944
AUUS46 KPDT 261153
DDOPDT
DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
453 AM PDT FRI JUL 26 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 2-6 MPH. N 4-7 MPH.
TRANSPORT WINDS SW 3-6 MPH. NW 4-8 MPH.
MIXING HEIGHT NEAR SURFACE. 6000 FT MSL.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SAT JUL 27 FAIR.
OUTLOOK FOR SUN JUL 28 GOOD.
VENTILATION INDEX (CATEGORY) 39 (POOR). 229 (POOR).
OUTLOOK FOR SAT JUL 27 453 (FAIR).
OUTLOOK FOR SUN JUL 28 801 (GOOD).
FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA
7:00 AM AFTERNOON
SURFACE WINDS NW 1-4 MPH. SE 3-7 MPH.
TRANSPORT WINDS NW 4-8 MPH. SW 2-5 MPH.
MIXING HEIGHT NEAR SURFACE. 7000 FT MSL.
DISPERSION CATEGORY POOR. POOR.
OUTLOOK FOR SAT JUL 27 POOR.
OUTLOOK FOR SUN JUL 28 FAIR.
VENTILATION INDEX (CATEGORY) 59 (POOR). 135 (POOR).
OUTLOOK FOR SAT JUL 27 274 (POOR).
OUTLOOK FOR SUN JUL 28 360 (FAIR).
FOR THE GRANDE RONDE RIVER VALLEY
7:00 AM AFTERNOON
SURFACE WINDS N 1-3 MPH. N 4-7 MPH.
TRANSPORT WINDS N 3-5 MPH. W 8-11 MPH.
MIXING HEIGHT 4000 FT MSL. 9000 FT MSL.
DISPERSION CATEGORY POOR. GOOD.
OUTLOOK FOR SAT JUL 27 GOOD.
OUTLOOK FOR SUN JUL 28 GOOD.
VENTILATION INDEX (CATEGORY) 58 (POOR). 301 (FAIR).
OUTLOOK FOR SAT JUL 27 530 (FAIR).
OUTLOOK FOR SUN JUL 28 629 (GOOD).
FOR THE BASE OF THE NORTHERN BLUE MOUNTAINS
7:00 AM AFTERNOON
SURFACE WINDS S 2-6 MPH. NW 6-8 MPH.
TRANSPORT WINDS S 5-9 MPH. NW 6-8 MPH.
MIXING HEIGHT NEAR SURFACE. 5500 FT MSL.
DISPERSION CATEGORY POOR. FAIR.
OUTLOOK FOR SAT JUL 27 FAIR.
OUTLOOK FOR SUN JUL 28 GOOD.
VENTILATION INDEX (CATEGORY) 46 (POOR). 265 (POOR).
OUTLOOK FOR SAT JUL 27 447 (FAIR).
OUTLOOK FOR SUN JUL 28 782 (GOOD).
SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM 378 (FAIR)
ELLENSBURG 225 (POOR)
GOLDENDALE 209 (POOR)
TRI-CITIES 187 (POOR)
WALLA WALLA 213 (POOR)
YAKIMA 176 (POOR)
BEND 377 (FAIR)
PRINEVILLE 335 (FAIR)
ENTERPRISE 446 (FAIR)
HERMISTON 177 (POOR)
JOHN DAY 709 (GOOD)
LA GRANDE 352 (FAIR)
MADRAS 289 (POOR)
MEACHAM 236 (POOR)
PENDLETON 272 (POOR)
REDMOND 337 (FAIR)
SENECA 1039 (GOOD)
THE DALLES 98 (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/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.
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