SPOT WEATHE FORECAST

12/19/2008 Weather Discussion: This cold dry weather will stick around for 2 more days. A strong winter storm tracking toward the PNW will bring warmer temperatures and snow late Saturday night and Sunday. This system is complex on many levels so confidence in the details is low at this point. Long-term models show snow Sunday and Monday, then dry for a few days with another storm developing for the second part of the week. Forecast from Friday 4pm to Saturday 4am Precipitation 0 in. Water 0 in. Snow Temperatures Low 0 High 12 Winds 0-5 SE Forecast for Saturday 4am to 4pm Precipitation Lt .10 in. Water Trace in. Snow Temperatures Low -4 High 10 Winds 10-20 E Gust 20+ TRENDS AND TIMING Precipitation: The air mass will remain dry through most of tomorrow. The warm front approaching is currently expected to hit the mountains after 7pm tomorrow evening. An early estimate of storm total are around 8-12” by Monday morning Freezing levels: Freezing levels will remain below sea level until tomorrow night. Negative single digits lows are expected tonight. Freezing levels will then trend up to 3000’ by Sunday morning. Winds: A strong east /west gradient will develop tomorrow afternoon producing very strong east winds. Sustained winds of 20 -30mph with gust to 50 will be possible tomorrow night.