Counties of U.S.

Metadata also available as

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: National Weather Service
Publication_Date: 1995
Title: Counties of U.S.
Geospatial_Data_Presentation_Form: vector digital data
Publication_Information:
Publication_Place: Silver Spring, MD
Publisher: National Weather Service
Online_Linkage: <http://www.nws.noaa.gov/geodata/county/html/county.htm>
Larger_Work_Citation:
Citation_Information:
Originator:
Publication_Date:
Title:
Publication_Information:
Publication_Place:
Publisher:
Online_Linkage:
Description:
Abstract:
Counties and county equivalents of the United States including Alaska, Hawaii, American Samoa, Guam, The Marianas Islands, Midway, Puerto Rico and the U.S. Virgin Islands.
Purpose:
Used by the National Weather Service (NWS) for issuing wactches and warnings of severe weather.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1995
Ending_Date: 20010409
Currentness_Reference: Complete
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Continually
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -179.133163
East_Bounding_Coordinate: 179.788025
North_Bounding_Coordinate: 71.398094
South_Bounding_Coordinate: -14.604090
Keywords:
Theme:
Theme_Keyword_Thesaurus: ESRI Geography Network Thesaurus
Theme_Keyword: County
Theme_Keyword: Boundaries
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: CONUS
Access_Constraints: None
Use_Constraints: None
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: National Weather Service/OST
Contact_Person: Ira Graffman
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing
Address: SSMC2, 1325 East West Highway
City: Silver Spring
State_or_Province: MD
Postal_Code: 20910
Country: USA
Contact_Voice_Telephone: 301 713 0763 x 104
Contact_Facsimile_Telephone: 301 713 9395
Contact_Electronic_Mail_Address: ira.graffman@noaa.gov
Hours_of_Service:
Security_Information:
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.2.1350

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
All attributes were verifed by the individual Weather Forecast Offices (WFOs) and QC passes by personell at NWS Headquarters. WFOs have input into the fe_area field, the Office of Climate, Water, and Weather Services have input into the CWA field.
Logical_Consistency_Report: ESRI feature type: Simple, Geometry: Polygon, Topology:
Completeness_Report:
The shoreline boundaries of the data is dependent on the shoreline edges of rivers and bays as delineated on a USGS DLG The edges or borders of the boundary might change as the natural land changes and WFOs request changes.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The data was created from USGS 1:2,000,000 DLG counties and assumed to have the same horizintal accuracy of that data set.
Vertical_Positional_Accuracy:
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 1990
Title: Digital Line Graphs (DLG)
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: &lt;<http://www.nationalatlas.gov/atlasftp.html>>;
Larger_Work_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 1995
Title: Digital Line Graphs
Geospatial_Data_Presentation_Form: vector digital data
Publication_Information:
Source_Scale_Denominator: 2,000,000
Type_of_Source_Media: online
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: USGS DLG
Source_Contribution: Original boundaries and FIPS codes
Source_Information:
Source_Citation:
Citation_Information:
Originator:
National Atlas of the United States of America (U.S. Geological Survey)
Publication_Date: 200207
Title: Digital Line Graphs
Geospatial_Data_Presentation_Form: vector digital data
Other_Citation_Details: Updated Alaska Boundaries extracted
Online_Linkage: &lt;<http://nationalatlas.gov/atlasftp.html>>;
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 19990103
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: USGS DLG
Source_Contribution: Original boundaries and FIPS codes
Process_Step:
Process_Description:
A county shapefile was generated from the USGS DLG CD-ROM and reprojected into a NAD83 dataset. The counties in the shapefile were split as appropriate to create Public Forecast Zones and all county boundaries were retained. This shapefile is retained as an offline private shape file called a "master" file and it contains unique polygons of county, cwa and forecast zone data. All changes to counties, zones, CWAs are first made to this "master" file.

To create the counties data set, a copy of the master file is created and renamed and the polygons are "dissolved" on the FIPS code field and the lat/lon of the centroids are calculated.

