070  
FXUS64 KOHX 190446  
AFDOHX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NASHVILLE TN  
1146 PM CDT FRI AUG 18 2017  
   
UPDATE
 
 
FOR 06Z AVIATION DISCUSSION.  
 

 
   
DISCUSSION
 
 
CLEAR SKIES AND LIGHT WINDS OUT THERE THIS EVENING. WHILE IT'S  
GOING TO FEEL A LITTLE DRIER BECAUSE DEW POINTS AREN'T IN THE 70S,  
TEMPERATURES SHOULD DROP OFF ENOUGH TO PROVIDE DEW POINT  
DEPRESSIONS OF 1-3 DEGREES. THIS SHOULD HELP AT LEAST PATCHY FOG  
DEVELOP BY MORNING. HAVE GONE AHEAD AND ADDED THAT INTO THE GRIDS  
AFTER MIDNIGHT. THE ONLY WRENCH THAT COULD BE THROWN INTO THE  
FORECAST TONIGHT IS THE HIGH CLOUD COVER BEING SEEN UPSTREAM. IF  
THAT CLOUD COVER DOESN'T THIN OUT BEFORE IT REACHES THE MID-STATE,  
TEMPERATURES WON'T COOL AS MUCH AND THERE WON'T BE AS MUCH FOG  
DEVELOPMENT. WE'LL FOCUS THE PATCHY FOG DEVELOPMENT IN THE SOUTH  
AND EAST TO ACCOUNT FOR THIS POSSIBILITY. OTHERWISE, THE AFTERNOON  
FORECAST PACKAGE IS WELL ON TRACK THIS EVENING. UPDATES OUT IN A  
BIT.  
 

 
   
AVIATION
 
 
06Z TAF DISCUSSION.  
 
VFR WITH MVFR FOG POSSIBLE EARLY THIS MORNING. MODEL CONSENSUS  
STILL PLACES A BIT OF FOG OVER THE MID STATE THAT MAY IMPACT KCKV,  
KCSV, AND KMQY OVERNIGHT, WITH SOME IFR FOG POSSIBLE AT KCSV.  
WINDS WILL BE LIGHT AND VARIABLE OVERNIGHT BEFORE BECOMING MORE  
WESTERLY AROUND 5 KNOTS DURING THE DAYTIME HOURS UNDER VFR  
CONDITIONS.  
 

 
   
OHX WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  
 

 
 

 
 
DISCUSSION......UNGER  
AVIATION........BARNWELL  
 
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