{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:30.817493", "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": "2024-Apr-09_to_2024-Apr-12_305.0_-6.5"}, "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": 2024040001241}, "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": "April 09 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 12 2024"}, "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": 64548.375148661}, "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": -6.5}, "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": 305.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 304.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-56.15, -6.25], [-56.25, -6.0], [-56.03, -5.47], [-55.68, -5.32], [-55.65, -5.25], [-55.68, -5.18], [-56.03, -5.03], [-56.25, -4.5], [-56.15, -4.25], [-56.25, -4.0], [-56.03, -3.47], [-55.5, -3.25], [-54.97, -3.47], [-54.75, -4.0], [-54.85, -4.25], [-54.82, -4.32], [-54.75, -4.35], [-54.5, -4.25], [-54.25, -4.35], [-54.0, -4.25], [-53.47, -4.47], [-53.25, -5.0], [-53.35, -5.25], [-53.25, -5.5], [-53.35, -5.75], [-53.25, -6.0], [-53.35, -6.25], [-53.25, -6.5], [-53.47, -7.03], [-53.82, -7.18], [-53.97, -7.53], [-54.32, -7.68], [-54.47, -8.03], [-55.0, -8.25], [-55.25, -8.15], [-55.5, -8.25], [-56.03, -8.03], [-56.25, -7.5], [-56.15, -7.25], [-56.25, -7.0], [-56.15, -6.75], [-56.25, -6.5], [-56.15, -6.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -7.0], [-56.14999999999998, -6.75], [-56.25, -6.5], [-56.14999999999998, -6.25], [-56.25, -6.0], [-56.02999999999997, -5.47], [-55.68000000000001, -5.32], [-55.64999999999998, -5.25], [-55.75, -5.0], [-55.52999999999997, -4.47], [-55.0, -4.25], [-54.75, -4.35], [-54.5, -4.25], [-54.25, -4.35], [-54.0, -4.25], [-53.47000000000003, -4.47], [-53.25, -5.0], [-53.35000000000002, -5.25], [-53.25, -5.5], [-53.35000000000002, -5.75], [-53.25, -6.0], [-53.35000000000002, -6.25], [-53.25, -6.5], [-53.47000000000003, -7.03], [-53.81999999999999, -7.18], [-53.97000000000003, -7.53], [-54.31999999999999, -7.68], [-54.47000000000003, -8.03], [-55.0, -8.25], [-55.25, -8.15], [-55.5, -8.25], [-56.02999999999997, -8.03], [-56.25, -7.5], [-56.14999999999998, -7.25], [-56.25, -7.0]]]]}, "2024-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -7.0], [-56.14999999999998, -6.75], [-56.25, -6.5], [-56.14999999999998, -6.25], [-56.25, -6.0], [-56.02999999999997, -5.47], [-55.68000000000001, -5.32], [-55.64999999999998, -5.25], [-55.68000000000001, -5.18], [-56.02999999999997, -5.03], [-56.25, -4.5], [-56.14999999999998, -4.25], [-56.25, -4.0], [-56.02999999999997, -3.47], [-55.5, -3.25], [-54.97000000000003, -3.47], [-54.75, -4.0], [-54.85000000000002, -4.25], [-54.81999999999999, -4.32], [-54.75, -4.35], [-54.5, -4.25], [-54.25, -4.35], [-54.0, -4.25], [-53.47000000000003, -4.47], [-53.25, -5.0], [-53.35000000000002, -5.25], [-53.25, -5.5], [-53.35000000000002, -5.75], [-53.25, -6.0], [-53.35000000000002, -6.25], [-53.25, -6.5], [-53.47000000000003, -7.03], [-53.81999999999999, -7.18], [-53.97000000000003, -7.53], [-54.31999999999999, -7.68], [-54.47000000000003, -8.03], [-55.0, -8.25], [-55.25, -8.15], [-55.5, -8.25], [-56.02999999999997, -8.03], [-56.25, -7.5], [-56.14999999999998, -7.25], [-56.25, -7.0]]]]}, "2024-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -7.0], [-56.14999999999998, -6.75], [-56.25, -6.5], [-56.14999999999998, -6.25], [-56.25, -6.0], [-56.02999999999997, -5.47], [-55.68000000000001, -5.32], [-55.64999999999998, -5.25], [-55.68000000000001, -5.18], [-56.02999999999997, -5.03], [-56.25, -4.5], [-56.14999999999998, -4.25], [-56.25, -4.0], [-56.02999999999997, -3.47], [-55.5, -3.25], [-54.97000000000003, -3.47], [-54.75, -4.0], [-54.85000000000002, -4.25], [-54.81999999999999, -4.32], [-54.75, -4.35], [-54.5, -4.25], [-54.25, -4.35], [-54.0, -4.25], [-53.47000000000003, -4.47], [-53.25, -5.0], [-53.35000000000002, -5.25], [-53.25, -5.5], [-53.35000000000002, -5.75], [-53.25, -6.0], [-53.35000000000002, -6.25], [-53.25, -6.5], [-53.47000000000003, -7.03], [-53.81999999999999, -7.18], [-53.97000000000003, -7.53], [-54.31999999999999, -7.68], [-54.47000000000003, -8.03], [-55.0, -8.25], [-55.25, -8.15], [-55.5, -8.25], [-56.02999999999997, -8.03], [-56.25, -7.5], [-56.14999999999998, -7.25], [-56.25, -7.0]]]]}, "2024-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -4.0], [-56.02999999999997, -3.47], [-55.5, -3.25], [-54.97000000000003, -3.47], [-54.75, -4.0], [-54.85000000000002, -4.25], [-54.75, -4.5], [-54.97000000000003, -5.03], [-55.5, -5.25], [-56.02999999999997, -5.03], [-56.25, -4.5], [-56.14999999999998, -4.25], [-56.25, -4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0699895095230545}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5148951023645938}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.49023826618503, 26.399651314535106, 26.51083600290633, 26.352929568285276]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.834828425838452, 27.03823268638274, 26.977970615412744, 26.731386445748228]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5441930485640802, 1.44486703139689, 1.6017246725961898, 1.0601488711986065]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7914014947579062, 1.7718570677588446, 2.0699895095230545, 1.0854631188649364]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7700083762190573, 1.648043227266062, 1.8614928327207747, 1.2875694895657865]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.051166022779781, 2.0693561389330184, 2.427628231314446, 1.3147572599935695]}}