Daily Dispersion Outlook
Issued by NWS Pendleton, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
159
AUUS46 KPDT 261329
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
529 AM PST SUN FEB 26 2017

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 7-13 MPH.         SW 5-9 MPH.
TRANSPORT WINDS               SW 9-19 MPH.        SW 8-10 MPH.
MIXING HEIGHT                 2000 FT MSL.        5500 FT MSL.
DISPERSION CATEGORY           FAIR.               FAIR.
OUTLOOK FOR MON FEB 27        GOOD.

VENTILATION INDEX (CATEGORY)  133 (POOR).         590 (FAIR).
OUTLOOK FOR MON FEB 27        873 (GOOD).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-8 MPH.          S 4-8 MPH.
TRANSPORT WINDS               S 4-9 MPH.          S 7-12 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR MON FEB 27        FAIR.

VENTILATION INDEX (CATEGORY)  62 (POOR).          292 (POOR).
OUTLOOK FOR MON FEB 27        351 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 5-9 MPH.          S 11-16 MPH.
TRANSPORT WINDS               S 9-11 MPH.         S 11-14 MPH.
MIXING HEIGHT                 4500 FT MSL.        7000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR MON FEB 27        GOOD.

VENTILATION INDEX (CATEGORY)  193 (POOR).         408 (FAIR).
OUTLOOK FOR MON FEB 27        597 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      117 (POOR)
ELLENSBURG    127 (POOR)
GOLDENDALE    203 (POOR)
TRI-CITIES    544 (FAIR)
WALLA WALLA   411 (FAIR)
YAKIMA        170 (POOR)
BEND         1024 (GOOD)
PRINEVILLE    810 (GOOD)
ENTERPRISE    563 (FAIR)
HERMISTON     712 (GOOD)
JOHN DAY      543 (FAIR)
LA GRANDE     402 (FAIR)
MADRAS       1050 (GOOD)
MEACHAM       388 (FAIR)
PENDLETON     559 (FAIR)
REDMOND      1007 (GOOD)
SENECA        620 (GOOD)
THE DALLES    118 (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/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.