{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:00.924674", "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-Oct-28_to_2010-Oct-31_15.5_-6.0"}, "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": 2010100002637}, "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": "October 28 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 31 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": 101610.08058792434}, "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": ["Angola", "Congo", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -6.0}, "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": 15.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -4.47], [13.5, -4.25], [14.0, -4.46], [14.5, -4.25], [14.75, -4.35], [15.0, -4.25], [15.53, -4.47], [15.7, -4.87], [16.0, -4.75], [16.53, -4.97], [16.75, -5.5], [16.53, -6.03], [16.18, -6.18], [16.07, -6.43], [16.5, -6.25], [17.03, -6.47], [17.25, -7.0], [17.03, -7.53], [16.5, -7.75], [15.97, -7.53], [15.75, -7.0], [15.93, -6.57], [15.5, -6.75], [15.2, -6.62], [15.03, -7.03], [14.5, -7.25], [14.0, -7.04], [13.5, -7.25], [12.97, -7.03], [12.75, -6.5], [12.96, -6.0], [12.75, -5.5], [12.85, -5.25], [12.75, -5.0], [12.97, -4.47]]]]}, "2010-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -4.47], [13.5, -4.25], [14.0, -4.46], [14.38, -4.3], [14.25, -4.0], [14.47, -3.47], [14.82, -3.32], [14.85, -3.25], [14.82, -3.18], [14.47, -3.03], [14.25, -2.5], [14.35, -2.25], [14.25, -2.0], [14.47, -1.47], [15.0, -1.25], [15.25, -1.35], [15.5, -1.25], [15.75, -1.35], [16.0, -1.25], [16.53, -1.47], [16.75, -2.0], [16.63, -2.3], [16.75, -2.35], [17.0, -2.25], [17.53, -2.47], [17.75, -3.0], [17.53, -3.53], [17.0, -3.75], [16.75, -3.65], [16.68, -3.68], [16.53, -4.03], [16.18, -4.18], [16.15, -4.25], [16.25, -4.5], [16.13, -4.8], [16.53, -4.97], [16.75, -5.5], [16.65, -5.75], [16.68, -5.82], [17.03, -5.97], [17.25, -6.5], [17.15, -6.75], [17.25, -7.0], [17.03, -7.53], [16.5, -7.75], [16.25, -7.65], [16.0, -7.75], [15.47, -7.53], [15.32, -7.18], [15.0, -7.04], [14.5, -7.25], [14.0, -7.04], [13.5, -7.25], [12.97, -7.03], [12.75, -6.5], [12.96, -6.0], [12.75, -5.5], [12.85, -5.25], [12.75, -5.0], [12.97, -4.47]]]]}, "2010-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -4.47], [13.5, -4.25], [14.0, -4.46], [14.38, -4.3], [14.25, -4.0], [14.47, -3.47], [14.82, -3.32], [14.85, -3.25], [14.82, -3.18], [14.47, -3.03], [14.25, -2.5], [14.35, -2.25], [14.25, -2.0], [14.47, -1.47], [15.0, -1.25], [15.25, -1.35], [15.5, -1.25], [15.75, -1.35], [16.0, -1.25], [16.53, -1.47], [16.75, -2.0], [16.63, -2.3], [16.75, -2.35], [17.0, -2.25], [17.53, -2.47], [17.75, -3.0], [17.53, -3.53], [17.0, 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"description": "The daily evolution of maximum t2m.", "value": [26.937811685977522, 27.6114752239597, 27.67957326952404, 27.284169936874775]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2576672853589668, 1.6599645483731251, 1.6605108114263099, 1.3676163049023398]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5755945869561288, 2.6679447743654805, 2.7270387761641928, 1.8825442482053063]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.452301945043643, 1.8970490821154502, 1.894009408811213, 1.5427758377883112]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8672775828496133, 2.9613890189678798, 3.0533156165618838, 1.9952505882974654]}}