Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 011100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT FRI AUG 1 2014

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SE 3-7 MPH.         NW 4-9 MPH.
TRANSPORT WINDS               SE 3-7 MPH.         NW 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       14500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT AUG 2         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          468 (FAIR).
OUTLOOK FOR SAT AUG 2         153 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-7 MPH.          NE 5-10 MPH.
TRANSPORT WINDS               W 3-7 MPH.          SE 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       13500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT AUG 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          482 (FAIR).
OUTLOOK FOR SAT AUG 2         544 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 0-4 MPH.         N 3-7 MPH.
TRANSPORT WINDS               NW 0-4 MPH.         SW 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SAT AUG 2         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          155 (POOR).
OUTLOOK FOR SAT AUG 2         79 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      200 (POOR)
ELLENSBURG    636 (GOOD)
GOLDENDALE     76 (POOR)
TRI-CITIES    695 (GOOD)
WALLA WALLA   364 (FAIR)
YAKIMA        464 (FAIR)
BEND          407 (FAIR)
ENTERPRISE    304 (FAIR)
HERMISTON     410 (FAIR)
JOHN DAY      243 (POOR)
LA GRANDE     155 (POOR)
MADRAS        504 (FAIR)
MEACHAM       209 (POOR)
PENDLETON     380 (FAIR)
REDMOND       537 (FAIR)
SENECA        280 (POOR)
THE DALLES     30 (POOR)

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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