Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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000
AUUS46 KPDT 011252
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
444 AM PST SUN FEB 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                 VRB 3-6 MPH.        S 3-6 MPH.
TRANSPORT WINDS               VRB 3-6 MPH.        SW 5-9 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON FEB 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          122 (POOR).
OUTLOOK FOR MON FEB 2         169 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-6 MPH.          SE 2-5 MPH.
TRANSPORT WINDS               W 3-6 MPH.          SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON FEB 2         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          110 (POOR).
OUTLOOK FOR MON FEB 2         115 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 1-4 MPH.        S 5-10 MPH.
TRANSPORT WINDS               VRB 1-4 MPH.        S 6-12 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON FEB 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          207 (POOR).
OUTLOOK FOR MON FEB 2         254 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       85 (POOR)
ELLENSBURG     84 (POOR)
GOLDENDALE     92 (POOR)
TRI-CITIES    121 (POOR)
WALLA WALLA   129 (POOR)
YAKIMA        116 (POOR)
BEND          175 (POOR)
PRINEVILLE    165 (POOR)
ENTERPRISE    142 (POOR)
HERMISTON      89 (POOR)
JOHN DAY      202 (POOR)
LA GRANDE     201 (POOR)
MADRAS        178 (POOR)
MEACHAM       128 (POOR)
PENDLETON      95 (POOR)
REDMOND       158 (POOR)
SENECA        215 (POOR)
THE DALLES     86 (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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