Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 291211
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
511 AM PDT MON AUG 29 2016

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 2-5 MPH.          W 6-8 MPH.
TRANSPORT WINDS               S 8-11 MPH.         SW 5-9 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR TUE AUG 30        POOR.

VENTILATION INDEX (CATEGORY)  43 (POOR).          290 (POOR).
OUTLOOK FOR TUE AUG 30        210 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 5-7 MPH.         SW 6-10 MPH.
TRANSPORT WINDS               NW 8-11 MPH.        SW 7-13 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR TUE AUG 30        FAIR.

VENTILATION INDEX (CATEGORY)  38 (POOR).          410 (FAIR).
OUTLOOK FOR TUE AUG 30        368 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 0-2 MPH.          S 8-12 MPH.
TRANSPORT WINDS               SE 6-8 MPH.         SW 11-13 MPH.
MIXING HEIGHT                 NEAR SURFACE.       12000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE AUG 30        FAIR.

VENTILATION INDEX (CATEGORY)  36 (POOR).          1004 (GOOD).
OUTLOOK FOR TUE AUG 30        315 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      342 (FAIR)
ELLENSBURG    733 (GOOD)
GOLDENDALE    380 (FAIR)
TRI-CITIES    265 (POOR)
WALLA WALLA   358 (FAIR)
YAKIMA        527 (FAIR)
BEND          668 (GOOD)
PRINEVILLE    563 (FAIR)
ENTERPRISE   1050 (GOOD)
HERMISTON     226 (POOR)
JOHN DAY      809 (GOOD)
LA GRANDE     998 (GOOD)
MADRAS        346 (FAIR)
MEACHAM       269 (POOR)
PENDLETON     283 (POOR)
REDMOND       575 (FAIR)
SENECA        964 (GOOD)
THE DALLES    360 (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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