495
AUUS46 KPDT 081230
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
430 AM PST SAT FEB 8 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 2-9 MPH. SW 4-7 MPH.
TRANSPORT WINDS S 2-9 MPH. SW 10-16 MPH.
MIXING HEIGHT NEAR SURFACE. 3000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SUN FEB 9 POOR.
OUTLOOK FOR MON FEB 10 POOR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 130 (POOR).
OUTLOOK FOR SUN FEB 9 31 (POOR).
OUTLOOK FOR MON FEB 10 128 (POOR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 1-3 MPH. NE 2-5 MPH.
TRANSPORT WINDS NNW 1-3 MPH. S 2-7 MPH.
MIXING HEIGHT NEAR SURFACE. 3000 FT MSL.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SUN FEB 9 POOR.
OUTLOOK FOR MON FEB 10 POOR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 40 (POOR).
OUTLOOK FOR SUN FEB 9 25 (POOR).
OUTLOOK FOR MON FEB 10 227 (POOR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS S 3-5 MPH. S 7-9 MPH.
TRANSPORT WINDS S 3-5 MPH. S 9-12 MPH.
MIXING HEIGHT NEAR SURFACE. 5000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SUN FEB 9 POOR.
OUTLOOK FOR MON FEB 10 FAIR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 148 (POOR).
OUTLOOK FOR SUN FEB 9 115 (POOR).
OUTLOOK FOR MON FEB 10 136 (POOR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS S 5-9 MPH. SW 4-8 MPH.
TRANSPORT WINDS S 5-9 MPH. SW 11-16 MPH.
MIXING HEIGHT NEAR SURFACE. 3500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SUN FEB 9 POOR.
OUTLOOK FOR MON FEB 10 POOR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 238 (POOR).
OUTLOOK FOR SUN FEB 9 82 (POOR).
OUTLOOK FOR MON FEB 10 86 (POOR).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 51 (POOR)
ELLENSBURG 25 (POOR)
GOLDENDALE 69 (POOR)
TRI-CITIES 73 (POOR)
WALLA WALLA 150 (POOR)
YAKIMA 28 (POOR)
BEND 348 (FAIR)
PRINEVILLE 184 (POOR)
ENTERPRISE 113 (POOR)
HERMISTON 123 (POOR)
JOHN DAY 187 (POOR)
LA GRANDE 147 (POOR)
MADRAS 264 (POOR)
MEACHAM 243 (POOR)
PENDLETON 183 (POOR)
REDMOND 221 (POOR)
SENECA 191 (POOR)
THE DALLES 63 (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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