Avalanche Warning
WAZ513-518-519-019-042-520-521-ORZ011-302000-
OLYMPICS-
WASHINGTON CASCADES-
MT HOOD AREA-
200 PM PDT TUESDAY MAR 29 2011
...AVALANCHE WARNING FOR EXTREME DANGER WEDNESDAY...
THE MAJOR WARM FRONT WITH MOISTURE OF TROPICAL ORIGINS SHOULD MOVE
TO THE NW TUESDAY NIGHT AND MOST OF WEDNESDAY. MOTHER NATURE IS
ABOUT TO APPLY MAJOR RAIN AND WARMING TO WHAT APPEARS TO BE A DEEP
LARGELY UNCONSOLIDATED WINTER SNOWPACK THAT HAS NOT EXPERIENCED
SIGNIFICANT RAIN OR WARMING. TOTAL SNOW DEPTHS ARE AT WINTER MAXES
YESTERDAY AND TODAY AT SEVERAL LOCATIONS IN THE CENTRAL AND SOUTH
CASCADES. THE CASCADES HAD 10-20 FEET OF SNOWFALL LATE FEBRUARY TO
LATE MARCH AND IT HAS REMAINED COOL SINCE. THE RAIN AND WARMING WILL
LOAD AND WEAKEN SURFACE AND UPPER SNOW PACK LAYERS AND SHOULD CAUSE
AVALANCHES ON WEDNESDAY. INITIAL SURFACE AVALANCHES MAY CAUSE
RELEASES TO LAYERS FROM EARLIER IN MARCH OR FEBRUARY OR EVEN
JANUARY. MODELS VARY BUT THESE CONDITIONS MAY LAST INTO THURSDAY AS
WELL. AVOID ALL AVALANCHE TERRAIN WEDNESDAY.
THIS STATEMENT WILL BE UPDATED AS CONDITIONS WARRANT. 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.
WAZ513-518-519-019-042-520-521-ORZ011-302000-
OLYMPICS-
WASHINGTON CASCADES-
MT HOOD AREA-
200 PM PDT TUESDAY MAR 29 2011
...AVALANCHE WARNING FOR EXTREME DANGER WEDNESDAY...
THE MAJOR WARM FRONT WITH MOISTURE OF TROPICAL ORIGINS SHOULD MOVE
TO THE NW TUESDAY NIGHT AND MOST OF WEDNESDAY. MOTHER NATURE IS
ABOUT TO APPLY MAJOR RAIN AND WARMING TO WHAT APPEARS TO BE A DEEP
LARGELY UNCONSOLIDATED WINTER SNOWPACK THAT HAS NOT EXPERIENCED
SIGNIFICANT RAIN OR WARMING. TOTAL SNOW DEPTHS ARE AT WINTER MAXES
YESTERDAY AND TODAY AT SEVERAL LOCATIONS IN THE CENTRAL AND SOUTH
CASCADES. THE CASCADES HAD 10-20 FEET OF SNOWFALL LATE FEBRUARY TO
LATE MARCH AND IT HAS REMAINED COOL SINCE. THE RAIN AND WARMING WILL
LOAD AND WEAKEN SURFACE AND UPPER SNOW PACK LAYERS AND SHOULD CAUSE
AVALANCHES ON WEDNESDAY. INITIAL SURFACE AVALANCHES MAY CAUSE
RELEASES TO LAYERS FROM EARLIER IN MARCH OR FEBRUARY OR EVEN
JANUARY. MODELS VARY BUT THESE CONDITIONS MAY LAST INTO THURSDAY AS
WELL. AVOID ALL AVALANCHE TERRAIN WEDNESDAY.
THIS STATEMENT WILL BE UPDATED AS CONDITIONS WARRANT. 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.
