590  
FXUS64 KMRX 180708  
AFDMRX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
308 AM EDT MON JUN 18 2018  
   
SHORT TERM (TODAY THROUGH TUESDAY)
 
 
SAME STUFF, NEW DAY. HIGH PRESSURE KEEPING TEMPERATURES IN THE  
5-7 DEGREE-ABOVE-NORMAL RANGE, WITH DIURNAL CONVECTION MOSTLY  
INITIATING OVER THE HIGHER TERRAIN, SOME DRIFTING INTO THE VALLEY,  
BOTH TODAY AND TUESDAY.  
   
LONG TERM (TUESDAY NIGHT THROUGH SUNDAY)
 
 
THE UPPER RIDGE WILL BE BREAKING DOWN EARLY IN THIS PERIOD,  
LEAVING THE AREA IN AN UNSETTLED PATTERN WITH A FRONTAL BOUNDARY  
CLOSE TO THE AREA AND UPPER LEVEL SHORTWAVES RACING THROUGH THAT  
WILL OFFER BRIEF PERIODS OF ORGANIZED LIFT, IN ADDITION TO DAILY  
DIURNAL HEATING. RIGHT NOW, THUNDERSTORM ORGANIZATION DOES NOT  
LOOK THAT THREATENING FOR SEVERE STORMS. IF THE FRONTAL BOUNDARY  
SAGS FAR ENOUGH SOUTH AND SETTLES OVER PART OF THE AREA FOR A FEW  
DAYS, THEN HEAVY RAIN THREAT LOOKS POSSIBLE, HOWEVER, RIGHT NOW,  
IT LOOKS LIKE THE FRONTAL BOUNDARY WILL MAINLY BE NORTH OF THE  
AREA FOR THE MAJORITY OF THE TIME. WENT CLOSE TO GUIDANCE TEMPS  
DURING THIS PERIOD, THAT SHOWS A DEFINITE COOLING TREND AS THE  
UPPER RIDGE BREAKS DOWN, AND EVEN COOLER IN OUR NORTHERN AREAS,  
WHERE THE FRONT COULD SAG SOUTH INTO THAT AREA.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
CHATTANOOGA AIRPORT, TN 93 72 92 73 / 20 20 30 20  
KNOXVILLE MCGHEE TYSON AIRPORT, TN 91 72 91 72 / 20 20 20 20  
OAK RIDGE, TN 92 72 91 73 / 20 20 20 20  
TRI CITIES AIRPORT, TN 91 68 88 69 / 20 20 20 30  
 

 
   
MRX WATCHES/WARNINGS/ADVISORIES
 
 
NC...NONE.  
TN...NONE.  
VA...NONE.  
 

 
 

 
 
GC/GM  
 
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