016  
FNUS76 KSTO 180209  
FWSSTO  
 
SPOT FORECAST FOR SHAKE OMO VMP...CAL FIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
709 PM PDT THU APR 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1900 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 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  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....43-47.  
MAX HUMIDITY........64-68 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
RIDGETOP...........WEST AROUND 6 MPH SHIFTING TO THE NORTHEAST 6  
TO 10 MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 6 MPH SHIFTING TO THE NORTHEAST 6  
TO 10 MPH EARLY IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM  
SKY COVER.......MCLEAR CLEAR CLEAR CLEAR  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............59 50 47 46  
RH..............46 63 63 57  
SL/VL WIND......W 6G12 W 2G6 E 2G6 E 3G7  
RIDGETOP WIND...W 6 N 6 NE 6 NE 8  
MIX HGT (FT)....3800 400 300 300  
TRANSPORT WIND..W 6 N 6 NE 6 NE 8  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....66-70.  
MIN HUMIDITY........32-36 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 7 MPH LATE  
IN THE MORNING.  
RIDGETOP...........EAST 8 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AROUND 9 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......4800 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH DECREASING TO 8 TO 10 MPH IN  
THE MORNING, THEN SHIFTING TO THE SOUTHWEST  
AROUND 9 MPH LATE IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6 AM 10 AM 2 PM  
SKY COVER.......CLEAR CLEAR CLEAR  
CWR.............0 0 0  
CHC OF THDR (%).0 0 0  
TEMP............47 60 67  
RH..............53 37 36  
SL/VL WIND......E 3G8 E 2G7 W 7G12  
RIDGETOP WIND...NW 5 W 10 W 10  
MIX HGT (FT)....300 400 4800  
TRANSPORT WIND..E 10 E 8 SW 9  
 
 
FORECASTER...CS  
REQUESTED BY...ALEX ELLIOTT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510966.0/STO  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ALEX.ELLIOTT@FIRE.CA.GOV  
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