Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
731 AUUS46 KPDT 291155 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 455 AM PDT SAT JUN 29 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 3-7 MPH. N 5-10 MPH. TRANSPORT WINDS SW 3-7 MPH. NW 5-10 MPH. MIXING HEIGHT NEAR SURFACE. 5500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SUN JUN 30 GOOD. OUTLOOK FOR MON JUL 1 GOOD. VENTILATION INDEX (CATEGORY) 45 (POOR). 246 (POOR). OUTLOOK FOR SUN JUN 30 910 (GOOD). OUTLOOK FOR MON JUL 1 919 (GOOD). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS NW 3-7 MPH. S 5-7 MPH. TRANSPORT WINDS NW 3-7 MPH. SW 6-8 MPH. MIXING HEIGHT NEAR SURFACE. 7500 FT MSL. DISPERSION CATEGORY POOR. POOR. OUTLOOK FOR SUN JUN 30 FAIR. OUTLOOK FOR MON JUL 1 FAIR. VENTILATION INDEX (CATEGORY) 51 (POOR). 233 (POOR). OUTLOOK FOR SUN JUN 30 599 (FAIR). OUTLOOK FOR MON JUL 1 584 (FAIR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS NW 1-3 MPH. N 5-10 MPH. TRANSPORT WINDS N 2-4 MPH. S 9-13 MPH. MIXING HEIGHT 4000 FT MSL. 8500 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SUN JUN 30 GOOD. OUTLOOK FOR MON JUL 1 GOOD. VENTILATION INDEX (CATEGORY) 38 (POOR). 234 (POOR). OUTLOOK FOR SUN JUN 30 620 (GOOD). OUTLOOK FOR MON JUL 1 819 (GOOD). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SE 3-7 MPH. N 5-10 MPH. TRANSPORT WINDS S 3-7 MPH. NW 5-10 MPH. MIXING HEIGHT NEAR SURFACE. 5000 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SUN JUN 30 GOOD. OUTLOOK FOR MON JUL 1 GOOD. VENTILATION INDEX (CATEGORY) 44 (POOR). 181 (POOR). OUTLOOK FOR SUN JUN 30 820 (GOOD). OUTLOOK FOR MON JUL 1 886 (GOOD). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 436 (FAIR) ELLENSBURG 411 (FAIR) GOLDENDALE 486 (FAIR) TRI-CITIES 206 (POOR) WALLA WALLA 157 (POOR) YAKIMA 251 (POOR) BEND 425 (FAIR) PRINEVILLE 520 (FAIR) ENTERPRISE 480 (FAIR) HERMISTON 221 (POOR) JOHN DAY 410 (FAIR) LA GRANDE 151 (POOR) MADRAS 308 (FAIR) MEACHAM 116 (POOR) PENDLETON 238 (POOR) REDMOND 564 (FAIR) SENECA 801 (GOOD) THE DALLES 585 (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. $$