959
FNUS76 KPDT 070943
FWSPDT
SPOT FORECAST FOR MUDDY SLED...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
243 AM PDT TUE APR 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 07.
***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 THE
TRANSPORT WIND MULTIPLIED BY THE MIXING
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES
ARE A GENERALIZED INDICATOR ONLY.***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
A SLOW MOVING COLD FRONTAL BOUNDARY AND MID LEVEL JET ALOFT WILL RESULT IN
SURFACE WINDS PICKING UP WESTERLY MOMENTUM THIS AFTERNOON.
WINDS AT 8 AM ARE GENERALLY EXPECTED IN THE 5 TO 10 MPH RANGE
BUT WITH RIDGETOP WINDS ALREADY AROUND 20 MPH. BY NOON, EXPECT
WINDS SPEEDS OF 15 TO 20 MPH AND GUSTS OF 30 POSSIBLE. WINDS WEAKEN
CONSIDERABLY (DOWN TO 10 MPH AGAIN) BETWEEN 6 AND 8 PM.
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 12 MPH. GUSTS UP TO 24 MPH
INCREASING TO 36 MPH IN THE AFTERNOON.
RIDGETOP WIND.......WEST AROUND 25 TO 36 MPH
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 28 MPH.
VENTILATION INDEX...FAIR (270) INCREASING TO EXCELLENT (1050) IN
THE AFTERNOON.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 24
MPH IN THE EVENING BECOMING LIGHT.
RIDGETOP WIND.......WEST 15 TO 24 MPH.
MIXING HEIGHT.......600 FT AGL IN THE EVENING.
TRANSPORT WINDS.....WEST AROUND 7 MPH.
VENTILATION INDEX...FAIR (230) DECREASING TO POOR (30) OVERNIGHT.
WEDNESDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........23-28 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......WEST 8 TO 12 MPH
MIXING HEIGHT.......5300 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.
VENTILATION INDEX...POOR (30) INCREASING TO FAIR (380) IN THE
AFTERNOON.
FORECASTER...RUSSELL
REQUESTED BY...ANDY HAYES
TYPE OF REQUEST...PRESCRIBED
.TAG 2609224.0/PDT
.DELDT 04/07/26
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM.PAGE@USDA.GOV,EAGLECAPWFM@GMAIL.COM,ANDREW.C.HAYES@USDA.GOV
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