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System Engineering Branch

Public Forecast Zones [z_ddmmyy]

World view of all C-11 Public Forecast Zones

Figure shows NWSI 10-507 Public Forecast Zones continental United States (CONUS) and non CONUS Zones. This image is an overview of the zones and is NOT updated when zones are modified/created. IMAGES of CONUS zones and individual non CONUS Zones are available by clicking on the appropriate box:

CONUS Alaska Guam Hawaii Puerto Rico/U.S. Virgin Islands
Notice: GIF images are not updated with shapefile update

Changes to Public Forecast Zones are announced by the National Weather Service in Service Change Notifications issed by the Office of Climate, Water, and Weather Services.
Description Valid date Available Version(s) Size (bytes) # Records Documentation
Public Forecast Zones 9 September 2008 Download Compressed Shapefile z_09se08.zip 9,362,162 3511 Change History Metadata
3 October 2008 Download Compressed Shapefile z_03oc08.zip 9,362,162 3511


File Specifications:

Naming Convention: z_ ddmmyy .shp/.shx/.dbf - where .shp, .shx, .dbf are the extensions of the 3 component files of the shapefile and .prj is the projection file.
Shapefile Type: polygon
Source: NWS Office of Climate, Water and Weather Services (OCWWS): NWSI 10-507.
Latest Version Last Modified: 10 October 2006
Related Web Page: County-Zone Correlation File

Attributes:

field name type width,dec description
STATE character2 [ss] State abbrev (US Postal Standard)
ZONE character3 [zzz] Zone number, from WSOM C-11
CWA character3 County Warning Area, from WSOM C-47
NAME character254 Zone name, from WSOM C-11
STATE_ZONEcharacter5 [sszzz] state+("00"+zone.trim).right(3))
TIME_ZONE character2 [tt] Time Zone, 2 chars if split
FE_AREA character2 [aa] Cardinal area of state (occasional)
LON numeric 10,5Longitude of centroid [decimal degrees]
LAT numeric 9,5 Latitude of centroid [decimal degrees]
SHORTNAME character32 Shortened zone name

Comments:

Due to the increased lead time for implementation of new zone files, the older version as well as the new version of the shapefile will be available from this page.


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    Page Last Modified: 02 October 2008
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