{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:53.322375", "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": "2016-Dec-08_to_2016-Dec-13_44.0_-23.0"}, "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": 2016120001546}, "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 08 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2016"}, "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": 53912.88139469469}, "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": ["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": -23.0}, "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": 44.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 42.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 45.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.25, -23.0], [43.47, -22.47], [44.0, -22.25], [44.25, -22.35], [44.5, -22.25], [45.03, -22.47], [45.18, -22.82], [45.53, -22.97], [45.75, -23.5], [45.54, -24.0], [45.75, -24.5], [45.65, -24.75], [45.75, -25.0], [45.53, -25.53], [45.0, -25.75], [44.75, -25.65], [44.5, -25.75], [43.97, -25.53], [43.75, -25.0], [43.85, -24.75], [43.75, -24.5], [43.96, -24.0], [43.82, -23.68], [43.47, -23.53], [43.25, -23.0]]]]}, "2016-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.85, -21.75], [42.75, -21.5], [42.97, -20.97], [43.5, -20.75], [44.03, -20.97], [44.18, -21.32], [44.53, -21.47], [44.75, -22.0], [44.63, -22.3], [45.03, -22.47], [45.18, -22.82], [45.53, -22.97], [45.75, -23.5], [45.65, -23.75], [45.68, -23.82], [46.03, -23.97], [46.25, -24.5], [46.03, -25.03], [45.68, -25.18], [45.53, -25.53], [45.0, -25.75], [44.75, -25.65], [44.5, -25.75], [43.97, -25.53], [43.75, -25.0], [43.85, -24.75], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5], [42.85, -22.25], [42.75, -22.0], [42.85, -21.75]]]]}, "2016-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, -21.0], [42.47, -20.47], [43.0, -20.25], [43.53, -20.47], [43.68, -20.82], [44.03, -20.97], [44.18, -21.32], [44.53, -21.47], [44.75, -22.0], [44.65, -22.25], [44.68, -22.32], [45.03, -22.47], [45.18, -22.82], [45.53, -22.97], [45.75, -23.5], [45.65, -23.75], [45.68, -23.82], [46.03, -23.97], [46.25, -24.5], [46.03, -25.03], [45.68, -25.18], [45.53, -25.53], [45.0, -25.75], [44.75, -25.65], [44.5, -25.75], [43.97, -25.53], [43.75, -25.0], [43.85, -24.75], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5], [42.85, -22.25], [42.75, -22.0], [42.85, -21.75], [42.82, -21.68], [42.47, -21.53], [42.25, -21.0]]]]}, "2016-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, -21.0], [42.47, -20.47], [43.0, -20.25], [43.53, -20.47], [43.68, -20.82], [44.03, -20.97], [44.18, -21.32], [44.53, -21.47], [44.75, -22.0], [44.65, -22.25], [44.68, -22.32], [45.03, -22.47], [45.25, -23.0], [45.15, -23.25], [45.18, -23.32], [45.53, -23.47], [45.68, -23.82], [46.03, -23.97], [46.25, -24.5], [46.03, -25.03], [45.5, -25.25], [45.25, -25.15], [45.0, -25.25], [44.75, -25.15], [44.5, -25.25], [43.97, -25.03], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5], [42.85, -22.25], [42.75, -22.0], [42.85, -21.75], [42.82, -21.68], [42.47, -21.53], [42.25, -21.0]]]]}, "2016-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, -21.0], [42.47, -20.47], [43.0, -20.25], [43.53, -20.47], [43.68, -20.82], [44.03, -20.97], [44.18, -21.32], [44.53, -21.47], [44.75, -22.0], [44.65, -22.25], [44.68, -22.32], [45.03, -22.47], [45.25, -23.0], [45.15, -23.25], [45.25, -23.5], [45.03, -24.03], [44.5, -24.25], [44.25, -24.15], [44.0, -24.25], [43.47, -24.03], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5], [42.85, -22.25], [42.75, -22.0], [42.85, -21.75], [42.82, -21.68], [42.47, -21.53], [42.25, -21.0]]]]}, "2016-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.75, -22.5], [42.97, -21.97], [43.5, -21.75], [44.03, -21.97], [44.18, -22.32], [44.53, -22.47], [44.75, -23.0], [44.65, -23.25], [44.75, -23.5], [44.53, -24.03], [44.0, -24.25], [43.47, -24.03], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9778840226504713}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.619721753691932}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.107375952740313, 29.534307037113763, 29.52900716923415, 29.11249141652229, 29.813921284148478, 28.60512582477611]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.136986188912033, 30.6869469634417, 30.817970200391755, 30.300546301670238, 31.807212480397766, 29.68261511784351]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6821249749535028, 2.7039488533219935, 2.786345651266943, 2.3501536199104365, 2.764081172505854, 1.8772402319038974]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.7402247332586285, 3.7205313417723005, 3.894101411289796, 3.1229493549554945, 3.9778840226504713, 2.0826366300767063]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5102845493328763, 1.6295093213362382, 1.7329376463686237, 1.5273432404121314, 1.9943595139003096, 1.3689105181426402]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9238597212717168, 1.8980049366962877, 2.024643224623711, 1.7281639500904988, 2.6356395695485175, 1.422970916596674]}}