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GCS_North_American_1983_HARN
Linear Unit: Foot_US (0.304801)
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ItemDescription
FGDC CSDGM Metadata
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Storm surge risk maps are available for Texas to Maine, Puerto Rico, USVI, Hawaii, Southern California, Guam, American Samoa, Hispaniola, and the Yucatan Peninsula. The data are available in GeoTIFF (https://www.ogc.org/standards/geotiff/) format for use in Geographic Information Systems (GIS) software. Comprehensive metadata are provided with each GIS file describing the data and its limitations. Storm surge inundation datasets are created using the high tide scenario SLOSH MOM products for all regions. Each dataset contains an ESRI World File (.tfw) and metadata .xml file. These GeoTIFFs are 8-bit unsigned integer raster datasets that correspond to 1 ft inundation bins (e.g., Class Value 1 corresponds to the 0-1 ft inundation bin, Class Value 2 corresponds to the 1-2 ft inundation bin, and so on). The maximum Class Value is 21, and inundation in excess of 20 ft is assigned a Class Value of 21. A Class Value of 99 is assigned to leveed areas. A more detailed description of the data can be found in the associated metadata.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>The data illustrates the height of possible storm surge flooding under certain scenarios, and do not account for erosion, subsidence, sea-level change or future construction. Water levels are based on storm surge scenarios in the referenced SLOSH MOM tide scenario. The data, maps, and information provided should only be used as a tool for general education/awareness of the storm surge hazard at a city/community level (not for a parcel level/grid cell assessment). The SLOSH MOM storm surge risk data used to create these maps are constrained by the extent of the SLOSH grids and users should be aware that risk due to storm surge flooding could extend beyond the areas depicted in these maps. This map should not be used to replace the maps used for hurricane evacuation zones. Hurricane evacuation zones are drawn at a local and state level and consider additional information and specific criteria for a particular region in addition to the storm surge hazard. Users are urged to consult local officials for flood risk inside the hatched areas marked as leveed areas in the map. The data and maps in this tool are provided "as is", without warranty to their performance, merchantable state, or fitness for any particular purpose. The entire risk associated with the results and performance of these data is assumed by the user. This tool should be used strictly as a planning reference and storm surge risk awareness tool and not for navigation, permitting, legal, or regulatory purposes. Any conclusions drawn from the analysis of this information are not the responsibility of the National Weather Service, National Hurricane Center, Office for Coastal Management, or its partners.</SPAN></SPAN></P><P /><P><SPAN /></P></DIV></DIV></DIV>
CHHA
SLOSH_Model
Cat1_Hurricane
FEMA
Data was downloaded from: https://www.nhc.noaa.gov/nationalsurge/?text
The first version of the SLOSH storm surge hazard maps, released in November 2014, was published in the American Meteorological Society (AMS) Journal of Weather, Climate and Society, titled "A National View of Storm Surge Risk and Inundation". The publication is available online at http://journals.ametsoc.org/doi/abs/10.1175/WCAS-D-14-00049.1 and the preferred citation for the data and map service is as follows:
Zachry, B. C., W. J. Booth, J. R. Rhome, and T. M. Sharon, 2015: A National View of Storm Surge Risk and Inundation. Weather, Climate, and Society, 7(2), 109–117. DOI: http://dx.doi.org/10.1175/WCAS–D–14–00049.1
Enterprise Geodatabase Feature Class
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Feature Class
0
OBJECTID
OBJECTID
OID
4
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0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
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Feature geometry.
Esri
Coordinates defining the features.
ClassValue
ClassValue
SmallInteger
2
5
0
created_user
created_user
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created_date
created_date
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0
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last_edited_user
last_edited_user
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last_edited_date
last_edited_date
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FIRST_Inundation
FIRST_Inundation
String
254
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Shape.STArea()
Shape.STArea()
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Shape.STLength()
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