581
FNUS76 KPDT 300812
FWSPDT
SPOT FORECAST FOR COLD CANAL 505A...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
112 AM PDT THU APR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON APRIL 30.
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS ***
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES ***
***CWR: CHANCE OF WETTING RAIN 0.10 OR GREATER ***
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.
CATEGORIES ARE A GENERALIZED INDICATOR ONLY:
LOW (< 200), MODERATE (200-500), HIGH (500-700),
AND VERY HIGH (> 700). ***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
DRY WEATHER IS EXPECTED THROUGH FRIDAY.
WINDS WILL MAINLY BE 10 MPH OR LESS. TEMPERATURES WILL WARM EACH DAY.
MIN RH VALUES WILL BE 30 TO 35 PERCENT TODAY AND 25 TO 30 PERCENT ON FRIDAY,
WITH MODERATE OVERNIGHT RECOVERIES.
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....56-59.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH.
RIDGETOP WIND.......NORTH TO NORTHEAST WIND 5 TO 10 MPH.
MIXING HEIGHT.......6900 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....EAST AROUND 7 MPH.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (310) IN THE
AFTERNOON.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....40-43.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH SHIFTING TO THE
SOUTHWEST OVERNIGHT.
RIDGETOP WIND.......NORTHEAST WIND 5 TO 10 MPH BECOMING SOUTH
BY DAYBREAK.
MIXING HEIGHT.......4100 FT AGL EARLY IN THE EVENING.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.
VENTILATION INDEX...LOW (140) DECREASING TO LOW (30) OVERNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH.
RIDGETOP WIND.......SOUTH WINDS 5 TO 10 MPH.
MIXING HEIGHT.......6400 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
VENTILATION INDEX...LOW (50) INCREASING TO HIGH (560) IN THE
AFTERNOON.
FORECASTER...NIERENBERG
REQUESTED BY...ANDREW HAYES
TYPE OF REQUEST...PRESCRIBED
.TAG 2612019.1/PDT
.DELDT 04/30/26
.FORMATTERVERSION 2.0.0
.EMAIL ANDREW.C.HAYES@USDA.GOV,EAGLECAPWFM@GMAIL.COM
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