294
AUUS46 KPDT 011152
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
452 AM PDT MON JUL 1 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 8-16 MPH.        W 12-16 MPH.
TRANSPORT WINDS               SW 8-16 MPH.        W 15-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUL 2         GOOD.
OUTLOOK FOR WED JUL 3         FAIR.

VENTILATION INDEX (CATEGORY)  211 (POOR).         862 (GOOD).
OUTLOOK FOR TUE JUL 2         619 (GOOD).
OUTLOOK FOR WED JUL 3         479 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 4-9 MPH.          NW 8-14 MPH.
TRANSPORT WINDS               W 4-9 MPH.          NW 11-16 MPH.
MIXING HEIGHT                 NEAR SURFACE.       10000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE JUL 2         FAIR.
OUTLOOK FOR WED JUL 3         FAIR.

VENTILATION INDEX (CATEGORY)  135 (POOR).         759 (GOOD).
OUTLOOK FOR TUE JUL 2         357 (FAIR).
OUTLOOK FOR WED JUL 3         352 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-6 MPH.          NW 12-16 MPH.
TRANSPORT WINDS               W 5-9 MPH.          W 15-18 MPH.
MIXING HEIGHT                 4000 FT MSL.        10000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE JUL 2         GOOD.
OUTLOOK FOR WED JUL 3         GOOD.

VENTILATION INDEX (CATEGORY)  172 (POOR).         819 (GOOD).
OUTLOOK FOR TUE JUL 2         501 (FAIR).
OUTLOOK FOR WED JUL 3         591 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 10-16 MPH.       W 13-15 MPH.
TRANSPORT WINDS               SW 10-16 MPH.       W 15-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE JUL 2         FAIR.
OUTLOOK FOR WED JUL 3         FAIR.

VENTILATION INDEX (CATEGORY)  242 (POOR).         808 (GOOD).
OUTLOOK FOR TUE JUL 2         649 (GOOD).
OUTLOOK FOR WED JUL 3         445 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      942 (GOOD)
ELLENSBURG   1050 (GOOD)
GOLDENDALE    992 (GOOD)
TRI-CITIES    971 (GOOD)
WALLA WALLA   778 (GOOD)
YAKIMA        919 (GOOD)
BEND          715 (GOOD)
PRINEVILLE    671 (GOOD)
ENTERPRISE    814 (GOOD)
HERMISTON     741 (GOOD)
JOHN DAY      898 (GOOD)
LA GRANDE     908 (GOOD)
MADRAS        696 (GOOD)
MEACHAM       623 (GOOD)
PENDLETON     854 (GOOD)
REDMOND       686 (GOOD)
SENECA        991 (GOOD)
THE DALLES   1039 (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.
$$