453
FNUS76 KSTO 171855
FWSSTO
SPOT FORECAST FOR BLACK GULCH HAND PILES...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
1155 AM PDT MON MAR 17 2025
FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON MARCH 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY WEATHER WILL RETURN TUESDAY AND WEDNESDAY. A
WEAK SYSTEM WILL BRING RAIN AND SNOW SHOWERS THURSDAY AND FRIDAY
WITH A CHANCE FOR WETTING RAINS. THEN A DRYING AND WARMING TREND
BEGINS INTO THE WEEKEND WITH TEMPERATURES WARMING INTO THE UPPER
50'S AND LOW 60'S FOR HIGH TEMPERATURES, MIN RELATIVE HUMIDITY
LOOK TO DROP IN THE 35-45 PERCENT RANGE. THE WARMER TEMPERATURES
WILL BE AT MUCH LOWER ELEVATION THAN THE FIRE SITE, WHERE
TEMPERATURES MAY APPROACH 80 DEGREES BELOW 1,000 FEET. AGAIN,
THESE WARM TEMPS ARE NOT EXPECTED AT THE FIRE SITE.
TUESDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....39-43.
MIN HUMIDITY........49-53 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST 6 TO 7 MPH SHIFTING TO THE WEST LATE
IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH BECOMING 6 TO 7 MPH IN
THE MORNING AND EARLY AFTERNOON, THEN SHIFTING
TO THE WEST LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 10 AM 2 PM
SKY COVER.......MCLEAR PCLDY MCLEAR
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............19 26 39
RH..............81 71 52
20 FT WIND......NW 2G5 NE 2G5 SW 2G8
SL/VL WIND......NW 2G5 NE 2G5 SW 2G8
RIDGETOP WIND...M M M
MIX HGT (FT)....100 200 3000
TRANSPORT WIND..NE 6 NE 7 W 6
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN
THE LOWER 40S. LIGHT WINDS.
THURSDAY
SNOW SHOWERS. LOWS AROUND 30. HIGHS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. LIGHT
WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S.
SUNDAY
PARTLY CLOUDY. AREAS OF FROST IN THE EVENING, THEN WIDESPREAD
FROST. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE LOW 60S.
FORECASTER...CS
REQUESTED BY...LUKE PASCUCCI
TYPE OF REQUEST...PRESCRIBED
.TAG 2506753.0/STO
.DELDT 03/17/25
.FORMATTERVERSION 2.0.0
.EMAIL LUCAS.PASCUCCI@USDA.GOV
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