{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:25.875734", "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-May-10_to_2022-May-14_301.0_-4.0"}, "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": 2022050001935}, "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": "May 10 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 2022"}, "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": 58623.76308996305}, "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": ["Brazil"]}, "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": []}, "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": -4.0}, "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": 301.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 304.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-57.97, -5.03], [-58.5, -5.25], [-59.03, -5.03], [-59.18, -4.68], [-59.25, -4.65], [-59.5, -4.75], [-60.03, -4.53], [-60.25, -4.0], [-60.03, -3.47], [-59.68, -3.32], [-59.53, -2.97], [-59.18, -2.82], [-59.03, -2.47], [-58.5, -2.25], [-58.25, -2.35], [-58.18, -2.32], [-58.03, -1.97], [-57.5, -1.75], [-57.25, -1.85], [-57.0, -1.75], [-56.75, -1.85], [-56.5, -1.75], [-56.25, -1.85], [-56.0, -1.75], [-55.47, -1.97], [-55.25, -2.5], [-55.35, -2.75], [-55.25, -3.0], [-55.46, -3.5], [-55.25, -4.0], [-55.47, -4.53], [-56.0, -4.75], [-56.25, -4.65], [-56.5, -4.75], [-56.75, -4.65], [-57.0, -4.75], [-57.25, -4.65], [-57.5, -4.75], [-57.8, -4.62], [-57.97, -5.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.52999999999997, -2.97], [-59.0, -2.75], [-58.47000000000003, -2.97], [-58.31999999999999, -3.32], [-57.97000000000003, -3.47], [-57.75, -4.0], [-57.97000000000003, -4.53], [-58.5, -4.75], [-58.75, -4.65], [-59.0, -4.75], [-59.25, -4.65], [-59.5, -4.75], [-60.02999999999997, -4.53], [-60.25, -4.0], [-60.02999999999997, -3.47], [-59.68000000000001, -3.32], [-59.52999999999997, -2.97]]]]}, "2022-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.52999999999997, -2.97], [-59.18000000000001, -2.82], [-59.02999999999997, -2.47], [-58.5, -2.25], [-58.25, -2.35], [-58.18000000000001, -2.32], [-58.02999999999997, -1.97], [-57.5, -1.75], [-57.25, -1.85], [-57.0, -1.75], [-56.75, -1.85], [-56.5, -1.75], [-56.25, -1.85], [-56.0, -1.75], [-55.47000000000003, -1.97], [-55.25, -2.5], [-55.35000000000002, -2.75], [-55.25, -3.0], [-55.45999999999998, -3.5], [-55.25, -4.0], [-55.47000000000003, -4.53], [-56.0, -4.75], [-56.25, -4.65], [-56.5, -4.75], [-56.75, -4.65], [-57.0, -4.75], [-57.25, -4.65], [-57.5, -4.75], [-58.0, -4.54], [-58.5, -4.75], [-58.75, -4.65], [-59.0, -4.75], [-59.25, -4.65], [-59.5, -4.75], [-60.02999999999997, -4.53], [-60.25, -4.0], [-60.02999999999997, -3.47], [-59.68000000000001, -3.32], [-59.52999999999997, -2.97]]]]}, "2022-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.52999999999997, -2.97], [-59.18000000000001, -2.82], [-59.02999999999997, -2.47], [-58.5, -2.25], [-58.25, -2.35], [-58.18000000000001, -2.32], [-58.02999999999997, -1.97], [-57.5, -1.75], [-57.25, -1.85], [-57.0, -1.75], [-56.75, -1.85], [-56.5, -1.75], [-56.25, -1.85], [-56.0, -1.75], [-55.47000000000003, -1.97], [-55.25, -2.5], [-55.35000000000002, -2.75], [-55.25, -3.0], [-55.45999999999998, -3.5], [-55.25, -4.0], [-55.47000000000003, -4.53], [-56.0, -4.75], [-56.25, -4.65], [-56.5, -4.75], [-56.75, -4.65], [-57.0, -4.75], [-57.25, -4.65], [-57.5, -4.75], [-57.80000000000001, -4.62], [-57.97000000000003, -5.03], [-58.5, -5.25], [-59.02999999999997, -5.03], [-59.18000000000001, -4.68], [-59.25, -4.65], [-59.5, -4.75], [-60.02999999999997, -4.53], [-60.25, -4.0], [-60.02999999999997, -3.47], [-59.68000000000001, -3.32], [-59.52999999999997, -2.97]]]]}, "2022-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.52999999999997, -4.53], [-59.75, -4.0], [-59.52999999999997, -3.47], [-59.120000000000005, -3.3], [-59.25, -3.0], [-59.02999999999997, -2.47], [-58.5, -2.25], [-58.25, -2.35], [-58.18000000000001, -2.32], [-58.02999999999997, -1.97], [-57.5, -1.75], [-57.25, -1.85], [-57.0, -1.75], [-56.75, -1.85], [-56.5, -1.75], [-56.25, -1.85], [-56.0, -1.75], [-55.47000000000003, -1.97], [-55.25, -2.5], [-55.35000000000002, -2.75], [-55.25, -3.0], [-55.45999999999998, -3.5], [-55.25, -4.0], [-55.47000000000003, -4.53], [-56.0, -4.75], [-56.25, -4.65], [-56.5, -4.75], [-56.75, -4.65], [-57.0, -4.75], [-57.25, -4.65], [-57.5, -4.75], [-57.80000000000001, -4.62], [-57.97000000000003, -5.03], [-58.5, -5.25], [-59.02999999999997, -5.03], [-59.18000000000001, -4.68], [-59.52999999999997, -4.53]]]]}, "2022-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.02999999999997, -3.97], [-58.5, -3.75], [-57.97000000000003, -3.97], [-57.75, -4.5], [-57.97000000000003, -5.03], [-58.5, -5.25], [-59.02999999999997, -5.03], [-59.25, -4.5], [-59.02999999999997, -3.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1236318022502587}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4484630089326378}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.708299531290493, 27.444211573467044, 28.054650841762395, 27.543777254243707, 27.42567759760135]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.99192559321699, 28.02871685183402, 28.636816912382926, 27.973529963908277, 27.42567759760135]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3434334487361212, 1.2338711379480287, 1.8154459956860747, 1.304005359362955, 1.2143382218109764]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5638682491938312, 1.545435687425197, 2.1236318022502587, 1.5679699691893347, 1.2143382218109764]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5298083356345442, 1.4555927084913622, 2.0902921659544065, 1.4998685938910483, 1.3684579424352117]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7736879786702042, 1.6907958491452253, 2.4588577778395186, 1.7364234093294895, 1.3684579424352117]}}