577
AUUS46 KPDT 141119
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
419 AM PDT SUN JUL 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                 S 4-10 MPH.         W 10-17 MPH.
TRANSPORT WINDS               SW 7-12 MPH.        W 14-22 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 15        GOOD.
OUTLOOK FOR TUE JUL 16        POOR.

VENTILATION INDEX (CATEGORY)  87 (POOR).          948 (GOOD).
OUTLOOK FOR MON JUL 15        811 (GOOD).
OUTLOOK FOR TUE JUL 16        364 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 5-10 MPH.         W 8-15 MPH.
TRANSPORT WINDS               NW 6-10 MPH.        W 10-17 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 15        POOR.
OUTLOOK FOR TUE JUL 16        POOR.

VENTILATION INDEX (CATEGORY)  52 (POOR).          728 (GOOD).
OUTLOOK FOR MON JUL 15        319 (FAIR).
OUTLOOK FOR TUE JUL 16        278 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VAR 1-3 MPH.        NW 6-12 MPH.
TRANSPORT WINDS               W 2-5 MPH.          W 9-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 15        GOOD.
OUTLOOK FOR TUE JUL 16        GOOD.

VENTILATION INDEX (CATEGORY)  37 (POOR).          625 (GOOD).
OUTLOOK FOR MON JUL 15        537 (FAIR).
OUTLOOK FOR TUE JUL 16        486 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 5-10 MPH.         W 12-18 MPH.
TRANSPORT WINDS               SW 8-14 MPH.        W 15-22 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 15        FAIR.
OUTLOOK FOR TUE JUL 16        FAIR.

VENTILATION INDEX (CATEGORY)  94 (POOR).          832 (GOOD).
OUTLOOK FOR MON JUL 15        701 (GOOD).
OUTLOOK FOR TUE JUL 16        347 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      752 (GOOD)
ELLENSBURG   1048 (GOOD)
GOLDENDALE    785 (GOOD)
TRI-CITIES    885 (GOOD)
WALLA WALLA   864 (GOOD)
YAKIMA        734 (GOOD)
BEND         1050 (GOOD)
PRINEVILLE    923 (GOOD)
ENTERPRISE    845 (GOOD)
HERMISTON    1025 (GOOD)
JOHN DAY     1050 (GOOD)
LA GRANDE     722 (GOOD)
MADRAS        692 (GOOD)
MEACHAM       616 (GOOD)
PENDLETON     952 (GOOD)
REDMOND       868 (GOOD)
SENECA       1050 (GOOD)
THE DALLES    855 (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.
$$