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114
AUUS46 KPDT 261353
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
553 AM PST MON JAN 26 2015

...WIND ADVISORY REMAINS IN EFFECT FOR THE GRANDE RONDE RIVER
VALLEY UNTIL 3 PM PST THIS AFTERNOON...

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NE 2-9 MPH.       NW 2-5 MPH.
TRANSPORT WINDS               N-NE 2-9 MPH.       SW 2-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE JAN 27        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          39 (POOR).
OUTLOOK FOR TUE JAN 27        47 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NE 2-5 MPH.       E 2-4 MPH.
TRANSPORT WINDS               N-NE 2-5 MPH.       E 2-4 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE JAN 27        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          32 (POOR).
OUTLOOK FOR TUE JAN 27        30 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 25-45 MPH.        S 18-32 MPH.
TRANSPORT WINDS               S 25-45 MPH.        S 13-20 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           FAIR.               POOR.
OUTLOOK FOR TUE JAN 27        POOR.

VENTILATION INDEX (CATEGORY)  26 (POOR).          129 (POOR).
OUTLOOK FOR TUE JAN 27        50 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       25 (POOR)
ELLENSBURG     25 (POOR)
GOLDENDALE     27 (POOR)
TRI-CITIES     25 (POOR)
WALLA WALLA    70 (POOR)
YAKIMA         26 (POOR)
BEND           60 (POOR)
PRINEVILLE     86 (POOR)
ENTERPRISE     56 (POOR)
HERMISTON      26 (POOR)
JOHN DAY       66 (POOR)
LA GRANDE     150 (POOR)
MADRAS         76 (POOR)
MEACHAM        76 (POOR)
PENDLETON      48 (POOR)
REDMOND        91 (POOR)
SENECA         39 (POOR)
THE DALLES     25 (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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