THE WEATHER FOR TUESDAY

12/18/2007 Weather Discussion: The PNW snow machine will continue for the next few days as storms continue to track through the mountains. Expecting a jump in temps this afternoon. Windy and snowy tomorrow. Long-term models show a possible break in the unsettled weather by Thursday or Friday as a high-pressure ridge develops. Another storm track seems to be setting up to bring us more wintery weather for the weekend. Forecast from Tuesday 4pm through Wednesday 4am Precipitation .5-.75 in. Water 8-10 in. Snow Temperatures Low 25 High 34 Winds 10-15 W Forecast for Wednesday 4am to 4pm Precipitation .75-1 in. Water 8-14 in. Snow Temperatures Low 24 High 30 Winds 5-10 SW TRENDS AND TIMING Precipitation: Steady moderate snow should continue through the night. Could see some heavy wet snow with a little rain mixed in there at the pass level this afternoon. Should turn back to all snow after 7pm tonight. A period of moderate to heavy snow expected tomorrow morning after 4am as another front pushes through the mountains. Snow expected to taper off on Thursday. Freezing levels: There is a spike in freezing levels indicated that could raise freezing levels to near or above pass level after noon today. Freezing levels should begin to fall back below pass level by 7pm tonight and hover near the 3500’ mark until Thursday when it will drop some more. Winds: The east flow will give way to a westerly flow overnight. Models are showing a strong westerly push around 10pm tonight with gust around 40+mph. Could be a windy day tomorrow.