Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
347 AM PDT THU OCT 9 2008

...FIRST SIGNIFICANT SNOW OF THE SEASON TONIGHT AND FRIDAY IN THE
OCHOCO-JOHN DAY HIGHLANDS ABOVE 4000 FEET...

.A PACIFIC LOW PRESSURE SYSTEM WILL STRENGTHEN AS IT MOVES INTO
SOUTHERN OREGON TONIGHT AND FRIDAY. MOISTURE CIRCULATING AROUND
THE SYSTEM WILL BRING NUMEROUS SHOWERS IN THE JOHN DAY BASIN AND
THE OCHOCO-JOHN DAY HIGHLANDS. COLD AIR WILL ALSO SPREAD ACROSS
EASTERN OREGON...WITH SNOW LEVELS LOWERING TO NEAR 3500 FEET.
ACCUMULATING SNOW IS EXPECTED ABOVE 4000 FEET.

ORZ505-506-092215-
/O.NEW.KPDT.WW.Y.0003.081010T0500Z-081010T1700Z/
JOHN DAY BASIN-OCHOCO-JOHN DAY HIGHLANDS-
INCLUDING THE CITIES OF...JOHN DAY...MONUMENT...DAYVILLE...
LONG CREEK...MITCHELL...SENECA
347 AM PDT THU OCT 9 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PDT FRIDAY FOR SNOW AT ELEVATIONS ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW ABOVE 4000 FEET...WHICH IS IN EFFECT FROM
10 PM THIS EVENING TO 10 AM PDT FRIDAY.

NUMEROUS RAIN AND SNOW SHOWERS WILL DEVELOP IN THE JOHN DAY BASIN
AND THE OCHOCO-JOHN DAY HIGHLANDS TONIGHT AND WILL CONTINUE
THROUGH FRIDAY MORNING. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE
EXPECTED ABOVE 4000 FEET.

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