AIR STAGNATION ADVISORY
Issue Date: 938 AM PST MON NOV 30 2009
Expiration: 1200 PM PST FRI DEC 04 2009

...HIGH PRESSURE WILL BRING STAGNANT CONDITIONS THROUGH MUCH
OF THIS WEEK...
ORZ029>031-011800-
/O.NEW.KMFR.AS.Y.0003.091130T1738Z-091204T2000Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
938 AM PST MON NOV 30 2009
...AIR STAGNATION ADVISORY IN EFFECT UNTIL NOON PST FRIDAY FOR
ELEVATIONS BELOW 5000 FEET...
THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED AN AIR
STAGNATION ADVISORY...WHICH IS IN EFFECT UNTIL NOON PST FRIDAY
FOR ELEVATIONS BELOW 5000 FEET.
HIGH PRESSURE WILL BE OVER THE AREA MUCH OF THIS WEEK. LIGHT WINDS
AND LOW INVERSION LEVELS ARE EXPECTED OVER THE KLAMATH BASIN AND
THE LOWER ELEVATIONS OF LAKE COUNTY. THIS WILL RESULT IN LITTLE
MIXING OF THE AIR AND POOR VENTILATION...WITH THE POTENTIAL FOR
POLLUTANTS TO BE TRAPPED NEAR GROUND LEVEL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIR MASS ACROSS THE ADVISORY AREA...POLLUTION MAY INCREASE.
$$
SPILDE