Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
579 AUUS46 KPDT 051151 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 451 AM PDT FRI JUL 5 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. W 6-8 MPH. TRANSPORT WINDS S 3-7 MPH. NW 7-9 MPH. MIXING HEIGHT NEAR SURFACE. 8000 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SAT JUL 6 FAIR. OUTLOOK FOR SUN JUL 7 FAIR. VENTILATION INDEX (CATEGORY) 40 (POOR). 362 (FAIR). OUTLOOK FOR SAT JUL 6 385 (FAIR). OUTLOOK FOR SUN JUL 7 336 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS NW 3-8 MPH. SW 4-8 MPH. TRANSPORT WINDS NW 3-8 MPH. NW 5-10 MPH. MIXING HEIGHT NEAR SURFACE. 8500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SAT JUL 6 FAIR. OUTLOOK FOR SUN JUL 7 FAIR. VENTILATION INDEX (CATEGORY) 60 (POOR). 335 (FAIR). OUTLOOK FOR SAT JUL 6 328 (FAIR). OUTLOOK FOR SUN JUL 7 271 (POOR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS NW 1-3 MPH. NW 8-10 MPH. TRANSPORT WINDS NW 3-5 MPH. NW 10-12 MPH. MIXING HEIGHT 4000 FT MSL. 10000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR SAT JUL 6 GOOD. OUTLOOK FOR SUN JUL 7 GOOD. VENTILATION INDEX (CATEGORY) 54 (POOR). 526 (FAIR). OUTLOOK FOR SAT JUL 6 696 (GOOD). OUTLOOK FOR SUN JUL 7 283 (POOR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SE 4-8 MPH. W 7-10 MPH. TRANSPORT WINDS S 4-8 MPH. NW 7-10 MPH. MIXING HEIGHT NEAR SURFACE. 7000 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR SAT JUL 6 FAIR. OUTLOOK FOR SUN JUL 7 POOR. VENTILATION INDEX (CATEGORY) 51 (POOR). 391 (FAIR). OUTLOOK FOR SAT JUL 6 413 (FAIR). OUTLOOK FOR SUN JUL 7 340 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 651 (GOOD) ELLENSBURG 660 (GOOD) GOLDENDALE 283 (POOR) TRI-CITIES 346 (FAIR) WALLA WALLA 338 (FAIR) YAKIMA 405 (FAIR) BEND 237 (POOR) PRINEVILLE 275 (POOR) ENTERPRISE 597 (FAIR) HERMISTON 291 (POOR) JOHN DAY 620 (GOOD) LA GRANDE 551 (FAIR) MADRAS 147 (POOR) MEACHAM 344 (FAIR) PENDLETON 365 (FAIR) REDMOND 167 (POOR) SENECA 722 (GOOD) THE DALLES 134 (POOR) 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. $$