Wind Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1037 PM PST SAT NOV 21 2009

...STRONG WINDS EXPECTED LATE TONIGHT AND SUNDAY ACROSS PORTIONS
OF NORTHEAST OREGON AND SOUTHEAST WASHINGTON...

.A VIGOROUS STORM SYSTEM WILL MOVE ACROSS THE PACIFIC NORTHWEST
LATE TONIGHT AND ON SUNDAY AND WILL PRODUCE STRONG AND GUSTY
WINDS ACROSS THE REGION. STRONGEST WINDS ARE EXPECTED ACROSS
NORTH CENTRAL OREGON... THE GRANDE RONDE VALLEY... AND WALLOWA
COUNTY.

ORZ041-044-WAZ024-028-221500-
/O.CON.KPDT.WI.Y.0040.091122T1200Z-091123T0000Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-
LOWER COLUMBIA BASIN OF OREGON-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-
LOWER COLUMBIA BASIN OF WASHINGTON-
INCLUDING THE CITIES OF...THE DALLES...ARLINGTON...BOARDMAN...
HERMISTON...WHITE SALMON...CONNELL...PROSSER...TRI-CITIES
1037 PM PST SAT NOV 21 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST SUNDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST SUNDAY.

SOUTH TO SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH
WILL DEVELOP LATER TONIGHT AND PERSIST THROUGH SUNDAY AFTERNOON.
STRONGEST WINDS WILL OCCUR THOUGH THE COLUMBIA RIVER GORGE AND
NEAR NORTH TO NORTHEAST FACING SLOPES OF THE HORSE HEAVEN HILLS
AND RATTLESNAKE MOUNTAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST
BETWEEN 30 AND 39 MPH OR GUSTS RANGING FROM 45 TO 57 MPH. WINDS
OF THESE MAGNITUDES CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. MINOR PROPERTY DAMAGE MAY ALSO OCCUR. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&

$$

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
345 PM PST SAT NOV 21 2009

UPDATED FOR WIND AND WINTER WARNINGS AND ADVISORIES

ORZ041>044-049-050-501>506-WAZ024-026>030-501-502-221415-
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
CENTRAL OREGON-LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-
WALLOWA COUNTY-FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-
NORTHERN WHEELER AND SOUTHERN GILLIAM COUNTIES-JOHN DAY BASIN-
OCHOCO-JOHN DAY HIGHLANDS-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS-
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON-
EAST SLOPES OF THE SOUTHERN CASCADES OF WASHINGTON-
345 PM PST SAT NOV 21 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.

.DAY ONE...TONIGHT

SNOW
     EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
     OF THE SOUTHERN CASCADES OF WASHINGTON, NORTHWEST BLUE
     MOUNTAINS, NORTHERN BLUE MOUNTAINS OF OREGON, SOUTHERN BLUE
     MOUNTAINS OF OREGON

STRONG WIND
     FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON, NORTH CENTRAL
     OREGON, CENTRAL OREGON, GRANDE RONDE VALLEY, WALLOWA COUNTY,
     FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON, NORTHERN WHEELER
     AND SOUTHERN GILLIAM COUNTIES

A VIGOROUS STORM DEVELOPING OVER THE EASTERN PACIFIC WILL MOVE
ONSHORE TONIGHT.  A SURFACE LOW WILL DEVELOP OFF THE NORTHWEST
OREGON COAST...THEN MOVE INTO SOUTHWEST WASHINGTON LATE TONIGHT.
THIS LOW WILL CREATE STRONG WINDS TO DEVELOP OVER PORTIONS OF
CENTRAL AND NORTHEAST OREGON...AND EXTREME SOUTHEAST WASHINGTON. A
HIGH WIND WARNING HAS BEEN ISSUED 7 PM THIS EVENING TO 10 AM PST
SUNDAY FOR THE GRANDE RONDE VALLEY AND WALLOWA COUNTY. A HIGH WIND
WARNING HAS BEEN ISSUED FOR NORTH CENTRAL OREGON 1 AM TO 4 PM PST
SUNDAY. A WIND ADVISORY HAS BEEN ISSUED FOR THE FOOTHILLS OF THE
BLUES FROM 10 PM THIS EVENING TO 7 PM PST SUNDAY. A WIND ADVISORY
HAS BEEN ISSUED FOR CENTRAL OREGON FROM 10 PM THIS EVENING TO 1 PM
PST SUNDAY. FOR FURTHER DETAILS PLEASE SEE PRODUCT PDXNPWPDT.

