A WINTER STORM WILL BRING SNOW TO THE AREA TONIGHT AND WEDNESDAY. A LOW PRESSURE SYSTEM WILL MOVE INLAND THIS EVENING BRINGING SNOW TO MUCH OF THE PACIFIC NORTHWEST THROUGH WEDNESDAY AFTERNOON. SIGNIFICANT SNOWFALL ACCUMULATIONS CAN BE EXPECTED IN AND AROUND THE BLUE MOUNTAINS OF WASHINGTON.
Winter Weather Advisory
THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST WEDNESDAY FOR THE FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-INCLUDING THE CITIES OF...DAYTON...WAITSBURG...WALLA WALLA
* SNOW WILL BEGIN FALLING LATER THIS EVENING AND WILL LIKELY
CONTINUE THROUGH WEDNESDAY AFTERNOON.
* TOTAL SNOW ACCUMULATIONS OF 2 TO 3 INCHES CAN BE EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW IS OCCURRING OR IS EXPECTED TO DEVELOP AND ACCUMULATE. TRAVEL MAY BE HAZARDOUS...ESPECIALLY ON BRIDGES...OVERPASSES...AND SECONDARY ROADS. MOTORISTS ARE URGED TO USE EXTREME CAUTION...AND SLOW DOWN TO ADJUST FOR RAPIDLY CHANGING DRIVING CONDITIONS AND REDUCED VISIBILITIES.
Air Stagnation Advisory
THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST WEDNESDAY FOR THE FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-INCLUDING THE CITIES OF...DAYTON...WAITSBURG...WALLA WALLA
* SNOW WILL BEGIN FALLING LATER THIS EVENING AND WILL LIKELY
CONTINUE THROUGH WEDNESDAY AFTERNOON.
* TOTAL SNOW ACCUMULATIONS OF 2 TO 3 INCHES CAN BE EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW IS OCCURRING OR IS EXPECTED TO DEVELOP AND ACCUMULATE. TRAVEL MAY BE HAZARDOUS...ESPECIALLY ON BRIDGES...OVERPASSES...AND SECONDARY ROADS. MOTORISTS ARE URGED TO USE EXTREME CAUTION...AND SLOW DOWN TO ADJUST FOR RAPIDLY CHANGING DRIVING CONDITIONS AND REDUCED VISIBILITIES.
Air Stagnation Advisory
AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 4 PM PSTWEDNESDAY FOR THE FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-TRI-CITIES...DAYTON...WAITSBURG...WALLA WALLA
* AIR QUALITY MAY DETERIORATE AS A RESULT
WEDNESDAY.
* AIR QUALITY MAY DETERIORATE AS A RESULT OF INCREASING AIR
POLLUTION LEVELS IN VALLEYS AND BASINS DUE TO STABLE
CONDITIONS AND VERY LIGHT WINDS LIMITING MIXING HEIGHTS AND AIR MOVEMENT.
* AIR STAGNATION WILL CAUSE THE ACCUMULATION OF PARTICULATE MATTER IN VALLEYS AND BASINS BELOW 3500 FEET.
* POOR AIR QUALITY MAY AFFECT PERSONS WITH RESPIRATORY PROBLEMS AND PERSONS ENGAGED IN STRENUOUS OUTDOOR ACTIVITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF AN AIR MASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE. CHECK WITH YOUR LOCAL AIR QUALITY AGENCY FOR POSSIBLE RESTRICTIONS IN OUR AREA.
Hazardous Weather Outlook
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGONAS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
VERY LIGHT OR CALM SURFACE WINDS AND STRONG SURFACE BASED
TEMPERATURE INVERSIONS WILL MAINTAIN A STABLE AIRMASS AND STAGNANTAIR CONDITIONS WHICH WILL TRAP AIR POLLUTANTS IN THE BOUNDARY LAYER. AS SUCH AN AIR STAGNATION ADVISORY IS IN EFFECT FOR THE AREAS LISTED ABOVE THROUGH 4 PM PST WEDNESDAY AFTERNOON.
A LOW PRESSURE SYSTEM WILL MOVE INTO THE PACIFIC NORTHWEST THIS EVENING BRINGING SNOW TO MUCH OF THE REGION. SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE IN AND AROUND THE BLUE MOUNTAINS OF WASHINGTON. THEREFORE, WINTER WEATHER ADVISORIES HAVE BEEN ISSUED
FOR THE NORTHWEST BLUE MOUNTAINS AND THE FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.
FOR COMPLETE WEATHER INFORMATION AND COMPLETE LISTED CITIES GO TO WWW.WEATHER.GOV/PENDLETON
WEDNESDAY.
* AIR QUALITY MAY DETERIORATE AS A RESULT OF INCREASING AIR
POLLUTION LEVELS IN VALLEYS AND BASINS DUE TO STABLE
CONDITIONS AND VERY LIGHT WINDS LIMITING MIXING HEIGHTS AND AIR MOVEMENT.
* AIR STAGNATION WILL CAUSE THE ACCUMULATION OF PARTICULATE MATTER IN VALLEYS AND BASINS BELOW 3500 FEET.
* POOR AIR QUALITY MAY AFFECT PERSONS WITH RESPIRATORY PROBLEMS AND PERSONS ENGAGED IN STRENUOUS OUTDOOR ACTIVITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF AN AIR MASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE. CHECK WITH YOUR LOCAL AIR QUALITY AGENCY FOR POSSIBLE RESTRICTIONS IN OUR AREA.
Hazardous Weather Outlook
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGONAS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
VERY LIGHT OR CALM SURFACE WINDS AND STRONG SURFACE BASED
TEMPERATURE INVERSIONS WILL MAINTAIN A STABLE AIRMASS AND STAGNANTAIR CONDITIONS WHICH WILL TRAP AIR POLLUTANTS IN THE BOUNDARY LAYER. AS SUCH AN AIR STAGNATION ADVISORY IS IN EFFECT FOR THE AREAS LISTED ABOVE THROUGH 4 PM PST WEDNESDAY AFTERNOON.
A LOW PRESSURE SYSTEM WILL MOVE INTO THE PACIFIC NORTHWEST THIS EVENING BRINGING SNOW TO MUCH OF THE REGION. SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE IN AND AROUND THE BLUE MOUNTAINS OF WASHINGTON. THEREFORE, WINTER WEATHER ADVISORIES HAVE BEEN ISSUED
FOR THE NORTHWEST BLUE MOUNTAINS AND THE FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.
FOR COMPLETE WEATHER INFORMATION AND COMPLETE LISTED CITIES GO TO WWW.WEATHER.GOV/PENDLETON
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