664
AUUS46 KPDT 221246
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
446 AM PST SAT FEB 22 2025
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS SE 7-16 MPH. S 10-19 MPH.
TRANSPORT WINDS S 7-16 MPH. S 10-20 MPH.
MIXING HEIGHT NEAR SURFACE. 2000 FT MSL.
DISPERSION CATEGORY FAIR. FAIR.
OUTLOOK FOR SUN FEB 23 GOOD.
OUTLOOK FOR MON FEB 24 FAIR.
VENTILATION INDEX (CATEGORY) 32 (POOR). 88 (POOR).
OUTLOOK FOR SUN FEB 23 275 (POOR).
OUTLOOK FOR MON FEB 24 94 (POOR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS S 3-8 MPH. S 8-11 MPH.
TRANSPORT WINDS SE 3-8 MPH. S 6-11 MPH.
MIXING HEIGHT NEAR SURFACE. 2000 FT MSL.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SUN FEB 23 GOOD.
OUTLOOK FOR MON FEB 24 POOR.
VENTILATION INDEX (CATEGORY) 26 (POOR). 52 (POOR).
OUTLOOK FOR SUN FEB 23 267 (POOR).
OUTLOOK FOR MON FEB 24 40 (POOR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS S 15-24 MPH. S 21-31 MPH.
TRANSPORT WINDS S 12-24 MPH. S 19-26 MPH.
MIXING HEIGHT NEAR SURFACE. 4000 FT MSL.
DISPERSION CATEGORY FAIR. FAIR.
OUTLOOK FOR SUN FEB 23 FAIR.
OUTLOOK FOR MON FEB 24 FAIR.
VENTILATION INDEX (CATEGORY) 121 (POOR). 182 (POOR).
OUTLOOK FOR SUN FEB 23 140 (POOR).
OUTLOOK FOR MON FEB 24 189 (POOR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS S 13-21 MPH. S 14-23 MPH.
TRANSPORT WINDS S 13-21 MPH. S 16-24 MPH.
MIXING HEIGHT NEAR SURFACE. 2000 FT MSL.
DISPERSION CATEGORY FAIR. GOOD.
OUTLOOK FOR SUN FEB 23 GOOD.
OUTLOOK FOR MON FEB 24 GOOD.
VENTILATION INDEX (CATEGORY) 58 (POOR). 112 (POOR).
OUTLOOK FOR SUN FEB 23 240 (POOR).
OUTLOOK FOR MON FEB 24 165 (POOR).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 88 (POOR)
ELLENSBURG 44 (POOR)
GOLDENDALE 56 (POOR)
TRI-CITIES 67 (POOR)
WALLA WALLA 88 (POOR)
YAKIMA 39 (POOR)
BEND 188 (POOR)
PRINEVILLE 358 (FAIR)
ENTERPRISE 55 (POOR)
HERMISTON 34 (POOR)
JOHN DAY 157 (POOR)
LA GRANDE 157 (POOR)
MADRAS 466 (FAIR)
MEACHAM 62 (POOR)
PENDLETON 140 (POOR)
REDMOND 395 (FAIR)
SENECA 144 (POOR)
THE DALLES 31 (POOR)
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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