539  
FNUS52 KKEY 131140  
FWFKEY  
 
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
640 AM EST WED DEC 13 2017  
   
DISCUSSION
 
 
THE DRIEST CONDITIONS WILL OCCUR TODAY, WITH MINIMUM  
RELATIVE HUMIDITY VALUES AS LOW AS 40 PERCENT THIS AFTERNOON.  
HUMIDITY LEVELS WILL REMAIN ABOVE 50 PERCENT THURSDAY THROUGH  
SATURDAY. THE BREEZIEST CONDITIONS WILL OCCUR THIS MORNING BEHIND  
A PASSING COLD FRONT, WITH WINDS NEAR 15 MPH, DECREASING TO 5 TO  
10 MPH THIS AFTERNOON. RAIN CHANCES WILL REMAIN VERY LOW THROUGH  
TUESDAY.  
 
FLZ076>078-141200-  
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-  
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST  
640 AM EST WED DEC 13 2017  
 
TODAY TONIGHT THU  
 
CLOUD COVER CLEAR CLEAR MCLEAR  
CHANCE PRECIP (%) 10 10 10  
WEATHER TYPE NONE NONE NONE  
TEMP 70 50 70  
RH % 40 83 52  
20FT WIND AM(MPH) N 16 NE 5  
20FT WIND PM(MPH) N 14 N 8 LGT/VAR  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
PRECIP AMOUNT  
LAL 1 1 1  
MIXING HGT(FT-AGL) 3300 120 3140  
TRANSPORT WND(MPH) N 21 N 10 E 6  
DISPERSION INDEX 47 6 18  
MAX LVORI 4  
 
REMARKS...NONE.  
 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S. EAST WINDS NEAR 5 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR BECOMING PARTLY CLOUDY. LOWS 60 TO  
65.   
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS  
IN THE MID 70S. CHANCE OF RAIN 10 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 60S. CHANCE OF RAIN 10 PERCENT.    
SUNDAY THROUGH MONDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF SHOWERS. HIGHS IN THE LOWER 80S. LOWS NEAR 70. CHANCE OF RAIN  
10 PERCENT EACH PERIOD.    
TUESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS  
IN THE LOWER 80S. CHANCE OF RAIN 10 PERCENT.  
 

 
 
MCLOVIN  
 
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