Special Weather Statement
Issued by NWS Portland, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1
000
WWUS86 KPQR 260529
SPSPQR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORTLAND OR
929 PM PST THU DEC 25 2014

ORZ011-013-WAZ019-262330-
NORTHERN OREGON CASCADES-CASCADES IN LANE COUNTY-
SOUTH WASHINGTON CASCADES-
INCLUDING THE CITIES OF...GOVERNMENT CAMP...DETROIT...
SANTIAM PASS...MCKENZIE PASS...MCKENZIE BRIDGE...OAKRIDGE...
WILLAMETTE PASS...COLDWATER RIDGE VISITORS CENTER...
MOUNT ST. HELENS...WIND RIVER VALLEY
929 PM PST THU DEC 25 2014

...PERIODS OF MODERATE TO HEAVY SNOW TO POTENTIALLY IMPACT
HOLIDAY RETURN TRAVEL OVER THE CASCADES...

A MODERATELY STRONG SYSTEM WILL DROP SOUTH ALONG THE BRITISH
COLUMBIA COAST EARLY SATURDAY BEFORE SLIDING INLAND SUNDAY THROUGH
MONDAY MORNING. CONFIDENCE CONTINUES TO INCREASE THAT ACCUMULATING
SNOW WILL DEVELOP FIRST OVER THE SOUTH WASHINGTON CASCADES BY LATE
SATURDAY MORNING AND NORTH OF MOUNT JEFFERSON BY SATURDAY
AFTERNOON. SNOW THEN BEGINS FROM MOUNT JEFFERSON AND SOUTH BY EARLY
SATURDAY EVENING.

PERIODS OF MODERATE TO HEAVY ACCUMULATION APPEAR PRIMED TO AFFECT
THOSE PLANNING TRAVEL SATURDAY EVENING THROUGH AT LEAST SUNDAY
MORNING. HEAVIEST SNOWS WILL FALL NORTH OF MOUNT JEFFERSON DURING
THE 18 HOUR PERIOD OF SATURDAY AFTERNOON THROUGH EARLY SUNDAY
MORNING. THE MOST EXTREME MODEL SOLUTION BRINGS 12 TO 15 INCHES
OF SNOW ABOVE 3000 FEET. THAT SAME MODEL BRINGS 8 TO 13 INCHES
FOR AREAS NEAR MOUNT JEFFERSON AND SOUTH TO WILLAMETTE PASS.

FOR THOSE PLANNING TRAVEL LATER SUNDAY MORNING THROUGH EARLY
MONDAY...SEVERAL MORE INCHES OF SNOW MAY FALL WITH ACCUMULATIONS
DOWN TO THE 2500 FOOT LEVEL AND FURTHER IMPACTING SNOW CLEARING
EFFORTS.

CONFIDENCE IN THE ABOVE HIGHER SNOW AMOUNTS IS LOW TO MODERATE AT
BEST WITH THE MAJORITY OF MODELS INDICATING MODESTLY LOWER TOTALS.
REGARDLESS...IT APPEARS AT LEAST MODERATE SNOW WILL FALL OVER THE
CASCADES THIS WEEKEND. TRAVELERS ARE ENCOURAGED TO BEGIN PLANNING
FOR LOWER ELEVATION TRAVEL THROUGH THE COLUMBIA GORGE TO AVOID
POTENTIAL HAZARDS AND DELAYS.

$$

JBONK



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.