Inundation Analysis Tool


8635027 Dahlgren

Please see the data inventory to find a period with hourly or six-minute data available.
Data Inventory

Select a reference elevation and specify a date range for analysis.

You may select from an accepted tidal datum or specify a different elevation.
Most elevations on land are given relative to a geodetic datum such as NAVD88

All analysis results are presently provided in meters relative to the requested threshold.

Meters relative to MHHWFeet relative to MHHWDatum
MHHW 0.0 0.0 Mean Higher-High Water
MHW -0.052 -0.17 Mean High Water
DTL -0.292 -0.96 Mean Diurnal Tide Level
MTL -0.295 -0.97 Mean Tide Level
MSL -0.296 -0.97 Mean Sea Level
MLW -0.539 -1.77 Mean Low Water
MLLW -0.584 -1.92 Mean Lower-Low Water
NAVD88 -0.266 -0.87 North American Vertical Datum
User Specified Elevation         in       relative to   


Note: Data query is limited to a 10 year maximum and 1 month minimum date range when requesting an analysis of 6-minute data


6-minute Height and High Water Analysis
Hourly Height and High Water Analysis
Hourly Height Analysis