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NORTHERN OREGON CASCADES-CASCADES IN LANE COUNTY- SOUTH WASHINGTON CASCADES- INCLUDING THE CITIES OF...GOVERNMENT CAMP...DETROIT...
SANTIAM PASS...MCKENZIE BRIDGE...OAKRIDGE...WILLAMETTE PASS...
COLDWATER RIDGE VISITORS CENTER...MOUNT ST. HELENS

..SIGNIFICANT SNOWFALL OVER THE CASCADES IS EXPECTED FRIDAY AND SATURDAY...

A STRONG LOW PRESSURE SYSTEM WILL RAPIDLY STRENGTHEN INTO A POWERFUL STORM TODAY AND THURSDAY. WHILE THE CENTER OF THIS LOW PRESSURE SYSTEM IS EXPECTED TO REMAIN IN THE GULF OF ALASKA...IT WILL PUSH A STRONG COLD FRONT ONSHORE INTO THE PACIFIC NORTHWEST THURSDAY.

SNOW LEVELS WILL START OFF WELL ABOVE THE CASCADE PASSES EARLY THURSDAY...BUT ARE EXPECTED TO FALL QUICKLY AS THE FRONT MOVES ACROSS THE CASCADES THURSDAY EVENING. BY FRIDAY MORNING...
ACCUMULATING SNOW IS POSSIBLE AS LOW AS SOME OF THE CASCADE PASSES. WITH COOL UNSETTLED WEATHER EXPECTED TO CONTINUE FOR SEVERAL DAYS BEHIND THE FRONT...SNOW SHOWERS MAY CONTINUE THROUGH THE WEEKEND AS LOW AS 3000 TO 4000 FEET IN ELEVATION.

POTENTIAL SNOWFALL OF 2 TO 4 FEET ARE POSSIBLE AT AND ABOVE THE PASSES FRIDAY THROUGH SUNDAY...WITH THE HEAVIEST ACCUMULATIONS EXPECTED ABOVE THE PASSES.