Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
443 AUUS46 KPDT 301146 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 446 AM PDT SUN JUN 30 2024 *** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR *** FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO 7:00 AM AFTERNOON SURFACE WINDS SW 8-15 MPH. W 14-19 MPH. TRANSPORT WINDS SW 8-15 MPH. W 14-19 MPH. MIXING HEIGHT NEAR SURFACE. 9500 FT MSL. DISPERSION CATEGORY FAIR. GOOD. OUTLOOK FOR MON JUL 1 GOOD. OUTLOOK FOR TUE JUL 2 FAIR. VENTILATION INDEX (CATEGORY) 246 (POOR). 983 (GOOD). OUTLOOK FOR MON JUL 1 830 (GOOD). OUTLOOK FOR TUE JUL 2 572 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS W 4-8 MPH. W 10-14 MPH. TRANSPORT WINDS W 5-10 MPH. W 12-16 MPH. MIXING HEIGHT NEAR SURFACE. 9500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR MON JUL 1 GOOD. OUTLOOK FOR TUE JUL 2 FAIR. VENTILATION INDEX (CATEGORY) 168 (POOR). 721 (GOOD). OUTLOOK FOR MON JUL 1 649 (GOOD). OUTLOOK FOR TUE JUL 2 353 (FAIR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS NW 4-8 MPH. NW 11-14 MPH. TRANSPORT WINDS W 7-12 MPH. W 12-15 MPH. MIXING HEIGHT 4500 FT MSL. 10000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR MON JUL 1 GOOD. OUTLOOK FOR TUE JUL 2 GOOD. VENTILATION INDEX (CATEGORY) 222 (POOR). 736 (GOOD). OUTLOOK FOR MON JUL 1 739 (GOOD). OUTLOOK FOR TUE JUL 2 423 (FAIR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SW 8-15 MPH. W 12-15 MPH. TRANSPORT WINDS SW 9-16 MPH. W 15-18 MPH. MIXING HEIGHT NEAR SURFACE. 8000 FT MSL. DISPERSION CATEGORY FAIR. GOOD. OUTLOOK FOR MON JUL 1 GOOD. OUTLOOK FOR TUE JUL 2 FAIR. VENTILATION INDEX (CATEGORY) 254 (POOR). 882 (GOOD). OUTLOOK FOR MON JUL 1 828 (GOOD). OUTLOOK FOR TUE JUL 2 524 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 864 (GOOD) ELLENSBURG 1050 (GOOD) GOLDENDALE 979 (GOOD) TRI-CITIES 862 (GOOD) WALLA WALLA 885 (GOOD) YAKIMA 740 (GOOD) BEND 508 (FAIR) PRINEVILLE 584 (FAIR) ENTERPRISE 623 (GOOD) HERMISTON 1036 (GOOD) JOHN DAY 773 (GOOD) LA GRANDE 832 (GOOD) MADRAS 522 (FAIR) MEACHAM 632 (GOOD) PENDLETON 1043 (GOOD) REDMOND 608 (GOOD) SENECA 757 (GOOD) THE DALLES 1030 (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. $$