Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 021330
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
530 AM PST MON MAR 2 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 2-6 MPH.       NW 8-10 MPH.
TRANSPORT WINDS               S-SW 2-6 MPH.       NW 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR TUE MAR 3         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          361 (FAIR).
OUTLOOK FOR TUE MAR 3         327 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 4-7 MPH.         NW 7-12 MPH.
TRANSPORT WINDS               NW 4-7 MPH.         N 8-12 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR TUE MAR 3         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          440 (FAIR).
OUTLOOK FOR TUE MAR 3         127 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 3-6 MPH.          NW 10-12 MPH.
TRANSPORT WINDS               S 3-6 MPH.          NW 5-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE MAR 3         GOOD.

VENTILATION INDEX (CATEGORY)  25 (POOR).          194 (POOR).
OUTLOOK FOR TUE MAR 3         488 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      151 (POOR)
ELLENSBURG    338 (FAIR)
GOLDENDALE    213 (POOR)
TRI-CITIES    531 (FAIR)
WALLA WALLA   223 (POOR)
YAKIMA        402 (FAIR)
BEND          305 (FAIR)
PRINEVILLE    344 (FAIR)
ENTERPRISE    172 (POOR)
HERMISTON     407 (FAIR)
JOHN DAY      202 (POOR)
LA GRANDE     220 (POOR)
MADRAS        420 (FAIR)
MEACHAM       249 (POOR)
PENDLETON     272 (POOR)
REDMOND       385 (FAIR)
SENECA        202 (POOR)
THE DALLES    187 (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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