295
AUUS46 KPDT 171237
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
537 AM PDT MON JUN 17 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 9-19 MPH.        W 14-22 MPH.
TRANSPORT WINDS               W 11-19 MPH.        W 18-22 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUN 18        FAIR.
OUTLOOK FOR WED JUN 19        FAIR.

VENTILATION INDEX (CATEGORY)  290 (POOR).         1047 (GOOD).
OUTLOOK FOR TUE JUN 18        460 (FAIR).
OUTLOOK FOR WED JUN 19        365 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 6-11 MPH.         NW 12-17 MPH.
TRANSPORT WINDS               W 8-13 MPH.         NW 18-21 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE JUN 18        POOR.
OUTLOOK FOR WED JUN 19        FAIR.

VENTILATION INDEX (CATEGORY)  279 (POOR).         1044 (GOOD).
OUTLOOK FOR TUE JUN 18        299 (POOR).
OUTLOOK FOR WED JUN 19        463 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 6-12 MPH.        NW 12-17 MPH.
TRANSPORT WINDS               NW 11-16 MPH.       NW 18-20 MPH.
MIXING HEIGHT                 5000 FT MSL.        9000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUN 18        GOOD.
OUTLOOK FOR WED JUN 19        GOOD.

VENTILATION INDEX (CATEGORY)  367 (FAIR).         984 (GOOD).
OUTLOOK FOR TUE JUN 18        324 (FAIR).
OUTLOOK FOR WED JUN 19        653 (GOOD).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 9-15 MPH.        W 14-20 MPH.
TRANSPORT WINDS               SW 13-18 MPH.       W 17-20 MPH.
MIXING HEIGHT                 2000 FT MSL.        7000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUN 18        FAIR.
OUTLOOK FOR WED JUN 19        FAIR.

VENTILATION INDEX (CATEGORY)  309 (FAIR).         983 (GOOD).
OUTLOOK FOR TUE JUN 18        362 (FAIR).
OUTLOOK FOR WED JUN 19        441 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      866 (GOOD)
ELLENSBURG   1050 (GOOD)
GOLDENDALE   1041 (GOOD)
TRI-CITIES   1050 (GOOD)
WALLA WALLA  1011 (GOOD)
YAKIMA       1043 (GOOD)
BEND          901 (GOOD)
PRINEVILLE    796 (GOOD)
ENTERPRISE   1024 (GOOD)
HERMISTON    1050 (GOOD)
JOHN DAY     1008 (GOOD)
LA GRANDE    1023 (GOOD)
MADRAS        894 (GOOD)
MEACHAM       745 (GOOD)
PENDLETON    1050 (GOOD)
REDMOND       839 (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.
$$