www.srh.weather.gov   
NOAA logo - Click to go to the NOAA homepage   NWS logo
Daily Dispersion Outlook
Enter Your "City, ST" or zip code   
Current Version              Previous Version:    01  02  03  04  05  06  
[Printable]
976
AUUS46 KPDT 201100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT WED AUG 20 2014

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

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 8-15 MPH.        SW 10-18 MPH.
TRANSPORT WINDS               SW 8-15 MPH.        W 12-20 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7000 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR THU AUG 21        FAIR.

VENTILATION INDEX (CATEGORY)  47 (POOR).          883 (GOOD).
OUTLOOK FOR THU AUG 21        495 (FAIR).

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

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 4-9 MPH.         W 10-15 MPH.
TRANSPORT WINDS               SW 4-9 MPH.         NW 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       7500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR THU AUG 21        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          385 (FAIR).
OUTLOOK FOR THU AUG 21        134 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 7-13 MPH.        NW 5-10 MPH.
TRANSPORT WINDS               NW 7-13 MPH.        SW 12-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       9000 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR THU AUG 21        FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          503 (FAIR).
OUTLOOK FOR THU AUG 21        138 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      235 (POOR)
ELLENSBURG    441 (FAIR)
GOLDENDALE    343 (FAIR)
TRI-CITIES    665 (GOOD)
WALLA WALLA   932 (GOOD)
YAKIMA        423 (FAIR)
BEND          428 (FAIR)
ENTERPRISE    359 (FAIR)
HERMISTON     887 (GOOD)
JOHN DAY      436 (FAIR)
LA GRANDE     557 (FAIR)
MADRAS        495 (FAIR)
MEACHAM       582 (FAIR)
PENDLETON     955 (GOOD)
REDMOND       470 (FAIR)
SENECA        431 (FAIR)
THE DALLES    475 (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.

$$





National Weather Service
Disclaimer
Last Modified: August 31, 2005
Privacy Policy