Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 031200
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PST TUE MAR 3 2015

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 7-13 MPH.        N 5-10 MPH.
TRANSPORT WINDS               NW 7-13 MPH.        NE 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR WED MAR 4         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          251 (POOR).
OUTLOOK FOR WED MAR 4         105 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 0-5 MPH.          E 5-10 MPH.
TRANSPORT WINDS               W 0-5 MPH.          NW 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR WED MAR 4         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          130 (POOR).
OUTLOOK FOR WED MAR 4         106 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 10-20 MPH.       NW 5-10 MPH.
TRANSPORT WINDS               NW 10-20 MPH.       N 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           FAIR.               FAIR.
OUTLOOK FOR WED MAR 4         POOR.

VENTILATION INDEX (CATEGORY)  26 (POOR).          463 (FAIR).
OUTLOOK FOR WED MAR 4         60 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       90 (POOR)
ELLENSBURG     82 (POOR)
GOLDENDALE    103 (POOR)
TRI-CITIES    218 (POOR)
WALLA WALLA   167 (POOR)
YAKIMA         88 (POOR)
BEND           61 (POOR)
PRINEVILLE    145 (POOR)
ENTERPRISE    306 (FAIR)
HERMISTON     263 (POOR)
JOHN DAY      305 (FAIR)
LA GRANDE     509 (FAIR)
MADRAS        132 (POOR)
MEACHAM       317 (FAIR)
PENDLETON     238 (POOR)
REDMOND       121 (POOR)
SENECA        333 (FAIR)
THE DALLES    188 (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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