Lewisetta Probabilities (YKTV2) - 2018 adjusted tidal epoch
Exceedence Probability Return Frequency Ft./MLLW Ft./MHHW Ft. NAVD88 Last Occurred MLLW Level (ft) Event  (blue denotes Tropical)
1% 100 yr  5.70 4.19 4.87 9/1/2006 5.76  
2% 50 year 5.45 3.94 4.62 9/18/2003 5.44 Hurricane Isabel
4% 25 year 4.79 3.28 3.96      
10% 10 year 4.40 2.89 3.57 10/12/2019 4.38  
20% 5 year 3.81 2.30 2.98      
50% 2 year 3.65 2.14 2.82 4/30/2020 3.61  
99% 1 year 3.08 1.57 2.25 12/2/2019 3.09  
               
Purple Shading indicates "MAJOR" Flooding Red Shading indicates "MODERATE Flooding Orange Shading Indicates "MINOR" Flooding