557
AUUS46 KPDT 151213
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
513 AM PDT MON JUL 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 5-10 MPH.        W 8-15 MPH.
TRANSPORT WINDS               SW 10-15 MPH.       W 12-17 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUL 16        POOR.
OUTLOOK FOR WED JUL 17        FAIR.

VENTILATION INDEX (CATEGORY)  149 (POOR).         880 (GOOD).
OUTLOOK FOR TUE JUL 16        335 (FAIR).
OUTLOOK FOR WED JUL 17        508 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-6 MPH.          SW 4-8 MPH.
TRANSPORT WINDS               W 4-8 MPH.          W 6-9 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR TUE JUL 16        POOR.
OUTLOOK FOR WED JUL 17        GOOD.

VENTILATION INDEX (CATEGORY)  43 (POOR).          435 (FAIR).
OUTLOOK FOR TUE JUL 16        225 (POOR).
OUTLOOK FOR WED JUL 17        814 (GOOD).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 2-4 MPH.         NW 5-10 MPH.
TRANSPORT WINDS               SW 2-5 MPH.         W 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       10000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE JUL 16        GOOD.
OUTLOOK FOR WED JUL 17        GOOD.

VENTILATION INDEX (CATEGORY)  56 (POOR).          716 (GOOD).
OUTLOOK FOR TUE JUL 16        618 (GOOD).
OUTLOOK FOR WED JUL 17        1010 (GOOD).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 5-10 MPH.         W 8-15 MPH.
TRANSPORT WINDS               SW 9-15 MPH.        W 12-16 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUL 16        FAIR.
OUTLOOK FOR WED JUL 17        FAIR.

VENTILATION INDEX (CATEGORY)  180 (POOR).         850 (GOOD).
OUTLOOK FOR TUE JUL 16        374 (FAIR).
OUTLOOK FOR WED JUL 17        508 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      559 (FAIR)
ELLENSBURG    764 (GOOD)
GOLDENDALE    552 (FAIR)
TRI-CITIES    600 (FAIR)
WALLA WALLA   891 (GOOD)
YAKIMA        453 (FAIR)
BEND          912 (GOOD)
PRINEVILLE    767 (GOOD)
ENTERPRISE    779 (GOOD)
HERMISTON     976 (GOOD)
JOHN DAY     1035 (GOOD)
LA GRANDE     835 (GOOD)
MADRAS        509 (FAIR)
MEACHAM       677 (GOOD)
PENDLETON     955 (GOOD)
REDMOND       777 (GOOD)
SENECA       1050 (GOOD)
THE DALLES    753 (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.
$$