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
000
AUUS46 KPDT 051100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT SUN JUL 5 2015

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 6-11 MPH.        NW-N 7-13 MPH.
TRANSPORT WINDS               SW 6-11 MPH.        SW 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       10000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 6         FAIR.

VENTILATION INDEX (CATEGORY)  96 (POOR).          501 (FAIR).
OUTLOOK FOR MON JUL 6         631 (GOOD).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 5-10 MPH.        N 10-15 MPH.
TRANSPORT WINDS               NW 5-10 MPH.        SW 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       10500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 6         FAIR.

VENTILATION INDEX (CATEGORY)  164 (POOR).         758 (GOOD).
OUTLOOK FOR MON JUL 6         170 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 1-5 MPH.         NW 3-7 MPH.
TRANSPORT WINDS               SW 1-5 MPH.         W 7-13 MPH.
MIXING HEIGHT                 NEAR SURFACE.       11500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR MON JUL 6         GOOD.

VENTILATION INDEX (CATEGORY)  35 (POOR).          575 (FAIR).
OUTLOOK FOR MON JUL 6         579 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      306 (FAIR)
ELLENSBURG    669 (GOOD)
GOLDENDALE    327 (FAIR)
TRI-CITIES    809 (GOOD)
WALLA WALLA   189 (POOR)
YAKIMA        710 (GOOD)
BEND          388 (FAIR)
PRINEVILLE    473 (FAIR)
ENTERPRISE    670 (GOOD)
HERMISTON     641 (GOOD)
JOHN DAY      683 (GOOD)
LA GRANDE     623 (GOOD)
MADRAS        291 (POOR)
MEACHAM       498 (FAIR)
PENDLETON     526 (FAIR)
REDMOND       423 (FAIR)
SENECA        760 (GOOD)
THE DALLES    196 (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.