158  
FNUS76 KMTR 131326  
FWSMTR  
 
SPOT FORECAST FOR CASTLE HILL UNIT 4 PILES...CONTRA COSTA COUNTY FIRE  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
526 AM PST MON JAN 13 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON JANUARY 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
STRONG NE WINDS ARE EXPECTED THROUGH THE MORNING,  
DECREASING THIS AFTERNOON. WE HAVE SEEN GUSTS AS HIGH AS 52 MPH  
AT THE OAKLAND NORTH RAWS EARLY THIS MORNING, AND THAT WILL  
CONTINUE FOR A FEW MORE HOURS. DRY AIR AND COOL TEMPERATURES WILL  
LEAD TO MODERATE HUMIDITY. IF THE WINDS ARE TOO HIGH FOR THIS  
BURN, CONDITIONS WILL BE MUCH CALMER TOMORROW.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....56-60.  
MIN HUMIDITY........33-37 PERCENT.  
WIND (20 FT)........NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH  
LATE IN THE MORNING.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......1900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 13 MPH.  
MARINE LAYER........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....35-39.  
MAX HUMIDITY........61-65 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH SHIFTING TO THE  
SOUTHWEST OVERNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH.  
MARINE LAYER........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....56-60.  
MIN HUMIDITY........37-41 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......1300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH.  
MARINE LAYER........NONE.  
 

 
FORECASTER...D_FLYNN  
REQUESTED BY...AARON BRUNTON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2500357.0/MTR  
.DELDT 01/13/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ABRUN@CCCFPD.ORG  
 
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