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
- Major holiday travel impacts from periods of heavy rain, thunderstorms, heavy mountain snow, and gusty winds through Friday. - Heavy snow is expected today and Thursday, with snowfall rates of 1-2" per hour at times.
- Periods of heavy rainfall are anticipated across the Valley and lower foothills with additional flood impacts possible through Friday. - Strong southerly winds are expected later this evening and through Thursday, with wind gusts of 40-60mph.
..Saturday and onward
Lingering Minor impacts within the mountains are expected on Saturday as lingering snow and gusty winds continue to impact travel. However, by Sunday chances for precipitation dwindle and conditions dry out for the region. Long range guidance has picked up on dry conditions continuing thorough the early portions of next week and potentially into the New Year. There will also be chance for low stratus to redevelop across the Valley early next week bringing low ceilings and visibilities at times.
AVIATION
MVFR/VFR conditions through 00-03z turning IFR/MVFR as moderate to heavy precipitation moves through bringing low visibilities, chances for thunderstorms, and strong winds. Wind gusts reach 35-45kts for each site around 04-06z and continues through the end of the TAF period. LLWS during this time as well of 45-50kts. Snow levels will continue to drop through the TAF period toward 4500-5500 feet in the Sierra and 3500-4500 feet in the Coastal range and southern Cascades.
STO WATCHES/WARNINGS/ADVISORIES
Flood Watch through Friday afternoon for Carquinez Strait and Delta-Central Sacramento Valley-Motherlode-Mountains Southwestern Shasta County to Western Colusa County-Northeast Foothills/Sacramento Valley-Northern Sacramento Valley-Northern San Joaquin Valley-Shasta Lake Area / Northern Shasta County- Southern Sacramento Valley.
Winter Storm Warning until 10 PM PST Friday for Burney Basin / Eastern Shasta County-Mountains Southwestern Shasta County to Western Colusa County-Shasta Lake Area / Northern Shasta County- West Slope Northern Sierra Nevada-Western Plumas County/Lassen Park.
High Wind Warning until 4 PM PST Thursday for Carquinez Strait and Delta-Central Sacramento Valley-Motherlode-Northeast Foothills/Sacramento Valley-Northern Sacramento Valley-Northern San Joaquin Valley-Southern Sacramento Valley.
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