{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:41.418382", "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-Jul-27_to_2023-Jul-31_317.0_-14.5"}, "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": 2023070002668}, "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": "July 27 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 31 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 95654.89475961897}, "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": -14.5}, "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": 317.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "317.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 318.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -13.97], [-46.0, -13.75], [-45.5, -13.96], [-45.0, -13.75], [-44.75, -13.85], [-44.68, -13.82], [-44.53, -13.47], [-44.18, -13.32], [-44.03, -12.97], [-43.5, -12.75], [-43.0, -12.96], [-42.5, -12.75], [-42.25, -12.85], [-42.0, -12.75], [-41.47, -12.97], [-41.25, -13.5], [-41.35, -13.75], [-41.25, -14.0], [-41.35, -14.25], [-41.25, -14.5], [-41.47, -15.03], [-41.82, -15.18], [-41.97, -15.53], [-42.5, -15.75], [-42.75, -15.65], [-42.82, -15.68], [-42.97, -16.03], [-43.5, -16.25], [-43.75, -16.15], [-43.82, -16.18], [-43.97, -16.53], [-44.5, -16.75], [-44.75, -16.65], [-45.0, -16.75], [-45.53, -16.53], [-45.68, -16.18], [-45.75, -16.15], [-46.0, -16.25], [-46.53, -16.03], [-46.75, -15.5], [-46.65, -15.25], [-46.75, -15.0], [-46.65, -14.75], [-46.75, -14.5], [-46.53, -13.97]]]]}}, "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": {"2023-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.75, -15.0], [-46.64999999999998, -14.75], [-46.75, -14.5], [-46.52999999999997, -13.97], [-46.0, -13.75], [-45.47000000000003, -13.97], [-45.31999999999999, -14.32], [-45.25, -14.35], [-45.18000000000001, -14.32], [-45.02999999999997, -13.97], [-44.68000000000001, -13.82], [-44.52999999999997, -13.47], [-44.18000000000001, -13.32], [-44.02999999999997, -12.97], [-43.5, -12.75], [-43.0, -12.96], [-42.5, -12.75], [-42.25, -12.85], [-42.0, -12.75], [-41.47000000000003, -12.97], [-41.25, -13.5], [-41.35000000000002, -13.75], [-41.25, -14.0], [-41.35000000000002, -14.25], [-41.25, -14.5], [-41.47000000000003, -15.03], [-41.81999999999999, -15.18], [-41.97000000000003, -15.53], [-42.5, -15.75], [-42.75, -15.65], [-42.81999999999999, -15.68], [-42.97000000000003, -16.03], [-43.5, -16.25], [-43.75, -16.15], [-43.81999999999999, -16.18], [-43.97000000000003, -16.53], [-44.5, -16.75], [-44.75, -16.65], [-45.0, -16.75], [-45.52999999999997, -16.53], [-45.68000000000001, -16.18], [-45.75, -16.15], [-46.0, -16.25], [-46.52999999999997, -16.03], [-46.75, -15.5], [-46.64999999999998, -15.25], [-46.75, -15.0]]]]}, "2023-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.75, -15.0], [-46.64999999999998, -14.75], [-46.75, -14.5], [-46.52999999999997, -13.97], [-46.0, -13.75], [-45.47000000000003, -13.97], [-45.31999999999999, -14.32], [-45.25, -14.35], [-45.18000000000001, -14.32], [-45.02999999999997, -13.97], [-44.68000000000001, -13.82], [-44.52999999999997, -13.47], [-44.18000000000001, -13.32], [-44.02999999999997, -12.97], [-43.5, -12.75], [-43.0, -12.96], [-42.5, -12.75], [-42.25, -12.85], [-42.0, -12.75], [-41.47000000000003, -12.97], [-41.25, -13.5], [-41.35000000000002, -13.75], [-41.25, -14.0], [-41.35000000000002, -14.25], [-41.25, -14.5], [-41.47000000000003, -15.03], [-41.81999999999999, -15.18], [-41.97000000000003, -15.53], [-42.5, -15.75], [-42.75, -15.65], [-42.81999999999999, -15.68], [-42.97000000000003, -16.03], 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"value": 3.093964047483837}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2475743301625246}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.42093104711074, 24.27242844865492, 24.382761856044283, 24.430995819170562, 23.24570625938736]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.92189096270903, 26.556384859842808, 26.709905739453973, 27.217622407940553, 23.24570625938736]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.271033781655969, 2.108940702425431, 2.2485507995018175, 2.401437876956941, 1.8097340096969106]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.093964047483837, 2.6549189512456906, 3.046520572969655, 2.9235664356169764, 1.8097340096969106]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.668946619557554, 1.5832137924200347, 1.7499287508331771, 1.950815039019306, 1.4577262831376578]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.5547883957002235, 2.2100779298228432, 2.556206145111966, 2.47816367087296, 1.4577262831376578]}}