09 Nov SAN JUAN MOUNTAIN WEATHER: NEW WINTER STORM
The first storm of the season has entered the San Juan mountains with 4″ overnight on RMP. Western Colorado will see rain in the lower valley’s today and snow in the higher elevations, but the real meat of the storm won’t kick in until later tonight. This system should be with us through the weekend easing off on Sunday and then by mid-week another potential disturbance could bring more snow.
A low pressure trough moved down the west coast on Wednesday picking up moisture then traveled inland into the Great Basin yesterday. This trough is pushing into the San Juans on SW flow mixing with juicy Baja moisture and a cold front thrown in tonight. SW facing terrain above 11,000 feet could see upwards of two feet of snow with impressive snow rates of 1-3 inches/Hour encouraged by strong jet support over the front.
By Sunday the forecast area will be on the back side of the exiting long wave trough with very cold air temperatures (possible 20 degrees below normal) left behind. By Wednesday/Thursday the next system will arrive favoring the southern mountains but with little confidence of becoming a major snow producer.
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