October 31, 2017

MOUNTAIN WEATHER FORECAST

Time and Day: 1000 Tuesday

The Snapshot:  Clouds will begin to move in today in response to the changing weather pattern.  Snow with cooler temperatures arrives tomorrow with snow showers persisting through Friday.     

The Science:   
Its 370f, with an RH of 52%, the barometer is at 1016mb and starting to fall, there are some gusty westerly winds blowing along the ridge tops this morning.

A low-pressure cell that has formed along the BC coastal range is expected to track south during the next few days.  This will push the high pressure that has been stationed over the PNW out to sea and allow cooler, unstable and moist air to move in.  A weak cold front is expected to move through mid-day tomorrow which will drop the temperature a few degrees and increase the shower activity.  

Storm totals by Saturday morning will be around +-8” of fairly dry and light snow.    

The Long Range: Snow showers stick around through Friday with weekend trending dry and cold.


24hr Precipitation ending at 4 am:
Today 24hr water: .10 snow: trace
Tomorrow’s 24hr water: .25  snow: 1-2

Trend and Timing:
Light mixed rain and snow begin early tomorrow morning with light showers persisting into Thursday.


24hr temperature ending at 4 am: 
Low: 32    High: 44
Freezing level: 7000’  4500’

Trend and Timing:   
Freezing levels will begin to drop early tomorrow morning with Pass level temperatures dropping below freezing by noon or so tomorrow.


 
24hr Winds (mph) ending at 4 am:
Base: 5-10 NW
Ridge Top: 10-20 WNW gusty

Trend and Timing:
Ridgetop winds will be strong and gusty tonight and begin to taper off tomorrow afternoon.



jM

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