Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 021152
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
452 AM PDT SUN AUG 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                 VRBL 2-5 MPH.       NW 5-10 MPH.
TRANSPORT WINDS               VRBL 2-5 MPH.       W-NW 3-6 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON AUG 3         GOOD.

VENTILATION INDEX (CATEGORY)  131 (POOR).         336 (FAIR).
OUTLOOK FOR MON AUG 3         922 (GOOD).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 6-8 MPH.          SW-W 3-6 MPH.
TRANSPORT WINDS               W 6-8 MPH.          SW 3-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       10500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR MON AUG 3         GOOD.

VENTILATION INDEX (CATEGORY)  161 (POOR).         378 (FAIR).
OUTLOOK FOR MON AUG 3         981 (GOOD).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRBL 1-3 MPH.       N 4-8 MPH.
TRANSPORT WINDS               VRBL 1-3 MPH.       N 6-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       15500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON AUG 3         GOOD.

VENTILATION INDEX (CATEGORY)  52 (POOR).          760 (GOOD).
OUTLOOK FOR MON AUG 3         869 (GOOD).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      548 (FAIR)
ELLENSBURG    766 (GOOD)
GOLDENDALE    328 (FAIR)
TRI-CITIES    328 (FAIR)
WALLA WALLA   347 (FAIR)
YAKIMA        467 (FAIR)
BEND          767 (GOOD)
PRINEVILLE    873 (GOOD)
ENTERPRISE    839 (GOOD)
HERMISTON     268 (POOR)
JOHN DAY      824 (GOOD)
LA GRANDE     742 (GOOD)
MADRAS        599 (FAIR)
MEACHAM       444 (FAIR)
PENDLETON     273 (POOR)
REDMOND       762 (GOOD)
SENECA        847 (GOOD)
THE DALLES    482 (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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