Below 38 ftNormal — no impacts
38–46 ftAction stage — monitor closely, low-lying areas may flood
46–50 ftFlood stage — Riverside Dr begins flooding, Riverfront Park, agricultural areas
50–57 ftSignificant — Riverside Dr, Quarry Rd, Kraft St, Providence Blvd impassable
57–63 ftExtensive — US-41, TN-48, Branch Rd, Zinc Plant Rd, Salem Rd flooded
63+ ftMajor flooding — widespread roads impassable across Montgomery County