TENNESSEE BOAT LAUNCHES

* WHAT...Dangerously cold wind chills as low as 20 below zero expected. * WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...The cold wind chills as low as 20 below zero could result in hypothermia or frostbite if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.