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Overview
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Mapping and Charting
Strategic Plan
Contact Us
What We Do
Tides and Water Levels
Currents
PORTS
®
Sea Level and Coastal Flooding Information
Meteorological and Other Oceanographic Data
Coastal and Great Lakes Conditions Forecast
CO-OPS Publications
CO-OPS Field Library
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Currents
For Teachers and Students
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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
9468132 ST. MICHAEL, NORTON SOUND, 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
NOS Major
0.0
0.0
NOS Major Flood Threshold
NOS Moderate
0.0
0.0
NOS Moderate Flood Threshold
NOS Minor
0.0
0.0
NOS Minor Flood Threshold
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