Crooked River Ranch OR Weather Forecast Crooked River Ranch Current Weather

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

.DAY ONE...TODAY AND TONIGHT

AIR STAGNATION ADVISORY
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
OF THE SOUTHERN CASCADES OF WASHINGTON, EASTERN COLUMBIA RIVER
GORGE OF WASHINGTON, KITTITAS VALLEY, YAKIMA VALLEY, 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, FOOTHILLS OF THE BLUE MOUNTAINS
OF OREGON, NORTHERN WHEELER AND SOUTHERN GILLIAM COUNTIES,
JOHN DAY BASIN

THE COMBINATION OF A STRONG HIGH PRESSURE RIDGE ALOFT WITH VERY
LIGHT OR CALM SURFACE WINDS AND STRONG SURFACE BASED TEMPERATURE
INVERSIONS IN THE LOWEST 10000 FEET ABOVE MSL WILL MAINTAIN A STABLE
AIRMASS AND STAGNANT AIR CONDITIONS RESULTING IN LOW MIXING HEIGHTS
WHICH WILL TRAP AIR POLLUTANTS IN THE BOUNDARY LAYER IN THE AREAS
LISTED ABOVE. AS SUCH AN AIR STAGNATION ADVISORY IS IN EFFECT FOR
THESE AREAS. PLEASE REFER TO PDXNPWPDT FOR MORE DETAILS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

AIR STAGNATION ADVISORY UNTIL 4 PM PST MONDAY
EAST SLOPES OF THE CENTRAL CASCADES OF WASHINGTON, EAST SLOPES
OF THE SOUTHERN CASCADES OF WASHINGTON, EASTERN COLUMBIA RIVER
GORGE OF WASHINGTON, KITTITAS VALLEY, YAKIMA VALLEY, 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, FOOTHILLS OF THE BLUE MOUNTAINS
OF OREGON, NORTHERN WHEELER AND SOUTHERN GILLIAM COUNTIES,
JOHN DAY BASIN

STRONG TEMPERATURE INVERSIONS WILL CAUSE STABLE CONDITIONS...LOW
MIXING HEIGHTS AND VERY LIGHT OR CALM WINDS TO PERSIST THROUGH
MONDAY. AS A RESULT THE AIR STAGNATION ADVISORY IS NOW IN EFFECT
UNTIL 4 PM PST MONDAY. PLEASE REFER TO PDXNPWPDT FOR MORE DETAILS.

STRONG TEMPERATURE INVERSIONS WILL CAUSE STABLE CONDITIONS AND LOW
MIXING HEIGHTS TO CONTINUE MONDAY NIGHT AND TUESDAY THUS PRODUCING
WIDESPREAD LOW CLOUDS AND PATCHY FOG OVER MUCH OF THE AREA THROUGH
TUESDAY.

MULTIPLE WEATHER SYSTEMS ARE EXPECTED TO MOVE THROUGH THE REGION
LATER THIS WEEK...WITH INCREASING PRECIPITATION CHANCES TUESDAY
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.

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.