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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... 1 April 2014 Download Compressed Shapefile z_01ap14a.zip 33,853,181 3693 9a05b84c6c7f148c92c8d0cbae87c253 Change History Metadata
12 June 2014 Download Compressed Shapefile z_12jn14.zip 33,853,181 3692 ffb44eb56cf6a236d7ad88dd5970eb0a


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: 27 March 2009
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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