Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 161334
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
600 AM PST MON JAN 16 2017

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NE 3-6 MPH.         NW 3-6 MPH.
TRANSPORT WINDS               NNE 4-7 MPH.        N 4-7 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE JAN 17        POOR.

VENTILATION INDEX (CATEGORY)  26 (POOR).          27 (POOR).
OUTLOOK FOR TUE JAN 17        26 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SSE 3-6 MPH.        SE 3-6 MPH.
TRANSPORT WINDS               SE 4-8 MPH.         E 4-7 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE JAN 17        POOR.

VENTILATION INDEX (CATEGORY)  26 (POOR).          27 (POOR).
OUTLOOK FOR TUE JAN 17        27 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-8 MPH.          S 6-12 MPH.
TRANSPORT WINDS               S 4-8 MPH.          S 7-14 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR TUE JAN 17        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          45 (POOR).
OUTLOOK FOR TUE JAN 17        71 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       25 (POOR)
ELLENSBURG     25 (POOR)
GOLDENDALE     25 (POOR)
TRI-CITIES     25 (POOR)
WALLA WALLA    25 (POOR)
YAKIMA         25 (POOR)
BEND           25 (POOR)
PRINEVILLE     25 (POOR)
ENTERPRISE     25 (POOR)
HERMISTON      36 (POOR)
JOHN DAY       25 (POOR)
LA GRANDE      56 (POOR)
MADRAS         25 (POOR)
MEACHAM        25 (POOR)
PENDLETON      25 (POOR)
REDMOND        25 (POOR)
SENECA         25 (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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