099  
FNUS76 KMTR 260825  
FWSMTR  
 
SPOT FORECAST FOR ANGEL ISLAND PILE BURN...CALIFORNIA STATE PARKS  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
125 AM PDT THU MAR 26 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0650 PDT ON MARCH 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
VARIABLE WINDS ARE FORECAST ON THURSDAY MORNING, THOUGH  
A NORTHERLY DIRECTION WILL BE FAVORED AT TIMES. CONFIDENCE IS  
HIGH, THAT WINDS WILL SHIFT AND BECOME MORE WESTERLY BY NOON.  
SPEEDS ARE ANTICIPATED TO REMAIN LARGELY BELOW 10 MPH, THOUGH  
OCCASIONAL GUSTS TO NEAR 15 MPH CANNOT BE DISCOUNTED. MORNING RH  
RECOVERY WILL BE EXCELLENT WITH VALUES ABOVE 70%. SOME SHADING DUE  
TO HIGH CLOUDS CAN BE ANTICIPATED WITH AFTERNOON RH FALLING BELOW  
40%. OVERNIGHT RH TRENDS INTO FRIDAY MORNING WILL REMAIN SIMILAR  
WITH A BETTER POTENTIAL FOR NORTHERLY/OFFSHORE WINDS ON FRIDAY  
MORNING. MIXING HEIGHTS BELOW 1000 FEET AND TRANSPORT WINDS UNDER  
10 MPH MAY EQUATE TO POOR DISPERSION THROUGH THE BURN WINDOW.  
OTHERWISE, RAIN CHANCES REMAIN NEAR 0% INTO THE WEEKEND.  
   
TODAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
MAX TEMPERATURE.....74-78.  
MIN HUMIDITY........38-42 PERCENT.  
WIND (20 FT)........VARIABLE WINDS OF 5 TO 7 MPH SHIFTING TO THE WEST 8  
TO 9 MPH BY NOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 6 MPH.  
MARINE LAYER........NONE.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY.  
MIN TEMPERATURE.....53-57.  
MAX HUMIDITY........66-70 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH IN THE EVENING BECOMING  
LIGHT.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 4 MPH.  
MARINE LAYER........NONE.  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
MAX TEMPERATURE.....74-78.  
MIN HUMIDITY........37-41 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 6 TO 7 MPH IN THE  
AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 6 MPH.  
MARINE LAYER........NONE.  
 
 
FORECASTER...L_BAIN  
REQUESTED BY...NAFTALI MOED  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607577.1/MTR  
.DELDT 03/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NAFTALI.MOED@PARKS.CA.GOV  
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