Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

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000 FXUS64 KMRX 151800 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 200 PM EDT MON SEP 15 2014 .AVIATION...
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MOIST AIRMASS OVER THE REGION...CIGS AND VISIBILITIES WERE SLOW TO IMPROVE THIS MORNING. UPPER SHORTWAVE MOVING ACROSS WESTERN HALF OF TN...WILL BE MOVING INTO REGION LATER THIS AFTERNOON...PLACED VCSH IN ALL 3 SITES FOR LATTER PART OF AFTERNOON INTO THE EVENING...THEN SHORTWAVE WILL PASS AFTERWARDS...LEAVING MAIN ISSUE THE CIGS AND ESPECIALLY VISIBILITIES OVERNIGHT. COLD FRONT APPROACHING FROM THE WEST. ONLY A SUBTLE WIND SHIFT ON TUESDAY AS IT WASHES THROUGH. NOT TAKING CIGS DOWN AS LOW OVERALL AS VEERING WINDS MAKE FOR LESS ISENTROPIC LIFT OVER THE REGION AS COMPARED TO THIS MORNING. FOR TRI...DID NOT GO AS LOW AS GUIDANCE ON THE VSBY DUE TO GOOD CHANCE OF BLANKETING CIG THAT WILL SUPPRESS RADIATIONAL COOLING.
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ GM

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