{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:44.062037", "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-Sep-12_to_2021-Sep-17_290.0_-16.5"}, "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": 2021090001903}, "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": "September 12 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 17 2021"}, "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": 86174.2520405038}, "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": ["Bolivia, Plurinational State of", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -16.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.0}, "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": [[[[-70.53, -17.03], [-70.75, -16.5], [-70.54, -16.0], [-70.75, -15.5], [-70.65, -15.25], [-70.75, -15.0], [-70.65, 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"IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon", "S.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.75, -15.0], [-70.52999999999997, -14.47], [-70.0, -14.25], [-69.75, -14.35], [-69.68, -14.32], [-69.64999999999998, -14.25], [-69.68, -14.18], [-70.02999999999997, -14.03], [-70.25, -13.5], [-70.02999999999997, -12.97], [-69.5, -12.75], [-68.97000000000003, -12.97], [-68.82, -13.32], [-68.75, -13.35], [-68.5, -13.25], [-67.97000000000003, -13.47], [-67.82, -13.82], [-67.47000000000003, -13.97], [-67.32, -14.32], [-66.97000000000003, -14.47], [-66.75, -15.0], [-66.85000000000002, -15.25], [-66.75, -15.5], [-66.97000000000003, -16.03], [-67.32, -16.18], [-67.47000000000003, -16.53], [-67.82, -16.68], [-67.85000000000002, 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"mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4319527592738455}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.033226113096646, 14.319125239760467, 14.06753303015347, 8.162980270370895, 7.1949726035757635, 6.644312056178421]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.98826428979305, 28.029860134983494, 27.243269216767715, 11.783966847374302, 7.1949726035757635, 6.644312056178421]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2230942629819856, 2.7225383579402287, 2.404434933122896, 1.9020657947840316, 2.6484126387636593, 2.0242262664779673]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.503808599374622, 4.376872150984127, 3.4877266536922207, 2.1588384941690606, 2.6484126387636593, 2.0242262664779673]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4854752203341721, 1.8521852464861248, 1.6876824984429493, 1.462590248133198, 1.7407301202753578, 1.356279658173268]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8826952848145906, 2.7361137330664973, 2.5474551823884743, 1.4943515319316356, 1.7407301202753578, 1.356279658173268]}}