329
AUUS46 KPDT 261232
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
532 AM PDT FRI APR 26 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 5-10 MPH. W 6-12 MPH.
TRANSPORT WINDS SW 5-10 MPH. W 5-10 MPH.
MIXING HEIGHT NEAR SURFACE. 7000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SAT APR 27 GOOD.
OUTLOOK FOR SUN APR 28 GOOD.
VENTILATION INDEX (CATEGORY) 52 (POOR). 518 (FAIR).
OUTLOOK FOR SAT APR 27 1002 (GOOD).
OUTLOOK FOR SUN APR 28 1050 (GOOD).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS W 3-7 MPH. W 5-10 MPH.
TRANSPORT WINDS W 3-7 MPH. SW 5-8 MPH.
MIXING HEIGHT NEAR SURFACE. 7500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SAT APR 27 GOOD.
OUTLOOK FOR SUN APR 28 GOOD.
VENTILATION INDEX (CATEGORY) 38 (POOR). 371 (FAIR).
OUTLOOK FOR SAT APR 27 716 (GOOD).
OUTLOOK FOR SUN APR 28 923 (GOOD).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS W 2-5 MPH. NW 6-12 MPH.
TRANSPORT WINDS NW 2-5 MPH. NW 6-12 MPH.
MIXING HEIGHT NEAR SURFACE. 8000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SAT APR 27 FAIR.
OUTLOOK FOR SUN APR 28 GOOD.
VENTILATION INDEX (CATEGORY) 56 (POOR). 330 (FAIR).
OUTLOOK FOR SAT APR 27 370 (FAIR).
OUTLOOK FOR SUN APR 28 520 (FAIR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS S 5-10 MPH. W 5-10 MPH.
TRANSPORT WINDS SW 5-10 MPH. W 5-10 MPH.
MIXING HEIGHT NEAR SURFACE. 6000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SAT APR 27 GOOD.
OUTLOOK FOR SUN APR 28 GOOD.
VENTILATION INDEX (CATEGORY) 87 (POOR). 375 (FAIR).
OUTLOOK FOR SAT APR 27 726 (GOOD).
OUTLOOK FOR SUN APR 28 1020 (GOOD).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 190 (POOR)
ELLENSBURG 233 (POOR)
GOLDENDALE 541 (FAIR)
TRI-CITIES 506 (FAIR)
WALLA WALLA 348 (FAIR)
YAKIMA 257 (POOR)
BEND 605 (GOOD)
PRINEVILLE 471 (FAIR)
ENTERPRISE 307 (FAIR)
HERMISTON 590 (FAIR)
JOHN DAY 391 (FAIR)
LA GRANDE 339 (FAIR)
MADRAS 738 (GOOD)
MEACHAM 287 (POOR)
PENDLETON 469 (FAIR)
REDMOND 442 (FAIR)
SENECA 456 (FAIR)
THE DALLES 324 (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.
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