April 8, 2017

MOUNTAIN WEATHER FORECAST

Time and Day: 0630 Saturday

The Snapshot:   Light snow is falling this morning with an inch of new to play on.   Snow today with drying late tonight and tomorrow.  More of the same mixed bag of weather next week.

The Science:   Temperatures cooled off nicely overnight with the temperature dropping to around 21f on the upper mountain.  This morning’s satellite imagery has isolated snow showers along the cascade crest, clear skies to the east and more moisture to the west rotating around a parent low.  As the low-pressure cell makes its way north, the flow will shift westerly which will allow some orographic snow showers to move into the mountains.   Hopefully, we will squeeze a few more inches of snow out of these passing showers before it tapers off tonight.  A high pressure ridge develops tonight which will cut off the moisture and begin to break up the clouds for a partly sunny and mostly dry day tomorrow.

The Long Range:   Next week will start out with another light rain and snow event with Tuesday trending dry and rain showers expected on Wednesday/Thursday.  Freezing levels (temperatures) through the week will be seasonal average +-5000’.   

24hr Precipitation ending at 4am:
Today 24hr water = .5 snow = 2-5
Tomorrow’s 24hr water = .10  snow = trace

Trend and Timing:
Snow showers today with some moderate periods possible.


24hr temperature ending at 4 am: 
Low:  22   High: 32
Freezing level: 3500’

Trend and Timing:   
The temperature will rebound to near freezing today but drop with the aid of clearing early tomorrow morning.   We could see a nice melt freeze cycle over the next +-4 days.

 
24hr Winds (mph) ending at 4am:
Base: 0-10 WSW
Ridge Top: 5-15 WSW

Trend and Timing:
Winds will slowly shift westerly though the day.  Watch for periods of gusty ridge top winds today as well.



jM

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