543
FNUS76 KSGX 021333
FWSSGX
SPOT FORECAST FOR BIRCH HILL RX...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
633 AM PDT WED APR 2 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON APRIL 02.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TODAY AND THURSDAY WILL BEEN COOL, WITH GUSTY WEST TO SOUTHWEST
WINDS AND OFF-AND-ON SNOW AND MIXED RAIN AND SNOW SHOWERS. SHOWERS
WILL TAPER OFF THIS MORNING TO THE AFTERNOON, BUT INCREASE IN
COVERAGE AGAIN THIS EVENING. MEANWHILE, WEST WINDS WILL BE
STRONGEST THIS MORNING AND AFTERNOON, BEFORE STARTING TO WEAKEN IN
THE EVENING AND OVERNIGHT. MOST FREQUENT SHOWERS EXPECTED
THURSDAY IN THE MORNING AND EARLY AFTERNOON. ALL TOLD, ABOUT
0.40-0.60" LIQUID PRECIP ACCUMULATION EXPECTED NOW THROUGH
THURSDAY, MOSTLY IN THE FORM OF 2.5-3.5" SNOW.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY, WITH AREAS OF
LOW/CLOUDS FOG IN THE MORNING. 20% CHANCE SNOW/MIXED
RAIN AND SNOW SHOWERS THIS MORNING, DECREASING
TO 10% IN THE AFTERNOON, INCREASING TO 20% AGAIN
IN THE EVENING. ADDITIONAL 1-1.5 INCHES SNOW
(0.15-0.25" LIQUID ACCUMULATION).
MAX TEMPERATURE.....AROUND 37 DEGREES.
MIN HUMIDITY........74 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 7-12 MPH WITH GUSTS TO AROUND 15
MPH.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 10-15 MPH WITH GUSTS TO AROUND 20
MPH.
RIDGETOP...........WEST 25-30 MPH DECREASING TO AROUND 20 MPH
IN THE LATE MORNING AND AFTERNOON.
CWR.................14 PERCENT INCREASING TO 21 PERCENT IN THE EVENING.
MIXING HEIGHT.......INCREASING TO 3300 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 22 MPH.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 42 42 42 48 48 48 54 54 54 61
WEATHER COV.....ARS ARS ARS ARS SCH
WEATHER TYPE....FOG FOG FOG FOG SW
TSTM COV........
TEMP............33 33 32 34 34 36 36 36 37 37 36
RH..............81 80 83 78 77 75 80 81 82 81 82
20 FT WIND DIR..W W W W W W W W W W W
20 FT WIND SPD..12 12 12 12 12 10 10 10 12 12 12
20 FT WIND GUST.18 18 18 18 18 18 18 18 18 18 18
EYE LVL WND DIR.W W W W W W W W W W W
EYE LVL WND SPD.8 8 8 8 8 7 7 7 8 8 8
EYE LVL WND GST.13 13 13 13 13 13 13 13 13 13 13
RIDGE WIND DIR..W W W W NW W W W W W W
RIDGE WIND SPD..25 30 25 20 20 20 20 20 20 20 20
CWR.............10 10 10 10 10 10 10 10 10 10 20
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY, WITH
AREAS OF FOG/LOW CLOUDS IN THE LATE EVENING.
30-50% CHANCE FOR SNOW SHOWERS OVERNIGHT. ADDITIONAL
SNOW ACCUMULATION OF 1-2" POSSIBLE (0.30-0.40" LIQUID).
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........97 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5-8 MPH, GUSTS 10-14 MPH, GRADUALLY DECREASING
OVERNIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST-SOUTHWEST WINDS 7-11 MPH, GUSTS 14-16 MPH, GRADUALLY
DECREASING OVERNIGHT.
RIDGETOP...........WEST-SOUTHWEST 15-20 MPH.
CWR.................21 PERCENT INCREASING TO 35 PERCENT LATE IN THE
EVENING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........61 61 69 69 69 76 76 76 81 81 81 82
WEATHER COV.....SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....SW SW SW SW SW SNF SNF SNF SNF SNF SNF SNF
TSTM COV........
TEMP............36 35 35 35 35 36 36 36 37 36 36 35
RH..............81 80 79 77 74 72 71 74 74 76 78 80
20 FT WIND DIR..W W SW SW SW SW SW SW W W W W
20 FT WIND SPD..10 10 9 8 8 7 8 8 8 8 7 7
20 FT WIND GUST.17 16 15 15 14 13 13 14 14 14 13 11
EYE LVL WND DIR.W W SW SW SW SW SW SW W W W W
EYE LVL WND SPD.7 7 7 6 6 5 5 6 6 6 5 4
EYE LVL WND GST.12 12 11 11 10 9 9 10 10 10 9 8
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..20 15 20 15 15 20 15 15 15 15 15 15
CWR.............20 20 20 20 20 40 40 40 40 40 40 30
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FOG/LOW CLOUDS IN
THE MORNING. 40-50% CHANCE SNOW/MIXED RAIN
AND SNOW SHOWERS IN THE MORNING AND AFTERNOON, SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE MORNING.
SHOWERS TAPERING OFF IN THE EVENING. 0.20-0.5" SNOW
POSSIBLE (0.15-0.25" LIQUID).
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........70 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5-6 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING.
RIDGETOP...........SOUTHWEST 10-15 MPH.
CWR.................31 PERCENT INCREASING TO 42 PERCENT LATE IN THE
MORNING, THEN DECREASING TO 14 PERCENT LATE IN
THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 2200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 10 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........82 82 78 78 78 66 66 66 73 73 73 68
WEATHER COV.....CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY LKY SCH
WEATHER TYPE....SNF SNF SNF SNF SNF SW SW SW SW SW SW SW
TSTM COV........ SCH SCH SCH SCH SCH SCH
TEMP............35 34 34 33 33 35 36 36 37 37 37 36
RH..............81 82 84 91 92 89 90 91 94 95 97 95
20 FT WIND DIR..SW SW SW SW S S S SW SW SW SW SW
20 FT WIND SPD..6 6 6 6 5 5 5 5 6 5 5 5
20 FT WIND GUST.11 11 11 10 10 9 9 10 10 10 9 9
EYE LVL WND DIR.SW SW SW SW S S S SW SW SW SW SW
EYE LVL WND SPD.4 4 4 4 4 4 4 4 4 4 4 4
EYE LVL WND GST.8 8 8 7 7 7 7 7 7 7 7 7
RIDGE WIND DIR..SW SW SW SW SW S S S S SW SW SW
RIDGE WIND SPD..15 15 10 10 10 5 5 5 5 5 5 5
CWR.............30 30 30 30 30 40 40 40 40 40 40 10
FORECASTER...CHANDLER PRICE
REQUESTED BY...CLINT GREEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2508436.1/SGX
.DELDT 04/02/25
.FORMATTERVERSION 2.0.0
.EMAIL CLINTON.GREEN@USDA.GOV
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