One product issued by NWS for:
Special Weather Statement
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SEATTLE WA 407 PM PDT MON MAY 20 2013 WAZ513-518-519-211315- OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 407 PM PDT MON MAY 20 2013 ...A CHANGE TO COLD AND WET WEATHER IN THE MOUNTAINS STARTING TUESDAY AND CONTINUING THROUGH THE WEEK... COLD AIR WILL MOVE INTO WESTERN WASHINGTON MONDAY NIGHT AND TUESDAY. THE COLD AIR WILL REMAIN OVER THE AREA THROUGH THE END OF THE WEEK. THE SNOW LEVEL IN THE MOUNTAINS WILL DROP TO 4500 FEET TUESDAY AFTERNOON THEN DOWN TO 3500 FEET TUESDAY NIGHT AND WEDNESDAY. SNOW WILL ACCUMULATE AT TIMES AT HIGH ELEVATIONS TUESDAY AFTERNOON THROUGH WEDNESDAY OR THURSDAY. HIGHER HIGHWAY PASSES THAT HAVE OPENED FOR THE SUMMER...INCLUDING RAINY PASS AND CHINOOK PASS... WILL LIKELY GET A FEW TO SEVERAL INCHES OF SNOW. STEVENS AND WHITE PASSES COULD ALSO GET SOME SNOW. LITTLE OR NO SNOWFALL IS FORECAST FOR SNOQUALMIE PASS. HIKERS AND CLIMBERS MAY WANT TO POSTPONE ANY TRIPS INTO THE MOUNTAINS THIS WEEK...ESPECIALLY AT HIGHER ELEVATIONS. IF YOU GO...BE PREPARED FOR ACCUMULATING SNOW ABOVE 4000 FEET STARTING LATER TUESDAY AND CONTINUING THROUGH AT LEAST WEDNESDAY NIGHT. DRIVERS CROSSING THE CASCADES SHOULD CONSIDER USING ONE OF THE LOWER PASSES SUCH AS SNOQUALMIE PASS. ALLOW EXTRA TIME FOR MOUNTAIN JOURNEYS THIS WEEK. $$ BURKE NATIONAL WEATHER SERVICE SEATTLE $$