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System Engineering Branch

Fire Weather Forecast Zones [fzddmmyy]

Fire Weather Zones in CONUS

Figure shows Fire Weather Zones continental United States (CONUS).
Notice: GIF images are not updated with shapefile update

Description Valid date Available Version(s) Size (bytes)#Records MD5SUM Documentation
Fire Weather Zones (CONUS/OCONUS) 01 April 2014 Download Compressed Shapefile fz01ap14b.zip 30,493,919 3308 477bfdba9ee46f6ccfa4de73ab6259b3 Change History Metadata
12 June 2014 Download Compressed Shapefile fz12jn14.zip 30,493,919 3306 0e03c1f054c3675a5e600581d45e2182
Starting with the 3 May 2011 version all fire weather zone shapefiles will be at high resolution (1:100,000)

File Specifications:

Naming Convention: fz 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: WFOs and Regional HQ, Public Forecast Zones.
Last Modified: 15 May 2007

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]

Comments:

This is a new "experimental" fire weather zone dataset available "as is" for the convenience of our customers and partners. Data here will be corrected as needed without prior notice as Weather Forecast Offices begin using the NWS software and find discrepancies and errors. The user assumes the entire risk related to its use of this data. NWS disclaims any and all warranties, whether express or implied, including (without limitation) any implied warranties of merchantability or fitness for a particular purpose. In no event will NWS be liable to you or to any third party for any direct, indirect, incidental, consequential, special or exemplary damages or lost profit resulting from any use or misuse of this data.
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