489
AUUS46 KPDT 151138
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
438 AM PDT SAT JUN 15 2024

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 17-28 MPH.       W 24-30 MPH.
TRANSPORT WINDS               SW 18-29 MPH.       W 29-32 MPH.
MIXING HEIGHT                 2500 FT MSL.        9500 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR SUN JUN 16        GOOD.
OUTLOOK FOR MON JUN 17        GOOD.

VENTILATION INDEX (CATEGORY)  664 (GOOD).         1050 (GOOD).
OUTLOOK FOR SUN JUN 16        726 (GOOD).
OUTLOOK FOR MON JUN 17        903 (GOOD).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 11-19 MPH.        W 19-23 MPH.
TRANSPORT WINDS               W 14-21 MPH.        W 24-27 MPH.
MIXING HEIGHT                 2500 FT MSL.        10000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR SUN JUN 16        FAIR.
OUTLOOK FOR MON JUN 17        GOOD.

VENTILATION INDEX (CATEGORY)  606 (GOOD).         1050 (GOOD).
OUTLOOK FOR SUN JUN 16        491 (FAIR).
OUTLOOK FOR MON JUN 17        777 (GOOD).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 7-12 MPH.         NW 16-19 MPH.
TRANSPORT WINDS               W 10-14 MPH.        W 20-25 MPH.
MIXING HEIGHT                 5000 FT MSL.        9500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR SUN JUN 16        GOOD.
OUTLOOK FOR MON JUN 17        GOOD.

VENTILATION INDEX (CATEGORY)  418 (FAIR).         1045 (GOOD).
OUTLOOK FOR SUN JUN 16        470 (FAIR).
OUTLOOK FOR MON JUN 17        569 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 14-27 MPH.       W 21-29 MPH.
TRANSPORT WINDS               SW 17-24 MPH.       W 27-32 MPH.
MIXING HEIGHT                 2500 FT MSL.        9000 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR SUN JUN 16        GOOD.
OUTLOOK FOR MON JUN 17        GOOD.

VENTILATION INDEX (CATEGORY)  570 (FAIR).         1050 (GOOD).
OUTLOOK FOR SUN JUN 16        650 (GOOD).
OUTLOOK FOR MON JUN 17        745 (GOOD).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM     1050 (GOOD)
ELLENSBURG   1050 (GOOD)
GOLDENDALE   1050 (GOOD)
TRI-CITIES   1050 (GOOD)
WALLA WALLA  1050 (GOOD)
YAKIMA       1050 (GOOD)
BEND         1050 (GOOD)
PRINEVILLE   1050 (GOOD)
ENTERPRISE   1050 (GOOD)
HERMISTON    1050 (GOOD)
JOHN DAY     1050 (GOOD)
LA GRANDE    1050 (GOOD)
MADRAS       1050 (GOOD)
MEACHAM      1050 (GOOD)
PENDLETON    1050 (GOOD)
REDMOND      1050 (GOOD)
SENECA       1050 (GOOD)
THE DALLES   1050 (GOOD)

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.
$$