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WWUS76 KOTX 221655
NPWOTX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
955 AM PDT MON OCT 22 2018
..AIR STAGNATION CONTINUES
.OUR PROLONGED PERIOD OF STABLE WEATHER WILL PERSIST UNTIL AT
LEAST TUESDAY. LIGHT WINDS AND A STRONG INVERSION WILL HEIGHTEN
THE POTENTIAL FOR POOR AIR QUALITY ACROSS MUCH OF CENTRAL AND
EASTERN WASHINGTON. A SLOW IMPROVEMENT TO AIR QUALITY IS EXPECTED
FOR MID WEEK WITH A FRONTAL SYSTEM PROVIDING A GOOD SCRUBBING OF
THE ATMOSPHERE THURSDAY NIGHT INTO FRIDAY.
WAC001-007-017-019-025-043-047-051-063-065-231700-
/O.CON.KOTX.AS.Y.0001.000000T0000Z-181023T1700Z/
ADAMS-CHELAN-DOUGLAS-FERRY-GRANT-LINCOLN-OKANOGAN-PEND OREILLE-
SPOKANE-STEVENS-
955 AM PDT MON OCT 22 2018
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
TUESDAY...
* AIR QUALITY...MODERATE. AIR QUALITY IS EXPECTED TO SLOWLY
IMPROVE AND BE BETWEEN GOOD TO MODERATE LEVELS THROUGH MID
WEEK, ESPECIALLY IN THE MOUNTAIN VALLEYS.
* IMPACTS...PERSONS WITH RESPIRATORY ISSUES SHOULD FOLLOW THE
ADVICE OF THEIR PHYSICIAN ON HOW TO DEAL WITH POOR AIR
QUALITY. THERE MAY BE LOCAL RESTRICTIONS ON OUTDOOR BURNING,
SO PLEASE CONSULT CHECK LOCAL BURN BANS BEFORE BURNING LEAVES
OR YARD WASTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIR MASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE
TO UNHEALTHY LEVELS. PERSONS WITH RESPIRATORY ILLNESS SHOULD
FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS OF
AIR POLLUTION.
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