{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:09.563136", "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": "2022-Jan-22_to_2022-Jan-27_23.5_4.5"}, "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": 2022010002414}, "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": "January 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 27 2022"}, "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": 92404.16624577194}, "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": ["Central African Republic", "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": 4.5}, "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": 23.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 5.25], [24.03, 5.03], [24.25, 4.5], [24.03, 3.97], [23.68, 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[26.25, 4.5], [26.03, 3.97], [25.5, 3.75], [25.0, 3.96], [24.68, 3.82], [24.65, 3.75], [24.75, 3.5], [24.53, 2.97], [24.0, 2.75], [23.47, 2.97], [23.3, 3.38], [23.0, 3.25], [22.47, 3.47], [22.25, 4.0], [22.47, 4.53], [22.82, 4.68], [22.85, 4.75], [22.75, 5.0]]]]}, "2022-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 4.75], [22.25, 5.0], [22.35, 5.25], [22.25, 5.5], [22.35, 5.75], [22.25, 6.0], [22.47, 6.53], [23.0, 6.75], [23.25, 6.65], [23.5, 6.75], [23.75, 6.65], [24.0, 6.75], [24.53, 6.53], [24.68, 6.18], [25.0, 6.04], [25.5, 6.25], [26.03, 6.03], [26.18, 5.68], [26.25, 5.65], [26.5, 5.75], [27.03, 5.53], [27.25, 5.0], [27.03, 4.47], [26.63, 4.3], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.75, 2.85], [24.5, 2.75], [24.25, 2.85], [24.0, 2.75], [23.47, 2.97], [23.32, 3.32], [23.25, 3.35], [23.0, 3.25], [22.47, 3.47], [22.25, 4.0], [22.35, 4.25], [22.25, 4.5], [22.35, 4.75]]]]}, 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t2m", "description": "The daily evolution of maximum t2m.", "value": [29.20676830809174, 29.732932400910727, 30.794205037321433, 30.571813465829962, 31.180781489289473, 30.66606900389968]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5402850823066103, 2.4606461274871094, 2.65676206232859, 2.8471750330908683, 2.9769469765484815, 2.6678938353890542]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6426303162531326, 2.805440994660728, 3.581488144686091, 3.9131706953763796, 3.503411492267162, 3.4073951723955247]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5178115338870541, 1.4583756591474277, 1.5898556114105826, 1.7511615449207811, 1.8099885011790409, 1.6023252986226815]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5471260778925953, 1.6173534428723728, 2.093553174282533, 2.3574921512346743, 2.097720416977592, 1.9898706138556097]}}