878  
FXUS62 KRAH 241032  
AFDRAH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE RALEIGH NC  
650 AM EDT WED AUG 24 2016  
   
SYNOPSIS
 
HIGH PRESSURE WILL EXTEND ACROSS THE REGION THROUGH  
THE WEEK. TEMPERATURES AND HUMIDITIES WILL GRADUALLY RISE THROUGH  
LATE WEEK.  
 

 
   
NEAR TERM /THROUGH TONIGHT/
 
 
AS OF 145 AM WEDNESDAY...  
 
1025+ MB SURFACE HIGH PRESSURE WILL CONTINUE TO EXTEND FROM OFF THE  
MID-ATLANTIC COAST SOUTHWEST ACROSS NC/SC TODAY AND TONIGHT. THE  
HIGH WILL GRADUALLY SHIFT EASTWARD WITH TIME. THERE CONTINUED TO BE  
SOME MID LEVEL MOISTURE TRAPPED UNDER THE SUBSIDENCE INVERSION IN  
PLACE OVER INLAND AREAS OF NC (SEE PREVIOUS DISCUSSION). THIS  
INVERSION WILL PERSIST INTO THE AFTERNOON WITH SCATTERED MID LEVEL  
CLOUDS LIKELY CONTINUING. PARTLY TO MOSTLY SUNNY SKIES TODAY WILL  
YIELD HIGHS AROUND THOSE OBSERVED TUESDAY. EXPECT 86-91. AS THE  
RIDGE AXIS GRADUALLY SHIFTS EAST TONIGHT, A CONTINUED SLOW RISE IN  
DEW POINTS AND HUMIDITIES WILL OCCUR. THIS WILL YIELD LOWS MOSTLY IN  
THE MID TO UPPER 60S TONIGHT.  
 

 
   
SHORT TERM /THURSDAY THROUGH THURSDAY NIGHT/
 
 
AS OF 145 AM WEDNESDAY...  
 
THE SURFACE RIDGE AXIS WILL PUSH OFFSHORE LEADING TO A WSW FLOW  
AIDING WARMING AS THE MID LEVEL RIDGING STRENGTHENS OVER THE  
SOUTHERN APPALACHIANS. CONTINUED MAINLY SUNNY, DRY, AND BECOMING HOT  
THURSDAY. HIGHS IN THE UPPER 80S TO MID 90S N TO S. LOWS IN THE  
UPPER 60S TO LOWER 70S.  
 

 
   
LONG TERM /FRIDAY THROUGH TUESDAY/
 
 
AS OF 245 AM WEDNESDAY...  
 
CHANCES OF RAIN REMAIN MINISCULE IN THE EXTENDED PERIOD. A WEAK AND  
MOISTURE-STARVED SURFACE FRONT EDGES SOUTHEAST AND INTO NC ON FRIDAY  
AND PROGRESSES SOUTH OF THE AREA BY LATER SATURDAY. CONCURRENTLY, A  
STRONG UPPER RIDGE BUILDS NORTH AND PARKS DIRECTLY OVERHEAD THROUGH  
THE WEEKEND. HIGH TEMPS ON FRIDAY WILL MAX OUT IN THE LOW TO MID  
90S, AND VERY MODEST POST-FRONTAL COOL AIR ADVECTION IN EASTERLY  
FLOW OVER THE WEEKEND WILL BE OFFSET BY THE BUILDING RIDGE ALOFT TO  
ALLOW HIGHS TO REACH 90 TO 95 SAT AND SUN. THE UPPER RIDGE SLOWLY  
DEAMPLIFIES, BUT MAINTAINS ITS DOMINANCE THROUGH MIDWEEK, WITH DRY  
AND SLIGHTLY ABOVE NORMAL TEMPERATURES - WITHIN A COUPLE  
DEGREES NORTH OR SOUTH OF 90 - LINGERING THROUGH MID WEEK.  
 

 
   
AVIATION /12Z WEDNESDAY THROUGH SUNDAY/
 
 
AS OF 650 AM WEDNESDAY...  
 
24 HOUR TAF PERIOD: THERE IS A HIGH CONFIDENCE OF VFR CONDITIONS  
CONTINUING THROUGH THE 24 HOUR TAF PERIOD WITH HIGH PRESSURE IN  
CONTROL. PATCHY GROUND FOG SHOULD DEVELOP LATE TONIGHT AND EARLY  
THURSDAY AROUND KRWI, WHERE MVFR VSBYS WILL BE LIKELY BETWEEN 09Z-  
12Z.  
 
OUTLOOK...VFR CONDITIONS AND LIGHT WINDS WILL GENERALLY PREVAIL  
THROUGH MID TO LATE WEEK WITH STRONG SUBTROPICAL RIDGING OVER THE  
AREA.  
 

 
   
RAH WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  
 

 
 

 
 
SYNOPSIS...BADGETT  
NEAR TERM...BADGETT  
SHORT TERM...BADGETT  
LONG TERM...MLM  
AVIATION...BADGETT  
 
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