151
AUUS46 KPDT 021225
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
525 AM PDT TUE JUN 2 2026
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS NE 2-6 MPH. NE 6-11 MPH.
TRANSPORT WINDS NE 3-7 MPH. N 6-11 MPH.
MIXING HEIGHT NEAR SURFACE. 7500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR WED JUN 3 FAIR.
OUTLOOK FOR THU JUN 4 GOOD.
VENTILATION INDEX (CATEGORY) 65 (POOR). 440 (FAIR).
OUTLOOK FOR WED JUN 3 451 (FAIR).
OUTLOOK FOR THU JUN 4 738 (GOOD).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 1-4 MPH. E 4-8 MPH.
TRANSPORT WINDS N 4-8 MPH. SE 4-7 MPH.
MIXING HEIGHT NEAR SURFACE. 8000 FT MSL.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR WED JUN 3 FAIR.
OUTLOOK FOR THU JUN 4 FAIR.
VENTILATION INDEX (CATEGORY) 52 (POOR). 356 (FAIR).
OUTLOOK FOR WED JUN 3 387 (FAIR).
OUTLOOK FOR THU JUN 4 379 (FAIR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS SE 0-1 MPH. N 3-6 MPH.
TRANSPORT WINDS SW 2-4 MPH. NW 6-7 MPH.
MIXING HEIGHT NEAR SURFACE. 9000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR WED JUN 3 FAIR.
OUTLOOK FOR THU JUN 4 FAIR.
VENTILATION INDEX (CATEGORY) 38 (POOR). 325 (FAIR).
OUTLOOK FOR WED JUN 3 284 (POOR).
OUTLOOK FOR THU JUN 4 399 (FAIR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS SE 1-4 MPH. N 6-11 MPH.
TRANSPORT WINDS SE 3-5 MPH. N 6-11 MPH.
MIXING HEIGHT NEAR SURFACE. 6500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR WED JUN 3 FAIR.
OUTLOOK FOR THU JUN 4 FAIR.
VENTILATION INDEX (CATEGORY) 40 (POOR). 359 (FAIR).
OUTLOOK FOR WED JUN 3 340 (FAIR).
OUTLOOK FOR THU JUN 4 630 (GOOD).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 412 (FAIR)
ELLENSBURG 430 (FAIR)
GOLDENDALE 527 (FAIR)
TRI-CITIES 299 (POOR)
WALLA WALLA 238 (POOR)
YAKIMA 393 (FAIR)
BEND 439 (FAIR)
PRINEVILLE 415 (FAIR)
ENTERPRISE 449 (FAIR)
HERMISTON 439 (FAIR)
JOHN DAY 555 (FAIR)
LA GRANDE 312 (FAIR)
MADRAS 210 (POOR)
MEACHAM 337 (FAIR)
PENDLETON 472 (FAIR)
REDMOND 306 (FAIR)
SENECA 761 (GOOD)
THE DALLES 579 (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:
HTTPS://WWW.WEATHER.GOV/PDT/DSSBRIEFING
IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
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