901  
FNUS52 KKEY 221054  
FWFKEY  
 
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
554 AM EST WED JAN 22 2020  
   
DISCUSSION
 
 
STRONG COLD NORTHERLY FLOW WILL BEGIN DIMINISHING TODAY AND  
SHIFTING NORTHEAST TOMORROW. MUCH COOLER THAN NORMAL CONDITIONS  
WILL PERSIST THROUGH TONIGHT INTO TOMORROW WITH DEW POINT  
TEMPERATURES BOTTOMING OUT THIS MORNING, CLIMBING RAPIDLY TO NEAR  
60 BY SOMETIME TOMORROW. RAIN WILL REMAIN OUT OF THE FORECAST.  
 
FLZ076>078-231100-  
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-  
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST  
554 AM EST WED JAN 22 2020  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
CHANCE PRECIP (%) 0 10 20  
WEATHER TYPE NONE SHOWERS SHOWERS  
TEMP 62 60 75  
RH % 37 93 56  
20FT WIND AM(MPH) N 20 NE 13  
20FT WIND PM(MPH) N 18 N 14 NE 11  
PRECIP DURATION 1  
PRECIP BEGIN 6 AM  
PRECIP END CONTINUING  
PRECIP AMOUNT 1  
LAL 1 1 1  
MIXING HGT(FT-AGL) 2735 1000 3500  
TRANSPORT WND(MPH) NW 26 N 25 NE 21  
DISPERSION INDEX 68 23 57  
MAX LVORI 4  
 
REMARKS...NONE.  
 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY NIGHT
 
PARTLY TO MOSTLY CLOUDY WITH A SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. NORTHEAST TO EAST WINDS NEAR  
10 MPH. CHANCE OF RAIN 20 PERCENT.    
FRIDAY
 
PARTLY TO MOSTLY CLOUDY WITH A SLIGHT CHANCE OF  
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 5 TO 10 MPH,  
SHIFTING TO THE SOUTHWEST. CHANCE OF RAIN 20 PERCENT.    
FRIDAY NIGHT
 
PARTLY TO MOSTLY CLOUDY WITH A SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. CHANCE OF RAIN 20 PERCENT.    
SATURDAY AND SATURDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF SHOWERS. HIGHS IN THE MID TO UPPER 70S. LOWS 60 TO 65. CHANCE  
OF RAIN 20 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE LOWER 70S. CHANCE OF RAIN 10 PERCENT.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
PARTLY TO MOSTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS. LOWS 60 TO 65. HIGHS IN THE LOWER  
70S. CHANCE OF RAIN 20 PERCENT.   
TUESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE MID 70S. CHANCE OF RAIN 10 PERCENT.  
 

 
 
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