{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:37.565968", "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-Nov-03_to_2021-Nov-05_304.0_-21.5"}, "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": 2021110001342}, "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": "November 03 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 54912.55667992651}, "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": -21.5}, "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": 304.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -20.5], [-58.15, -20.25], [-58.25, -20.0], [-58.03, -19.47], [-57.68, -19.32], [-57.53, -18.97], [-57.0, -18.75], [-56.47, -18.97], [-56.32, -19.32], [-56.25, -19.35], [-56.0, -19.25], [-55.47, -19.47], [-55.32, -19.82], [-54.97, -19.97], [-54.82, -20.32], [-54.47, -20.47], [-54.25, -21.0], [-54.35, -21.25], [-54.25, -21.5], [-54.47, -22.03], [-55.0, -22.25], [-55.25, -22.15], [-55.5, -22.25], [-55.75, -22.15], [-56.0, -22.25], [-56.3, -22.12], [-56.47, -22.53], [-57.0, -22.75], [-57.53, -22.53], [-57.68, -22.18], [-58.03, -22.03], [-58.25, -21.5], [-58.15, -21.25], [-58.25, -21.0], [-58.15, -20.75], [-58.25, -20.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -21.0], [-58.14999999999998, -20.75], [-58.25, -20.5], [-58.14999999999998, -20.25], [-58.25, -20.0], [-58.02999999999997, -19.47], [-57.68000000000001, -19.32], [-57.52999999999997, -18.97], [-57.0, -18.75], [-56.47000000000003, -18.97], [-56.31999999999999, -19.32], [-56.25, -19.35], [-56.0, -19.25], [-55.47000000000003, -19.47], [-55.31999999999999, -19.82], [-54.97000000000003, -19.97], [-54.81999999999999, -20.32], [-54.47000000000003, -20.47], [-54.25, -21.0], [-54.35000000000002, -21.25], [-54.25, -21.5], [-54.47000000000003, -22.03], [-55.0, -22.25], [-55.25, -22.15], [-55.5, -22.25], [-55.75, -22.15], [-56.0, -22.25], [-56.30000000000001, -22.12], [-56.47000000000003, -22.53], [-57.0, -22.75], [-57.52999999999997, -22.53], [-57.68000000000001, -22.18], [-58.02999999999997, -22.03], [-58.25, -21.5], [-58.14999999999998, -21.25], [-58.25, -21.0]]]]}, "2021-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -21.0], [-58.14999999999998, -20.75], [-58.25, -20.5], [-58.14999999999998, -20.25], [-58.25, -20.0], [-58.02999999999997, -19.47], [-57.68000000000001, -19.32], [-57.52999999999997, -18.97], [-57.0, -18.75], [-56.47000000000003, -18.97], [-56.31999999999999, -19.32], [-56.25, -19.35], [-56.0, -19.25], [-55.47000000000003, -19.47], [-55.31999999999999, -19.82], [-54.97000000000003, -19.97], [-54.81999999999999, -20.32], [-54.47000000000003, -20.47], [-54.25, -21.0], [-54.35000000000002, -21.25], [-54.25, -21.5], [-54.47000000000003, -22.03], [-55.0, -22.25], [-55.25, -22.15], [-55.5, -22.25], [-55.75, -22.15], [-56.0, -22.25], [-56.30000000000001, -22.12], [-56.47000000000003, -22.53], [-57.0, -22.75], [-57.52999999999997, -22.53], [-57.68000000000001, -22.18], [-58.02999999999997, -22.03], [-58.25, -21.5], [-58.14999999999998, -21.25], [-58.25, -21.0]]]]}, "2021-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -21.0], [-58.14999999999998, -20.75], [-58.25, -20.5], [-58.14999999999998, -20.25], [-58.25, -20.0], [-58.02999999999997, -19.47], [-57.68000000000001, -19.32], [-57.52999999999997, -18.97], [-57.0, -18.75], [-56.47000000000003, -18.97], [-56.31999999999999, -19.32], [-56.25, -19.35], [-56.0, -19.25], [-55.47000000000003, -19.47], [-55.31999999999999, -19.82], [-54.97000000000003, -19.97], [-54.81999999999999, -20.32], [-54.47000000000003, -20.47], [-54.25, -21.0], [-54.35000000000002, -21.25], [-54.25, -21.5], [-54.47000000000003, -22.03], [-55.0, -22.25], [-55.25, -22.15], [-55.5, -22.25], [-55.75, -22.15], [-56.0, -22.25], [-56.30000000000001, -22.12], [-56.47000000000003, -22.53], [-57.0, -22.75], [-57.52999999999997, -22.53], [-57.68000000000001, -22.18], [-58.02999999999997, -22.03], [-58.25, -21.5], [-58.14999999999998, -21.25], [-58.25, -21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.876071536040001}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6510804302422715}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.746508922471946, 29.883065668197275, 29.491664950771906]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.40574350640003, 31.6965308093923, 31.348245750092303]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7124261404259395, 3.8527743543719932, 3.388040795928882]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.29067126776232, 4.876071536040001, 4.130668529054674]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4322046238137658, 1.5396823991285842, 1.3985480897163454]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.609982953057816, 1.7345585963114278, 1.7544401894490265]}}