GIS
National Program
Shapefile Type: Polygon
Data source: Derived from US County Waning Areas and River Basins
Naming convention: hsddmmyy where ddmmyy = day-month-year
Description: Areas of hydrologic responsibility for each Weather Forecast Office (WFO).
Metadata
| Description | Valid date | Data Download | # Records | Documentation | 
|---|---|---|---|---|
| HSA Boundaries | 8 March 2023 Date last updated: 17-JAN-23  | 
			hs08mr23.zip | 125 | Change History | 
Shapefile Attributes:
| field name | type | width,dec | description | 
|---|---|---|---|
| WFO | character | 3 | WFO Identifier (name of CWA) | 
| LON | numeric | 10,5 | Longitude of centroid [decimal degrees] | 
| LAT | numeric | 9,5 | Latitude of centroid [decimal degrees] | 

