![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
218 AUUS46 KPDT 171214 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 514 AM PDT SAT AUG 17 2024 *** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR *** FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO 7:00 AM AFTERNOON SURFACE WINDS NE 3-6 MPH. NE 10-15 MPH. TRANSPORT WINDS NE 3-6 MPH. E 12-20 MPH. MIXING HEIGHT NEAR SURFACE. 9000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SUN AUG 18 FAIR. OUTLOOK FOR MON AUG 19 FAIR. VENTILATION INDEX (CATEGORY) 25 (POOR). 588 (FAIR). OUTLOOK FOR SUN AUG 18 557 (FAIR). OUTLOOK FOR MON AUG 19 424 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS NW 3-6 MPH. NE 10-15 MPH. TRANSPORT WINDS NE 4-7 MPH. E 15-20 MPH. MIXING HEIGHT NEAR SURFACE. 8000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SUN AUG 18 GOOD. OUTLOOK FOR MON AUG 19 FAIR. VENTILATION INDEX (CATEGORY) 36 (POOR). 679 (GOOD). OUTLOOK FOR SUN AUG 18 916 (GOOD). OUTLOOK FOR MON AUG 19 432 (FAIR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS E 2-4 MPH. SE 6-12 MPH. TRANSPORT WINDS E 2-5 MPH. SE 12-20 MPH. MIXING HEIGHT NEAR SURFACE. 14000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SUN AUG 18 GOOD. OUTLOOK FOR MON AUG 19 GOOD. VENTILATION INDEX (CATEGORY) 27 (POOR). 907 (GOOD). OUTLOOK FOR SUN AUG 18 972 (GOOD). OUTLOOK FOR MON AUG 19 398 (FAIR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS NE 2-5 MPH. NE 8-14 MPH. TRANSPORT WINDS NE 3-6 MPH. E 12-18 MPH. MIXING HEIGHT NEAR SURFACE. 10500 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SUN AUG 18 FAIR. OUTLOOK FOR MON AUG 19 FAIR. VENTILATION INDEX (CATEGORY) 27 (POOR). 665 (GOOD). OUTLOOK FOR SUN AUG 18 447 (FAIR). OUTLOOK FOR MON AUG 19 338 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 591 (FAIR) ELLENSBURG 677 (GOOD) GOLDENDALE 810 (GOOD) TRI-CITIES 665 (GOOD) WALLA WALLA 546 (FAIR) YAKIMA 736 (GOOD) BEND 695 (GOOD) PRINEVILLE 708 (GOOD) ENTERPRISE 1050 (GOOD) HERMISTON 616 (GOOD) JOHN DAY 1050 (GOOD) LA GRANDE 1034 (GOOD) MADRAS 368 (FAIR) MEACHAM 1050 (GOOD) PENDLETON 542 (FAIR) REDMOND 524 (FAIR) SENECA 1050 (GOOD) THE DALLES 656 (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: 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. $$