Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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861
AUUS46 KPDT 081249
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
449 AM PST MON FEB 8 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 2-6 MPH.          N 3-5 MPH.
TRANSPORT WINDS               S 0-7 MPH.          N 2-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE FEB 9         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          31 (POOR).
OUTLOOK FOR TUE FEB 9         39 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N 2-5 MPH.          N 2-5 MPH.
TRANSPORT WINDS               NW 1-7 MPH.         N 2-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE FEB 9         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          25 (POOR).
OUTLOOK FOR TUE FEB 9         46 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 5-18 MPH.         S 7-20 MPH.
TRANSPORT WINDS               S 7-17 MPH.         S 6-14 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE FEB 9         FAIR.

VENTILATION INDEX (CATEGORY)  29 (POOR).          70 (POOR).
OUTLOOK FOR TUE FEB 9         87 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       25 (POOR)
ELLENSBURG     25 (POOR)
GOLDENDALE     31 (POOR)
TRI-CITIES     25 (POOR)
WALLA WALLA    36 (POOR)
YAKIMA         25 (POOR)
BEND           39 (POOR)
PRINEVILLE     83 (POOR)
ENTERPRISE     25 (POOR)
HERMISTON      25 (POOR)
JOHN DAY       25 (POOR)
LA GRANDE      99 (POOR)
MADRAS         60 (POOR)
MEACHAM        62 (POOR)
PENDLETON      25 (POOR)
REDMOND       103 (POOR)
SENECA         27 (POOR)
THE DALLES     73 (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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