Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
647 AUUS46 KPDT 191210 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 510 AM PDT WED JUN 19 2024 *** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR *** FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO 7:00 AM AFTERNOON SURFACE WINDS NE 3-7 MPH. NE 6-11 MPH. TRANSPORT WINDS E 4-8 MPH. NE 7-11 MPH. MIXING HEIGHT NEAR SURFACE. 7500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR THU JUN 20 FAIR. OUTLOOK FOR FRI JUN 21 FAIR. VENTILATION INDEX (CATEGORY) 58 (POOR). 514 (FAIR). OUTLOOK FOR THU JUN 20 361 (FAIR). OUTLOOK FOR FRI JUN 21 374 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS NW 2-5 MPH. E 5-9 MPH. TRANSPORT WINDS N 5-7 MPH. E 7-9 MPH. MIXING HEIGHT NEAR SURFACE. 8500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR THU JUN 20 FAIR. OUTLOOK FOR FRI JUN 21 FAIR. VENTILATION INDEX (CATEGORY) 79 (POOR). 548 (FAIR). OUTLOOK FOR THU JUN 20 617 (GOOD). OUTLOOK FOR FRI JUN 21 172 (POOR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS NE 2-4 MPH. SE 3-6 MPH. TRANSPORT WINDS E 3-5 MPH. S 7-11 MPH. MIXING HEIGHT 4000 FT MSL. 12000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR THU JUN 20 GOOD. OUTLOOK FOR FRI JUN 21 GOOD. VENTILATION INDEX (CATEGORY) 59 (POOR). 710 (GOOD). OUTLOOK FOR THU JUN 20 345 (FAIR). OUTLOOK FOR FRI JUN 21 463 (FAIR). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SE 4-8 MPH. N 5-9 MPH. TRANSPORT WINDS SE 7-10 MPH. N 4-12 MPH. MIXING HEIGHT NEAR SURFACE. 7500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR THU JUN 20 FAIR. OUTLOOK FOR FRI JUN 21 FAIR. VENTILATION INDEX (CATEGORY) 74 (POOR). 344 (FAIR). OUTLOOK FOR THU JUN 20 271 (POOR). OUTLOOK FOR FRI JUN 21 305 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 732 (GOOD) ELLENSBURG 647 (GOOD) GOLDENDALE 758 (GOOD) TRI-CITIES 528 (FAIR) WALLA WALLA 291 (POOR) YAKIMA 550 (FAIR) BEND 438 (FAIR) PRINEVILLE 329 (FAIR) ENTERPRISE 604 (GOOD) HERMISTON 560 (FAIR) JOHN DAY 1046 (GOOD) LA GRANDE 791 (GOOD) MADRAS 220 (POOR) MEACHAM 223 (POOR) PENDLETON 563 (FAIR) REDMOND 280 (POOR) SENECA 1050 (GOOD) THE DALLES 675 (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. $$