POWDER FORECAST

1/29/2008 Weather Discussion: A strong NW jet stream will continue to drive winter storms into the PNW for the rest of the week. There wont’ be much of a break before another organized system hits tomorrow night. Temps will remain cool along with some gusty winds tonight. Long-term models show the northern jet stream holding its NW pattern through the weekend. There are some indications of warmer air invading by the weekend – we will have to keep an eye on that as the week progresses. In the mean time enjoy the epic powder. Forecast from Tuesday 4pm to Wednesday 4am Precipitation .75 -1 in. Water 8-14” in. Snow Temperatures Low 20 High 24 Winds 5-15 W gusty Forecast for Wednesday 4am to 4pm Precipitation .25 - .5 in. Water 4-6 in. Snow Temperatures Low 22 High 26 Winds 5-15 W gusty TRENDS AND TIMING Precipitation: Heavy snow will continue through the night. Storm totals will be measured in feet as a Puget Sound Convergence Zone develops this afternoon. Snow will lighten up after 4am tomorrow. The next systems ETA is after 4pm tomorrow. Freezing levels: Freezing levels will be between 1 and 2000’ for the next 24 hours. Surface temps should hold in the lower 20’s for the next 24 hours. Winds: Expecting a wind shift from east to west with the passage of today’s cold front. The potential for gusty convergence winds will grow through the afternoon and evening.