Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
747 AUUS46 KPDT 191132 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 432 AM PDT SUN MAY 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 SW 12-18 MPH. W 8-14 MPH. TRANSPORT WINDS SW 10-20 MPH. W 6-12 MPH. MIXING HEIGHT NEAR SURFACE. 9000 FT MSL. DISPERSION CATEGORY FAIR. FAIR. OUTLOOK FOR MON MAY 20 FAIR. OUTLOOK FOR TUE MAY 21 GOOD. VENTILATION INDEX (CATEGORY) 206 (POOR). 735 (GOOD). OUTLOOK FOR MON MAY 20 559 (FAIR). OUTLOOK FOR TUE MAY 21 812 (GOOD). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS NW 6-12 MPH. NW 7-12 MPH. TRANSPORT WINDS NW 7-14 MPH. NW 6-12 MPH. MIXING HEIGHT NEAR SURFACE. 10000 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR MON MAY 20 FAIR. OUTLOOK FOR TUE MAY 21 FAIR. VENTILATION INDEX (CATEGORY) 156 (POOR). 675 (GOOD). OUTLOOK FOR MON MAY 20 449 (FAIR). OUTLOOK FOR TUE MAY 21 409 (FAIR). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS NW 6-12 MPH. NW 10-15 MPH. TRANSPORT WINDS NW 8-12 MPH. NW 8-12 MPH. MIXING HEIGHT 4000 FT MSL. 10000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR MON MAY 20 GOOD. OUTLOOK FOR TUE MAY 21 GOOD. VENTILATION INDEX (CATEGORY) 230 (POOR). 595 (FAIR). OUTLOOK FOR MON MAY 20 912 (GOOD). OUTLOOK FOR TUE MAY 21 693 (GOOD). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SW 12-18 MPH. W 8-12 MPH. TRANSPORT WINDS SW 15-20 MPH. W 6-12 MPH. MIXING HEIGHT NEAR SURFACE. 8500 FT MSL. DISPERSION CATEGORY GOOD. FAIR. OUTLOOK FOR MON MAY 20 FAIR. OUTLOOK FOR TUE MAY 21 GOOD. VENTILATION INDEX (CATEGORY) 247 (POOR). 664 (GOOD). OUTLOOK FOR MON MAY 20 521 (FAIR). OUTLOOK FOR TUE MAY 21 831 (GOOD). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 687 (GOOD) ELLENSBURG 937 (GOOD) GOLDENDALE 816 (GOOD) TRI-CITIES 745 (GOOD) WALLA WALLA 651 (GOOD) YAKIMA 773 (GOOD) BEND 644 (GOOD) PRINEVILLE 718 (GOOD) ENTERPRISE 615 (GOOD) HERMISTON 698 (GOOD) JOHN DAY 634 (GOOD) LA GRANDE 627 (GOOD) MADRAS 837 (GOOD) MEACHAM 561 (FAIR) PENDLETON 743 (GOOD) REDMOND 702 (GOOD) SENECA 679 (GOOD) THE DALLES 1048 (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. $$