GIS
National Program
Shapefile Type: Polygon
Data source: Derived from U.S. Counties based on state attribute.
Naming convention: s_ddmmyy where ddmmyy = day-month-year
Description: State background map used internally in NWS.
| Description | Valid date | Data Download | # Records | MD5SUM | Documentation | |
|---|---|---|---|---|---|---|
| U.S. States and Territories | 18 March 2025 | s_18mr25.zip | 59 | 8801b63032e1374396ea13be60c0faff Last Update: 23-DEC-24 |
Change History | Metadata |
| 03 March 2026 | s_03mr26.zip | 59 | bfe3d17cedba4aed0282a9e1ce5351e6 Last Update: 18-DEC-25 |
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Shapefile Attributes:
| Field Name | Type | width,dec | Description |
|---|---|---|---|
| STATE | character | 2 | State abbrev [aa] |
| NAME | character | 24 | State name |
| FIPS | character | 2 | State FIPS Code [ss] |
| LON | numeric | 10,5 | Longitude of centroid [decimal degrees] |
| LAT | numeric | 9,5 | Latitude of centroid [decimal degrees] |
