181
FNUS76 KPDT 101644
FWSPDT
SPOT FORECAST FOR 55348 STRUCTURE BURN...HEPPNER FIRE
NATIONAL WEATHER SERVICE PENDLETON OR
944 AM PDT SAT MAY 10 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MAY 10.
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
AN APPROACHING TROUGH WILL BRING GUSTY WIND ACROSS
THE BURN SITE TODAY, ESPECIALLY THROUGH THE AFTERNOON HOURS. THERE
IS A 20% CHANCE OF WIND GUSTS REACHING UP TO 35 MPH THIS
AFTERNOON AND INTO THE EARLY EVENING. AS THE SYSTEM PROGRESSES
EASTWARD, THE TROUGH WILL PRODUCE RAIN SHOWERS BEGINNING LATE
TONIGHT. A 20-30% CHANCE OF SHOWERS WILL BE FOUND AFTER 2300, WITH
PROBABILITIES INCREASING TO 50% BY 1100 ON SUNDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.2 PERCENT.
MAX TEMPERATURE.....74-77.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH BECOMING NORTHWEST AT
15 TO 20 MPH AFTER 1100. GUSTS OF 20 TO
30 MPH AFTER 1100 WITH STRONGEST GUSTS
FAVORED AFTER 1400.
RIDGETOP WIND.......WEST WINDS AROUND 10 MPH BECOMING NORTHWEST
AT 20 TO 25 MPH. GUSTS TO AROUND 30 MPH
AFTER 1100.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....WEST-NORTHWEST 7 TO 14 MPH INCREASING TO AROUND 17 MPH
LATE IN THE AFTERNOON.
TIME (PDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............67 70 72 73 74 74 74 72 69 65 59 56
RH..............40 39 35 35 34 33 33 31 32 35 42 48
20 FT WIND DIR..W W W W NW NW NW W W W W W
20 FT WIND SPD..8 15 15 15 19 19 19 18 18 18 13 13
20 FT WIND GUST.10 20 20 20 25 25 25 24 24 24 18 18
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS AFTER 2300, BECOMING MORE FAVORABLE
AFTER 0400.
CWR.................8 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........64-69 PERCENT.
WIND (20 FT)........WEST-NORTHWEST WINDS 12 TO 18 MPH WITH GUSTS TO AROUND 24
MPH THROUGH 2300. WINDS THEN SHIFT TO THE SOUTHWEST AND
DECREASE TO 5 TO 10 MPH.
RIDGETOP WIND.......WEST-NORTHWEST WINDS 16 TO 22 MPH WITH GUSTS OF 25 TO 30
MPH THROUGH 2300. WINDS THEN SHIFT TO THE SOUTHWEST AND
DECREASE TO AROUND 10 MPH.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 20 MPH THROUGH 2300, THEN DECREASING TO
5 TO 10 MPH.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS THROUGH THE PERIOD.
CWR.................8 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MAX TEMPERATURE.....61-65.
MIN HUMIDITY........48-53 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH THROUGH 1100. WINDS THEN BECOME
NORTHWEST AT 10 TO 15 MPH.
RIDGETOP WIND.......WEST WINDS AROUND 10 MPH THROUGH 1100. WINDS THEN BECOME
NORTHWEST AT 15 TO 20 MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 15 MPH.
FORECASTER...BRANHAM
REQUESTED BY...STACY LAURITSEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2513592.1/PDT
.DELDT 05/10/25
.FORMATTERVERSION 2.0.0
.EMAIL LAURITSENSTACY@GMAIL.COM
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