{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:07.417001", "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": "2021-Oct-15_to_2021-Oct-19_295.5_19.0"}, "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": 2021100001955}, "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": "October 15 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 99265.45275418342}, "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": ["Puerto Rico"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Atlantic Ocean", "Caribbean Sea"]}, "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": 19.0}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-62.5, 17.75], [-62.75, 17.85], [-63.0, 17.75], [-63.25, 17.85], [-63.32, 17.82], [-63.47, 17.47], [-64.0, 17.25], [-64.5, 17.46], [-65.0, 17.25], [-65.5, 17.46], [-66.0, 17.25], [-66.53, 17.47], [-66.7, 17.88], [-67.0, 17.75], [-67.53, 17.97], [-67.75, 18.5], [-67.53, 19.03], [-67.18, 19.18], [-67.13, 19.3], [-67.25, 19.35], [-67.5, 19.25], [-68.03, 19.47], [-68.25, 20.0], [-68.03, 20.53], [-67.5, 20.75], [-67.25, 20.65], [-67.18, 20.68], [-67.03, 21.03], [-66.5, 21.25], [-66.25, 21.15], [-66.18, 21.18], [-66.03, 21.53], [-65.5, 21.75], [-64.97, 21.53], [-64.75, 21.0], [-64.87, 20.7], [-64.47, 20.53], [-64.32, 20.18], [-64.25, 20.15], [-64.0, 20.25], [-63.75, 20.15], [-63.5, 20.25], [-62.97, 20.03], [-62.82, 19.68], [-62.75, 19.65], [-62.5, 19.75], [-62.25, 19.65], [-62.0, 19.75], [-61.47, 19.53], [-61.25, 19.0], [-61.47, 18.47], [-61.82, 18.32], [-61.97, 17.97], [-62.5, 17.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "N.Atlantic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.5, 17.75], [-63.02999999999997, 17.97], [-63.25, 18.5], [-63.02999999999997, 19.03], [-62.5, 19.25], [-61.97000000000003, 19.03], [-61.75, 18.5], [-61.97000000000003, 17.97], [-62.5, 17.75]]], [[[-68.02999999999997, 19.47], [-68.25, 20.0], [-68.02999999999997, 20.53], [-67.5, 20.75], [-67.25, 20.65], [-67.18, 20.68], [-67.02999999999997, 21.03], [-66.5, 21.25], [-66.25, 21.15], [-66.18, 21.18], [-66.02999999999997, 21.53], [-65.5, 21.75], [-64.97000000000003, 21.53], [-64.75, 21.0], [-64.97000000000003, 20.47], [-65.32, 20.32], [-65.35000000000002, 20.25], [-65.25, 20.0], [-65.47000000000003, 19.47], [-66.0, 19.25], [-66.25, 19.35], [-66.5, 19.25], [-66.75, 19.35], [-67.0, 19.25], [-67.25, 19.35], [-67.5, 19.25], [-68.02999999999997, 19.47]]]]}, "2021-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.5, 19.25], 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[-67.52999999999997, 19.03], [-67.18, 19.18], [-67.12, 19.3], [-67.25, 19.35], [-67.5, 19.25]]]]}, "2021-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.5, 19.25], [-68.02999999999997, 19.47], [-68.25, 20.0], [-68.02999999999997, 20.53], [-67.5, 20.75], [-67.25, 20.65], [-67.18, 20.68], [-67.02999999999997, 21.03], [-66.5, 21.25], [-66.25, 21.15], [-66.18, 21.18], [-66.02999999999997, 21.53], [-65.5, 21.75], [-64.97000000000003, 21.53], [-64.75, 21.0], [-64.87, 20.7], [-64.47000000000003, 20.53], [-64.32, 20.18], [-64.25, 20.15], [-64.0, 20.25], [-63.75, 20.15], [-63.5, 20.25], [-62.97000000000003, 20.03], [-62.81999999999999, 19.68], [-62.75, 19.65], [-62.5, 19.75], [-62.25, 19.65], [-62.0, 19.75], [-61.47000000000003, 19.53], [-61.25, 19.0], [-61.47000000000003, 18.47], [-61.81999999999999, 18.32], [-61.97000000000003, 17.97], [-62.5, 17.75], [-62.75, 17.85], [-63.0, 17.75], [-63.25, 17.85], [-63.31999999999999, 17.82], [-63.47000000000003, 17.47], [-64.0, 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28.226990610926464, 28.212675925335645]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0062724191431016, 0.968876255585465, 0.9103457298251653, 0.8762965903075101, 0.9400489888081817]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1710422336632291, 1.245969420598044, 1.1814253980886633, 1.097104035110135, 1.0868186225991394]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.679702884605601, 1.7159442417781339, 1.5906687243458677, 1.5300200625483495, 1.6314846738088278]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9281753615784307, 2.2764862436763447, 2.1318609211211625, 1.9678842188400443, 1.9698121799365438]}}