850
AUUS46 KPDT 141138
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
338 AM PST THU NOV 14 2024

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 12-25 MPH.        SW 10-17 MPH.
TRANSPORT WINDS               S 14-24 MPH.        SW 17-21 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR FRI NOV 15        FAIR.
OUTLOOK FOR SAT NOV 16        FAIR.

VENTILATION INDEX (CATEGORY)  73 (POOR).          609 (GOOD).
OUTLOOK FOR FRI NOV 15        191 (POOR).
OUTLOOK FOR SAT NOV 16        463 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 7-14 MPH.         SW 8-14 MPH.
TRANSPORT WINDS               S 11-18 MPH.        W 14-20 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           FAIR.               FAIR.
OUTLOOK FOR FRI NOV 15        POOR.
OUTLOOK FOR SAT NOV 16        POOR.

VENTILATION INDEX (CATEGORY)  71 (POOR).          432 (FAIR).
OUTLOOK FOR FRI NOV 15        162 (POOR).
OUTLOOK FOR SAT NOV 16        92 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 11-14 MPH.        S 8-11 MPH.
TRANSPORT WINDS               S 11-14 MPH.        S 12-16 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR FRI NOV 15        FAIR.
OUTLOOK FOR SAT NOV 16        FAIR.

VENTILATION INDEX (CATEGORY)  93 (POOR).          356 (FAIR).
OUTLOOK FOR FRI NOV 15        322 (FAIR).
OUTLOOK FOR SAT NOV 16        205 (POOR).

FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 12-26 MPH.        SW 8-17 MPH.
TRANSPORT WINDS               SW 15-25 MPH.       SW 14-23 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5000 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR FRI NOV 15        POOR.
OUTLOOK FOR SAT NOV 16        FAIR.

VENTILATION INDEX (CATEGORY)  110 (POOR).         665 (GOOD).
OUTLOOK FOR FRI NOV 15        184 (POOR).
OUTLOOK FOR SAT NOV 16        422 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      369 (FAIR)
ELLENSBURG    200 (POOR)
GOLDENDALE    338 (FAIR)
TRI-CITIES    517 (FAIR)
WALLA WALLA   757 (GOOD)
YAKIMA        265 (POOR)
BEND          455 (FAIR)
PRINEVILLE    486 (FAIR)
ENTERPRISE    372 (FAIR)
HERMISTON     584 (FAIR)
JOHN DAY      408 (FAIR)
LA GRANDE     310 (FAIR)
MADRAS        488 (FAIR)
MEACHAM       432 (FAIR)
PENDLETON     590 (FAIR)
REDMOND       420 (FAIR)
SENECA        367 (FAIR)
THE DALLES    331 (FAIR)

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.
$$