396
AUUS46 KPDT 091247
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
447 AM PST SAT NOV 9 2024

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SE 2-5 MPH.         W 3-7 MPH.
TRANSPORT WINDS               S 2-5 MPH.          SW 3-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       NEAR SURFACE.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SUN NOV 10        POOR.
OUTLOOK FOR MON NOV 11        GOOD.

VENTILATION INDEX (CATEGORY)  25 (POOR).          34 (POOR).
OUTLOOK FOR SUN NOV 10        183 (POOR).
OUTLOOK FOR MON NOV 11        310 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 2-4 MPH.         SE 2-4 MPH.
TRANSPORT WINDS               NW 2-4 MPH.         S 3-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SUN NOV 10        POOR.
OUTLOOK FOR MON NOV 11        GOOD.

VENTILATION INDEX (CATEGORY)  25 (POOR).          36 (POOR).
OUTLOOK FOR SUN NOV 10        84 (POOR).
OUTLOOK FOR MON NOV 11        387 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 8-14 MPH.         S 11-16 MPH.
TRANSPORT WINDS               S 8-14 MPH.         S 12-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SUN NOV 10        FAIR.
OUTLOOK FOR MON NOV 11        GOOD.

VENTILATION INDEX (CATEGORY)  63 (POOR).          170 (POOR).
OUTLOOK FOR SUN NOV 10        189 (POOR).
OUTLOOK FOR MON NOV 11        377 (FAIR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-9 MPH.          W 3-7 MPH.
TRANSPORT WINDS               S 4-9 MPH.          SW 4-9 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SUN NOV 10        FAIR.
OUTLOOK FOR MON NOV 11        GOOD.

VENTILATION INDEX (CATEGORY)  27 (POOR).          46 (POOR).
OUTLOOK FOR SUN NOV 10        259 (POOR).
OUTLOOK FOR MON NOV 11        221 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      111 (POOR)
ELLENSBURG     45 (POOR)
GOLDENDALE    139 (POOR)
TRI-CITIES     36 (POOR)
WALLA WALLA    30 (POOR)
YAKIMA         34 (POOR)
BEND          195 (POOR)
PRINEVILLE     94 (POOR)
ENTERPRISE     57 (POOR)
HERMISTON      29 (POOR)
JOHN DAY      157 (POOR)
LA GRANDE     124 (POOR)
MADRAS        106 (POOR)
MEACHAM        42 (POOR)
PENDLETON      31 (POOR)
REDMOND        81 (POOR)
SENECA        185 (POOR)
THE DALLES     75 (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/GFORECAST/GINDEX.PHP?FCST=MIXHGT,VENTCAT,TRANSWIND,VENTINDX&VT=0,72

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$