757
AUUS46 KPDT 161430
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
730 AM PDT TUE APR 16 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 12-25 MPH. W 13-21 MPH.
TRANSPORT WINDS SW 15-23 MPH. W 15-21 MPH.
MIXING HEIGHT NEAR SURFACE. 8500 FT MSL.
DISPERSION CATEGORY FAIR. GOOD.
OUTLOOK FOR WED APR 17 FAIR.
OUTLOOK FOR THU APR 18 FAIR.
VENTILATION INDEX (CATEGORY) 272 (POOR). 1020 (GOOD).
OUTLOOK FOR WED APR 17 445 (FAIR).
OUTLOOK FOR THU APR 18 570 (FAIR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS W 8-11 MPH. NW 12-16 MPH.
TRANSPORT WINDS NW 8-12 MPH. NW 16-19 MPH.
MIXING HEIGHT 2500 FT MSL. 9000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR WED APR 17 FAIR.
OUTLOOK FOR THU APR 18 FAIR.
VENTILATION INDEX (CATEGORY) 252 (POOR). 1047 (GOOD).
OUTLOOK FOR WED APR 17 465 (FAIR).
OUTLOOK FOR THU APR 18 759 (GOOD).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS W 7-9 MPH. NW 13-17 MPH.
TRANSPORT WINDS W 8-12 MPH. W 18-20 MPH.
MIXING HEIGHT 4000 FT MSL. 8000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR WED APR 17 GOOD.
OUTLOOK FOR THU APR 18 GOOD.
VENTILATION INDEX (CATEGORY) 229 (POOR). 758 (GOOD).
OUTLOOK FOR WED APR 17 591 (FAIR).
OUTLOOK FOR THU APR 18 438 (FAIR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS SW 14-20 MPH. W 14-21 MPH.
TRANSPORT WINDS SW 14-20 MPH. W 18-23 MPH.
MIXING HEIGHT NEAR SURFACE. 7000 FT MSL.
DISPERSION CATEGORY GOOD. GOOD.
OUTLOOK FOR WED APR 17 FAIR.
OUTLOOK FOR THU APR 18 FAIR.
VENTILATION INDEX (CATEGORY) 284 (POOR). 947 (GOOD).
OUTLOOK FOR WED APR 17 406 (FAIR).
OUTLOOK FOR THU APR 18 491 (FAIR).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 1050 (GOOD)
ELLENSBURG 1050 (GOOD)
GOLDENDALE 1050 (GOOD)
TRI-CITIES 1050 (GOOD)
WALLA WALLA 938 (GOOD)
YAKIMA 1050 (GOOD)
BEND 432 (FAIR)
PRINEVILLE 656 (GOOD)
ENTERPRISE 730 (GOOD)
HERMISTON 966 (GOOD)
JOHN DAY 686 (GOOD)
LA GRANDE 857 (GOOD)
MADRAS 552 (FAIR)
MEACHAM 795 (GOOD)
PENDLETON 1050 (GOOD)
REDMOND 669 (GOOD)
SENECA 681 (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.
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