023
FNUS76 KPDT 220055
FWSPDT
SPOT FORECAST FOR OTHELLO WILDFIRE...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE PENDLETON OR
555 PM PDT THU MAY 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON MAY 21.
***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 CONDITIONS WITH WINDS LESS THAN 10 MPH ARE EXPECTED.
MIN RH VALUES WILL BE 15 TO 20 PERCENT FRIDAY WITH MODERATE OVERNIGHT
RECOVERIES.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
PARTLY CLOUDY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........48-53 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 8 MPH, THEN SHIFTING
TO THE NORTHEAST 5 TO 7 MPH AFTER 3 AM.
RIDGETOP WIND.......NORTHEAST WIND 5 TO 10 MPH BECOMING SOUTH
OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE EAST 5
TO 8 MPH EARLY IN THE EVENING.
VENTILATION INDEX...LOW (120) DECREASING TO LOW (30) OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............76 75 70 64 61 59 57 55 53 51 50 49
RH..............18 21 26 30 31 33 35 40 44 48 50 53
20 FT WIND DIR..NE E E E E SE E E E NE NE E
20 FT WIND SPD..6 6 6 6 6 7 7 6 6 5 5 5
20 FT WIND GUST. 6
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH SHIFTING TO THE SOUTH 5
TO 8 MPH LATE IN THE MORNING.
RIDGETOP WIND.......SOUTH WIND 5 TO 10 MPH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST 6
TO 7 MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...LOW (40) INCREASING TO MODERATE (390) IN THE
AFTERNOON.
FORECASTER...NIERENBERG
REQUESTED BY...THOMAS BOGGS
TYPE OF REQUEST...WILDFIRE
.TAG 2614270.0/PDT
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL THOMAS_BOGGS@FWS.GOV
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