Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
551 AUUS46 KPDT 061155 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 455 AM PDT MON MAY 6 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 10-20 MPH. W 20-30 MPH. TRANSPORT WINDS SW 15-25 MPH. W 25-35 MPH. MIXING HEIGHT NEAR SURFACE. 7500 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR TUE MAY 7 GOOD. OUTLOOK FOR WED MAY 8 FAIR. VENTILATION INDEX (CATEGORY) 176 (POOR). 1048 (GOOD). OUTLOOK FOR TUE MAY 7 1050 (GOOD). OUTLOOK FOR WED MAY 8 492 (FAIR). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS S 5-10 MPH. W 15-25 MPH. TRANSPORT WINDS SW 8-15 MPH. W 20-30 MPH. MIXING HEIGHT NEAR SURFACE. 9000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR TUE MAY 7 GOOD. OUTLOOK FOR WED MAY 8 FAIR. VENTILATION INDEX (CATEGORY) 242 (POOR). 1050 (GOOD). OUTLOOK FOR TUE MAY 7 1050 (GOOD). OUTLOOK FOR WED MAY 8 483 (FAIR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS W 5-10 MPH. W 10-15 MPH. TRANSPORT WINDS W 8-14 MPH. W 15-20 MPH. MIXING HEIGHT NEAR SURFACE. 7500 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR TUE MAY 7 GOOD. OUTLOOK FOR WED MAY 8 FAIR. VENTILATION INDEX (CATEGORY) 130 (POOR). 663 (GOOD). OUTLOOK FOR TUE MAY 7 1050 (GOOD). OUTLOOK FOR WED MAY 8 654 (GOOD). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SW 10-20 MPH. SW 15-25 MPH. TRANSPORT WINDS SW 15-25 MPH. W 20-35 MPH. MIXING HEIGHT NEAR SURFACE. 6000 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR TUE MAY 7 GOOD. OUTLOOK FOR WED MAY 8 FAIR. VENTILATION INDEX (CATEGORY) 168 (POOR). 942 (GOOD). OUTLOOK FOR TUE MAY 7 1050 (GOOD). OUTLOOK FOR WED MAY 8 479 (FAIR). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 994 (GOOD) ELLENSBURG 1050 (GOOD) GOLDENDALE 1050 (GOOD) TRI-CITIES 1050 (GOOD) WALLA WALLA 1050 (GOOD) YAKIMA 1050 (GOOD) BEND 1050 (GOOD) PRINEVILLE 1050 (GOOD) ENTERPRISE 887 (GOOD) HERMISTON 1050 (GOOD) JOHN DAY 562 (FAIR) LA GRANDE 783 (GOOD) MADRAS 1050 (GOOD) MEACHAM 597 (FAIR) PENDLETON 964 (GOOD) REDMOND 1050 (GOOD) SENECA 685 (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. $$