{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:53.005488", "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": "2012-Nov-11_to_2012-Nov-17_46.5_-16.0"}, "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": 2012110001806}, "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": "November 11 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 17 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 122657.50886318926}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "Madagascar"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["Mozambique Channel"]}, "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": -16.0}, "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": 46.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.85, -13.25], [43.75, -13.0], [43.97, -12.47], [44.32, -12.32], [44.47, -11.97], [45.0, -11.75], [45.25, -11.85], [45.5, -11.75], [46.03, -11.97], [46.18, -12.32], [46.53, -12.47], [46.75, -13.0], [46.53, -13.53], [46.18, -13.68], [46.15, -13.75], [46.2, -13.87], [46.5, -13.75], [46.75, -13.85], [47.0, -13.75], [47.25, -13.85], [47.5, -13.75], [48.03, -13.97], [48.25, -14.5], [48.03, -15.03], [47.68, -15.18], [47.53, -15.53], [47.0, -15.75], [46.75, -15.65], [46.68, -15.68], [46.53, -16.03], [46.0, -16.25], [45.47, -16.03], [45.32, -15.68], [44.97, -15.53], [44.82, -15.18], [44.47, -15.03], [44.32, -14.68], [43.97, -14.53], [43.75, -14.0], [43.85, -13.75], [43.75, -13.5], [43.85, -13.25]]]]}, "2012-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.85, -13.25], [43.75, -13.0], [43.97, -12.47], [44.32, -12.32], [44.47, -11.97], [45.0, -11.75], [45.25, -11.85], [45.5, -11.75], [46.0, -11.96], [46.5, -11.75], [47.0, -11.96], [47.5, -11.75], [48.03, -11.97], [48.18, -12.32], [48.53, -12.47], [48.75, -13.0], [48.53, -13.53], [48.18, -13.68], [48.15, -13.75], [48.25, -14.0], [48.15, -14.25], [48.25, -14.5], [48.03, -15.03], [47.68, -15.18], [47.53, -15.53], [47.18, -15.68], [47.15, -15.75], [47.25, -16.0], [47.03, -16.53], [46.5, -16.75], [46.25, -16.65], [46.0, -16.75], [45.75, -16.65], [45.5, -16.75], [44.97, -16.53], [44.82, -16.18], [44.75, -16.15], [44.5, -16.25], [44.25, -16.15], [44.0, -16.25], [43.47, -16.03], [43.25, -15.5], [43.47, -14.97], [44.0, -14.75], [44.25, -14.85], [44.38, -14.8], [44.32, -14.68], [43.97, -14.53], [43.75, -14.0], [43.85, -13.75], [43.75, -13.5], [43.85, -13.25]], [[46.85, -13.75], [46.75, -13.5], [46.85, -13.25], [46.8, -13.12], [46.68, -13.18], [46.53, -13.53], [46.18, -13.68], [46.15, -13.75], [46.2, -13.87], [46.5, -13.75], [46.75, -13.85], [46.82, -13.82], [46.85, -13.75]]]]}, "2012-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.85, -13.25], [43.75, -13.0], [43.97, -12.47], [44.32, -12.32], [44.47, -11.97], [45.0, -11.75], [45.25, -11.85], [45.5, -11.75], [46.0, -11.96], [46.5, -11.75], [47.0, -11.96], [47.5, -11.75], [48.03, -11.97], [48.18, -12.32], [48.53, -12.47], [48.75, -13.0], [48.53, -13.53], [48.18, -13.68], [48.15, -13.75], [48.25, -14.0], [48.15, -14.25], [48.25, -14.5], [48.03, -15.03], [47.68, -15.18], [47.53, -15.53], [47.18, -15.68], [47.15, -15.75], [47.25, -16.0], [47.13, -16.3], [47.53, -16.47], [47.75, -17.0], [47.53, -17.53], [47.0, -17.75], [46.47, -17.53], [46.25, -17.0], [46.38, -16.7], [46.25, -16.65], [46.0, -16.75], [45.75, -16.65], [45.5, -16.75], [44.97, -16.53], [44.82, -16.18], [44.75, -16.15], [44.5, -16.25], [44.25, -16.15], [44.0, -16.25], [43.47, -16.03], [43.25, -15.5], [43.47, -14.97], [44.0, -14.75], [44.25, -14.85], [44.38, -14.8], [44.32, -14.68], [43.97, -14.53], [43.75, -14.0], [43.85, -13.75], [43.75, -13.5], [43.85, -13.25]], [[46.85, -13.75], [46.75, -13.5], [46.85, -13.25], [46.8, -13.12], [46.68, -13.18], [46.53, -13.53], [46.18, -13.68], [46.15, -13.75], [46.2, -13.87], [46.5, -13.75], [46.75, -13.85], [46.82, -13.82], [46.85, -13.75]]]]}, "2012-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, -16.03], [43.25, -15.5], [43.47, -14.97], [44.0, -14.75], [44.25, -14.85], [44