590  
FNUS52 KKEY 251019  
FWFKEY  
 
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
619 AM EDT THU APR 25 2019  
   
DISCUSSION
 
DRY WEATHER WILL CONTINUE THROUGH TODAY AND INTO  
TONIGHT. A TROUGH OF LOW PRESSURE OVER THE EASTERN GULF WILL SLIDE  
ACROSS THE KEYS FROM THE WEST FRIDAY NIGHT AND SATURDAY. THE  
TROUGH WILL LINGER NOT TOO FAR FROM THE ISLANDS SATURDAY NIGHT  
THROUGH MONDAY. THERE IS A LOW CHANCE FOR SHOWERS ACROSS  
THE ISLANDS FRIDAY NIGHT THROUGH MONDAY. RELATIVE HUMIDITY  
WILL 55 TO 65 PERCENT EACH DAY AND 80 TO 90 PERCENT EACH  
NIGHT. DRIER AIR WILL FILTER IN ACROSS THE KEYS MONDAY NIGHT  
THROUGH LATE NEXT WEEK, WITH ONLY SLIGHT CHANCES FOR SHOWERS.  
 
FLZ076>078-261000-  
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-  
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST  
619 AM EDT THU APR 25 2019  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY PCLDY PCLDY  
CHANCE PRECIP (%) 0 5 10  
WEATHER TYPE NONE NONE SHOWERS  
TEMP 86 74 85  
RH % 57 87 63  
20FT WIND AM(MPH) SE 10 S 11  
20FT WIND PM(MPH) SE 8 SE 8 SW 11  
PRECIP DURATION 1  
PRECIP BEGIN 8 AM  
PRECIP END CONTINUING  
PRECIP AMOUNT 1  
LAL 1 1 1  
MIXING HGT(FT-AGL) 4400 1500 4300  
TRANSPORT WND(MPH) S 10 SE 18 W 25  
DISPERSION INDEX 48 13 86  
MAX LVORI 5  
 
REMARKS...NONE.  
 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER TO MID 70S. WEST TO NORTHWEST WINDS NEAR 10  
MPH, BECOMING NORTH. CHANCE OF RAIN 30 PERCENT.   
SATURDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID TO UPPER 80S. NORTH TO  
NORTHEAST WINDS NEAR 10 MPH, BECOMING EAST. CHANCE OF RAIN 30  
PERCENT.   
SATURDAY NIGHT THROUGH MONDAY
 
PARTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S.  
HIGHS IN THE MID TO UPPER 80S. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT THROUGH WEDNESDAY
 
MOSTLY CLEAR WITH A SLIGHT  
CHANCE OF SHOWERS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.  
CHANCE OF RAIN 20 PERCENT.  
 

 
 
FUTTERMAN  
 
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