{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:24.413560", "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": "2010-Dec-03_to_2010-Dec-06_30.0_-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": 2010120001777}, "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 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 06 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 55596.09727497937}, "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": ["Burundi", "Congo DRC", "Rwanda", "Tanzania", "Uganda"]}, "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": -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": 30.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.0\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": 31.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -1.97], [29.0, -1.75], [29.53, -1.97], [29.68, -2.32], [29.75, -2.35], [29.82, -2.32], [29.85, -2.25], [29.75, -2.0], [29.85, -1.75], [29.8, -1.63], [29.5, -1.75], [28.97, -1.53], [28.75, -1.0], [28.97, -0.47], [29.32, -0.32], [29.47, 0.03], [30.0, 0.25], [30.53, 0.03], [30.75, -0.5], [30.63, -0.8], [30.75, -0.85], [31.0, -0.75], [31.53, -0.97], [31.75, -1.5], [31.53, -2.03], [31.18, -2.18], [31.15, -2.25], [31.25, -2.5], [31.04, -3.0], [31.25, -3.5], [31.03, -4.03], [30.5, -4.25], [30.25, -4.15], [30.0, -4.25], [29.47, -4.03], [29.32, -3.68], [29.25, -3.65], [29.0, -3.75], [28.47, -3.53], [28.25, -3.0], [28.35, -2.75], [28.25, -2.5], [28.47, -1.97]]]]}, "2010-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -1.97], [29.0, -1.75], [29.43, -1.93], [29.32, -1.68], [28.97, -1.53], [28.75, -1.0], [28.85, -0.75], [28.75, -0.5], [28.97, 0.03], [29.5, 0.25], [29.75, 0.15], [30.0, 0.25], [30.53, 0.03], [30.75, -0.5], [30.65, -0.75], [30.68, -0.82], [30.75, -0.85], [31.0, -0.75], [31.25, -0.85], [31.5, -0.75], [32.03, -0.97], [32.25, -1.5], [32.03, -2.03], [31.63, -2.2], [31.75, -2.5], [31.53, -3.03], [31.13, -3.2], [31.25, -3.5], [31.03, -4.03], [30.5, -4.25], [30.25, -4.15], [30.0, -4.25], [29.47, -4.03], [29.32, -3.68], [29.25, -3.65], [29.0, -3.75], [28.47, -3.53], [28.25, -3.0], [28.35, -2.75], [28.25, -2.5], [28.47, -1.97]]]]}, "2010-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -1.97], [29.0, -1.75], [29.43, -1.93], [29.32, -1.68], [28.97, -1.53], [28.75, -1.0], [28.85, -0.75], [28.75, -0.5], [28.97, 0.03], [29.5, 0.25], [29.75, 0.15], [30.0, 0.25], [30.53, 0.03], [30.75, -0.5], [30.65, -0.75], [30.68, -0.82], [30.75, -0.85], [31.0, -0.75], [31.25, -0.85], [31.5, -0.75], [32.03, -0.97], [32.25, -1.5], [32.03, -2.03], [31.63, -2.2], [31.75, -2.5], [31.53, -3.03], [31.13, -3.2], [31.25, -3.5], [31.03, -4.03], [30.5, -4.25], [30.25, -4.15], [30.0, -4.25], [29.47, -4.03], [29.32, -3.68], [29.25, -3.65], [29.0, -3.75], [28.47, -3.53], [28.25, -3.0], [28.35, -2.75], [28.25, -2.5], [28.47, -1.97]]]]}, "2010-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 0.03], [29.5, 0.25], [29.75, 0.15], [30.0, 0.25], [30.53, 0.03], [30.75, -0.5], [30.65, -0.75], [30.68, -0.82], [30.75, -0.85], [31.0, -0.75], [31.25, -0.85], [31.5, -0.75], [32.03, -0.97], [32.25, -1.5], [32.03, -2.03], [31.63, -2.2], [31.75, -2.5], [31.53, -3.03], [31.0, -3.25], [30.7, -3.12], [30.65, -3.25], [30.75, -3.5], [30.53, -4.03], [30.0, -4.25], [29.47, -4.03], [29.25, -3.5], [29.35, -3.25], [29.25, -3.0], [29.35, -2.75], [29.25, -2.5], [29.46, -2.0], [29.32, -1.68], [28.97, -1.53], [28.75, -1.0], [28.85, -0.75], [28.75, -0.5], [28.97, 0.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.695282031691363}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7444379008790103}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.36263125247814, 21.750736425625178, 22.44707981746484, 21.534382057038385]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.331196774608884, 24.7793650951848, 25.407364142674396, 25.20586963711952]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3039814258366011, 1.6627330036686014, 2.3843338154718605, 1.3781332383886225]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9976293057761154, 3.695282031691363, 3.294081767177488, 1.809929807136598]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5098145209344735, 1.9828779715517209, 2.8394734910365185, 1.7012837371126504]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8804105259611712, 3.4772690469325296, 3.9536593513938825, 2.214826470678562]}}