23' - Water may reach floors of shopping center immediately downstream from the Hwy 23 bridge. <br><br>21.5' - The river reaches the bottom of the Highway 23 bridge and the area around the bridge is flooded. Around 100 acres are also affected.<br><br>20' - More homes are flooded and 50 to 75 acres are inundated. Flooding of Warm Springs Road near Apple Orchard Road.<br><br>19' - Portions of Newland Hollow Road begin to flood.<br><br>18' - Several homes are flooded and 20 to 30 acres are inundated.<br><br>14' - Flooding begins on North Holston River Drive beneath the West Carters Valley Road bridge. County Road 614 is cut off 1 1/2 miles downstream from the Highway 23 bridge.<br><br>12' - Water begins to cover River Road and some low lying county roads.<br><br>10' - Caution stage.<br><br>