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 8
000
AUUS46 KPDT 311100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT SUN AUG 31 2014

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 8-14 MPH.        SW-W 10-15 MPH.
TRANSPORT WINDS               SW 8-14 MPH.        SW 12-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON SEP 1         FAIR.

VENTILATION INDEX (CATEGORY)  34 (POOR).          873 (GOOD).
OUTLOOK FOR MON SEP 1         505 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 5-10 MPH.        W 10-15 MPH.
TRANSPORT WINDS               NW 5-10 MPH.        NW 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON SEP 1         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          463 (FAIR).
OUTLOOK FOR MON SEP 1         256 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N 0-4 MPH.          W 5-10 MPH.
TRANSPORT WINDS               N 0-4 MPH.          W 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON SEP 1         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          505 (FAIR).
OUTLOOK FOR MON SEP 1         176 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      603 (GOOD)
ELLENSBURG    676 (GOOD)
GOLDENDALE    641 (GOOD)
TRI-CITIES    745 (GOOD)
WALLA WALLA   914 (GOOD)
YAKIMA        507 (FAIR)
BEND          277 (POOR)
ENTERPRISE    456 (FAIR)
HERMISTON     877 (GOOD)
JOHN DAY      338 (FAIR)
LA GRANDE     531 (FAIR)
MADRAS        412 (FAIR)
MEACHAM       626 (GOOD)
PENDLETON     975 (GOOD)
REDMOND       348 (FAIR)
SENECA        285 (POOR)
THE DALLES    918 (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.