3/20/08 WEATHER

3/20/2008 Weather Discussion: We can expect some snow and wind overnight with a drying trend setting in tomorrow. The weekend looks dry and warm with a cool wet system coming in late Sunday. Long-term models show the northern jet continuing its trek through the PNW through most of next week. A low pressure system in the Gulf of Alaska will spin winter storms into the PNW bringing a cold and wet week ahead. Should be great riding/skiing. Forecast from Thursday 4pm to Friday 4am Precipitation .5 in. Water 4-6 in. Snow Temperatures Low 24 High 32 Winds 5-15 SW gust 20+ Forecast for Friday 4am to 4pm Precipitation Lt .25 in. Water 1-3 in. Snow Temperatures Low 22 High 30 Winds 5-10 W tapering TRENDS AND TIMING Precipitation: Mountain snow showers will persist through the day. Snow will intensify for a short period overnight. High pressure aloft will quickly build tomorrow ending the precipitation by noon. Snow totals could bump up a bit due to a possible convergence period early tomorrow morning. Freezing levels: Freezing levels will remain unseasonable low through the weekend. Freezing levels are expected to dip to 2000’ by early tomorrow morning. Expecting a pretty warm day on Saturday with sun and freezing levels reaching 4000’. Cooling for Sunday and beyond. Winds: A cold front will bring a period of high westerly winds tomorrow morning between midnight and 7am. Winds should taper quickly in conjunction with the building high pressure. All should be good by noon. jdm