The following is the heat advisory put out by the National Weather Service:HAZARDOUS WEATHER OUTLOOKNATIONAL WEATHER SERVICE NASHVILLE TN527 AM CDT THU AUG 21 2014TNZ005>011-023>034-056>066-075-077>080-093>095-221030-STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE-CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-GILES-527 AM CDT THU AUG 21 2014THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE..DAY ONE...TODAY AND TONIGHT.AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BRING HOT TEMPERATURESAND HIGH HUMIDITY LEVELS TO MIDDLE TENNESSEE TODAY. HEAT INDEXVALUES WILL TOP OUT IN THE 97-101 RANGE THIS AFTERNOON WEST OF THEPLATEAU..DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.HOT TEMPERATURES AND HIGH HUMIDITY LEVELS WILL CONTINUE ACROSSMIDDLE TENNESSEE FROM FRIDAY THROUGH SUNDAY. HEAT INDEX VALUESWILL TOP OUT IN THE 100-105 RANGE EACH AFTERNOON WEST OF THEPLATEAU.