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 061213
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
413 AM PST FRI MAR 6 2015

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-8 MPH.          W 1-4 MPH.
TRANSPORT WINDS               S 4-8 MPH.          SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SAT MAR 7         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          132 (POOR).
OUTLOOK FOR SAT MAR 7         147 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 2-4 MPH.         SE 1-3 MPH.
TRANSPORT WINDS               NW 2-4 MPH.         SE 1-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SAT MAR 7         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          59 (POOR).
OUTLOOK FOR SAT MAR 7         85 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 4-6 MPH.          S 6-8 MPH.
TRANSPORT WINDS               S 4-6 MPH.          S 6-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5000 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SAT MAR 7         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          128 (POOR).
OUTLOOK FOR SAT MAR 7         152 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       91 (POOR)
ELLENSBURG     65 (POOR)
GOLDENDALE    100 (POOR)
TRI-CITIES     96 (POOR)
WALLA WALLA   132 (POOR)
YAKIMA         26 (POOR)
BEND          213 (POOR)
PRINEVILLE    188 (POOR)
ENTERPRISE     65 (POOR)
HERMISTON      70 (POOR)
JOHN DAY       74 (POOR)
LA GRANDE     135 (POOR)
MADRAS        171 (POOR)
MEACHAM       166 (POOR)
PENDLETON      94 (POOR)
REDMOND       170 (POOR)
SENECA         73 (POOR)
THE DALLES     26 (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.