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Data and Products
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®
Sea Level and Coastal Flooding
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Documentation below will be revised
to reflect recent changes to the Tool
Limitations and Uncertainties
User's Guide
Inundation Analysis Tool
9452210 Juneau, AK
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 MHHW
Feet relative to MHHW
Datum
MHHW
0.0
0.0
Mean Higher-High Water
MHW
-0.295
-0.97
Mean High Water
DTL
-2.468
-8.1
Mean Diurnal Tide Level
MTL
-2.389
-7.84
Mean Tide Level
MSL
-2.354
-7.72
Mean Sea Level
MLW
-4.483
-14.71
Mean Low Water
MLLW
-4.971
-16.31
Mean Lower-Low Water
User Specified Elevation
in
Meters
Feet
relative to
MHHW
MHW
DTL
MTL
MSL
MLW
MLLW
Begin Date:
format: yyyymmdd
End Date:
format: yyyymmdd
Note: Data query is limited to a 10 year maximum and 1 month minimum date range when requesting an analysis of 6-minute data
Choose type of data:
6-minute Height and High Water Analysis
Hourly Height and High Water Analysis
Hourly Height Analysis