Full Notification

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
1017 AM PST SUN JAN 3 2016

...MIX OF WINTRY PRECIPITATION WILL CONTINUE TO CAUSE TRAVEL
PROBLEMS THROUGH MONDAY MORNING...

.AFTER SEVERAL DAYS OF COLD OFFSHORE FLOW...A WEAK LOW PRESSURE
SYSTEM IS SPREADING SNOW AND SLEET ACROSS NORTHWEST OREGON AND
PORTIONS OF SOUTHWEST WASHINGTON. WARMER AIR ALOFT MAY CAUSE
PRECIPITATION TO CHANGE TO FREEZING RAIN OR DRIZZLE LATER TODAY OR
TONIGHT...ESPECIALLY SOUTH OF WILSONVILLE. WHILE SNOW AND ICE
ACCUMULATIONS ARE NOT EXPECTED TO BE HEAVY...SEVERAL DAYS OF COLD
WEATHER HAVE RESULTED IN ROADS AND SURFACES BEING RECEPTIVE TO
SNOW AND ICE ACCUMULATION. THIS IS ALREADY CREATING SIGNIFICANT
TRAVEL PROBLEMS ACROSS THE REGION...WHICH WILL LIKELY PERSIST
THROUGH TONIGHT AND POSSIBLY THE MORNING COMMUTE ON MONDAY.

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN...SLEET...AND SNOW...WHICH IS
IN EFFECT UNTIL 10 AM PST MONDAY.

* TIMING...A MIX OF FREEZING RAIN...SLEET AND SNOW WILL SLOWLY
  TRANSITION TO ALL FREEZING RAIN OR RAIN TODAY PROGRESSES.
  OCCASIONAL FREEZING RAIN OR DRIZZLE WILL REMAIN POSSIBLE THROUGH
  MONDAY MORNING.

* ICE ACCUMULATION...ONE TO TWO TENTHS OF AN INCH.

* SNOW ACCUMULATION...GENERALLY LESS THAN ONE INCH.

* IMPACTS...COUNTY OFFICIALS ALREADY REPORT NUMEROUS CRASHES ALONG
  PORTIONS OF HIGHWAY 101 THIS MORNING. EXPECT ROADS TO BE SLICK
  DUE TO ICE OR SNOW THROUGH MONDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.