171
AUUS46 KPDT 221258
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
458 AM PST SUN NOV 22 2009
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS S-SW 20-30 MPH. SW-W 25-35 MPH.
TRANSPORT WINDS S-SW 25-35 MPH. W 40-50 MPH.
MIXING HEIGHT 2500 FT MSL. 6000 FT MSL.
DISPERSION CATEGORY GOOD. GOOD.
OUTLOOK FOR MON NOV 23 POOR.
VENTILATION INDEX (CATEGORY) 423 (FAIR). 1050 (GOOD).
OUTLOOK FOR MON NOV 23 435 (FAIR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS SE-S 6-14 MPH. W 20-30 MPH.
TRANSPORT WINDS S 7-17 MPH. W 35-45 MPH.
MIXING HEIGHT 2000 FT MSL. 4500 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR MON NOV 23 POOR.
VENTILATION INDEX (CATEGORY) 93 (POOR). 997 (GOOD).
OUTLOOK FOR MON NOV 23 175 (POOR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS S 28-38 MPH. W-NW 17-25 MPH.
TRANSPORT WINDS S 28-38 MPH. W 22-32 MPH.
MIXING HEIGHT 4500 FT MSL. 7000 FT MSL.
DISPERSION CATEGORY FAIR. GOOD.
OUTLOOK FOR MON NOV 23 FAIR.
VENTILATION INDEX (CATEGORY) 304 (FAIR). 962 (GOOD).
OUTLOOK FOR MON NOV 23 191 (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 NEW TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS. A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE. IF YOU WOULD LIKE TO KNOW
MORE ABOUT THIS PRODUCT...CONTACT THE NATIONAL WEATHER SERVICE
IN PENDLETON.
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