684
AUUS46 KPDT 181208
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
505 AM PDT SAT MAY 18 2013
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS SW 6-12 MPH. SW 12-20 MPH.
TRANSPORT WINDS SW 7-14 MPH. SW 13-20 MPH.
MIXING HEIGHT NEAR SURFACE. 8000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR SUN MAY 19 FAIR.
VENTILATION INDEX (CATEGORY) 75 (POOR). 992 (GOOD).
OUTLOOK FOR SUN MAY 19 646 (GOOD).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS W 0-6 MPH. W 8-13 MPH.
TRANSPORT WINDS W 5-9 MPH. W 6-13 MPH.
MIXING HEIGHT 2000 FT MSL. 9000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SUN MAY 19 FAIR.
VENTILATION INDEX (CATEGORY) 36 (POOR). 618 (GOOD).
OUTLOOK FOR SUN MAY 19 722 (GOOD).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS W 0-6 MPH. NW 8-15 MPH.
TRANSPORT WINDS W 3-7 MPH. W 8-12 MPH.
MIXING HEIGHT 5000 FT MSL. 10500 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR SUN MAY 19 GOOD.
VENTILATION INDEX (CATEGORY) 109 (POOR). 587 (FAIR).
OUTLOOK FOR SUN MAY 19 588 (FAIR).
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/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT
IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
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