062 
AUUS46 KPDT 011310 CCA
DDOPDT

DAILY DISPERSION OUTLOOK...CORRECTED TO ADD AIR STAGNATION HEADLINE
NATIONAL WEATHER SERVICE PENDLETON OR
510 AM PST MON DEC 1 2008

...AIR STAGNATION ADVISORY IN EFFECT FOR THE YAKIMA VALLEY AND THE 
LOWER COLUMBIA BASIN UNTIL 12 PM PST TODAY...



*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 1-3 MPH.          SW 6-8 MPH.
TRANSPORT WINDS               S 1-3 MPH.          SW 6-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE DEC 2         POOR.               

VENTILATION INDEX (CATEGORY)  25 (POOR).          70 (POOR).
OUTLOOK FOR TUE DEC 2         224 (POOR).         

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 2-4 MPH.         SW 5-7 MPH.
TRANSPORT WINDS               SW 2-4 MPH.         S 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE DEC 2         POOR.               

VENTILATION INDEX (CATEGORY)  25 (POOR).          48 (POOR).
OUTLOOK FOR TUE DEC 2         101 (POOR).         

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 15-23 MPH.        S 15-25 MPH.
TRANSPORT WINDS               S 15-23 MPH.        S 9-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           FAIR.               FAIR.
OUTLOOK FOR TUE DEC 2         FAIR.               

VENTILATION INDEX (CATEGORY)  26 (POOR).          178 (POOR).
OUTLOOK FOR TUE DEC 2         412 (FAIR).         

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A NEW TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE. IF YOU WOULD LIKE TO KNOW
MORE ABOUT THIS PRODUCT...CONTACT THE NATIONAL WEATHER SERVICE
IN PENDLETON.
$$