443
AUUS46 KPDT 301146
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
446 AM PDT SUN JUN 30 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 8-15 MPH.        W 14-19 MPH.
TRANSPORT WINDS               SW 8-15 MPH.        W 14-19 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR MON JUL 1         GOOD.
OUTLOOK FOR TUE JUL 2         FAIR.

VENTILATION INDEX (CATEGORY)  246 (POOR).         983 (GOOD).
OUTLOOK FOR MON JUL 1         830 (GOOD).
OUTLOOK FOR TUE JUL 2         572 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 4-8 MPH.          W 10-14 MPH.
TRANSPORT WINDS               W 5-10 MPH.         W 12-16 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR MON JUL 1         GOOD.
OUTLOOK FOR TUE JUL 2         FAIR.

VENTILATION INDEX (CATEGORY)  168 (POOR).         721 (GOOD).
OUTLOOK FOR MON JUL 1         649 (GOOD).
OUTLOOK FOR TUE JUL 2         353 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 4-8 MPH.         NW 11-14 MPH.
TRANSPORT WINDS               W 7-12 MPH.         W 12-15 MPH.
MIXING HEIGHT                 4500 FT MSL.        10000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 1         GOOD.
OUTLOOK FOR TUE JUL 2         GOOD.

VENTILATION INDEX (CATEGORY)  222 (POOR).         736 (GOOD).
OUTLOOK FOR MON JUL 1         739 (GOOD).
OUTLOOK FOR TUE JUL 2         423 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 8-15 MPH.        W 12-15 MPH.
TRANSPORT WINDS               SW 9-16 MPH.        W 15-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR MON JUL 1         GOOD.
OUTLOOK FOR TUE JUL 2         FAIR.

VENTILATION INDEX (CATEGORY)  254 (POOR).         882 (GOOD).
OUTLOOK FOR MON JUL 1         828 (GOOD).
OUTLOOK FOR TUE JUL 2         524 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      864 (GOOD)
ELLENSBURG   1050 (GOOD)
GOLDENDALE    979 (GOOD)
TRI-CITIES    862 (GOOD)
WALLA WALLA   885 (GOOD)
YAKIMA        740 (GOOD)
BEND          508 (FAIR)
PRINEVILLE    584 (FAIR)
ENTERPRISE    623 (GOOD)
HERMISTON    1036 (GOOD)
JOHN DAY      773 (GOOD)
LA GRANDE     832 (GOOD)
MADRAS        522 (FAIR)
MEACHAM       632 (GOOD)
PENDLETON    1043 (GOOD)
REDMOND       608 (GOOD)
SENECA        757 (GOOD)
THE DALLES   1030 (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.
$$