Wildfire in Oregon, August 14 to 31, 2005

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
1053 PM PDT SAT AUG 13 2005

UPDATED FOR AVIATION DISCUSSION

.AVIATION...VFR CONDITIONS CAN BE EXPECTED FOR THE NEXT 24 HOURS.
HIGH PRESSURE WILL LEAD TO LIGHT WINDS AND GENERALLY CLEAR SKIES
OTHER THAN A FEW CUMULUS CLOUDS OVER THE MOUNTAINS TOMORROW. A LAYER
OF SMOKE AND HAZE WILL BE PRESENT AT AROUND 10000 FEET FROM REGIONAL
WILDFIRES. PERRY

&&

.PREV DISCUSSION... (ISSUED 845 PM PDT SAT AUG 13 2005)

SHORT TERM...WILL UPDATE SHORTLY TO CLEAN UP FIRST PERIOD WORDING
ON WINDS. OTHERWISE...FORECAST IS ON TRACK. WINDS ARE DYING DOWN AS
EXPECTED WITH THE APPROACH OF SUNDOWN. WITH DRY AIR AND CLEAR
SKIES...SHOULD SEE A VERY COOL EVENING FOR AUGUST...ESPECIALLY IN
VALLEY LOCATIONS. TEMPERATURES AT OR BELOW FREEZING ARE POSSIBLE IN
A FEW COLDER LOCATIONS SUCH AS MEACHAM OR SENECA. RIDGING WILL BUILD
TOMORROW FOR WARMER TEMPERATURES NEAR SEASONAL NORMS FOR AUGUST
14TH. PERRY

PREV DISCUSSION... (ISSUED 230 PM PDT SAT AUG 13 2005)

LONG TERM...TUESDAY NIGHT THROUGH SATURDAY...DRY CONDITIONS WILL
CONTINUE THROUGH SATURDAY AS UPPER LEVEL HIGH PRESSURE STEERS UPPER
LEVEL TROUGHS THROUGH CANADA...THUS MISSING THE PACIFIC NORTHWEST.
POLAN

FIRE WEATHER...GRADUAL WARMING NEXT COUPLE OF DAYS AS WE
TRANSITION FROM A NORTHERLY FLOW TO WESTERLY. SOME COOLING AGAIN
TUESDAY AND WEDNESDAY AS NORTHWESTERLY FLOW RETURNS. NO THREAT OF
THUNDERSTORMS OR EXTREME DRY CONDITIONS SEEN OVER THE NEXT COUPLE OF
DAYS.

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...NONE.
WA...NONE.
&&

TI:GGG
FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON
83/83/83

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
440 PM PDT SAT AUG 13 2005

WAZ024>030-ORZ041>050-141200-
EAST SLOPES OF THE SOUTHERN CASCADES-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS-EASTERN COLUMBIA RIVER GORGE OF OREGON-
NORTH CENTRAL OREGON-CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE BLUE MOUNTAINS OF OREGON-BLUE MOUNTAINS-
JOHN DAY BASIN-OCHOCO-JOHN DAY HIGHLANDS-GRANDE RONDE VALLEY-
WALLOWA COUNTY-
440 PM PDT SAT AUG 13 2005

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

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

IT WILL BE SUNNY WITH COOLER TEMPERATURES TODAY DUE TO DRY
NORTHERLY FLOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

AN UPPER LEVEL HIGH PRESSURE RIDGE WILL BUILD OFFSHORE SUNDAY AND
MONDAY WITH WARMER TEMPERATURES. THE RIDGE WILL REMAIN OFFSHORE
TUESDAY THROUGH FRIDAY...THUS PROVIDING A WEST TO NORTHWEST FLOW
ALOFT OVER THE PACIFIC NORTHWEST. THIS WILL KEEP DRY CONDITIONS
OVER THE REGION FROM SUNDAY THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

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

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

WEATHER.GOV/PENDLETON

AND SELECT GRAPHICAL HAZARDS.