January 1, 2013

Mountain Weather Forecast -Time: 0915

Hello sunshine, not a bad way to start the New Year.
The morning sun is doing a nice job of burning off that pesky inversion layer hovering at the surface. Dry conditions will remain as high pressure dominates the weather pattern over the region.

Long-term: The blocking wall of high pressure will prevent any significant systems from entering the Cascade Mountains for the rest of the week. Warmer air filtering in from the west will also provide an overall warming trend.

There is a hint of some change beginning this weekend with models breaking down the high pressure. It is a bit far out to have much faith on what will happen, so stay tuned as those details unfold.

24hr Accumulative Precipitation Totals Starting at Noon Today:
Water by 4am = 0 Snow equivalent = 0

Total inches of water by noon tomorrow = 0
Total inches of snow by noon tomorrow = 0

Trend and Timing:
Dry and clear

24hr Base Area Temperatures (F) Starting at Noon Today:
Low: 20 High: 30
Freezing level: 3500’

Trend and Timing:
Warm air invading from the west strengthened the temperature inversion that developed yesterday. This convection will trap cold air east of the crest while freezing levels climb well above 4000’ to the west. South facing slopes could see the surface temperatures rise to near or above freezing due to good solar influence.


24hr Winds Speed (mph)/Direction Starting at Noon Today:
Base: 0-5 E
Ridge Top: 0-10 E

Trend and Timing:
East winds will remain light for the next few days.



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