DFIRM Prototypes State of North Carolina March 20, 2001 North Carolina Floodplain Mapping State of...
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Transcript of DFIRM Prototypes State of North Carolina March 20, 2001 North Carolina Floodplain Mapping State of...
DFIRM Prototypes
State of North CarolinaMarch 20, 2001
North Carolina Floodplain MappingState of North Carolina
North Carolina Floodplain MappingState of North Carolina
Map Frame
North Carolina Floodplain MappingState of North Carolina
Map Frame• Grids & Graticules
• State Plane Corner Coordinates
• Universal Transverse Mercator Coordinates
• Latitude and Longitude Coordinates
• 3 Color Map• Black & White, Blue, Yellow
• USGS DOQQ as Base
• Halo Text
• Annotations in Border
• Joins Panel Note Moved
North Carolina Floodplain MappingState of North Carolina
Detailed Study Area
North Carolina Floodplain MappingState of North Carolina
Detailed Study Areas
• 100-year Cyan (FEMA Standard)
• Floodway White Hatch (FEMA Standard)
• 500-year Yellow
North Carolina Floodplain MappingState of North Carolina
Approximate Study Area
North Carolina Floodplain MappingState of North Carolina
Approximate Study Areas
• 100-year Cyan (FEMA Standard)
• Zone AFE vs. Zone A
• Advisory Flood Elevation (AFE) Annotations
• Coincident County/Streamline Note
North Carolina Floodplain MappingState of North Carolina
Legend Frame
North Carolina Floodplain MappingState of North Carolina
Legend Frame
• All Possible Flooding Zones Shown
• Gray Background for Floodzone Polygons
• Similar to Existing FEMA DFIRM Standard
North Carolina Floodplain MappingState of North Carolina
Table Frame
North Carolina Floodplain MappingState of North Carolina
Table Frame
• Similar to FEMA Approved Mecklenburg County Flood Hazard Data Table
• Cross Section ID, Stream Station, Base Flood Discharge, Base Flood WSEL, and Encroachment Distances Shown
North Carolina Floodplain MappingState of North Carolina
Datum Conversion
Frame
North Carolina Floodplain MappingState of North Carolina
Datum Conversion Frame
• Explanation of Vertical Shift from NGVD 29 to NAVD 88
• Vertical Datum Shift Table Displaying Datum Shift by County
• BMs Referenced to NCGS Website
North Carolina Floodplain MappingState of North Carolina
Scale Frame
North Carolina Floodplain MappingState of North Carolina
Scale Frame
• Representative Fraction, English and Metric Scale Bars Displayed
• NCFLOODMAPS.COM Reference
• NCDEM Reference
• NFIP Reference
North Carolina Floodplain MappingState of North Carolina
Index Frame
North Carolina Floodplain MappingState of North Carolina
Index Frame
• Panel Number is Lower Left Northing and Easting
• NC Land Record Number (In Title Block)
North Carolina Floodplain MappingState of North Carolina
Celebratory Frame
North Carolina Floodplain MappingState of North Carolina
Celebratory Frame
• State of NC Seal, CTS Logo, and FEMA Seal Displayed
• Description of CTS Agreement
• NCFLOODMAPS.COM Reference
North Carolina Floodplain MappingState of North Carolina
Title Block Frame
North Carolina Floodplain MappingState of North Carolina
Title Block Frame
• Dual County Reference
• Map Number Shown for Each County
• State of NC Seal and FEMA Seal
North Carolina Floodplain MappingState of North Carolina
Notes to Users Frame
North Carolina Floodplain MappingState of North Carolina
Notes to Users Frame
• Standard FEMA DFIRM Notes
• Advisory Flood Elevation (AFE) Definition
• References NC Floodplain Mapping Program
• Located at Bottom of FIRM Panel