AIR STAGNATION ADVISORY Warning Issue Date: 1103 AM PST THU DEC 24 2009
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
SATURDAY...
AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
SATURDAY.
* AIR QUALITY WILL DETERIORATE IN VALLEYS AND BASINS DUE TO HIGH
PRESSURE LIMITING AIR MOVEMENT. THIS WILL CAUSE THE
ACCUMULATION OF PARTICULATE MATTER IN VALLEYS AND BASINS BELOW
3500 FEET.
* POOR AIR QUALITY WILL 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 YOUR AREA. FOR ADDITIONAL WEATHER INFORMATION...
CHECK OUR WEBSITE AT WWW.WEATHER.GOV/PENDLETON.
$$
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