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
000
AUUS46 KPDT 031124
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
424 AM PDT TUE MAY 3 2016

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SE 5-15 MPH.        SE 5-6 MPH.
TRANSPORT WINDS               SE 4-9 MPH.         S 7-12 MPH.
MIXING HEIGHT                 2000 FT MSL.        10000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR WED MAY 4         POOR.

VENTILATION INDEX (CATEGORY)  107 (POOR).         704 (GOOD).
OUTLOOK FOR WED MAY 4         164 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N 3-6 MPH.          S 4-7 MPH.
TRANSPORT WINDS               N 2-5 MPH.          S 12-14 MPH.
MIXING HEIGHT                 NEAR SURFACE.       10000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR WED MAY 4         POOR.

VENTILATION INDEX (CATEGORY)  26 (POOR).          644 (GOOD).
OUTLOOK FOR WED MAY 4         173 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SE 4-8 MPH.         S 11-14 MPH.
TRANSPORT WINDS               S 5-6 MPH.          S 14-17 MPH.
MIXING HEIGHT                 NEAR SURFACE.       12000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR WED MAY 4         GOOD.

VENTILATION INDEX (CATEGORY)  60 (POOR).          1036 (GOOD).
OUTLOOK FOR WED MAY 4         572 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      571 (FAIR)
ELLENSBURG    835 (GOOD)
GOLDENDALE    285 (POOR)
TRI-CITIES    794 (GOOD)
WALLA WALLA   859 (GOOD)
YAKIMA        585 (FAIR)
BEND          921 (GOOD)
PRINEVILLE   1050 (GOOD)
ENTERPRISE    735 (GOOD)
HERMISTON     508 (FAIR)
JOHN DAY     1050 (GOOD)
LA GRANDE    1050 (GOOD)
MADRAS        711 (GOOD)
MEACHAM       982 (GOOD)
PENDLETON     676 (GOOD)
REDMOND      1028 (GOOD)
SENECA       1050 (GOOD)
THE DALLES    248 (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.