{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:09.744842", "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": "2024-Feb-11_to_2024-Feb-13_18.0_26.5"}, "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": 2024020001265}, "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": "February 11 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 13 2024"}, "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": 91603.65113006358}, "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": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 26.5}, "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": 18.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.47, 26.03], [16.0, 26.25], [16.25, 26.15], [16.5, 26.25], [16.75, 26.15], [16.82, 26.18], [16.97, 26.53], [17.32, 26.68], [17.35, 26.75], [17.25, 27.0], [17.47, 27.53], [17.82, 27.68], [17.97, 28.03], [18.5, 28.25], [18.75, 28.15], [19.0, 28.25], [19.53, 28.03], [19.68, 27.68], [19.75, 27.65], [20.0, 27.75], [20.53, 27.53], [20.68, 27.18], [21.03, 27.03], [21.18, 26.68], [21.53, 26.53], [21.75, 26.0], [21.53, 25.47], [21.0, 25.25], [20.75, 25.35], [20.68, 25.32], [20.53, 24.97], [20.0, 24.75], [19.75, 24.85], [19.5, 24.75], [19.25, 24.85], [19.0, 24.75], [18.75, 24.85], [18.5, 24.75], [18.25, 24.85], [18.0, 24.75], [17.75, 24.85], [17.5, 24.75], [17.25, 24.85], [17.18, 24.82], [17.15, 24.75], [17.25, 24.5], [17.03, 23.97], [16.5, 23.75], [15.97, 23.97], [15.82, 24.32], [15.47, 24.47], [15.25, 25.0], [15.35, 25.25], [15.25, 25.5], [15.47, 26.03]]]]}, "2024-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.47, 26.03], [16.0, 26.25], [16.25, 26.15], [16.5, 26.25], [16.75, 26.15], [16.82, 26.18], [16.97, 26.53], [17.32, 26.68], [17.35, 26.75], [17.25, 27.0], [17.47, 27.53], [17.82, 27.68], [17.97, 28.03], [18.5, 28.25], [18.75, 28.15], [19.0, 28.25], [19.53, 28.03], [19.68, 27.68], [19.75, 27.65], [20.0, 27.75], [20.53, 27.53], [20.68, 27.18], [21.03, 27.03], [21.18, 26.68], [21.53, 26.53], [21.75, 26.0], [21.53, 25.47], [21.0, 25.25], [20.75, 25.35], [20.68, 25.32], [20.53, 24.97], [20.0, 24.75], [19.75, 24.85], [19.5, 24.75], [19.25, 24.85], [19.0, 24.75], [18.75, 24.85], [18.5, 24.75], [18.25, 24.85], [18.0, 24.75], [17.75, 24.85], [17.5, 24.75], [17.25, 24.85], [17.18, 24.82], [17.15, 24.75], [17.25, 24.5], [17.03, 23.97], [16.5, 23.75], [15.97, 23.97], [15.82, 24.32], [15.47, 24.47], [15.25, 25.0], [15.35, 25.25], [15.25, 25.5], [15.47, 26.03]]]]}, "2024-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.47, 26.03], [16.0, 26.25], [16.25, 26.15], [16.5, 26.25], [16.75, 26.15], [16.82, 26.18], [16.97, 26.53], [17.32, 26.68], [17.35, 26.75], [17.25, 27.0], [17.47, 27.53], [17.82, 27.68], [17.97, 28.03], [18.5, 28.25], [18.75, 28.15], [19.0, 28.25], [19.53, 28.03], [19.68, 27.68], [19.75, 27.65], [20.0, 27.75], [20.53, 27.53], [20.68, 27.18], [21.03, 27.03], [21.18, 26.68], [21.53, 26.53], [21.75, 26.0], [21.53, 25.47], [21.0, 25.25], [20.75, 25.35], [20.68, 25.32], [20.53, 24.97], [20.0, 24.75], [19.75, 24.85], [19.5, 24.75], [19.25, 24.85], [19.0, 24.75], [18.75, 24.85], [18.5, 24.75], [18.25, 24.85], [18.0, 24.75], [17.75, 24.85], [17.5, 24.75], [17.25, 24.85], [17.18, 24.82], [17.15, 24.75], [17.25, 24.5], [17.03, 23.97], [16.5, 23.75], [15.97, 23.97], [15.82, 24.32], [15.47, 24.47], [15.25, 25.0], [15.35, 25.25], [15.25, 25.5], [15.47, 26.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.461730967586448}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.543904833927387}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.42045373221856, 19.51989919124634, 18.748116830889728]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.03756173040091, 21.98597860225658, 19.66270371027474]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.825504040447765, 5.837597165984061, 4.9686132953503375]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.763534574689231, 7.461730967586448, 5.6379625412546375]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.892811825182327, 1.8915170593138686, 1.6023483520663937]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1489798579998363, 2.481701562682063, 1.8479447582437452]}}