gusts moving toward 12z Tuesday.
IFR/LIFR conditions in SN/+SN expected across the mountains today followed by a brief break overnight after 06z Tuesday with similar conditions returning by 12z Tuesday. Snow levels around 3500-4500 feet begin falling to 2500-3500 feet after 06z Tuesday. West- southwest winds remain gusty through the forecast period with surface wind gusts up to 40 kts at times.
STO WATCHES/WARNINGS/ADVISORIES
Winter Storm Warning until 10 PM PST Thursday for Burney Basin / Eastern Shasta County-Motherlode-Mountains Southwestern Shasta County to Western Colusa County-Northeast Foothills/Sacramento Valley-Northern Sacramento Valley-Shasta Lake Area / Northern Shasta County-West Slope Northern Sierra Nevada-Western Plumas County/Lassen Park.
Wind Advisory until 10 PM PST Thursday for Central Sacramento Valley-Northern Sacramento Valley-Southern Sacramento Valley.
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