{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:04.580401", "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": "2026-Mar-12_to_2026-Mar-15_17.5_11.5"}, "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": 2026030001579}, "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": "March 12 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2026"}, "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": 63662.996417908085}, "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": ["Chad"]}, "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": 11.5}, "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": 17.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.75, 12.5], [16.97, 13.03], [17.5, 13.25], [17.75, 13.15], [18.0, 13.25], [18.53, 13.03], [18.68, 12.68], [18.75, 12.65], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.53, 11.47], [19.0, 11.25], [18.75, 11.35], [18.68, 11.32], [18.53, 10.97], [18.0, 10.75], [17.75, 10.85], [17.5, 10.75], [17.25, 10.85], [17.0, 10.75], [16.47, 10.97], [16.25, 11.5], [16.47, 12.03], [16.82, 12.18], [16.85, 12.25], [16.75, 12.5]]]]}, "2026-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, 11.5], [16.47, 12.03], [16.82, 12.18], [16.85, 12.25], [16.75, 12.5], [16.97, 13.03], [17.5, 13.25], [17.75, 13.15], [18.0, 13.25], [18.53, 13.03], [18.68, 12.68], [18.75, 12.65], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.54, 11.0], [19.75, 10.5], [19.53, 9.97], [19.0, 9.75], [18.75, 9.85], [18.68, 9.82], [18.53, 9.47], [18.0, 9.25], [17.47, 9.47], [17.32, 9.82], [17.25, 9.85], [17.0, 9.75], [16.75, 9.85], [16.5, 9.75], [15.97, 9.97], [15.75, 10.5], [15.97, 11.03], [16.32, 11.18], [16.35, 11.25], [16.25, 11.5]]]]}, "2026-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, 11.5], [16.47, 12.03], [16.82, 12.18], [16.85, 12.25], [16.75, 12.5], [16.97, 13.03], [17.5, 13.25], [17.75, 13.15], [18.0, 13.25], [18.53, 13.03], [18.68, 12.68], [18.75, 12.65], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.54, 11.0], [19.75, 10.5], [19.53, 9.97], [19.0, 9.75], [18.75, 9.85], [18.68, 9.82], [18.53, 9.47], [18.0, 9.25], [17.47, 9.47], [17.32, 9.82], [17.25, 9.85], [17.0, 9.75], [16.75, 9.85], [16.5, 9.75], [15.97, 9.97], [15.75, 10.5], [15.97, 11.03], [16.32, 11.18], [16.35, 11.25], [16.25, 11.5]]]]}, "2026-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.82, 11.68], [16.97, 12.03], [17.32, 12.18], [17.35, 12.25], [17.25, 12.5], [17.47, 13.03], [18.0, 13.25], [18.53, 13.03], [18.7, 12.63], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.54, 11.0], [19.75, 10.5], [19.53, 9.97], [19.0, 9.75], [18.75, 9.85], [18.68, 9.82], [18.53, 9.47], [18.0, 9.25], [17.47, 9.47], [17.32, 9.82], [17.25, 9.85], [17.0, 9.75], [16.75, 9.85], [16.5, 9.75], [15.97, 9.97], [15.75, 10.5], [15.97, 11.03], [16.32, 11.18], [16.47, 11.53], [16.82, 11.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.922388719130197}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7949798414334754}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.552510833740314, 34.745454891144334, 35.09547492133248, 34.261757600073736]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.29067001342776, 35.92616933186849, 35.975005086263025, 34.96281458536788]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3775681238330932, 2.983009888901666, 3.248901519316546, 2.1984096948703327]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.990602316893046, 3.437414799636713, 3.922388719130197, 2.7864651732418793]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2671828421510472, 1.7340825593925324, 1.908187927327711, 1.3534053847296637]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.493245729719658, 2.0964264908051, 2.386726797572178, 1.9204203900673227]}}