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 |
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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) |