Brays Bayou - Floodplain Map Library (FPML) Select an intensity from the dropdown menu below: 6 inches in 6 hours 6.5 inches in 6 hours 7 inches in 6 hours 8 inches in 6 hours 9 inches in 6 hours 8 inches in 12 hours 10 inches in 12 hours 9 inches in 24 hours 10 inches in 24 hours 13 inches in 24 hours Water Depth (ft)