National Weather Service United States Department of Commerce

 

Shapefile Type: Polygon

Data source: Derived from NWS Public Forecast Zones

Naming convention: z_ddmmyy  where ddmmyy = day-month-year

Description: This dataset depicts the areas of responsibility for fire weather forecasts and warnings for each WFO.

Due to technical issues, the implementation date for zone changes has been moved to April 16, 2026. New files will be available by March 4, 2026, and the files will be locked down on March 24, 2026.

Description Valid date Data Download # Records MD5SUM Documentation
Fire Weather Zones 18 March 2025 fz18mr25.zip 3643 cd7def338de06aa4a6343697e059dd81
Date last upload: 5-FEB-25
Change History Metadata
16 April 2026 fz16ap26.zip 3683 17862cbdb414d7b0807ac1765b2af3d0
Date last upload: 03-MAR-26

 

Shapefile Attributes:

Field Name Type  Width, Decimals Description
STATE Character 2 U.S. Postal Standard two letter abbreviation
ZONE Character 3 Zone Number
CWA Character 3 CWA (WFO) abbreviation
NAME Character 254 Zone name from
STATE_ZONE Character 5 Concatenation of State and Zone
TIME_ZONE Character 2 Time zone abbreviation
FE_AREA Character 2 Cardinal area of state
LON Numeric 10,5 Longitude of Centroid (decimal degrees)
LAT Numeric 9,5 Latitude of Centroid (decimal degrees)