anchor.diff:  https://lightning.weather.mg/weighted?&temporalResolution=PT15M&spatialResolution=0.5&locationWithin=[-10,80],[10,5]&occurredFrom=2017-01-05T12:19:14Z
   https://lightning.weather.mg/weighted?&temporalResolution=PT15M&spatialResolution=0.5&locationWithin=[-10,80],[10,5]
   
  +##### Limitation
  +Since AWS API Gatewey has maximum response time 30 seconds and a Lambda instance can allocate no more than 1.5Gb RAM it is impossible to process a really huge amount of lightning events. Therefore at most 200 000 first lightnings are being taken into account.
  +
   ### Observed weighted lightning for a given boundingBox, time period, weighted by time span and spatial resolution
   
   This resource provides data from existing lightning observation providers: NOWCAST and ENGLN.
  
positive.code:     + occurredUntil: `2017-01-05T12:21:15Z` (end time range, optional)
          - time range period for lightning observation.
  
  
      + provider: `ENGLN,NOWCAST' (string, required)
          - lightning providers.
  
  
  
  + Response 200 (application/json)
  
negative.code:     + Headers
  
              Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.EkN-DOsnsuRjRO6BxXemmJDm3HbxrbRzXglbN2S4sOkopdU4IsDxTI8jO19W_A4K8ZPJijNLis4EZsHeY559a4DFOd50_OqgHGuERTqYZyuhtF39yxJPAjUESwxk2J5k_4zM3O-vtd1Ghyo4IbqKKSy6J9mTniYJPenn5-HIirE
  			Link: <&startPosition=30000>; rel="next"
  
      + Body
          {
  