287
AUUS46 KPDT 141222
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
522 AM PDT FRI JUN 14 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 15-25 MPH.       SW 14-19 MPH.
TRANSPORT WINDS               SW 15-25 MPH.       W 16-21 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR SAT JUN 15        GOOD.
OUTLOOK FOR SUN JUN 16        FAIR.

VENTILATION INDEX (CATEGORY)  310 (FAIR).         902 (GOOD).
OUTLOOK FOR SAT JUN 15        1050 (GOOD).
OUTLOOK FOR SUN JUN 16        658 (GOOD).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 9-16 MPH.         W 10-14 MPH.
TRANSPORT WINDS               NW 9-16 MPH.        W 13-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT JUN 15        GOOD.
OUTLOOK FOR SUN JUN 16        FAIR.

VENTILATION INDEX (CATEGORY)  191 (POOR).         822 (GOOD).
OUTLOOK FOR SAT JUN 15        1050 (GOOD).
OUTLOOK FOR SUN JUN 16        482 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 13-18 MPH.       NW 11-16 MPH.
TRANSPORT WINDS               W 7-12 MPH.         NW 12-15 MPH.
MIXING HEIGHT                 4500 FT MSL.        8000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SAT JUN 15        GOOD.
OUTLOOK FOR SUN JUN 16        GOOD.

VENTILATION INDEX (CATEGORY)  248 (POOR).         570 (FAIR).
OUTLOOK FOR SAT JUN 15        1049 (GOOD).
OUTLOOK FOR SUN JUN 16        525 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 14-23 MPH.       W 12-16 MPH.
TRANSPORT WINDS               SW 14-23 MPH.       W 17-21 MPH.
MIXING HEIGHT                 2000 FT MSL.        6000 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR SAT JUN 15        GOOD.
OUTLOOK FOR SUN JUN 16        FAIR.

VENTILATION INDEX (CATEGORY)  324 (FAIR).         808 (GOOD).
OUTLOOK FOR SAT JUN 15        1050 (GOOD).
OUTLOOK FOR SUN JUN 16        600 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM     1037 (GOOD)
ELLENSBURG   1050 (GOOD)
GOLDENDALE    875 (GOOD)
TRI-CITIES    810 (GOOD)
WALLA WALLA   892 (GOOD)
YAKIMA        857 (GOOD)
BEND          550 (FAIR)
PRINEVILLE    551 (FAIR)
ENTERPRISE    502 (FAIR)
HERMISTON     971 (GOOD)
JOHN DAY      695 (GOOD)
LA GRANDE     663 (GOOD)
MADRAS        540 (FAIR)
MEACHAM       529 (FAIR)
PENDLETON     951 (GOOD)
REDMOND       616 (GOOD)
SENECA        748 (GOOD)
THE DALLES   1047 (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.
$$