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
982
AUUS46 KPDT 231100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT MON MAY 23 2016

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 8-15 MPH.        SW 12-18 MPH.
TRANSPORT WINDS               SW 8-15 MPH.        SW 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE MAY 24        GOOD.

VENTILATION INDEX (CATEGORY)  280 (POOR).         1050 (GOOD).
OUTLOOK FOR TUE MAY 24        740 (GOOD).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 0-4 MPH.          W 5-10 MPH.
TRANSPORT WINDS               W 0-4 MPH.          NW 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR TUE MAY 24        FAIR.

VENTILATION INDEX (CATEGORY)  131 (POOR).         820 (GOOD).
OUTLOOK FOR TUE MAY 24        424 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 3-7 MPH.         W 5-10 MPH.
TRANSPORT WINDS               SW 10-20 MPH.       SW 10-20 MPH.
MIXING HEIGHT                 4000 FT MSL.        9000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR TUE MAY 24        GOOD.

VENTILATION INDEX (CATEGORY)  214 (POOR).         835 (GOOD).
OUTLOOK FOR TUE MAY 24        410 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      729 (GOOD)
ELLENSBURG    941 (GOOD)
GOLDENDALE   1050 (GOOD)
TRI-CITIES   1050 (GOOD)
WALLA WALLA  1050 (GOOD)
YAKIMA        790 (GOOD)
BEND          886 (GOOD)
PRINEVILLE   1024 (GOOD)
ENTERPRISE    577 (FAIR)
HERMISTON    1050 (GOOD)
JOHN DAY      749 (GOOD)
LA GRANDE     816 (GOOD)
MADRAS       1049 (GOOD)
MEACHAM      1016 (GOOD)
PENDLETON    1050 (GOOD)
REDMOND       980 (GOOD)
SENECA        800 (GOOD)
THE DALLES    759 (GOOD)

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.