871 FXUS64 KMEG 162348 AFDMEG AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEMPHIS TN 648 PM CDT TUE JUL 16 2013 .DISCUSSION... /ISSUED 305 PM CDT TUE JUL 16 2013/ NO SURPRISES IN THE LATEST MODEL RUNS. A DEEP...BROAD UPPER LEVEL RIDGE AND ASSOCIATED SURFACE HIGH PRESSURE SYSTEM WILL DOMINATE THE WEATHER PATTERN ACROSS THE MIDSOUTH OVER THE NEXT SEVERAL DAYS. ALTHOUGH AN AFTERNOON THUNDERSTORM CANNOT BE RULED OUT...ESPECIALLY TOWARDS THE END OF THE WORK WEEK...TEMPERATURES WILL BE THE MAIN FOCUS OF THE FORECAST TUESDAY THROUGH FRIDAY. CONDITIONS WILL NOT BE NEARLY AS HOT AS THEY CAN BE IN MID JULY...BUT STILL ABOVE AVERAGE FOR SEVERAL DAYS. HIGHS SHOULD BE IN THE LOW 90S TOMORROW...AND IN THE MIDDLE 90S...WITH POSSIBLY A FEW UPPER 90S WEDNESDAY AND THURSDAY. THE RIDGE WILL BEGIN TO WEAKEN WEDNESDAY...BUT AT THE SAME TIME BECOME MORE CENTERED OVER THE AREA...SO DESPITE A WEAKENING HIGH...THICKNESSES AND THE RESULTING SURFACE TEMPERATURES WILL REMAIN ABOUT THE SAME. FRIDAY SHOULD BE A DEGREE OR TWO COOLER AS WE TRANSITION BACK INTO A WEAK NORTHWEST FLOW PATTERN. HIGHS FRIDAY WILL STILL BE A FEW DEGREES ABOVE NORMAL...IN THE LOW TO MIDDLE 90S. AFTERNOON THUNDERSTORMS WILL BECOME SLIGHTLY MORE LIKELY BY FRIDAY. THIS WEEKEND...A MORE TYPICAL JULY PATTERN WILL BE IN PLACE. NORTHWEST FLOW IS EXPECTED TO REMAIN IN PLACE AND GUIDANCE STILL SUGGESTS A COLD FRONT TRAILING A SURFACE LOW TRACKING ACROSS THE EASTERN GREAT LAKES INTO THE NORTHEAST WILL SAG DOWN ACROSS THE MIDSOUTH. THIS SYSTEM SHOULD INCREASE CLOUDS ACROSS THE AREA...BRING US A BETTER CHANCE OF RAINFALL...AND BRING TEMPERATURES BACK DOWN TO NEAR NORMAL. THIS SYSTEM LOOKS FAIRLY PROGRESSIVE...SO WILL BANK ON A COUPLE OF DAYS OF ENHANCED RAINFALL CHANCES SATURDAY AND SUNDAY WITH HIGH PRESSURE BUILDING BACK IN IN ITS WAKE RESULTING IN A DRY START TO THE WORK WEEK. 30/SIRMON && .AVIATION... 00Z TAFS MOSTLY VFR CONDITIONS THROUGH THE PERIOD. SCT CU WILL DISSIPATE AFTER SUNSET AND REDEVELOP DURING THE DAY WEDNESDAY. BRIEF MVFR POSSIBLE AT KMKL AROUND DAYBREAK DUE TO 5SM BR. EASTERLY WINDS WILL BECOME LIGHTER AFTER SUNSET AND NOT INCREASE AS MUCH WEDNESDAY AS COMPARED TO TODAY. SWC && .MEG WATCHES/WARNINGS/ADVISORIES... AR...NONE. MO...NONE. MS...NONE. TN...NONE. && $$