Sample weather feed

       {
  "@context": [
  "https://raw.githubusercontent.com/geojson/geojson-ld/master/contexts/geojson-base.jsonld",
  {
   "wx": "https://api.weather.gov/ontology#",
   "@vocab": "https://api.weather.gov/ontology#"
  }
 ],
 "type": "FeatureCollection",
 "features": [
  {
   "id": "https://api.weather.gov/alerts/NWS-IDP-PROD-2358285-6219777",
   "type": "Feature",
   "geometry": {
    "type": "Polygon",
    "coordinates": [
     [
      [
        -156.29,
        20.68
      ],
     [
      -156.45,
      20.70
     ],
     [
      -156.47,
      20.79
     ],
     [
      -156.47,
      20.88
     ],
     [
      -156.27,
      20.92
     ],
     [
      -156.29,
      20.68
     ]
    ]
   ]
  },
  "properties": {
   "@id": "https://api.weather.gov/alerts/NWS-IDP-PROD-2358285-6219777",
   "@type": "wx:Alert",
   "id": "NWS-IDP-PROD-2358285-6219777",
   "areaDesc": "Maui",
   "geocode": {
    "UGC": [
     "HIZ018",
     "HIZ017"
    ],
    "SAME": [
     "015009",
     "015009"
    ]
   },
   "references": [
    "https://api.weather.gov/alerts/NWS-IDP-PROD-2358285-6219776"
   ],
   "sent": "2017-07-26T17:39:56+00:00",
   
"effective": "2017-07-26T17:39:56+00:00",
   "onset": "2017-07-11T17:39:00+00:00",
   
"expires": "2017-07-28T19:15:00+00:00",
   "ends": "2017-07-28T19:15:00+00:00",
   "status": "Actual",
   "messageType": "Update",
   "category": "Met",
   "severity": "Moderate",
   "certainty": "Likely",
   "urgency": "Expected",
   
"event": "Flood Advisory"
"sender": "NWS Honolulu HI",
   
"headline":"Flood advisory issued July 27 at 2:34AM HST expiring July 28 at 5:30PM HST by NWS Honolulu HI"
   
"description"
"instruction": "Stay away from streams, drainage ditches and low lying areas prone to flooding. Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action.",
   "response": "Avoid",
   "parameters": {
    "VTEC": [
     "/O.EXT.KREV.FA.Y.0010.000000T0000Z-170516T1915Z/"
    ],
    "PIL": [
     "REVFLSREV"
    ],
    "BLOCKCHANNEL": [
     "CMAS",
     "EAS",
     "NWEM"
    ],
    "eventEndingTime": [
     "2017-07-16T19:15:00Z"
    ]
   }
  }
 }
],
  "title": "Current watches, warnings, and advisories"
}