THIS SYSTEM WILL ALSO BE ACCOMPANIED BY A DECENT AMOUNT OF
PRECIPITATION. THE COMBINATION OF SNOW FALL WITH THE MAIN STORM
SYSTEM AND DUE TO UPSLOPE FLOW BEHIND THE STORM WILL RESULT IN
SIGNIFICANT SNOW ACCUMULATIONS IN THE BLUE MOUNTAINS
TONIGHT...LASTING INTO SUNDAY. A WINTER STORM WARNING FOR HEAVY SNOW
AND BLOWING SNOW HAS BEEN ISSUED FOR THE NORTHERN BLUE MOUNTAINS OF
OREGON AND THE NORTHWEST BLUE MOUNTAINS FROM 10 PM PST THIS EVENING
THROUGH 7 PM PST SUNDAY.  A WINTER WEATHER ADVISORY FOR SNOW AND
BLOWING SNOW HAS BEEN ISSUED FOR THE EAST SLOPES OF THE CENTRAL AND
SOUTHERN CASCADES OF WASHINGTON FROM 7 PM PST THIS EVENING THROUGH 4
PM PST SUNDAY. A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW
HAS BEEN ISSUED FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON FROM 10 PM
PST THIS EVENING THROUGH 7 PM PST SUNDAY. FOR FURTHER DETAILS PLEASE
SEE PRODUCT PDXWSWPDT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SNOW SUNDAY
     EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
     OF THE SOUTHERN CASCADES OF WASHINGTON, NORTHWEST BLUE
     MOUNTAINS, NORTHERN BLUE MOUNTAINS OF OREGON, SOUTHERN BLUE
     MOUNTAINS OF OREGON

STRONG WIND SUNDAY
     EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, LOWER COLUMBIA
     BASIN OF WASHINGTON, FOOTHILLS OF THE BLUE MOUNTAINS OF
     WASHINGTON, EASTERN COLUMBIA RIVER GORGE OF OREGON, NORTH
     CENTRAL OREGON, CENTRAL OREGON, LOWER COLUMBIA BASIN OF
     OREGON, GRANDE RONDE VALLEY, WALLOWA COUNTY, FOOTHILLS OF THE
     BLUE MOUNTAINS OF OREGON, NORTHERN WHEELER AND SOUTHERN
     GILLIAM COUNTIES


 A WIND ADVISORY HAS BEEN ISSUED FOR THE LOWER COLUMBIA BASIN AND
COLUMBIA RIVER GORGE FROM FROM 4 AM PST TO 4 PM PST SUNDAY. SEE
NPWPDT FOR ADDITIONAL DETAILS. THE STORM THAT DEVELOPS TONIGHT IS
EXPECTED TO MOVE ACROSS THE PACIFIC NORTHWEST SUNDAY MORNING. THE
SYSTEM WILL THEN BE FOLLOWED BY BUILDING HIGH PRESSURE SUNDAY
AFTERNOON. WINDS WILL CONTINUE TO BE A PROBLEM SUNDAY...PLEASE SEE
PRODUCT PDXNPWPDT. PRECIPITATION WILL DIMINISH AT MOST LOCATIONS
SUNDAY AFTERNOON...EXCEPT IN THE BLUE MOUNTAINS WHERE SNOW SHOULD
DIMINISH DURING THE EVENING.

UPPER LEVEL HIGH PRESSURE MAY BRING A BRIEF DRY SPELL LATE TUESDAY
INTO WEDNESDAY. OTHERWISE UNSETTLED CONDITIONS WILL CONTINUE THROUGH
MUCH OF NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:

WWW.WRH.NOAA.GOV/PDT/CURRENTHAZARDS/HWO.HTML

ALL LETTERS IN THE ABOVE URL ARE LOWER CASE...EXCEPT THE H IN
CURRENTHAZARDS.

$$