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 051234
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
434 AM PST THU MAR 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                 SE 3-7 MPH.         W 2-5 MPH.
TRANSPORT WINDS               SE 3-7 MPH.         SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR FRI MAR 6         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          124 (POOR).
OUTLOOK FOR FRI MAR 6         184 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 1-3 MPH.         S 1-3 MPH.
TRANSPORT WINDS               NW 1-3 MPH.         S 2-5 MPH.
MIXING HEIGHT                 NEAR SURFACE.       3000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR FRI MAR 6         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          55 (POOR).
OUTLOOK FOR FRI MAR 6         53 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 5-9 MPH.          S 9-12 MPH.
TRANSPORT WINDS               S 5-9 MPH.          S 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR FRI MAR 6         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          148 (POOR).
OUTLOOK FOR FRI MAR 6         94 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       85 (POOR)
ELLENSBURG     71 (POOR)
GOLDENDALE     81 (POOR)
TRI-CITIES     77 (POOR)
WALLA WALLA   175 (POOR)
YAKIMA         37 (POOR)
BEND          122 (POOR)
PRINEVILLE    117 (POOR)
ENTERPRISE     83 (POOR)
HERMISTON      61 (POOR)
JOHN DAY       67 (POOR)
LA GRANDE     160 (POOR)
MADRAS        151 (POOR)
MEACHAM       189 (POOR)
PENDLETON     121 (POOR)
REDMOND       117 (POOR)
SENECA         77 (POOR)
THE DALLES     42 (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.