SPOT WEATHER FORECAST

11/5/2009 Weather Discussion: The strong frontal system is still on track to bring moderate rain today and snow tomorrow. Long-term models show a steady stream of moisture pushed by cool NW flow will continue through the weekend. Storm totals through the weekend could exceed 2” of water – If the freezing levels cooperate that could mean +12-24” of snow by Monday. There is another storm tracking in for next week, which could bring the potential of more snow. 24 hour forecast starting at noon on Thursday Precipitation .75-1 in. Water 4-6 in. Snow Temperatures Low 30 High 40 Winds 0-10 SW 10-20 wsw TRENDS AND TIMING Precipitation: The rain should reach the mountains by noon or just after. Rain is expected to slowly turn to snow after midnight. Mixed rain and snow below 4500’ with snow for the upper mountain will be possible through most of tomorrow. Freezing levels: Freezing levels will drop to 4000’ after midnight as the cold front moves through. The Freezing levels will hover around 4k through tomorrow. Freezing levels are then expected to slowly fall to around 3000’ for the weekend. Winds: The current east flow will swing S then SW as the first waves moves through. A strong westerly push will accompany tonights cold front producing gusty ridge top winds. (850mb) Pass levels winds will be gusty at times but shouldn’t be too bad. jdm