163
AUUS46 KPDT 211237
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
437 AM PST SAT DEC 21 2024
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS NW 5-10 MPH. S 5-10 MPH.
TRANSPORT WINDS N 5-10 MPH. SW 6-12 MPH.
MIXING HEIGHT NEAR SURFACE. NEAR SURFACE.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SUN DEC 22 POOR.
OUTLOOK FOR MON DEC 23 POOR.
VENTILATION INDEX (CATEGORY) 27 (POOR). 34 (POOR).
OUTLOOK FOR SUN DEC 22 35 (POOR).
OUTLOOK FOR MON DEC 23 97 (POOR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 2-5 MPH. SE 3-7 MPH.
TRANSPORT WINDS NW 4-8 MPH. S 3-7 MPH.
MIXING HEIGHT NEAR SURFACE. NEAR SURFACE.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SUN DEC 22 POOR.
OUTLOOK FOR MON DEC 23 POOR.
VENTILATION INDEX (CATEGORY) 27 (POOR). 27 (POOR).
OUTLOOK FOR SUN DEC 22 26 (POOR).
OUTLOOK FOR MON DEC 23 26 (POOR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS S 20-30 MPH. S 18-26 MPH.
TRANSPORT WINDS S 15-24 MPH. S 16-20 MPH.
MIXING HEIGHT NEAR SURFACE. 4000 FT MSL.
DISPERSION CATEGORY FAIR. FAIR.
OUTLOOK FOR SUN DEC 22 FAIR.
OUTLOOK FOR MON DEC 23 POOR.
VENTILATION INDEX (CATEGORY) 131 (POOR). 191 (POOR).
OUTLOOK FOR SUN DEC 22 241 (POOR).
OUTLOOK FOR MON DEC 23 141 (POOR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS SE 10-20 MPH. S 10-18 MPH.
TRANSPORT WINDS SE 12-22 MPH. S 10-20 MPH.
MIXING HEIGHT NEAR SURFACE. NEAR SURFACE.
DISPERSION CATEGORY FAIR. FAIR.
OUTLOOK FOR SUN DEC 22 POOR.
OUTLOOK FOR MON DEC 23 POOR.
VENTILATION INDEX (CATEGORY) 59 (POOR). 88 (POOR).
OUTLOOK FOR SUN DEC 22 101 (POOR).
OUTLOOK FOR MON DEC 23 202 (POOR).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 59 (POOR)
ELLENSBURG 26 (POOR)
GOLDENDALE 25 (POOR)
TRI-CITIES 26 (POOR)
WALLA WALLA 51 (POOR)
YAKIMA 25 (POOR)
BEND 424 (FAIR)
PRINEVILLE 433 (FAIR)
ENTERPRISE 101 (POOR)
HERMISTON 26 (POOR)
JOHN DAY 229 (POOR)
LA GRANDE 175 (POOR)
MADRAS 273 (POOR)
MEACHAM 72 (POOR)
PENDLETON 35 (POOR)
REDMOND 413 (FAIR)
SENECA 204 (POOR)
THE DALLES 25 (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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