276
FNUS76 KMFR 200019
FWSMFR
SPOT FORECAST FOR RIDGE RX...USFS
NATIONAL WEATHER SERVICE MEDFORD OR
519 PM PDT MON MAY 19 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
AN INVERSION AROUND 2000 FEET WILL BE PRESENT THROUGH THE MORNING
HOURS ON TUESDAY, BUT BY THE AFTERNOON WE WILL LIKELY HAVE MIXING
UP TO AROUND 5000-6000 FEET. LIGHT WIND SPEEDS WILL INCREASE IN
THE AFTERNOON AS MIXING HEIGHTS RISE, AND SPEEDS COULD APPROACH 10
MPH AT TIMES. THIS WILL COINCIDE WITH DRY AFTERNOON CONDITIONS AS
RH DROPS INTO THE LOW TO MID 20 PERCENT RANGE. WIND SPEEDS WILL
SUBSIDE UNDER TYPICAL DIURNAL CONDITIONS NEAR/AFTER SUNSET.
LASTLY, WHILE WE AREN'T EXPECTING SHOWERS AROUND THE PRESCRIBED
BURN AREA, THERE WILL LIKELY BE SHOWERS TO THE NORTH AND WEST
THROUGH THE MORNING HOURS.
TUESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........26 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 3 MPH LATE IN
THE AFTERNOON.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH LATE IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 8 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 14 MPH.
CWR.................0 PERCENT.
TIME (PDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR CLR CLR CLR CLR CLR CLR CLR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0
TEMP............45 49 53 57 59 59 61 59
RH..............49 41 34 31 26 26 26 26
20 FT WIND DIR..NW W W W W W W NW
20 FT WIND SPD..3 3 3 3 5 5 5 8
20 FT WIND GUST.6 6 6 6 7 7 7 13
EYE LVL WND DIR.NW W W W W W W NW
EYE LVL WND SPD.1 1 1 1 2 2 2 3
EYE LVL WND GST.2 2 2 2 3 3 3 5
MIX HGT (KFT)...3.7 5.4 5.4 5.4 6.0 6.0 6.0 5.4
TRANSP WIND DIR.W W W W W W W W
TRANSP WIND SPD.7 8 8 8 13 13 13 14
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 25.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS UP TO 3 MPH BECOMING LIGHT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 14 MPH SHIFTING TO THE NORTH 5
TO 7 MPH LATE IN THE EVENING.
CWR.................0 PERCENT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......CLR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............58 55 49 43 39 36 33 30 28 26 25 25
RH..............31 36 45 60 69 79 87 92 96 100 100 100
20 FT WIND DIR..NW NW NW NW NW N N N NW NW NW W
20 FT WIND SPD..8 8 6 6 6 3 3 3 2 2 2 2
20 FT WIND GUST.13 13 8 8 8 6 6 6 5 5 5 5
EYE LVL WND DIR.NW NW NW NW NW N N N NW NW NW W
EYE LVL WND SPD.3 3 2 2 2 1 1 1 1 1 1 1
EYE LVL WND GST.5 5 3 3 3 2 2 2 2 2 2 2
MIX HGT (KFT)...5.4 5.4 0.8 0.8 0.8 0.5 0.5 0.5 0.5 0.5 0.5 0.4
TRANSP WIND DIR.W W NW NW NW N N N NE NE NE NE
TRANSP WIND SPD.14 14 8 8 8 7 7 7 5 5 5 6
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF LIGHTNING.6 PERCENT.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........21 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 3 MPH LATE
IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 6 TO 8 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......8400 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 6 MPH SHIFTING TO THE SOUTHWEST 5 TO
14 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR PC PC PC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 10
TEMP............27 31 36 44 51 57 61 63 65 67 68 67
RH..............94 84 73 59 44 32 25 22 21 19 20 22
20 FT WIND DIR..W W SE SE SE SW SW SW SW SW SW SW
20 FT WIND SPD..2 2 1 1 1 2 2 2 6 6 6 8
20 FT WIND GUST.5 5 4 4 4 5 5 5 10 10 10 13
EYE LVL WND DIR.W W SE SE SE SW SW SW SW SW SW SW
EYE LVL WND SPD.1 1 0 0 0 1 1 1 2 2 2 3
EYE LVL WND GST.2 2 2 2 2 2 2 2 4 4 4 5
MIX HGT (KFT)...0.4 0.4 1.3 1.3 1.3 3.6 3.6 3.6 7.0 7.0 7.0 8.4
TRANSP WIND DIR.NE NE E E E S S S SW SW SW SW
TRANSP WIND SPD.6 6 3 3 3 5 5 5 10 10 10 14
FORECASTER...GUERRERO
REQUESTED BY...DAX HERRERA
TYPE OF REQUEST...PRESCRIBED
.TAG 2514295.0/MFR
.DELDT 05/19/25
.FORMATTERVERSION 2.0.0
.EMAIL DAX.HERRERA@USDA.GOV
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