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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 MD5SUM Documentation
Public Forecast Zones... 12 June 2014 Download Compressed Shapefile z_12jn14e.zip 33,853,181 3692 d2030b0134b6dab8d0ee403c91f60b15 Change History Metadata
7 October 2014 Download Compressed Shapefile z_07oc14.zip 33,853,181 3693 90fcc89cfe8c057012ad333b5675d7e0


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.
Related Web Page: County-Zone Correlation File

Attributes:

field name type width,dec description
STATE character 2 [ss] State abbrev (US Postal Standard)
ZONE character 3 [zzz] Zone number, from WSOM C-11
CWA character 3 County Warning Area, from WSOM C-47
NAME character 254 Zone name, from WSOM C-11
STATE_ZONE character 5 [sszzz] state+("00"+zone.trim).right(3))
TIME_ZONE character 2 [tt] Time Zone, 2 chars if split
FE_AREA character 2 [aa] Cardinal area of state (occasional)
LON numeric 10,5 Longitude of centroid [decimal degrees]
LAT numeric 9,5 Latitude of centroid [decimal degrees]
SHORTNAME character 32 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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