SPOT WEATHER FORECAST

11/15/2009 Weather Discussion: A strong low-pressure system will park itself off the NW coast for the next few days. Warm air from the south will override cool air changing the snow to rain. Moderate to heavy rain is possible through Tuesday morning. Long-term models show NW flow continuing to bring active weather through the week. An overall cooling trend will bring more snow to the Pass starting on Tuesday. 24 hour forecast starting at noon on Sunday Precipitation “ Water: .5-1 “ of Snow: 3-6 Base area temperatures (F): Low: 30 High: 40+ Winds speed/Direction Pass level: 5- 10 SSW Ridge top: 5-15 SSW TRENDS AND TIMING Precipitation: Snow will change to rain today. Waves of moderate to heavy precipitation will move through the mountains for the next 24-36hrs. A lull in the action will occur overnight before the next significant wave hits tomorrow afternoon. Storm totals through Tuesday morning could exceed 2” of water. Unfortunately, this is going to be mostly rain. Freezing levels: Yo-yo is the word for the Freezing levels for the next 24-36hrs. Freezing levels will bounce between 4000 and 8000’ through Tuesday morning. But for the most part stay above Pass level. Winds: Gusty SW flow will dominate the wind pattern through most of this storm event. JDM