Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 021201
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
501 AM PDT TUE JUN 2 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 10-20 MPH.       SW 12-20 MPH.
TRANSPORT WINDS               SW 12-22 MPH.       W 15-25 MPH.
MIXING HEIGHT                 4000 FT MSL.        9500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR WED JUN 3         FAIR.

VENTILATION INDEX (CATEGORY)  200 (FAIR).         1050 (GOOD).
OUTLOOK FOR WED JUN 3         506 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-6 MPH.          W 10-15 MPH.
TRANSPORT WINDS               W 4-8 MPH.          W 10-20 MPH.
MIXING HEIGHT                 1500 FT MSL.        9500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR WED JUN 3         POOR.

VENTILATION INDEX (CATEGORY)  191 (POOR).         1035 (GOOD).
OUTLOOK FOR WED JUN 3         292 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VAR 1-6 MPH.        W 6-10 MPH.
TRANSPORT WINDS               W 6-12 MPH.         W 8-15 MPH.
MIXING HEIGHT                 1500 FT MSL.        9500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR WED JUN 3         FAIR.

VENTILATION INDEX (CATEGORY)  169 (POOR).         696 (GOOD).
OUTLOOK FOR WED JUN 3         162 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      607 (GOOD)
ELLENSBURG   1027 (GOOD)
GOLDENDALE   1050 (GOOD)
TRI-CITIES   1050 (GOOD)
WALLA WALLA  1050 (GOOD)
YAKIMA        908 (GOOD)
BEND          686 (GOOD)
PRINEVILLE    742 (GOOD)
ENTERPRISE    828 (GOOD)
HERMISTON    1050 (GOOD)
JOHN DAY      713 (GOOD)
LA GRANDE     710 (GOOD)
MADRAS        915 (GOOD)
MEACHAM       785 (GOOD)
PENDLETON    1050 (GOOD)
REDMOND       737 (GOOD)
SENECA        663 (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/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$



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