148
FNUS76 KPDT 101947
FWSPDT
SPOT FORECAST FOR TUMALO RX...BLM
NATIONAL WEATHER SERVICE PENDLETON OR
1247 PM PDT SAT MAY 10 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MAY 11.
***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 PRODUCE SHOWER ACTIVITY
ACROSS THE BURN SITE FOR SUNDAY. CONDITIONS WILL BECOME UNSTABLE
SUNDAY AFTERNOON, WITH A SLIGHT CHANCE (10-20%) OF THUNDERSTORM
ACTIVITY THROUGH THE AFTERNOON. GUSTY WINDS WILL DEVELOP IN THE
AFTERNOON ON SUNDAY, WITH A 20-30% CHANCE FOR GUSTS OF 25 MPH
THROUGH AFTERNOON. LINGERING RAIN SHOWERS FAVORED FOR MONDAY,
THOUGH WIND SHOULD LESSEN.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE MORNING, WITH CHANCES
INCREASING THROUGH THE AFTERNOON.
CWR.................3 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT.
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........LIGHT DOWNSLOPE/DOWNVALLEY WINDS BECOMING WEST
5 TO 10 MPH AFTER 1100. GUSTS TO 20 MPH POSSIBLE
AFTER 1400.
RIDGETOP WIND.......LIGHT AND VARIABLE WINDS BECOMING WEST
AROUND 10 MPH AFTER 1100. GUSTS OF 20 TO 25 MPH
POSSIBLE AFTER 1400.
MIXING HEIGHT.......7400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH INCREASING TO 15 TO 20
MPH AFTER 1400.
TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM
CHC OF LTNG (%).0 0 0 0 10 10
TEMP............51 58 61 60 58 54
RH..............59 43 39 38 41 48
20 FT WIND......W 4 W 6 W 6 W 8 W 8 W 8
20 FT WIND GUST. 10 10 13 14 14
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN
SHOWERS.
CWR.................3 PERCENT INCREASING TO 24 PERCENT LATE IN THE
EVENING.
CHANCE OF LIGHTNING.10 PERCENT.
MIN TEMPERATURE.....36-41.
MAX HUMIDITY........81-86 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH IN THE EVENING BECOMING
LIGHT UPSLOPE/UPVALLEY.
RIDGETOP WIND.......WEST WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT AND VARIABLE.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 16 MPH SHIFTING TO THE SOUTH 6
TO 8 MPH AFTER 2300, THEN SHIFTING TO
THE SOUTH-SOUTHWEST AROUND 5 AFTER 0400.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS AFTER
1100 THROUGH THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1700.
CWR.................16 PERCENT INCREASING TO 28 PERCENT LATE IN THE
MORNING, THEN DECREASING TO 2 PERCENT LATE IN
THE AFTERNOON.
CHANCE OF LIGHTNING.20 PERCENT.
MAX TEMPERATURE.....55-58.
MIN HUMIDITY........41-46 PERCENT.
WIND (20 FT)........LIGHT DOWNSLOPE/DOWNVALLEY WINDS AROUND 5 TO 10 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
BETWEEN 1100 AND 1700.
RIDGETOP WIND.......LIGHT AND VARIABLE WIND BECOMING WEST 5 TO 10 AFTER 1100.
GUSTY AND ERRATIC WIND POSSIBLE WITH STORMS.
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 14 MPH.
FORECASTER...BRANHAM
REQUESTED BY...JUSTIN DECROO
TYPE OF REQUEST...PRESCRIBED
.TAG 2513690.0/PDT
.DELDT 05/10/25
.FORMATTERVERSION 2.0.0
.EMAIL JDECROO@BLM.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page