Reduce HRRR variables to specific geographic location (skagit basin)

[jakes44]

We want to focus just on the skagit basin (lower BC and western washington) geographically to aid in analysis and limit size.

The best way to do this is to draw a boundary/border using GeoJson Format. Coordinate systems may need converted.

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "coordinates": [
          [
            [
              -123.40966347118751,
              50.06801048677286
            ],
            [
              -123.40966347118751,
              47.54347142861093
            ],
            [
              -118.09228065868737,
              47.54347142861093
            ],
            [
              -118.09228065868737,
              50.06801048677286
            ],
            [
              -123.40966347118751,
              50.06801048677286
            ]
          ]
        ],
        "type": "Polygon"
      }
    }
  ]
}