.5, -14.75], [44.75, -14.85], [44.82, -14.82], [44.97, -14.47], [45.5, -14.25], [45.75, -14.35], [46.0, -14.25], [46.25, -14.35], [46.32, -14.32], [46.47, -13.97], [46.82, -13.82], [46.85, -13.75], [46.75, -13.5], [46.85, -13.25], [46.8, -13.12], [46.5, -13.25], [45.97, -13.03], [45.75, -12.5], [45.97, -11.97], [46.5, -11.75], [47.0, -11.96], [47.5, -11.75], [48.03, -11.97], [48.18, -12.32], [48.53, -12.47], [48.75, -13.0], [48.53, -13.53], [48.18, -13.68], [48.15, -13.75], [48.25, -14.0], [48.15, -14.25], [48.25, -14.5], [48.03, -15.03], [47.68, -15.18], [47.53, -15.53], [47.18, -15.68], [47.15, -15.75], [47.18, -15.82], [47.25, -15.85], [47.5, -15.75], [48.03, -15.97], [48.25, -16.5], [48.03, -17.03], [47.68, -17.18], [47.53, -17.53], [47.0, -17.75], [46.75, -17.65], [46.5, -17.75], [45.97, -17.53], [45.75, -17.0], [45.85, -16.75], [45.82, -16.68], [45.75, -16.65], [45.5, -16.75], [44.97, -16.53], [44.82, -16.18], [44.75, -16.15], [44.5, -16.25], [44.25, -16.15], [44.0, -16.25], [43.47, -16.03]]]]}, "2012-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, -16.03], [43.25, -15.5], [43.47, -14.97], [44.0, -14.75], [44.25, -14.85], [44.5, -14.75], [44.8, -14.87], [44.97, -14.47], [45.5, -14.25], [46.03, -14.47], [46.25, -15.0], [46.13, -15.3], [46.25, -15.35], [46.5, -15.25], [47.03, -15.47], [47.18, -15.82], [47.25, -15.85], [47.5, -15.75], [48.03, -15.97], [48.25, -16.5], [48.03, -17.03], [47.68, -17.18], [47.53, -17.53], [47.0, -17.75], [46.75, -17.65], [46.5, -17.75], [45.97, -17.53], [45.75, -17.0], [45.85, -16.75], [45.82, -16.68], [45.47, -16.53], [45.25, -16.0], [45.38, -15.7], [45.2, -15.62], [45.03, -16.03], [44.5, -16.25], [44.25, -16.15], [44.0, -16.25], [43.47, -16.03]]]]}, "2012-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.47, -15.47], [46.0, -15.25], [46.25, -15.35], [46.5, -15.25], [47.03, -15.47], [47.18, -15.82], [47.25, -15.85], [47.5, -15.75], [48.03, -15.97], [48.25, -16.5], [48.03, -17.03], [47.68, -17.18], [47.53, -17.53], [47.0, -17.75], [46.75, -17.65], [46.5, -17.75], [45.97, -17.53], [45.75, -17.0], [45.85, -16.75], [45.82, -16.68], [45.47, -16.53], [45.25, -16.0], [45.47, -15.47]]], [[[43.47, -16.03], [43.25, -15.5], [43.47, -14.97], [44.0, -14.75], [44.53, -14.97], [44.75, -15.5], [44.53, -16.03], [44.0, -16.25], [43.47, -16.03]]]]}, "2012-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.85, -16.25], [45.75, -16.0], [45.97, -15.47], [46.5, -15.25], [47.03, -15.47], [47.18, -15.82], [47.25, -15.85], [47.5, -15.75], [48.03, -15.97], [48.25, -16.5], [48.03, -17.03], [47.68, -17.18], [47.53, -17.53], [47.0, -17.75], [46.75, -17.65], [46.5, -17.75], [45.97, -17.53], [45.75, -17.0], [45.85, -16.75], [45.75, -16.5], [45.85, -16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7574953705379244}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2080951581059511}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.35851434415912, 28.00263963890052, 27.865089268284862, 28.36356560012507, 29.51580209789148, 30.242414585314407, 30.35653909588831]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.05211773669521, 31.017283250653406, 30.450790553740774, 31.494826885846237, 31.343036230374196, 31.55032165444146, 31.02489246242311]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8551955403202155, 1.2844865099197023, 1.0944091345127869, 1.134220204475755, 1.4361564570192455, 1.8658137199527474, 1.749024073377664]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2733650840800692, 2.7574953705379244, 1.7231492805580615, 2.140098107705114, 2.091072989103509, 2.4121267892767833, 1.9488155150944522]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5655236730873159, 2.226835018132065, 1.8890435980842168, 1.6054970650570448, 1.5870883148314463, 1.8235716888926243, 1.5185930461866457]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0500240691811036, 4.438057033622457, 2.6504299984720627, 2.0548882889127644, 1.8881776069340628, 2.0922266382795134, 1.6883052280317266]}}