{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:48.546443", "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-Dec-17_to_2023-Dec-20_294.0_-4.0"}, "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": 2023120001648}, "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 17 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 20 2023"}, "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": 132542.15322613437}, "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": -4.0}, "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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -3.0], [-66.53, -2.47], [-66.0, -2.25], [-65.47, -2.47], [-65.32, -2.82], [-65.25, -2.85], [-65.0, -2.75], [-64.7, -2.88], [-64.65, -2.75], [-64.75, -2.5], [-64.53, -1.97], [-64.18, -1.82], [-64.03, -1.47], [-63.5, -1.25], [-62.97, -1.47], [-62.75, -2.0], [-62.85, -2.25], [-62.82, -2.32], [-62.47, -2.47], [-62.32, -2.82], [-61.97, -2.97], [-61.75, -3.5], [-61.97, -4.03], [-62.32, -4.18], [-62.47, -4.53], [-62.82, -4.68], [-62.85, -4.75], [-62.75, -5.0], [-62.97, -5.53], [-63.5, -5.75], [-63.75, -5.65], [-63.82, -5.68], [-63.97, -6.03], [-64.5, -6.25], [-64.75, -6.15], [-65.0, -6.25], [-65.53, -6.03], [-65.68, -5.68], [-65.75, -5.65], [-65.82, -5.68], [-65.97, -6.03], [-66.5, -6.25], [-66.75, -6.15], [-66.82, -6.18], [-66.97, -6.53], [-67.5, -6.75], [-68.03, -6.53], [-68.25, -6.0], [-68.15, -5.75], [-68.25, -5.5], [-68.03, -4.97], [-67.68, -4.82], [-67.53, -4.47], [-67.18, -4.32], [-67.15, -4.25], [-67.25, -4.0], [-67.03, -3.47], [-66.68, -3.32], [-66.65, -3.25], [-66.75, -3.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -4.0], [-66.64999999999998, -3.75], [-66.75, -3.5], [-66.52999999999997, -2.97], [-66.0, -2.75], [-65.75, -2.85], [-65.5, -2.75], [-65.25, -2.85], [-65.0, -2.75], [-64.47000000000003, -2.97], [-64.25, -3.5], [-64.47000000000003, -4.03], [-64.82, -4.18], [-64.97000000000003, -4.53], [-65.32, -4.68], [-65.47000000000003, -5.03], [-66.0, -5.25], [-66.52999999999997, -5.03], [-66.75, -4.5], [-66.64999999999998, -4.25], [-66.75, -4.0]]]]}, "2023-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -5.5], [-68.02999999999997, -4.97], [-67.68, -4.82], [-67.52999999999997, -4.47], [-67.18, -4.32], [-67.14999999999998, -4.25], [-67.25, -4.0], [-67.02999999999997, -3.47], [-66.68, -3.32], [-66.64999999999998, -3.25], [-66.75, -3.0], 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[-66.97000000000003, -6.53], [-67.5, -6.75], [-68.02999999999997, -6.53], [-68.25, -6.0], [-68.14999999999998, -5.75], [-68.25, -5.5]]]]}, "2023-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -5.5], [-68.02999999999997, -4.97], [-67.68, -4.82], [-67.52999999999997, -4.47], [-67.18, -4.32], [-67.14999999999998, -4.25], [-67.25, -4.0], [-67.02999999999997, -3.47], [-66.68, -3.32], [-66.64999999999998, -3.25], [-66.75, -3.0], [-66.52999999999997, -2.47], [-66.0, -2.25], [-65.47000000000003, -2.47], [-65.32, -2.82], [-65.25, -2.85], [-65.0, -2.75], [-64.69999999999999, -2.88], [-64.64999999999998, -2.75], [-64.75, -2.5], [-64.52999999999997, -1.97], [-64.18, -1.82], [-64.02999999999997, -1.47], [-63.5, -1.25], [-62.97000000000003, -1.47], [-62.75, -2.0], [-62.85000000000002, -2.25], [-62.81999999999999, -2.32], [-62.47000000000003, -2.47], [-62.31999999999999, -2.82], [-61.97000000000003, -2.97], [-61.75, -3.5], [-61.97000000000003, -4.03], 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anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2011625572336015, 1.843916983344343, 2.4482684629122105, 2.7268858465313883]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5135800488065387, 1.800833816158886, 2.5928444138040776, 1.972248308292648]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.680470117119032, 2.568499574377234, 3.2959581224270758, 3.836239980259834]}}