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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