{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:15.832343", "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": "2011-Dec-25_to_2011-Dec-29_27.5_3.0"}, "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": 2011120002703}, "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 25 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 29 2011"}, "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": 58621.05877709479}, "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": ["Congo DRC", "South Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "N.Eastern-Africa"]}, "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": []}, "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": 3.0}, "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": 27.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "27.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-12-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 2.47], [25.75, 3.0], [25.97, 3.53], [26.5, 3.75], [26.75, 3.65], [27.0, 3.75], [27.25, 3.65], [27.5, 3.75], [27.75, 3.65], [28.0, 3.75], [28.25, 3.65], [28.5, 3.75], [28.75, 3.65], [29.0, 3.75], [29.53, 3.53], [29.75, 3.0], [29.53, 2.47], [29.18, 2.32], [29.03, 1.97], [28.5, 1.75], [27.97, 1.97], [27.82, 2.32], [27.75, 2.35], [27.5, 2.25], [27.25, 2.35], [27.0, 2.25], [26.75, 2.35], [26.5, 2.25], [25.97, 2.47]]]]}, "2011-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 2.47], [25.75, 3.0], [25.97, 3.53], [26.5, 3.75], [26.75, 3.65], [27.0, 3.75], [27.25, 3.65], [27.32, 3.68], [27.35, 3.75], [27.25, 4.0], [27.35, 4.25], [27.25, 4.5], [27.47, 5.03], [28.0, 5.25], [28.25, 5.15], [28.5, 5.25], [28.75, 5.15], [29.0, 5.25], [29.25, 5.15], [29.5, 5.25], [30.03, 5.03], [30.25, 4.5], [30.03, 3.97], [29.68, 3.82], [29.54, 3.5], [29.75, 3.0], [29.65, 2.75], [29.75, 2.5], [29.53, 1.97], [29.0, 1.75], [28.75, 1.85], [28.5, 1.75], [28.25, 1.85], [28.0, 1.75], [27.75, 1.85], [27.5, 1.75], [26.97, 1.97], [26.82, 2.32], [26.75, 2.35], [26.5, 2.25], [25.97, 2.47]]]]}, "2011-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 2.47], [25.75, 3.0], [25.97, 3.53], [26.5, 3.75], [26.75, 3.65], [27.0, 3.75], [27.25, 3.65], [27.32, 3.68], [27.35, 3.75], [27.25, 4.0], [27.35, 4.25], [27.25, 4.5], [27.47, 5.03], [28.0, 5.25], [28.25, 5.15], [28.5, 5.25], [28.75, 5.15], [29.0, 5.25], [29.25, 5.15], [29.5, 5.25], [30.03, 5.03], [30.25, 4.5], [30.03, 3.97], [29.68, 3.82], [29.54, 3.5], [29.75, 3.0], [29.65, 2.75], [29.75, 2.5], [29.53, 1.97], [29.0, 1.75], [28.75, 1.85], [28.5, 1.75], [28.25, 1.85], [28.0, 1.75], [27.75, 1.85], [27.5, 1.75], [26.97, 1.97], [26.82, 2.32], [26.75, 2.35], [26.5, 2.25], [25.97, 2.47]]]]}, "2011-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 2.47], [25.75, 3.0], [25.97, 3.53], [26.5, 3.75], [26.75, 3.65], [27.0, 3.75], [27.25, 3.65], [27.32, 3.68], [27.35, 3.75], [27.25, 4.0], [27.35, 4.25], [27.25, 4.5], [27.47, 5.03], [28.0, 5.25], 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[26.75, 2.35], [26.5, 2.25], [25.97, 2.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9141203278197167}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.173185219495503}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.153985898552094, 27.19638385671044, 27.478641601971333, 27.628803803673406, 26.752774775347973]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.57998060255619, 29.15926818476663, 28.96979839950575, 29.07008552027571, 29.006859522337038]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8879323134934631, 2.115942091567885, 2.3346959622703802, 2.39991729868549, 1.782983051796102]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2167100719411224, 2.49454788397054, 2.9141203278197167, 2.8505789409299496, 1.9834232021697176]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5548262679955773, 1.665946705190332, 1.8537961827173357, 1.9444509314980127, 1.4914068180650837]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8123595512735764, 1.9649580550419723, 2.4087883634531275, 2.3983731228520226, 1.654970484207415]}}