Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
214 AUUS46 KPDT 051136 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 436 AM PDT SUN MAY 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 SW 10-20 MPH. SW 15-30 MPH. TRANSPORT WINDS SW 15-30 MPH. SW 25-35 MPH. MIXING HEIGHT NEAR SURFACE. 3000 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR MON MAY 6 GOOD. OUTLOOK FOR TUE MAY 7 GOOD. VENTILATION INDEX (CATEGORY) 203 (POOR). 444 (FAIR). OUTLOOK FOR MON MAY 6 1041 (GOOD). OUTLOOK FOR TUE MAY 7 1050 (GOOD). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS W 8-15 MPH. W 15-25 MPH. TRANSPORT WINDS NW 15-25 MPH. NW 22-35 MPH. MIXING HEIGHT NEAR SURFACE. 4000 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR MON MAY 6 GOOD. OUTLOOK FOR TUE MAY 7 GOOD. VENTILATION INDEX (CATEGORY) 142 (POOR). 599 (FAIR). OUTLOOK FOR MON MAY 6 1050 (GOOD). OUTLOOK FOR TUE MAY 7 1050 (GOOD). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS S 4-11 MPH. SW 8-13 MPH. TRANSPORT WINDS SW 10-16 MPH. W 13-19 MPH. MIXING HEIGHT 4000 FT MSL. 5000 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR MON MAY 6 GOOD. OUTLOOK FOR TUE MAY 7 GOOD. VENTILATION INDEX (CATEGORY) 165 (POOR). 325 (FAIR). OUTLOOK FOR MON MAY 6 600 (FAIR). OUTLOOK FOR TUE MAY 7 1048 (GOOD). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS SW 10-20 MPH. SW 15-30 MPH. TRANSPORT WINDS SW 15-25 MPH. SW 25-35 MPH. MIXING HEIGHT 2000 FT MSL. 3000 FT MSL. DISPERSION CATEGORY GOOD. GOOD. OUTLOOK FOR MON MAY 6 GOOD. OUTLOOK FOR TUE MAY 7 GOOD. VENTILATION INDEX (CATEGORY) 252 (POOR). 433 (FAIR). OUTLOOK FOR MON MAY 6 913 (GOOD). OUTLOOK FOR TUE MAY 7 1047 (GOOD). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 561 (FAIR) ELLENSBURG 783 (GOOD) GOLDENDALE 858 (GOOD) TRI-CITIES 286 (POOR) WALLA WALLA 353 (FAIR) YAKIMA 770 (GOOD) BEND 842 (GOOD) PRINEVILLE 1049 (GOOD) ENTERPRISE 362 (FAIR) HERMISTON 488 (FAIR) JOHN DAY 331 (FAIR) LA GRANDE 400 (FAIR) MADRAS 812 (GOOD) MEACHAM 336 (FAIR) PENDLETON 540 (FAIR) REDMOND 1050 (GOOD) SENECA 475 (FAIR) 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. $$