AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEDFORD OR 745 PM PST TUE FEB 14 2012

.AVIATION...A COLD FRONT IS CURRENTLY PUSHING THROUGH THE FORECAST AREA. OVERNIGHT...FREEZING LEVELS CURRENTLY AROUND 4500 FEET WILL DROP BY 3000 FEET OR SO BEHIND THE FRONT. ICING WILL IMPACT MOST OF OREGON THROUGH WEDNESDAY MORNING. MOUNTAIN OBSCURATION IS ALSO LIKELY THROUGH WEDNESDAY MORNING. ADDITIONALLY...NORTHWEST WINDS CROSSING THE HIGHER TERRAIN WILL CAUSE TURBULENCE THROUGH TONIGHT. CONTINUED INSTABILITY OVERNIGHT SHOULD PREVENT WIDESPREAD FOG IN WEST SIDE VALLEYS...FAVORING LIFR CEILING FORMATION INSTEAD. THESE LOW CEILINGS WILL CLEAR LATE WEDNESDAY MORNING. CEILINGS WILL LIKELY LIFT ALONG THE IMMEDIATE COAST THIS EVENING...WITH SOME SCATTERED CLOUDS OVERNIGHT. THE EAST SIDE WILL SEE A BRIEF PERIOD OF SNOW SHOWERS AND REDUCED VISIBILITY TONIGHT WITH VFR CONDITIONS LIKELY LATE TONIGHT. WEDNESDAY AFTERNOON WILL FEATURE IMPROVED FLYING CONDITIONS WITH VFR CONDITIONS EVERYWHERE AND PARTLY TO MOSTLY SUNNY SKIES. /NSK

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