369  
FNUS76 KMTR 190026  
FWSMTR  
 
SPOT FORECAST FOR SITE 300 CONTROL BURN 6/19...ALAMEDA COUNTY FIRE  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
526 PM PDT MON JUN 18 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON JUNE 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
BUILDING HIGH PRESSURE WILL LEAD TO A FEW DEGREES OF  
WARMING AND DRYING FOR TUESDAY. WESTERLY WINDS WILL PREVAIL AND BE  
LIGHT THROUGH MIDDAY OR EARLY AFTERNOON. LATE DAY WESTERLY GUSTS TO  
AROUND 20 MPH AFTER 3 PM. WINDS WILL EASE AFTER SUNSET WITH MODERATE  
HUMIDITY RECOVERY TUESDAY NIGHT. NO BIG CHANGES FORECAST WEDNESDAY  
THEN A WARMING AND DRYING TREND FRIDAY THROUGH SUNDAY.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....85-90.  
MIN HUMIDITY........22-28 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......2200-4100 FT AGL INCREASING TO 3900-4600 FT AGL  
EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MARINE LAYER........NONE.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....60-65.  
MAX HUMIDITY........55-65 PERCENT.  
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH THROUGH 10 PM THEN WINDS EASING OVERNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......2000-2900 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MARINE LAYER........NONE.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....85-90.  
MIN HUMIDITY........24 PERCENT.  
WIND (20 FT)........WEST WINDS 6 TO 12 MPH WITH AFTERNOON GUSTS  
TO AROUND 25 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MARINE LAYER........NONE.  
 

 
FORECASTER...R_WALBRUN  
REQUESTED BY...BRIAN DIREGOLO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1811645.0/MTR  
.EMAIL BRIAN.DIREGOLO@ACGOV.ORG  
 
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