{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:57.525363", "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": "2023-Jun-08_to_2023-Jun-12_304.5_-12.0"}, "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": 2023060001719}, "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": "June 08 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 12 2023"}, "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": 72492.59690976706}, "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": -12.0}, "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": 304.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-56.18, -10.82], [-56.03, -10.47], [-55.5, -10.25], [-55.25, -10.35], [-55.0, -10.25], [-54.47, -10.47], [-54.25, -11.0], [-54.35, -11.25], [-54.32, -11.32], [-54.25, -11.35], [-54.0, -11.25], [-53.47, -11.47], [-53.32, -11.82], [-52.97, -11.97], [-52.82, -12.32], [-52.47, -12.47], [-52.25, -13.0], [-52.47, -13.53], [-53.0, -13.75], [-53.25, -13.65], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-54.75, -13.65], [-55.0, -13.75], [-55.25, -13.65], [-55.5, -13.75], [-56.03, -13.53], [-56.18, -13.18], [-56.5, -13.04], [-57.0, -13.25], [-57.53, -13.03], [-57.75, -12.5], [-57.53, -11.97], [-57.18, -11.82], [-57.03, -11.47], [-56.68, -11.32], [-56.53, -10.97], [-56.18, -10.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.02999999999997, -11.47], [-55.5, -11.25], [-54.97000000000003, -11.47], [-54.75, -12.0], [-54.97000000000003, -12.53], [-55.5, -12.75], [-56.02999999999997, -12.53], [-56.25, -12.0], [-56.02999999999997, -11.47]]]]}, "2023-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.02999999999997, -11.47], [-55.5, -11.25], [-54.97000000000003, -11.47], [-54.75, -12.0], [-54.97000000000003, -12.53], [-55.5, -12.75], [-56.02999999999997, -12.53], [-56.25, -12.0], [-56.02999999999997, -11.47]]]]}, "2023-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.02999999999997, -11.47], [-56.68000000000001, -11.32], [-56.52999999999997, -10.97], [-56.18000000000001, -10.82], [-56.02999999999997, -10.47], [-55.5, -10.25], [-55.25, -10.35], [-55.0, -10.25], [-54.47000000000003, -10.47], [-54.25, -11.0], [-54.35000000000002, -11.25], [-54.31999999999999, -11.32], [-54.25, -11.35], [-54.0, -11.25], [-53.47000000000003, -11.47], [-53.31999999999999, -11.82], [-52.97000000000003, -11.97], [-52.81999999999999, -12.32], [-52.47000000000003, -12.47], [-52.25, -13.0], [-52.47000000000003, -13.53], [-53.0, -13.75], [-53.25, -13.65], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-54.75, -13.65], [-55.0, -13.75], [-55.25, -13.65], [-55.5, -13.75], [-56.02999999999997, -13.53], [-56.18000000000001, -13.18], [-56.5, -13.04], [-57.0, -13.25], [-57.52999999999997, -13.03], [-57.75, -12.5], [-57.52999999999997, -11.97], [-57.18000000000001, -11.82], [-57.02999999999997, -11.47]]]]}, "2023-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.02999999999997, -11.47], [-56.68000000000001, -11.32], [-56.52999999999997, -10.97], [-56.18000000000001, -10.82], [-56.02999999999997, -10.47], [-55.5, -10.25], [-55.25, -10.35], [-55.0, -10.25], [-54.47000000000003, -10.47], [-54.25, -11.0], [-54.35000000000002, -11.25], [-54.31999999999999, -11.32], [-54.25, -11.35], [-54.0, -11.25], [-53.47000000000003, -11.47], [-53.31999999999999, -11.82], [-52.97000000000003, -11.97], [-52.81999999999999, -12.32], [-52.47000000000003, -12.47], [-52.25, -13.0], [-52.47000000000003, -13.53], [-53.0, -13.75], [-53.25, -13.65], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-54.75, -13.65], [-55.0, -13.75], [-55.25, -13.65], [-55.5, -13.75], [-56.02999999999997, -13.53], [-56.18000000000001, -13.18], [-56.5, -13.04], [-57.0, -13.25], [-57.52999999999997, -13.03], [-57.75, -12.5], [-57.52999999999997, -11.97], [-57.18000000000001, -11.82], [-57.02999999999997, -11.47]]]]}, "2023-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.02999999999997, -11.47], [-56.68000000000001, -11.32], [-56.52999999999997, -10.97], [-56.18000000000001, -10.82], [-56.02999999999997, -10.47], [-55.5, -10.25], [-55.25, -10.35], [-55.0, -10.25], [-54.47000000000003, -10.47], [-54.25, -11.0], [-54.35000000000002, -11.25], [-54.31999999999999, -11.32], [-54.25, -11.35], [-54.0, -11.25], [-53.47000000000003, -11.47], [-53.31999999999999, -11.82], [-52.97000000000003, -11.97], [-52.81999999999999, -12.32], [-52.47000000000003, -12.47], [-52.25, -13.0], [-52.47000000000003, -13.53], [-53.0, -13.75], [-53.25, -13.65], [-53.5, -13.75], [-53.75, -13.65], [-54.0, -13.75], [-54.25, -13.65], [-54.5, -13.75], [-54.75, -13.65], [-55.0, -13.75], [-55.25, -13.65], [-55.5, -13.75], [-56.02999999999997, -13.53], [-56.18000000000001, -13.18], [-56.5, -13.04], [-57.0, -13.25], [-57.52999999999997, -13.03], [-57.75, -12.5], [-57.52999999999997, -11.97], [-57.18000000000001, -11.82], [-57.02999999999997, -11.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.28973448315179}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5722191619298562}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.57423574792142, 26.465371309755767, 26.369978299304705, 26.56720970157022, 26.697664630249562]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.57423574792142, 26.465371309755767, 26.796719245799466, 27.09093194804126, 27.404245112702085]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3820361174124969, 1.280816978538553, 1.3694673240271555, 1.6128921972405525, 1.7543640156847218]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3820361174124969, 1.280816978538553, 1.6549751271976447, 1.9261338309086113, 2.28973448315179]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3919084462206928, 1.3288052030873807, 1.4437507283069528, 1.7320793447169267, 1.9529111066169114]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3919084462206928, 1.3288052030873807, 1.6897074559776224, 2.0638351761421747, 2.6677016693540962]}}