WINTER WEATHER ADVISORY
Warning Issue Date: 333 PM PST THU DEC 31 2009
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST FRIDAY...
...WINTER STORM WARNING IN EFFECT FROM 6 AM FRIDAY TO NOON PST
SATURDAY...
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO
NOON PST SATURDAY. THE WINTER WEATHER ADVISORY IS NOW IN EFFECT
UNTIL 6 AM PST FRIDAY.
* EXPECT 4 TO 8 INCHES OF SNOW TONIGHT AHEAD OF A WARM FRONT THIS
EVENING. A RELATIVE LULL IN THE SNOW IS EXPECTED FROM MIDNIGHT
TONIGHT THROUGH EARLY FRIDAY MORNING BEFORE SNOW INCREASES AGAIN
DURING THE DAY FRIDAY.
* SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED TONIGHT.
HEAVY ACCUMULATIONS OF 2 TO 3 FEET ARE EXPECTED FRIDAY THROUGH
SATURDAY MORNING.
* SNOW LEVELS AROUND 3000 FEET EARLY THIS EVENING WILL RISE TO
4500 FEET DURING THE EVENING HOURS. SNOW LEVELS WILL FALL TO
4000 FEET FRIDAY MORNING AND 3500 FEET FRIDAY NIGHT AND
SATURDAY.
* AVALANCHE DANGERS ALSO EXIST. BACKCOUNTRY TRAVELERS SHOULD
REFER TO THE LATEST AVALANCHE FORECAST FROM THE NORTHWEST
WEATHER AND AVALANCHE CENTER FOR DETAILS AT NWAC.US.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
$$
AVALANCHE WARNING
Warning Issue Date: 915 AM PST THU DEC 31 2009
AVALANCHE WARNING FOR THURSDAY AFTERNOON THROUGH FRIDAY MORNING...
A STRONG FRONT SPREADING NORTHWARD ACROSS THE MT HOOD AREA THURSDAY
MORNING WILL REACH THE NORTH CASCADES AND OLYMPICS THURSDAY
AFTERNOON. THIS FRONT WILL BRING HEAVY SNOW AND STRONG CREST LEVEL
WINDS ALONG WITH SIGNIFICANTLY RISING FREEZING LEVELS.
THIS STORM SHOULD DEPOSIT HEAVY ACCUMULATIONS OF INCREASINGLY DENSE
SNOW TO MOST AERAS LATER THURSDAY. THE NEW HEAVY SNOW WILL
LOAD EXISTING WEAK SNOW THAT IS POORLY BONDED TO AN ICE CRUST. THIS
SHOULD RESULT IN WIDESPREAD NATURAL AVALANCHES BY LATE THURSDAY AND
THURSDAY NIGHT. BACKCOUNTRY TRAVEL IN AVALANCHE TERRAIN IS NOT
RECOMMENDED BY LATE THURSDAY.
PLEASE VISIT NWAC.US FOR DETAILS. KRAMER
THIS STATEMENT WILL BE UPDATED AS CONDITIONS WARRANT. PLEASE VISIT
WWW.NWAC.US FOR DETAILS.
$$
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.
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.
KRAMER/NORTHWEST WEATHER AND AVALANCHE CENTER
$$
WINTER STORM WARNING
Warning Issue Date: 333 PM PST THU DEC 31 2009
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST FRIDAY...
...WINTER STORM WARNING IN EFFECT FROM 6 AM FRIDAY TO NOON PST
SATURDAY...
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO
NOON PST SATURDAY. THE WINTER WEATHER ADVISORY IS NOW IN EFFECT
UNTIL 6 AM PST FRIDAY.
* EXPECT 4 TO 8 INCHES OF SNOW TONIGHT AHEAD OF A WARM FRONT THIS
EVENING. A RELATIVE LULL IN THE SNOW IS EXPECTED FROM MIDNIGHT
TONIGHT THROUGH EARLY FRIDAY MORNING BEFORE SNOW INCREASES AGAIN
DURING THE DAY FRIDAY.
* SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED TONIGHT.
HEAVY ACCUMULATIONS OF 2 TO 3 FEET ARE EXPECTED FRIDAY THROUGH
SATURDAY MORNING.
* SNOW LEVELS AROUND 3000 FEET EARLY THIS EVENING WILL RISE TO
4500 FEET DURING THE EVENING HOURS. SNOW LEVELS WILL FALL TO
4000 FEET FRIDAY MORNING AND 3500 FEET FRIDAY NIGHT AND
SATURDAY.
* AVALANCHE DANGERS ALSO EXIST. BACKCOUNTRY TRAVELERS SHOULD
REFER TO THE LATEST AVALANCHE FORECAST FROM THE NORTHWEST
WEATHER AND AVALANCHE CENTER FOR DETAILS AT NWAC.US.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
$$
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