{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:41.622873", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2022-Aug-24_to_2022-Aug-27_285.5_0.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2022080002754}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "August 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 27 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 139068.73007402}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Colombia", "Ecuador", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 0.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-77.15, -0.25], [-77.25, 0.0], [-77.03, 0.53], [-76.5, 0.75], [-76.25, 0.65], [-76.18, 0.68], [-76.15, 0.75], [-76.25, 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{"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.52999999999997, 1.03], [-74.0, 1.25], [-73.47000000000003, 1.03], [-73.25, 0.5], [-73.35000000000002, 0.25], [-73.25, 0.0], [-73.47000000000003, -0.53], [-74.0, -0.75], [-74.25, -0.65], [-74.5, -0.75], [-75.02999999999997, -0.53], [-75.25, 0.0], [-75.02999999999997, 0.53], [-74.68, 0.68], [-74.52999999999997, 1.03]]]]}, "2022-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -1.0], [-77.14999999999998, -0.75], [-77.25, -0.5], [-77.14999999999998, -0.25], [-77.25, 0.0], [-77.02999999999997, 0.53], [-76.5, 0.75], [-76.25, 0.65], [-76.18, 0.68], [-76.14999999999998, 0.75], [-76.25, 1.0], [-76.02999999999997, 1.53], [-75.5, 1.75], [-75.25, 1.65], [-75.18, 1.68], [-75.14999999999998, 1.75], [-75.25, 2.0], [-75.02999999999997, 2.53], [-74.68, 2.68], [-74.64999999999998, 2.75], [-74.75, 3.0], [-74.52999999999997, 3.53], [-74.0, 3.75], [-73.47000000000003, 3.53], [-73.32, 3.18], [-72.97000000000003, 3.03], [-72.82, 2.68], [-72.47000000000003, 2.53], [-72.25, 2.0], [-72.35000000000002, 1.75], [-72.32, 1.68], [-71.97000000000003, 1.53], [-71.75, 1.0], [-71.97000000000003, 0.47], [-72.32, 0.32], [-72.35000000000002, 0.25], [-72.25, 0.0], [-72.35000000000002, -0.25], [-72.25, -0.5], [-72.47000000000003, -1.03], [-73.0, -1.25], [-73.25, -1.15], [-73.32, -1.18], [-73.47000000000003, -1.53], [-74.0, -1.75], [-74.25, -1.65], [-74.5, -1.75], [-75.02999999999997, -1.53], [-75.18, -1.18], [-75.25, -1.15], [-75.32, -1.18], [-75.47000000000003, -1.53], [-75.82, -1.68], [-75.97000000000003, -2.03], [-76.5, -2.25], [-77.02999999999997, -2.03], [-77.25, -1.5], [-77.14999999999998, -1.25], [-77.25, -1.0]]]]}, "2022-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -1.0], [-77.14999999999998, -0.75], [-77.25, -0.5], 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{"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.056445937405385, 26.691150870777335, 27.111393490084822, 26.81946094345824]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2800637682373501, 1.5039785077495518, 1.7051417643255933, 1.5829362047239746]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3428990579111542, 2.0365662108324045, 2.504515802208118, 2.1308941824551084]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.490197232001891, 1.7790058616938453, 1.9800098842306681, 1.836173516978519]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5295800729400322, 2.396641467655909, 2.714344487015955, 2.4745334436157544]}}