Process_Date: 20020808
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Ira Graffman
Contact_Organization: National Weather Service/OST
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing and physical address
Address: SSMC2, 1325 East West Highway
City: Silver Spring
State_or_Province: MD
Postal_Code: 20910
Country: USA
Contact_Voice_Telephone: 301 713 0763x 104
Contact_Facsimile_Telephone: 301 713 9395
Contact_Electronic_Mail_Address: ira.graffman@noaa.gov
Process_Step:
Process_Description:
Updated Akaska county boundaries were subsetted into a separate shapefile. Old Alaska boundaries were deleted from main offline master shapefile and the two shapefiles were merged.
Source_Used_Citation_Abbreviation: DLG
Process_Date: 200311
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Ira Graffman
Contact_Organization: NWS/OST
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing and physical address
Address: 1325 East West Highway
City: Silver Spring
State_or_Province: MD
Postal_Code: 20904
Country: USA
Contact_Voice_Telephone: 301 713 0763
Contact_Electronic_Mail_Address: ira.graffman@noaa.gov

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 3237

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000278
Longitude_Resolution: 0.000278
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000
Denominator_of_Flattening_Ratio: 298.257222101

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Counties
Entity_Type_Definition: Shapefile Attribute Table
Entity_Type_Definition_Source: None
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: STATE
Attribute_Definition: State abbreviaion
Attribute_Domain_Values:
Unrepresentable_Domain: Character Field
Attribute:
Attribute_Label: CWA
Attribute_Definition: Identifer if the "Owning" CWA
Attribute_Domain_Values:
Unrepresentable_Domain: Character Field
Attribute:
Attribute_Label: COUNTYNAME
Attribute_Definition: Name of county
Attribute_Domain_Values:
Unrepresentable_Domain: Character Field
Attribute:
Attribute_Label: FIPS
Attribute_Definition: State-county FIPS code
Attribute_Domain_Values:
Unrepresentable_Domain: Numeric Field
Attribute:
Attribute_Label: TIME_ZONE
Attribute_Definition: Time zone abbreviation for county
Attribute_Domain_Values:
Unrepresentable_Domain: Numeric Field
Attribute:
Attribute_Label: FE_AREA
Attribute_Definition: Location identifier of location within state
Attribute:
Attribute_Label: LON
Attribute_Definition: Longitude of centroid of county
Attribute:
Attribute_Label: LAT
Attribute_Definition: Latitude of centroid of county

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: National Weather Service/OST
Contact_Person: Ira Graffman
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing
Address: SSMC2, 1325 East West Highway
City: Silver Spring
State_or_Province: MD
Postal_Code: 20910
Country: USA
Contact_Voice_Telephone: 301 713 0763 x 104
Contact_Facsimile_Telephone: 301 713 9395
Contact_Electronic_Mail_Address: ira.graffman@noaa.gov
Hours_of_Service:
Resource_Description: Downloadable Data
Distribution_Liability:
The information depicted in this GIS layer is the result of digital analyses performed on a database consisting of information from a variety of governmental and other credible sources. The accuracy of the information presented is limited to the collective accuracy of the database on the date of the analysis. The information is believed accurate and reasonable efforts have been made to ensure the accuracy of the data. However, the National Weather Service/OST expressly disclaims responsibility for damages or liability that may arise from use of this data. This product is the property of the National Weather Service/OST and its use is thereby restricted.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ESRI Shapefile
Transfer_Size: 13.970
Digital_Transfer_Option:
Offline_Option:
Fees: None

Metadata_Reference_Information:
Metadata_Date: 20071010
Metadata_Review_Date: 20020813
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: National Weather Service/OST
Contact_Person: Ira Graffman
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing
Address: SSMC2, 1325 East West Highway
City: Silver Spring
State_or_Province: MD
Postal_Code: 20910
Country: USA
Contact_Voice_Telephone: 301 713 0763 x 104
Contact_Facsimile_Telephone: 301 713 9395
Contact_Electronic_Mail_Address: ira.graffman@noaa.gov
Hours_of_Service:
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: &lt;<http://www.esri.com/metadata/esriprof80.html>>;
Profile_Name: ESRI Metadata Profile
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile

Generated by mp version 2.8.6 on Wed Oct 10 10:16:04 2007