Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 011310 CCA
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
506 AM PST SUN MAR 1 2015

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S-SW 2-5 MPH.       W 1-4 MPH.
TRANSPORT WINDS               S-SW 2-5 MPH.       SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          66 (POOR).
OUTLOOK FOR MON MAR 2         365 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NW 2-5 MPH.       SE 2-5 MPH.
TRANSPORT WINDS               N-NW 2-5 MPH.       SW 5-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          99 (POOR).
OUTLOOK FOR MON MAR 2         343 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 2-3 MPH.          S 6-8 MPH.
TRANSPORT WINDS               S 2-3 MPH.          SW 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          80 (POOR).
OUTLOOK FOR MON MAR 2         273 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       84 (POOR)
ELLENSBURG    133 (POOR)
GOLDENDALE     90 (POOR)
TRI-CITIES     64 (POOR)
WALLA WALLA    81 (POOR)
YAKIMA        121 (POOR)
BEND           59 (POOR)
PRINEVILLE     60 (POOR)
ENTERPRISE     68 (POOR)
HERMISTON      60 (POOR)
JOHN DAY       88 (POOR)
LA GRANDE      84 (POOR)
MADRAS         62 (POOR)
MEACHAM        73 (POOR)
PENDLETON      57 (POOR)
REDMOND        65 (POOR)
SENECA         98 (POOR)
THE DALLES     97 (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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