044
AUUS46 KPDT 141225
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
525 AM PDT SUN JUN 14 2026
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS N 2-8 MPH. NE 11-15 MPH.
TRANSPORT WINDS NE 4-9 MPH. NE 12-16 MPH.
MIXING HEIGHT NEAR SURFACE. 8500 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR MON JUN 15 FAIR.
OUTLOOK FOR TUE JUN 16 GOOD.
VENTILATION INDEX (CATEGORY) 78 (POOR). 806 (GOOD).
OUTLOOK FOR MON JUN 15 409 (FAIR).
OUTLOOK FOR TUE JUN 16 1050 (GOOD).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 3-7 MPH. NE 6-10 MPH.
TRANSPORT WINDS N 5-10 MPH. NE 10-13 MPH.
MIXING HEIGHT NEAR SURFACE. 8500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR MON JUN 15 FAIR.
OUTLOOK FOR TUE JUN 16 GOOD.
VENTILATION INDEX (CATEGORY) 124 (POOR). 800 (GOOD).
OUTLOOK FOR MON JUN 15 294 (POOR).
OUTLOOK FOR TUE JUN 16 995 (GOOD).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS NW 2-4 MPH. N 7-13 MPH.
TRANSPORT WINDS N 7-9 MPH. N 9-13 MPH.
MIXING HEIGHT NEAR SURFACE. 9000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR MON JUN 15 FAIR.
OUTLOOK FOR TUE JUN 16 GOOD.
VENTILATION INDEX (CATEGORY) 107 (POOR). 532 (FAIR).
OUTLOOK FOR MON JUN 15 320 (FAIR).
OUTLOOK FOR TUE JUN 16 1049 (GOOD).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS E 1-5 MPH. N 10-15 MPH.
TRANSPORT WINDS E 5-10 MPH. N 11-14 MPH.
MIXING HEIGHT NEAR SURFACE. 7000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR MON JUN 15 FAIR.
OUTLOOK FOR TUE JUN 16 GOOD.
VENTILATION INDEX (CATEGORY) 68 (POOR). 567 (FAIR).
OUTLOOK FOR MON JUN 15 357 (FAIR).
OUTLOOK FOR TUE JUN 16 1050 (GOOD).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 446 (FAIR)
ELLENSBURG 523 (FAIR)
GOLDENDALE 882 (GOOD)
TRI-CITIES 937 (GOOD)
WALLA WALLA 557 (FAIR)
YAKIMA 745 (GOOD)
BEND 393 (FAIR)
PRINEVILLE 516 (FAIR)
ENTERPRISE 359 (FAIR)
HERMISTON 832 (GOOD)
JOHN DAY 422 (FAIR)
LA GRANDE 488 (FAIR)
MADRAS 791 (GOOD)
MEACHAM 388 (FAIR)
PENDLETON 676 (GOOD)
REDMOND 598 (FAIR)
SENECA 393 (FAIR)
THE DALLES 973 (GOOD)
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:
HTTPS://WWW.WEATHER.GOV/PDT/DSSBRIEFING
IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
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