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
351
AUUS46 KPDT 271100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT FRI MAY 27 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 12-22 MPH.       SW-W 15-25 MPH.
TRANSPORT WINDS               SW 12-22 MPH.       W 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       8500 FT MSL.
DISPERSION CATEGORY           GOOD.               GOOD.
OUTLOOK FOR SAT MAY 28        FAIR.

VENTILATION INDEX (CATEGORY)  264 (POOR).         903 (GOOD).
OUTLOOK FOR SAT MAY 28        440 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 8-15 MPH.        W 10-15 MPH.
TRANSPORT WINDS               NW 8-15 MPH.        NW 15-20 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR SAT MAY 28        POOR.

VENTILATION INDEX (CATEGORY)  127 (POOR).         705 (GOOD).
OUTLOOK FOR SAT MAY 28        219 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 8-15 MPH.        NW 5-10 MPH.
TRANSPORT WINDS               NW 8-15 MPH.        W 15-20 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT MAY 28        GOOD.

VENTILATION INDEX (CATEGORY)  110 (POOR).         634 (GOOD).
OUTLOOK FOR SAT MAY 28        272 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      813 (GOOD)
ELLENSBURG   1050 (GOOD)
GOLDENDALE    954 (GOOD)
TRI-CITIES    781 (GOOD)
WALLA WALLA   899 (GOOD)
YAKIMA        795 (GOOD)
BEND          589 (FAIR)
PRINEVILLE    655 (GOOD)
ENTERPRISE    560 (FAIR)
HERMISTON     964 (GOOD)
JOHN DAY      687 (GOOD)
LA GRANDE     693 (GOOD)
MADRAS        663 (GOOD)
MEACHAM       718 (GOOD)
PENDLETON     973 (GOOD)
REDMOND       644 (GOOD)
SENECA        688 (GOOD)
THE DALLES   1035 (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.