Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 141054
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT SUN SEP 14 2014

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 3-7 MPH.        N 5-10 MPH.
TRANSPORT WINDS               VRB 3-7 MPH.        NE 6-11 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR MON SEP 15        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          326 (FAIR).
OUTLOOK FOR MON SEP 15        299 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 5-9 MPH.          NE 4-8 MPH.
TRANSPORT WINDS               W 5-10 MPH.         NE 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR MON SEP 15        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          432 (FAIR).
OUTLOOK FOR MON SEP 15        299 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 2-5 MPH.        N 4-8 MPH.
TRANSPORT WINDS               VRB 2-5 MPH.        N 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON SEP 15        GOOD.

VENTILATION INDEX (CATEGORY)  25 (POOR).          355 (FAIR).
OUTLOOK FOR MON SEP 15        909 (GOOD).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      461 (FAIR)
ELLENSBURG    425 (FAIR)
GOLDENDALE    452 (FAIR)
TRI-CITIES    442 (FAIR)
WALLA WALLA   258 (POOR)
YAKIMA        422 (FAIR)
BEND          585 (FAIR)
ENTERPRISE    411 (FAIR)
HERMISTON     370 (FAIR)
JOHN DAY      677 (GOOD)
LA GRANDE     344 (FAIR)
MADRAS        277 (POOR)
MEACHAM       253 (POOR)
PENDLETON     268 (POOR)
REDMOND       482 (FAIR)
SENECA        799 (GOOD)
THE DALLES    446 (FAIR)

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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