Daily Dispersion Outlook
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
948 AUUS46 KPDT 141151 DDOPDT DAILY DISPERSION OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 451 AM PDT TUE MAY 14 2024 *** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR *** FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO 7:00 AM AFTERNOON SURFACE WINDS W 4-8 MPH. W 5-10 MPH. TRANSPORT WINDS SW 7-10 MPH. NW 8-12 MPH. MIXING HEIGHT NEAR SURFACE. 6500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR WED MAY 15 FAIR. OUTLOOK FOR THU MAY 16 GOOD. VENTILATION INDEX (CATEGORY) 58 (POOR). 473 (FAIR). OUTLOOK FOR WED MAY 15 478 (FAIR). OUTLOOK FOR THU MAY 16 887 (GOOD). FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP... SELAH...AND NACHES AREA 7:00 AM AFTERNOON SURFACE WINDS W 4-8 MPH. NW 5-9 MPH. TRANSPORT WINDS NW 5-9 MPH. NW 8-12 MPH. MIXING HEIGHT NEAR SURFACE. 7000 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR WED MAY 15 FAIR. OUTLOOK FOR THU MAY 16 GOOD. VENTILATION INDEX (CATEGORY) 40 (POOR). 437 (FAIR). OUTLOOK FOR WED MAY 15 535 (FAIR). OUTLOOK FOR THU MAY 16 849 (GOOD). FOR THE GRANDE RONDE RIVER VALLEY 7:00 AM AFTERNOON SURFACE WINDS W 3-8 MPH. NW 7-12 MPH. TRANSPORT WINDS W 5-7 MPH. N 11-15 MPH. MIXING HEIGHT NEAR SURFACE. 8500 FT MSL. DISPERSION CATEGORY POOR. GOOD. OUTLOOK FOR WED MAY 15 FAIR. OUTLOOK FOR THU MAY 16 GOOD. VENTILATION INDEX (CATEGORY) 58 (POOR). 606 (GOOD). OUTLOOK FOR WED MAY 15 414 (FAIR). OUTLOOK FOR THU MAY 16 981 (GOOD). FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS 7:00 AM AFTERNOON SURFACE WINDS S 4-8 MPH. NW 5-10 MPH. TRANSPORT WINDS SW 7-14 MPH. NW 8-12 MPH. MIXING HEIGHT NEAR SURFACE. 5500 FT MSL. DISPERSION CATEGORY POOR. FAIR. OUTLOOK FOR WED MAY 15 FAIR. OUTLOOK FOR THU MAY 16 GOOD. VENTILATION INDEX (CATEGORY) 75 (POOR). 396 (FAIR). OUTLOOK FOR WED MAY 15 433 (FAIR). OUTLOOK FOR THU MAY 16 862 (GOOD). SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES CLE ELUM 594 (FAIR) ELLENSBURG 720 (GOOD) GOLDENDALE 356 (FAIR) TRI-CITIES 535 (FAIR) WALLA WALLA 345 (FAIR) YAKIMA 448 (FAIR) BEND 426 (FAIR) PRINEVILLE 477 (FAIR) ENTERPRISE 612 (GOOD) HERMISTON 459 (FAIR) JOHN DAY 557 (FAIR) LA GRANDE 599 (FAIR) MADRAS 380 (FAIR) MEACHAM 422 (FAIR) PENDLETON 408 (FAIR) REDMOND 449 (FAIR) SENECA 632 (GOOD) THE DALLES 315 (FAIR) 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. $$