Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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128
AUUS46 KPDT 111200
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PST THU FEB 11 2016

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRBL 2-6 MPH.       VRBL 5-10 MPH.
TRANSPORT WINDS               VRBL 2-6 MPH.       SW 15-20 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR FRI FEB 12        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          79 (POOR).
OUTLOOK FOR FRI FEB 12        91 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 2-6 MPH.         NE 5-10 MPH.
TRANSPORT WINDS               NW 2-6 MPH.         SE 12-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR FRI FEB 12        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          76 (POOR).
OUTLOOK FOR FRI FEB 12        47 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 3-7 MPH.         S 10-20 MPH.
TRANSPORT WINDS               NW 3-7 MPH.         SW 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR FRI FEB 12        POOR.

VENTILATION INDEX (CATEGORY)  30 (POOR).          112 (POOR).
OUTLOOK FOR FRI FEB 12        70 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       44 (POOR)
ELLENSBURG     40 (POOR)
GOLDENDALE     76 (POOR)
TRI-CITIES     92 (POOR)
WALLA WALLA    67 (POOR)
YAKIMA         63 (POOR)
BEND          139 (POOR)
PRINEVILLE    128 (POOR)
ENTERPRISE     44 (POOR)
HERMISTON     114 (POOR)
JOHN DAY       67 (POOR)
LA GRANDE     139 (POOR)
MADRAS        131 (POOR)
MEACHAM       101 (POOR)
PENDLETON      74 (POOR)
REDMOND       160 (POOR)
SENECA         59 (POOR)
THE DALLES    102 (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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