SPECIAL WEATHER STATEMENT
Issue Date: 342 AM PST TUE DEC 8 2009
Expiration: 200 PM PST TUE DEC 08 2009
...VERY COLD WEATHER WILL CONTINUE THIS WEEK OVER THE PACIFIC
NORTHWEST...
A MODIFIED ARCTIC AIR MASS OVER SOUTHWEST WASHINGTON AND NORTHWEST
OREGON WILL CONTINUE THIS WEEK. DAYTIME HIGH TEMPERATURES ARE NOT
EXPECTED TO RISE ABOVE FREEZING TODAY AND WEDNESDAY IN THE INLAND
VALLEYS...WHILE NIGHTTIME LOWS WILL BE AROUND 10 TO 15 DEGREES
TONIGHT. COASTAL AREAS WILL ALSO BE VERY COLD TONIGHT WITH LOW
TEMPERATURES IN THE UPPER TEENS TO MID 20S...WHILE DAYTIME HIGHS
ARE LIKELY TO REMAIN IN THE 30S THROUGH WEDNESDAY. A SLOW WARMING
TREND IS EXPECTED THURSDAY AND FRIDAY BUT CONDITIONS WILL REMAIN
COLDER THAN NORMAL.
RESIDUAL NORTHEAST WINDS WILL CONTINUE TO DECREASE IN MOST AREAS
TODAY. HOWEVER...SOME EAST WINDS ARE LIKELY AT TIMES IN THE
WESTERN COLUMBIA GORGE THROUGH MUCH OF THE WEEK.
MODEL GUIDANCE CONTINUES TO INDICATE A TRANSITION OUT OF THE
ARCTIC AIR MASS THIS WEEKEND. THE INITIAL SYSTEM IS EXPECTED
AROUND FRIDAY NIGHT...WHICH MAY BRING SOME FREEZING RAIN TO THE
INTERIOR LOWLANDS FRIDAY NIGHT INTO SATURDAY MORNING.
HAZARDOUS WEATHER OUTLOOK
Issue Date: 559 AM PST MON DEC 7 2009
Expiration: 600 AM PST TUE DEC 08 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
OREGON AND SOUTHWEST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
COLD ARCTIC AIR WILL CONTINUE OVER THE AREA TODAY AND TONIGHT.
GUSTY EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WILL DECREASE
TODAY...EXCEPT NEAR THE WESTERN COLUMBIA RIVER GORGE WHERE WINDS
WILL CONTINUE THROUGH TONIGHT. TEMPERATURES WILL FALL INTO THE
TEENS AND 20S TONIGHT.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
COLD ARCTIC AIR WILL CONTINUE TUESDAY. CONDITIONS WILL SLOWLY
MODERATE THROUGH THE REMAINDER OF THE WEEK...BUT WILL REMAIN
COLDER THAN NORMAL.
.SPOTTER INFORMATION STATEMENT...
SPOTTER REPORTS OF WIND AND COLD TEMPERATURES LIKELY WILL BE
NEEDED TODAY AND FOR THE NEXT COUPLE OF DAYS.
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