606
AUUS46 KPDT 201309
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
509 AM PST FRI DEC 20 2024
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS E 3-6 MPH. NW 4-8 MPH.
TRANSPORT WINDS E 3-6 MPH. NW 4-8 MPH.
MIXING HEIGHT NEAR SURFACE. NEAR SURFACE.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SAT DEC 21 POOR.
OUTLOOK FOR SUN DEC 22 POOR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 30 (POOR).
OUTLOOK FOR SAT DEC 21 41 (POOR).
OUTLOOK FOR SUN DEC 22 38 (POOR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 2-5 MPH. NW 2-5 MPH.
TRANSPORT WINDS NW 2-5 MPH. NNW 2-5 MPH.
MIXING HEIGHT NEAR SURFACE. NEAR SURFACE.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SAT DEC 21 POOR.
OUTLOOK FOR SUN DEC 22 POOR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 26 (POOR).
OUTLOOK FOR SAT DEC 21 29 (POOR).
OUTLOOK FOR SUN DEC 22 31 (POOR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS S 16-30 MPH. S 14-27 MPH.
TRANSPORT WINDS S 14-20 MPH. S 15-21 MPH.
MIXING HEIGHT NEAR SURFACE. 4000 FT MSL.
DISPERSION CATEGORY FAIR. FAIR.
OUTLOOK FOR SAT DEC 21 FAIR.
OUTLOOK FOR SUN DEC 22 FAIR.
VENTILATION INDEX (CATEGORY) 76 (POOR). 163 (POOR).
OUTLOOK FOR SAT DEC 21 263 (POOR).
OUTLOOK FOR SUN DEC 22 269 (POOR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS SE 7-12 MPH. SE 10-15 MPH.
TRANSPORT WINDS SE 7-12 MPH. SSE 10-15 MPH.
MIXING HEIGHT NEAR SURFACE. NEAR SURFACE.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SAT DEC 21 GOOD.
OUTLOOK FOR SUN DEC 22 FAIR.
VENTILATION INDEX (CATEGORY) 31 (POOR). 44 (POOR).
OUTLOOK FOR SAT DEC 21 108 (POOR).
OUTLOOK FOR SUN DEC 22 90 (POOR).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 63 (POOR)
ELLENSBURG 25 (POOR)
GOLDENDALE 34 (POOR)
TRI-CITIES 39 (POOR)
WALLA WALLA 28 (POOR)
YAKIMA 25 (POOR)
BEND 73 (POOR)
PRINEVILLE 92 (POOR)
ENTERPRISE 46 (POOR)
HERMISTON 25 (POOR)
JOHN DAY 71 (POOR)
LA GRANDE 157 (POOR)
MADRAS 61 (POOR)
MEACHAM 36 (POOR)
PENDLETON 27 (POOR)
REDMOND 71 (POOR)
SENECA 64 (POOR)
THE DALLES 50 (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:
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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