Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
009 AUUS46 KPDT 061148 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 448 AM PDT SAT JUL 6 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 4-9 MPH. NW 7-10 MPH. TRANSPORT WINDS SW 4-9 MPH. NW 8-11 MPH. MIXING HEIGHT NEAR SURFACE. 8500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SUN JUL 7 POOR. OUTLOOK FOR MON JUL 8 FAIR. VENTILATION INDEX (CATEGORY) 77 (POOR). 493 (FAIR). OUTLOOK FOR SUN JUL 7 256 (POOR). OUTLOOK FOR MON JUL 8 286 (POOR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS W 5-11 MPH. NW 5-10 MPH. TRANSPORT WINDS NW 5-11 MPH. NW 7-9 MPH. MIXING HEIGHT NEAR SURFACE. 9500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SUN JUL 7 FAIR. OUTLOOK FOR MON JUL 8 POOR. VENTILATION INDEX (CATEGORY) 93 (POOR). 465 (FAIR). OUTLOOK FOR SUN JUL 7 289 (POOR). OUTLOOK FOR MON JUL 8 221 (POOR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS SW 2-4 MPH. NW 12-16 MPH. TRANSPORT WINDS SW 5-7 MPH. NW 15-18 MPH. MIXING HEIGHT 4000 FT MSL. 10000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SUN JUL 7 GOOD. OUTLOOK FOR MON JUL 8 GOOD. VENTILATION INDEX (CATEGORY) 93 (POOR). 827 (GOOD). OUTLOOK FOR SUN JUL 7 173 (POOR). OUTLOOK FOR MON JUL 8 367 (FAIR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS S 6-12 MPH. NW 8-11 MPH. TRANSPORT WINDS SW 6-12 MPH. NW 9-13 MPH. MIXING HEIGHT NEAR SURFACE. 8000 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SUN JUL 7 POOR. OUTLOOK FOR MON JUL 8 FAIR. VENTILATION INDEX (CATEGORY) 115 (POOR). 555 (FAIR). OUTLOOK FOR SUN JUL 7 230 (POOR). OUTLOOK FOR MON JUL 8 327 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 551 (FAIR) ELLENSBURG 631 (GOOD) GOLDENDALE 453 (FAIR) TRI-CITIES 491 (FAIR) WALLA WALLA 466 (FAIR) YAKIMA 506 (FAIR) BEND 1009 (GOOD) PRINEVILLE 851 (GOOD) ENTERPRISE 1033 (GOOD) HERMISTON 442 (FAIR) JOHN DAY 1050 (GOOD) LA GRANDE 909 (GOOD) MADRAS 728 (GOOD) MEACHAM 531 (FAIR) PENDLETON 552 (FAIR) REDMOND 854 (GOOD) SENECA 1050 (GOOD) THE DALLES 567 (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. $$