{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:21.759311", "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": "2026-Mar-03_to_2026-Mar-08_307.0_-24.5"}, "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": 2026030001221}, "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": "March 03 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 73458.35257979344}, "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", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -24.5}, "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": 307.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 304.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.65, -24.25], [-54.75, -24.0], [-54.53, -23.47], [-54.0, -23.25], [-53.47, -23.47], [-53.3, -23.88], [-53.0, -23.75], [-52.47, -23.97], [-52.25, -24.5], [-52.47, -25.03], [-53.0, -25.25], [-53.3, -25.12], [-53.47, -25.53], [-54.0, -25.75], [-54.53, -25.53], [-54.75, -25.0], [-54.65, -24.75], [-54.75, -24.5], [-54.65, -24.25]]]]}, "2026-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -22.5], [-56.03, -21.97], [-55.5, -21.75], [-54.97, -21.97], [-54.82, -22.32], [-54.5, -22.46], [-54.0, -22.25], [-53.47, -22.47], [-53.32, -22.82], [-53.25, -22.85], [-53.0, -22.75], [-52.75, -22.85], [-52.5, -22.75], [-52.25, -22.85], [-52.0, -22.75], [-51.47, -22.97], [-51.32, -23.32], [-50.97, -23.47], [-50.75, -24.0], [-50.97, -24.53], [-51.32, -24.68], [-51.46, -25.0], [-51.25, -25.5], [-51.47, -26.03], [-52.0, -26.25], [-52.53, -26.03], [-52.68, -25.68], [-53.03, -25.53], [-53.18, -25.18], [-53.25, -25.15], [-53.32, -25.18], [-53.47, -25.53], [-54.0, -25.75], [-54.53, -25.53], [-54.75, -25.0], [-54.65, -24.75], [-54.68, 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-23.03], [-56.25, -22.5]]]]}, "2026-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -22.5], [-56.03, -21.97], [-55.5, -21.75], [-54.97, -21.97], [-54.82, -22.32], [-54.5, -22.46], [-54.0, -22.25], [-53.75, -22.35], [-53.5, -22.25], [-52.97, -22.47], [-52.82, -22.82], [-52.75, -22.85], [-52.5, -22.75], [-52.25, -22.85], [-52.0, -22.75], [-51.47, -22.97], [-51.32, -23.32], [-50.97, -23.47], [-50.75, -24.0], [-50.97, -24.53], [-51.32, -24.68], [-51.46, -25.0], [-51.25, -25.5], [-51.47, -26.03], [-52.0, -26.25], [-52.53, -26.03], [-52.68, -25.68], [-53.03, -25.53], [-53.18, -25.18], [-53.25, -25.15], [-53.5, -25.25], [-53.75, -25.15], [-54.0, -25.25], [-54.53, -25.03], [-54.68, -24.68], [-55.03, -24.53], [-55.18, -24.18], [-55.53, -24.03], [-55.75, -23.5], [-55.65, -23.25], [-55.68, -23.18], [-56.03, -23.03], [-56.25, -22.5]]]]}, "2026-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -22.5], [-56.03, -21.97], [-55.5, -21.75], 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t2m.", "value": [28.51650517781576, 29.31849060058596, 30.3243181864421, 29.203342692057333, 29.785156504313193, 29.512586212158226]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.29367984713609, 2.4839357875402994, 2.841245445582888, 2.53910543682764, 2.6166935475582065, 2.467956769599564]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.490375610934848, 3.392431660756074, 4.020895664140198, 3.7119573963438484, 3.4584685766608345, 3.1832098199693064]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.516318684578334, 1.6551263433380217, 1.8305489255652243, 1.6406116023935935, 1.7499235899845, 1.6121166189995721]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5827894174471384, 2.4011903076409435, 2.581820730197532, 2.511396140794872, 2.3532568328496075, 2.056666824927646]}}