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
000
AUUS46 KPDT 011226
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
525 AM PDT SAT AUG 1 2015

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRBL 2-6 MPH.       W-NW 5-9 MPH.
TRANSPORT WINDS               VRBL 2-6 MPH.       W 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       11000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN AUG 2         POOR.

VENTILATION INDEX (CATEGORY)  35 (POOR).          510 (FAIR).
OUTLOOK FOR SUN AUG 2         227 (POOR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-7 MPH.          VRBL 2-4 MPH.
TRANSPORT WINDS               W 3-7 MPH.          W 7-9 MPH.
MIXING HEIGHT                 NEAR SURFACE.       11000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN AUG 2         GOOD.

VENTILATION INDEX (CATEGORY)  28 (POOR).          482 (FAIR).
OUTLOOK FOR SUN AUG 2         185 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRBL 1-4 MPH.       NW 4-7 MPH.
TRANSPORT WINDS               VRBL 1-4 MPH.       SW-W 10-13 MPH.
MIXING HEIGHT                 NEAR SURFACE.       15500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN AUG 2         GOOD.

VENTILATION INDEX (CATEGORY)  25 (POOR).          906 (GOOD).
OUTLOOK FOR SUN AUG 2         817 (GOOD).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      444 (FAIR)
ELLENSBURG    686 (GOOD)
GOLDENDALE    380 (FAIR)
TRI-CITIES    526 (FAIR)
WALLA WALLA   495 (FAIR)
YAKIMA        381 (FAIR)
BEND          285 (POOR)
PRINEVILLE    192 (POOR)
ENTERPRISE   1041 (GOOD)
HERMISTON     502 (FAIR)
JOHN DAY     1050 (GOOD)
LA GRANDE     850 (GOOD)
MADRAS        366 (FAIR)
MEACHAM       573 (FAIR)
PENDLETON     480 (FAIR)
REDMOND       297 (POOR)
SENECA       1050 (GOOD)
THE DALLES    421 (FAIR)

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.