Daily Dispersion Outlook
Issued by NWS Pendleton, OR

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
000
AUUS46 KPDT 301137
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
328 AM PST FRI JAN 30 2015

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 1-4 MPH.        VRB 2-5 MPH.
TRANSPORT WINDS               VRB 1-4 MPH.        NW 2-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SAT JAN 31        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          39 (POOR).
OUTLOOK FOR SAT JAN 31        59 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 1-4 MPH.        VRB 2-5 MPH.
TRANSPORT WINDS               VRB 1-4 MPH.        NW 2-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SAT JAN 31        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          30 (POOR).
OUTLOOK FOR SAT JAN 31        42 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 1-4 MPH.        NW 4-7 MPH.
TRANSPORT WINDS               VRB 1-4 MPH.        NW 4-7 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR SAT JAN 31        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          48 (POOR).
OUTLOOK FOR SAT JAN 31        44 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       25 (POOR)
ELLENSBURG     25 (POOR)
GOLDENDALE     25 (POOR)
TRI-CITIES     64 (POOR)
WALLA WALLA    30 (POOR)
YAKIMA         28 (POOR)
BEND           25 (POOR)
PRINEVILLE     26 (POOR)
ENTERPRISE     25 (POOR)
HERMISTON      35 (POOR)
JOHN DAY       31 (POOR)
LA GRANDE      53 (POOR)
MADRAS         35 (POOR)
MEACHAM        30 (POOR)
PENDLETON      25 (POOR)
REDMOND        34 (POOR)
SENECA         36 (POOR)
THE DALLES     47 (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.