Friday, January 15, 2016

'Parade of storms' aimed at Northern California

The raindrops and snowflakes just keep coming. From the National Weather Service:
Parade of Storms Impacting Northern California


Urban/street flooding from clogged storm drains/culverts
Travel delays mountains, snow levels 5000 rising to above 7000 feet
Debris flow possible over Lake County burn scars

Forecast Confidence

High for rain and mountain snow
Medium for burn scar flooding
Medium for exact timing and precipitation amounts of each system

Timing and Strength
Light snow above 5000 feet after midnight...snow levels rising to above 6500 Saturday morning...accumulations 2-5 inches
Sunday - Monday
High snow levels above 6500 ft...accumulations 4-8 inches up to pass level, a foot over peaks
Hazardous travel over highest elevations
Heaviest precipitation Sunday...especially for Lake County burn scars.
Next week - Wet weather likely, but timing details still uncertain

Weather Summary
After a brief break in the wet pattern today, a weak Pacific system will move through NorCal Tonight and Saturday with only light rain/snow. A much stronger system will move in Sunday with heavy rain especially over Lake County, where burn scar flooding is possible and a Flash Flood Watch has been issued for Sunday morning through Monday morning. Most of the accumulating snow with this system will be 7000 feet and above. Numerous weather systems are expected next week, but the details are uncertain. Stay tuned for further updates.

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