AVALANCHE WATCH
Warning Issue Date: 1230 PM PST WED DEC 30 2009
AVALANCHE WATCH FOR THURSDAY AFTERNOON AND NIGHT...
A FRONTAL SYSTEM SHOULD CROSS THE NORTHWEST ON THURSDAY AFTERNOON
AND NIGHT. THIS SHOULD CAUSE INCREASING STRONG SOUTHWEST CREST LEVEL
WINDS AND INCREASING MODERATE TO HEAVY SNOW WITH A WARMING TREND.
THIS WEATHER SHOULD CAUSE INCREASING DENSE SNOW TO ACCUMULATE OVER
LOWER DENSITY LAYERS AND POTENTIAL PREVIOUS HOAR FROST. A HIGH
AVALANCHE DANGER AT HIGHER ELEVATIONS AND NATURAL AND HUMAN
TRIGGERED AVALANCHES SHOULD BECOME LIKELY THURSDAY AFTERNOON AND
NIGHT.
THIS STATEMENT WILL UPDATED AS WARRANTED. PLEASE VISIT WWW.NWAC.US
FOR DETAILS.
$$
BACKCOUNTRY TRAVELERS SHOULD BE AWARE THAT ELEVATION AND
GEOGRAPHIC DISTINCTIONS ARE APPROXIMATE AND THAT A TRANSITION
ZONE BETWEEN DANGERS EXISTS. REMEMBER THERE ARE AVALANCHE SAFE
AREAS IN THE MOUNTAINS DURING ALL LEVELS OF AVALANCHE DANGER.
CONTACT LOCAL AUTHORITIES IN YOUR AREA OF INTEREST FOR FURTHER
INFORMATION.
NWAC WEATHER DATA AND FORECASTS ARE ALSO AVAILABLE BY CALLING
206-526-6677 FOR WASHINGTON, 503-808-2400 FOR THE MT HOOD AREA OR BY
VISITING OUR WEB SITE AT WWW.NWAC.US.
FERBER/NORTHWEST WEATHER AND AVALANCHE CENTER
$$
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