Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
464 AUUS46 KPDT 271140 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 440 AM PDT THU JUN 27 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 17-29 MPH. W 20-25 MPH. TRANSPORT WINDS SW 17-27 MPH. W 19-24 MPH. MIXING HEIGHT 2500 FT MSL. 8500 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR FRI JUN 28 POOR. OUTLOOK FOR SAT JUN 29 FAIR. VENTILATION INDEX (CATEGORY) 547 (FAIR). 1050 (GOOD). OUTLOOK FOR FRI JUN 28 182 (POOR). OUTLOOK FOR SAT JUN 29 342 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS W 8-15 MPH. W 14-19 MPH. TRANSPORT WINDS W 8-16 MPH. W 15-20 MPH. MIXING HEIGHT 2500 FT MSL. 8500 FT MSL. DISPERSION CATEGORY FAIR. GOOD. OUTLOOK FOR FRI JUN 28 POOR. OUTLOOK FOR SAT JUN 29 POOR. VENTILATION INDEX (CATEGORY) 376 (FAIR). 1031 (GOOD). OUTLOOK FOR FRI JUN 28 201 (POOR). OUTLOOK FOR SAT JUN 29 261 (POOR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS W 8-14 MPH. NW 12-17 MPH. TRANSPORT WINDS W 8-14 MPH. W 12-18 MPH. MIXING HEIGHT 6000 FT MSL. 10000 FT MSL. DISPERSION CATEGORY FAIR. GOOD. OUTLOOK FOR FRI JUN 28 GOOD. OUTLOOK FOR SAT JUN 29 GOOD. VENTILATION INDEX (CATEGORY) 508 (FAIR). 981 (GOOD). OUTLOOK FOR FRI JUN 28 208 (POOR). OUTLOOK FOR SAT JUN 29 262 (POOR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SW 16-28 MPH. W 17-23 MPH. TRANSPORT WINDS SW 17-25 MPH. W 17-22 MPH. MIXING HEIGHT 3000 FT MSL. 7500 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR FRI JUN 28 POOR. OUTLOOK FOR SAT JUN 29 FAIR. VENTILATION INDEX (CATEGORY) 559 (FAIR). 1038 (GOOD). OUTLOOK FOR FRI JUN 28 166 (POOR). OUTLOOK FOR SAT JUN 29 294 (POOR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 894 (GOOD) ELLENSBURG 1050 (GOOD) GOLDENDALE 1030 (GOOD) TRI-CITIES 1050 (GOOD) WALLA WALLA 1050 (GOOD) YAKIMA 929 (GOOD) BEND 503 (FAIR) PRINEVILLE 682 (GOOD) ENTERPRISE 1040 (GOOD) HERMISTON 1050 (GOOD) JOHN DAY 984 (GOOD) LA GRANDE 1045 (GOOD) MADRAS 631 (GOOD) MEACHAM 825 (GOOD) PENDLETON 1050 (GOOD) REDMOND 680 (GOOD) SENECA 867 (GOOD) THE DALLES 1050 (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. $$