Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
709 AUUS46 KPDT 031115 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 415 AM PDT WED JUL 3 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 7-14 MPH. W 5-10 MPH. TRANSPORT WINDS SW 10-15 MPH. NW 5-10 MPH. MIXING HEIGHT NEAR SURFACE. 8000 FT MSL. DISPERSION CATEGORY FAIR. FAIR. OUTLOOK FOR THU JUL 4 POOR. OUTLOOK FOR FRI JUL 5 FAIR. VENTILATION INDEX (CATEGORY) 133 (POOR). 420 (FAIR). OUTLOOK FOR THU JUL 4 249 (POOR). OUTLOOK FOR FRI JUL 5 373 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS W 4-8 MPH. SW 4-8 MPH. TRANSPORT WINDS NW 5-13 MPH. NW 5-9 MPH. MIXING HEIGHT NEAR SURFACE. 8500 FT MSL. DISPERSION CATEGORY POOR. POOR. OUTLOOK FOR THU JUL 4 POOR. OUTLOOK FOR FRI JUL 5 FAIR. VENTILATION INDEX (CATEGORY) 81 (POOR). 292 (POOR). OUTLOOK FOR THU JUL 4 107 (POOR). OUTLOOK FOR FRI JUL 5 166 (POOR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS N 2-5 MPH. NW 9-13 MPH. TRANSPORT WINDS W 6-10 MPH. NW 9-13 MPH. MIXING HEIGHT NEAR SURFACE. 9500 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR THU JUL 4 GOOD. OUTLOOK FOR FRI JUL 5 GOOD. VENTILATION INDEX (CATEGORY) 131 (POOR). 543 (FAIR). OUTLOOK FOR THU JUL 4 244 (POOR). OUTLOOK FOR FRI JUL 5 451 (FAIR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SW 6-13 MPH. W 7-10 MPH. TRANSPORT WINDS SW 10-18 MPH. NW 7-10 MPH. MIXING HEIGHT NEAR SURFACE. 7000 FT MSL. DISPERSION CATEGORY FAIR. FAIR. OUTLOOK FOR THU JUL 4 POOR. OUTLOOK FOR FRI JUL 5 FAIR. VENTILATION INDEX (CATEGORY) 155 (POOR). 404 (FAIR). OUTLOOK FOR THU JUL 4 288 (POOR). OUTLOOK FOR FRI JUL 5 443 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 491 (FAIR) ELLENSBURG 733 (GOOD) GOLDENDALE 485 (FAIR) TRI-CITIES 364 (FAIR) WALLA WALLA 323 (FAIR) YAKIMA 270 (POOR) BEND 230 (POOR) PRINEVILLE 406 (FAIR) ENTERPRISE 570 (FAIR) HERMISTON 330 (FAIR) JOHN DAY 631 (GOOD) LA GRANDE 552 (FAIR) MADRAS 305 (FAIR) MEACHAM 308 (FAIR) PENDLETON 366 (FAIR) REDMOND 366 (FAIR) SENECA 655 (GOOD) THE DALLES 359 (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. $$