{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:35.444675", "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-Dec-11_to_2024-Dec-13_321.0_-10.5"}, "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": 2024120001469}, "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": "December 11 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2024"}, "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": 69764.52761654745}, "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": ["Atlantic Ocean"]}, "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": -10.5}, "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": 321.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "321.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 319.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 323.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-41.25, -10.5], [-41.03, -9.97], [-40.5, -9.75], [-40.25, -9.85], [-40.0, -9.75], [-39.75, -9.85], [-39.5, -9.75], [-39.25, -9.85], [-39.0, -9.75], [-38.75, -9.85], [-38.5, -9.75], [-38.25, -9.85], [-38.0, -9.75], [-37.5, -9.96], [-37.0, -9.75], [-36.75, -9.85], [-36.5, -9.75], [-35.97, -9.97], [-35.75, -10.5], [-35.85, -10.75], [-35.75, -11.0], [-35.97, -11.53], [-36.32, -11.68], [-36.47, -12.03], [-36.82, -12.18], [-36.85, -12.25], [-36.75, -12.5], [-36.97, -13.03], [-37.5, -13.25], [-38.03, -13.03], [-38.2, -12.62], [-38.5, -12.75], [-39.03, -12.53], [-39.18, -12.18], [-39.25, -12.15], [-39.5, -12.25], [-40.03, -12.03], [-40.25, -11.5], [-40.15, -11.25], [-40.18, -11.18], [-40.25, -11.15], [-40.5, -11.25], [-41.03, -11.03], [-41.25, -10.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.5, -11.25], [-41.02999999999997, -11.03], [-41.25, -10.5], [-41.02999999999997, -9.97], [-40.5, -9.75], [-40.25, -9.85], [-40.0, -9.75], [-39.75, -9.85], [-39.5, -9.75], [-39.25, -9.85], [-39.0, -9.75], [-38.75, -9.85], [-38.5, -9.75], [-38.25, -9.85], [-38.0, -9.75], [-37.5, -9.96], [-37.0, -9.75], [-36.75, -9.85], [-36.5, -9.75], [-35.97000000000003, -9.97], [-35.75, -10.5], [-35.85000000000002, -10.75], [-35.75, -11.0], [-35.97000000000003, -11.53], [-36.31999999999999, -11.68], [-36.47000000000003, -12.03], [-36.81999999999999, -12.18], [-36.85000000000002, -12.25], [-36.75, -12.5], [-36.97000000000003, -13.03], [-37.5, -13.25], [-38.02999999999997, -13.03], [-38.19999999999999, -12.62], [-38.5, -12.75], [-39.02999999999997, -12.53], [-39.18000000000001, -12.18], [-39.25, -12.15], [-39.5, -12.25], [-40.02999999999997, -12.03], [-40.25, -11.5], [-40.14999999999998, -11.25], [-40.18000000000001, -11.18], [-40.25, -11.15], [-40.5, -11.25]]]]}, "2024-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.5, -11.25], [-41.02999999999997, -11.03], [-41.25, -10.5], [-41.02999999999997, -9.97], [-40.5, -9.75], [-40.25, -9.85], [-40.0, -9.75], [-39.75, -9.85], [-39.5, -9.75], [-39.25, -9.85], [-39.0, -9.75], [-38.75, -9.85], [-38.5, -9.75], [-38.25, -9.85], [-38.0, -9.75], [-37.5, -9.96], [-37.0, -9.75], [-36.75, -9.85], [-36.5, -9.75], [-35.97000000000003, -9.97], [-35.75, -10.5], [-35.85000000000002, -10.75], [-35.75, -11.0], [-35.97000000000003, -11.53], [-36.31999999999999, -11.68], [-36.47000000000003, -12.03], [-36.81999999999999, -12.18], [-36.85000000000002, -12.25], [-36.75, -12.5], [-36.97000000000003, -13.03], [-37.5, -13.25], [-38.02999999999997, -13.03], [-38.19999999999999, -12.62], [-38.5, -12.75], [-39.02999999999997, -12.53], [-39.18000000000001, -12.18], [-39.25, -12.15], [-39.5, -12.25], [-40.02999999999997, -12.03], [-40.25, -11.5], [-40.14999999999998, -11.25], [-40.18000000000001, -11.18], [-40.25, -11.15], [-40.5, -11.25]]]]}, "2024-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.5, -11.25], [-41.02999999999997, -11.03], [-41.25, -10.5], [-41.02999999999997, -9.97], [-40.5, -9.75], [-40.25, -9.85], [-40.0, -9.75], [-39.75, -9.85], [-39.5, -9.75], [-39.25, -9.85], [-39.0, -9.75], [-38.75, -9.85], [-38.5, -9.75], [-38.25, -9.85], [-38.0, -9.75], [-37.5, -9.96], [-37.0, -9.75], [-36.75, -9.85], [-36.5, -9.75], [-35.97000000000003, -9.97], [-35.75, -10.5], [-35.85000000000002, -10.75], [-35.75, -11.0], [-35.97000000000003, -11.53], [-36.31999999999999, -11.68], [-36.47000000000003, -12.03], [-36.81999999999999, -12.18], [-36.85000000000002, -12.25], [-36.75, -12.5], [-36.97000000000003, -13.03], [-37.5, -13.25], [-38.02999999999997, -13.03], [-38.19999999999999, -12.62], [-38.5, -12.75], [-39.02999999999997, -12.53], [-39.18000000000001, -12.18], [-39.25, -12.15], [-39.5, -12.25], [-40.02999999999997, -12.03], [-40.25, -11.5], [-40.14999999999998, -11.25], [-40.18000000000001, -11.18], [-40.25, -11.15], [-40.5, -11.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4885958203618657}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3286122775386289}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.751849663775943, 28.022011610390507, 27.71194632709887]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.043035125732445, 29.387578582763695, 29.081773376464866]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.248842889063731, 1.5238238567258073, 1.2131700868263484]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.168068166635237, 2.4885958203618657, 1.877935067252281]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4881767880116994, 1.7421307084498365, 1.345277590526471]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8700776100627632, 2.1300955076291292, 1.6240988573235609]}}