859
AUUS46 KPDT 131224
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
524 AM PDT SAT JUL 13 2024

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-9 MPH.          W 5-10 MPH.
TRANSPORT WINDS               SW 5-10 MPH.        W 6-12 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SUN JUL 14        GOOD.
OUTLOOK FOR MON JUL 15        GOOD.

VENTILATION INDEX (CATEGORY)  71 (POOR).          438 (FAIR).
OUTLOOK FOR SUN JUL 14        774 (GOOD).
OUTLOOK FOR MON JUL 15        763 (GOOD).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-6 MPH.          W 3-6 MPH.
TRANSPORT WINDS               NW 4-8 MPH.         W 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SUN JUL 14        FAIR.
OUTLOOK FOR MON JUL 15        FAIR.

VENTILATION INDEX (CATEGORY)  52 (POOR).          309 (FAIR).
OUTLOOK FOR SUN JUL 14        507 (FAIR).
OUTLOOK FOR MON JUL 15        339 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 1-3 MPH.          NW 6-9 MPH.
TRANSPORT WINDS               NW 2-5 MPH.         W 10-16 MPH.
MIXING HEIGHT                 4000 FT MSL.        10500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN JUL 14        GOOD.
OUTLOOK FOR MON JUL 15        GOOD.

VENTILATION INDEX (CATEGORY)  38 (POOR).          622 (GOOD).
OUTLOOK FOR SUN JUL 14        631 (GOOD).
OUTLOOK FOR MON JUL 15        599 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-8 MPH.          W 4-9 MPH.
TRANSPORT WINDS               S 6-11 MPH.         W  7-13 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SUN JUL 14        GOOD.
OUTLOOK FOR MON JUL 15        GOOD.

VENTILATION INDEX (CATEGORY)  70 (POOR).          427 (FAIR).
OUTLOOK FOR SUN JUL 14        771 (GOOD).
OUTLOOK FOR MON JUL 15        790 (GOOD).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      542 (FAIR)
ELLENSBURG    669 (GOOD)
GOLDENDALE    552 (FAIR)
TRI-CITIES    349 (FAIR)
WALLA WALLA   377 (FAIR)
YAKIMA        360 (FAIR)
BEND         1050 (GOOD)
PRINEVILLE    819 (GOOD)
ENTERPRISE    939 (GOOD)
HERMISTON     421 (FAIR)
JOHN DAY     1050 (GOOD)
LA GRANDE     741 (GOOD)
MADRAS        470 (FAIR)
MEACHAM       373 (FAIR)
PENDLETON     426 (FAIR)
REDMOND       723 (GOOD)
SENECA       1050 (GOOD)
THE DALLES    541 (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 TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/GFORECAST/GINDEX.PHP?FCST=MIXHGT,VENTCAT,TRANSWIND,VENTINDX&VT=0,72

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$