Area Forecast Discussion


766 
FXUS64 KMRX 131118
AFDMRX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
720 AM EDT TUE AUG 13 2013
.AVIATION...
CURRENT SURFACE ANALYSIS SHOWS A COLD FRONT OVER THE OHIO RIVER 
VALLEY...GENERALLY STRETCHING FROM NEAR CINCINNATI SOUTHWEST TO NEAR 
MEMPHIS. AREA RADARS REVEAL SOME SCATTERED CONVECTION OVER THE 
FORECAST AREA AHEAD OF THIS COLD FRONT...AS A BROAD UPPER-LEVEL 
TROUGH DEEPENS OVER THE EASTERN HALF OF THE NATION. THIS UPPER 
TROUGH IS PROGGED TO PUSH THE COLD FRONT THROUGH THE TAF SITES THIS 
AFTERNOON...WITH SCATTERED CONVECTION OCCURRING ALONG AND AHEAD OF 
IT. FOR NOW...WILL MENTION VCSH THIS MORNING AND VCTS THIS AFTERNOON 
IN ALL THREE TAFS...SINCE TIMING THE EXACT OCCURRENCE OF CONVECTION 
AT THE TAF SITES WILL BE PROBLEMATIC. HOWEVER...WILL MENTION SOME 
TEMPORARY IFR CONDITIONS AT KCHA DUE TO THE SHOWERS CURRENTLY OVER 
SOUTHEAST TN. A WIND SHIFT TO THE NORTHWEST WILL OCCUR AT THE TAF 
SITES DURING THE AFTERNOON HOURS BEHIND THE COLD FRONT...BUT 
OVERALL...WINDS ARE EXPECTED TO BE LESS THAN 10 KT THROUGHOUT THE 
TAF PERIOD.
&&
.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.
&&
$$
DMG