Sunday, February 12, 2017

NWS: Next round of rain, snow set to begin Wednesday


From the National Weather Service:
Dry weather returns to NorCal and will continue through Tuesday. Patchy fog possible in the overnight and early morning hours. Keep in mind that river and stream levels are still elevated, and that soils are still saturated which could cause additional downed trees or landslides. Use this period to assess damages, clean-up ahead of next storms. Confidence increasing that another atmospheric river will arrive on by Wednesday night-Thursday with precipitation continuing into next weekend. Snow levels expected to go below pass levels to impact mountain travel.

Impacts
Water levels still rising on some mainstem rivers and local creeks
Flooding issues linger; additional landslides and downed trees possible
Renewed flooding concerns for mid-late next week

Forecast Confidence
High for dry pattern through Tuesday
High for return of wet pattern mid-late week, low for details

Timing and Strength
Dry weather through Tuesday
Rivers expected to crest within next few days but water levels will be slow to recede
Use this period to assess damages, clean-up ahead of next storms
Wet pattern returns Wednesday night - next weekend
Several wet storms look possible. Uncertainty in timing, strength, and precipitation amounts
Snow levels could be below passes, impacting mountain travel
Renewed flooding concerns

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