11/8/2012 Mountain Weather Forecast

24hr Short-term Discussion:
A cool, unstable air mass dropping down from Canada will bring light snow showers and dropping freezing levels to the Cascade Mountains tonight and tomorrow.

2-4 Day Long-term Outlook:
Other than an isolated snow shower or two, Friday and Saturday will be mostly dry under weak high pressure. The next frontal system for a possible snow producer will enter the PNW sometime late Sunday or early Monday morning.

24hr Accumulative Precipitation Totals Starting at Noon Today:
“Water by midnight= 0
“Of additional water by 4am= >.10
“Of additional water by 12pm= .10

24hr (12pm-12pm) total “of water =>.25

24hr (12pm-12pm) Snow Total= 0-2

Trend and Timing:
Light passing snow showers will continue for the next few days. It may be possible to squeeze a few inches out of these snow showers, but, they will have minor moisture content.
Base Area Temperatures (F):
Low: 28 High: 38
Freezing level: 3500’ 2000’

Trend and Timing:
Temperatures will continue to fall through the next 12-36hrs as cold air fills in the eastern basin.

Winds Speed (mph)/Direction
Base: 0-5 ENE
Ridge Top: 0-10 NE

Trend and Timing:
Light NE flow will continue to move through the pass throughout the rest of the week.