{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:03.975698", "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-Jul-25_to_2011-Jul-30_29.5_-5.5"}, "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": 2011070003071}, "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 25 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 2011"}, "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": 76881.16036474852}, "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", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -5.5}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -4.97], [28.88, -4.8], [28.75, -4.5], [28.97, -3.97], 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[29.32, -7.68], [29.25, -7.65], [29.0, -7.75], [28.47, -7.53], [28.25, -7.0], [28.35, -6.75], [28.25, -6.5], [28.35, -6.25]]]]}, "2011-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -6.75], [28.25, -6.5], [28.35, -6.25], [28.25, -6.0], [28.35, -5.75], [28.25, -5.5], [28.46, -5.0], [28.25, -4.5], [28.35, -4.25], [28.25, -4.0], [28.35, -3.75], [28.25, -3.5], [28.35, -3.25], [28.25, -3.0], [28.47, -2.47], [29.0, -2.25], [29.53, -2.47], [29.75, -3.0], [29.65, -3.25], [29.75, -3.5], [29.65, -3.75], [29.68, -3.82], [30.03, -3.97], [30.2, -4.37], [30.5, -4.25], [30.75, -4.35], [31.0, -4.25], [31.53, -4.47], [31.75, -5.0], [31.65, -5.25], [31.75, -5.5], [31.65, -5.75], [31.75, -6.0], [31.53, -6.53], [31.18, -6.68], [31.03, -7.03], [30.63, -7.2], [30.75, -7.5], [30.53, -8.03], [30.0, -8.25], [29.75, -8.15], [29.5, -8.25], [29.25, -8.15], [29.0, -8.25], [28.47, -8.03], [28.25, -7.5], [28.35, -7.25], [28.25, -7.0], [28.35, -6.75]]]]}, 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daily evolution of mean t2m.", "value": [23.728921854403097, 23.0019162210005, 22.824771872725137, 22.946324738832402, 22.861293029560102, 25.410013576367874]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.650681213459904, 26.603769042596866, 27.02132425107635, 26.64335666958584, 25.545742583187405, 25.410013576367874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0155198934631244, 1.484249180568802, 1.2996164246477953, 1.384034576384338, 1.2764909521075025, 0.8027742567959422]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.08152512272477, 2.097498321987871, 1.7177653308802405, 2.0171151586860105, 1.6512943860009273, 0.8027742567959422]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3857751927571933, 1.918815281703389, 1.7067529616523371, 1.8102760410566383, 1.6208722454149291, 1.266304230944543]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5427678714603317, 2.5042175043829125, 2.340024185721242, 2.3991530093858437, 2.040932370018031, 1.266304230944543]}}