Shapefile Type: polygon
Data source: Derived from NWS Public Forecast Zones
Naming convention: W_ddmmyy where ddmmyy = day-month-year
NWS Specifications: NWSI 10-507
Description: The CWA boundaries are the counties/zones for which each Weather Forecast Office (WFO) is responsible for issuing forecasts and warnings. The shapefile was created by aggregating public zones with the same CWA designation into a single polygon and manually adjusting the boundaries of the exceptions to the rule.
| Description | Valid Date | Data Download | #Records | MD5sum | Documentation | |
|---|---|---|---|---|---|---|
| County Warning Areas | 5 April 2022 (ppd from 22 March 2022) |
w_22mr22.zip | 125 | c5c22aac9f5c784d9f7a9a9e5afce279 Last Updated: 19-APR-22 |
Change History | Metadata |
Shapefile Attributes:
| Field Name | Type | Width | Description |
|---|---|---|---|
| WFO | character | 3 | WFO Identifier (name of CWA) |
| CWA | character | 3 | CWA Identifier (same as WFO) |
| Lon | numeric | 10,5 | Longitude of centroid [decimal degrees] |
| Lat | numeric | 9,5 | Latitude of centroid [decimal degrees] |
| Region | character | 2 | NWS Region (Eastern (ER), Western (WR), Central (CR), Southern (SR), Alaska (AR), Pacific (PR) |
| FullStaId | character | 4 | Full 4 character internal NWS Station ID for CWA |
| CityState | character | 50 | City and state in which the WFO office is located |
| City | character | 50 | City designator for office |
| State | character | 50 | Full state name in which office is located |
| St | character | 2 | Two character state abbreviation for state where office is located |
