Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 301100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT MON MAY 30 2016

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW-NW 3-7 MPH.      NE 5-10 MPH.
TRANSPORT WINDS               SW-NW 3-7 MPH.      NE 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR TUE MAY 31        FAIR.

VENTILATION INDEX (CATEGORY)  120 (POOR).         141 (POOR).
OUTLOOK FOR TUE MAY 31        393 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 5-10 MPH.        E 5-10 MPH.
TRANSPORT WINDS               NW 5-10 MPH.        NW 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE MAY 31        POOR.

VENTILATION INDEX (CATEGORY)  108 (POOR).         201 (POOR).
OUTLOOK FOR TUE MAY 31        268 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 5-10 MPH.        NW 5-10 MPH.
TRANSPORT WINDS               NW 5-10 MPH.        NW 12-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE MAY 31        GOOD.

VENTILATION INDEX (CATEGORY)  110 (POOR).         294 (POOR).
OUTLOOK FOR TUE MAY 31        320 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      156 (POOR)
ELLENSBURG    183 (POOR)
GOLDENDALE     74 (POOR)
TRI-CITIES    152 (POOR)
WALLA WALLA   161 (POOR)
YAKIMA        205 (POOR)
BEND          243 (POOR)
PRINEVILLE    260 (POOR)
ENTERPRISE    307 (FAIR)
HERMISTON      98 (POOR)
JOHN DAY      376 (FAIR)
LA GRANDE     295 (POOR)
MADRAS        218 (POOR)
MEACHAM       231 (POOR)
PENDLETON     134 (POOR)
REDMOND       264 (POOR)
SENECA        402 (FAIR)
THE DALLES     32 (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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