{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-08-27 23:16:38.599449", "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-Aug-01_to_2026-Aug-03_20.0_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": 2026080000618}, "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": "August 01 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 64509.48061479711}, "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"]}, "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": 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": 20.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 22.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 7.0], [17.47, 7.53], [18.0, 7.75], [18.53, 7.53], [18.68, 7.18], [18.75, 7.15], [19.0, 7.25], [19.25, 7.15], [19.5, 7.25], [20.03, 7.03], [20.18, 6.68], [20.25, 6.65], [20.32, 6.68], [20.47, 7.03], [20.82, 7.18], [20.97, 7.53], [21.32, 7.68], [21.47, 8.03], [21.82, 8.18], [21.97, 8.53], [22.5, 8.75], [23.03, 8.53], [23.25, 8.0], [23.03, 7.47], [22.68, 7.32], [22.65, 7.25], [22.75, 7.0], [22.65, 6.75], [22.68, 6.68], [23.03, 6.53], [23.25, 6.0], [23.03, 5.47], [22.5, 5.25], [22.25, 5.35], [22.0, 5.25], [21.75, 5.35], [21.5, 5.25], [21.25, 5.35], [21.18, 5.32], [21.03, 4.97], [20.5, 4.75], [20.25, 4.85], [20.0, 4.75], [19.75, 4.85], [19.5, 4.75], [18.97, 4.97], [18.82, 5.32], [18.47, 5.47], [18.32, 5.82], [17.97, 5.97], [17.82, 6.32], [17.47, 6.47], [17.25, 7.0]]]]}, "2026-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 7.0], [17.47, 7.53], [18.0, 7.75], [18.53, 7.53], [18.68, 7.18], [18.75, 7.15], [19.0, 7.25], [19.25, 7.15], [19.5, 7.25], [20.03, 7.03], [20.18, 6.68], [20.25, 6.65], [20.32, 6.68], [20.47, 7.03], [20.82, 7.18], [20.97, 7.53], [21.32, 7.68], [21.47, 8.03], [21.82, 8.18], [21.97, 8.53], [22.5, 8.75], [23.03, 8.53], [23.25, 8.0], [23.03, 7.47], [22.68, 7.32], [22.65, 7.25], [22.75, 7.0], [22.65, 6.75], [22.68, 6.68], [23.03, 6.53], [23.25, 6.0], [23.03, 5.47], [22.5, 5.25], [22.25, 5.35], [22.0, 5.25], [21.75, 5.35], [21.5, 5.25], [21.25, 5.35], [21.18, 5.32], [21.03, 4.97], [20.5, 4.75], [20.25, 4.85], [20.0, 4.75], [19.75, 4.85], [19.5, 4.75], [18.97, 4.97], [18.82, 5.32], [18.47, 5.47], [18.32, 5.82], [17.97, 5.97], [17.82, 6.32], [17.47, 6.47], [17.25, 7.0]]]]}, "2026-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 7.0], [17.47, 7.53], [18.0, 7.75], [18.53, 7.53], [18.68, 7.18], [18.75, 7.15], [19.0, 7.25], [19.25, 7.15], [19.5, 7.25], [20.03, 7.03], [20.18, 6.68], [20.25, 6.65], [20.32, 6.68], [20.47, 7.03], [20.82, 7.18], [20.97, 7.53], [21.32, 7.68], [21.47, 8.03], [21.82, 8.18], [21.97, 8.53], [22.5, 8.75], [23.03, 8.53], [23.25, 8.0], [23.03, 7.47], [22.68, 7.32], [22.65, 7.25], [22.75, 7.0], [22.65, 6.75], [22.68, 6.68], [23.03, 6.53], [23.25, 6.0], [23.03, 5.47], [22.5, 5.25], [22.25, 5.35], [22.0, 5.25], [21.75, 5.35], [21.5, 5.25], [21.25, 5.35], [21.18, 5.32], [21.03, 4.97], [20.5, 4.75], [20.25, 4.85], [20.0, 4.75], [19.75, 4.85], [19.5, 4.75], [18.97, 4.97], [18.82, 5.32], [18.47, 5.47], [18.32, 5.82], [17.97, 5.97], [17.82, 6.32], [17.47, 6.47], [17.25, 7.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3744184231659347}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.528148315497573}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.645894804454997, 25.578191012427908, 25.666405583941696]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.938689168294275, 27.160082753499353, 26.36770146687826]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5337090676859855, 1.4877940723905703, 1.5629418064161633]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1435222422657603, 2.3744184231659347, 2.328256986411077]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6946573227572548, 1.6195619509153178, 1.7105130923996343]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2133713633940673, 2.4486232629764806, 2.713690938874502]}}