Daily Dispersion Outlook Issued by NWS Pendleton, OR
000
AUUS46 KPDT 111140
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
440 AM PDT THU APR 11 2024
*** AIR DISPERSION CATEGORIES: GOOD, FAIR, POOR ***
FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO
7:00 AM AFTERNOON
SURFACE WINDS SE 3-6 MPH. W 6-11 MPH.
TRANSPORT WINDS S 3-6 MPH. SW 6-11 MPH.
MIXING HEIGHT NEAR SURFACE. 5000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR FRI APR 12 FAIR.
OUTLOOK FOR SAT APR 13 FAIR.
VENTILATION INDEX (CATEGORY) 27 (POOR). 221 (POOR).
OUTLOOK FOR FRI APR 12 142 (POOR).
OUTLOOK FOR SAT APR 13 166 (POOR).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 2-4 MPH. SW 6-11 MPH.
TRANSPORT WINDS W 2-5 MPH. SW 10-16 MPH.
MIXING HEIGHT NEAR SURFACE. 6000 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR FRI APR 12 POOR.
OUTLOOK FOR SAT APR 13 POOR.
VENTILATION INDEX (CATEGORY) 25 (POOR). 361 (FAIR).
OUTLOOK FOR FRI APR 12 184 (POOR).
OUTLOOK FOR SAT APR 13 143 (POOR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS SE 3-6 MPH. S 10-16 MPH.
TRANSPORT WINDS S 6-11 MPH. S 12-20 MPH.
MIXING HEIGHT NEAR SURFACE. 9000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR FRI APR 12 FAIR.
OUTLOOK FOR SAT APR 13 FAIR.
VENTILATION INDEX (CATEGORY) 71 (POOR). 750 (GOOD).
OUTLOOK FOR FRI APR 12 211 (POOR).
OUTLOOK FOR SAT APR 13 177 (POOR).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS SE 2-6 MPH. NW 4-7 MPH.
TRANSPORT WINDS S 4-9 MPH. W 5-9 MPH.
MIXING HEIGHT NEAR SURFACE. 4500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR FRI APR 12 POOR.
OUTLOOK FOR SAT APR 13 FAIR.
VENTILATION INDEX (CATEGORY) 31 (POOR). 181 (POOR).
OUTLOOK FOR FRI APR 12 130 (POOR).
OUTLOOK FOR SAT APR 13 164 (POOR).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 283 (POOR)
ELLENSBURG 352 (FAIR)
GOLDENDALE 427 (FAIR)
TRI-CITIES 295 (POOR)
WALLA WALLA 134 (POOR)
YAKIMA 355 (FAIR)
BEND 726 (GOOD)
PRINEVILLE 635 (GOOD)
ENTERPRISE 348 (FAIR)
HERMISTON 235 (POOR)
JOHN DAY 1022 (GOOD)
LA GRANDE 677 (GOOD)
MADRAS 528 (FAIR)
MEACHAM 248 (POOR)
PENDLETON 172 (POOR)
REDMOND 521 (FAIR)
SENECA 1050 (GOOD)
THE DALLES 373 (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/GFORECAST/GINDEX.PHP?FCST=MIXHGT,VENTCAT,TRANSWIND,VENTINDX&VT=0,72
IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$