## raster.utm_zone_to_crs()


Create a CRS from an UTM zone string.


Usage

``` python
raster.utm_zone_to_crs(utm_zone)
```


## Parameters


`utm_zone: str`  
UTM zone identifier (e.g., '32N', '01S')


## Returns


`pyproj.CRS`  
The coordinate reference system.


## Raises


`ValueError`  
If `utm_zone` is malformed, the zone is outside 1-60, or the hemisphere is not `'N'`/`'S'`.
