936  
FNUS76 KSTO 180252  
FWSSTO  
 
SPOT FORECAST FOR SHAKE OMO VMP...CAL FIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
752 PM PDT THU APR 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY WEATHER AND LIGHT WINDS EXPECTED THROUGH THE WEEKEND, AS HIGH  
PRESSURE BUILDS OVER THE AREA.  
 
 
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....62-66.  
MIN HUMIDITY........26-30 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT EAST WINDS UP TO 5 MPH SHIFTING TO THE  
SHIFTING TO THE NORTHWEST 5 TO 8 MPH LATE IN THE  
AFTERNOON.  
RIDGETOP...........EAST WINDS 5 TO 10 MPH SHIFTING TO THE  
SHIFTING TO THE NORTHWEST 10 TO 15 MPH LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 8 TO 13 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......CLEAR CLEAR MCLEAR MCLEAR CLEAR  
CWR.............0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0  
TEMP............46 53 61 62 62  
RH..............43 34 30 30 28  
SL/VL WIND......E 5 W 5 W 6 NW 7 NW 7  
SL/VL WIND GUST.10 10 13 15 16  
RIDGETOP WIND...E 8 W 8 N 10 NW 15 NW 15  
MIX HGT (FT)....1600 1600 4600 5100 5100  
TRANSPORT WIND..E 8 W 8 NW 10 NW 13 NW 13  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....41-45.  
MAX HUMIDITY........32-36 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS UP TO 7 MPH SHIFTING TO THE  
NORTHEAST UP TO 6 MPH LATE IN THE EVENING.  
RIDGETOP...........NORTH AROUND 10 MPH SHIFTING TO THE EAST 7 TO  
10 MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 10 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM  
SKY COVER.......MCLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............55 49 46 44 44 44  
RH..............34 35 34 33 31 29  
SL/VL WIND......N 7 NE 5 NE 5 NE 5 E 6 E 6  
SL/VL WIND GUST.12 12 10 10 12 12  
RIDGETOP WIND...N 10 NE 7 E 8 E 8 E 10 E 10  
MIX HGT (FT)....2800 300 200 200 100 200  
TRANSPORT WIND..N 10 NE 7 E 8 E 8 E 10 E 10  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....63-67.  
MIN HUMIDITY........24-28 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS UP TO 6 MPH SHIFTING TO THE  
SOUTHWEST UP TO 7 MPH LATE IN THE MORNING.  
RIDGETOP...........EAST 6 TO 10 MPH SHIFTING TO THE WEST 6 TO 7  
MPH LATE IN THE MORNING.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH DECREASING TO 6 TO 10 MPH IN  
THE MORNING, THEN SHIFTING TO THE WEST 6 TO 7  
MPH LATE IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............45 49 57 62 64 64  
RH..............29 29 26 28 33 37  
SL/VL WIND......E 6 E 5 E 5 SW 5 SW 7 SW 7  
SL/VL WIND GUST.12 9 9 10 12 12  
RIDGETOP WIND...E 10 E 6 E 6 SW 6 W 7 W 7  
MIX HGT (FT)....200 300 300 3400 4600 4600  
TRANSPORT WIND..E 10 E 6 E 6 SW 6 W 7 W 7  
   
FORECAST DAYS 3 THROUGH 5  
   
SUNDAY  
 
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. LIGHT WINDS.    
MONDAY  
 
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. LIGHT WINDS.    
TUESDAY  
 
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. LIGHT WINDS.  
 
 
FORECASTER...DA  
REQUESTED BY...ALEX ELLIOTT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510968.0/STO  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ALEX.ELLIOTT@FIRE.CA.GOV  
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