{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:49.417829", "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": "2016-Feb-16_to_2016-Feb-18_20.0_-9.5"}, "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": 2016020001610}, "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 16 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 18 2016"}, "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": 76328.69511342375}, "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 DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "W.Southern-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": -9.5}, "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": 18.25}, "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": -10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.35, -7.25], [18.25, -7.0], [18.47, -6.47], [19.0, -6.25], [19.25, -6.35], [19.5, -6.25], [20.03, -6.47], [20.18, -6.82], [20.53, -6.97], [20.68, -7.32], [21.03, -7.47], [21.25, -8.0], [21.15, -8.25], [21.25, -8.5], [21.15, -8.75], [21.25, -9.0], [21.15, -9.25], [21.18, -9.32], [21.53, -9.47], [21.75, -10.0], [21.53, -10.53], [21.18, -10.68], [21.03, -11.03], [20.5, -11.25], [20.25, -11.15], [20.0, -11.25], [19.47, -11.03], [19.32, -10.68], [19.25, -10.65], [19.0, -10.75], [18.75, -10.65], [18.5, -10.75], [17.97, -10.53], [17.75, -10.0], [17.97, -9.47], [18.38, -9.3], [18.25, -9.0], [18.46, -8.5], [18.25, -8.0], [18.35, -7.75], [18.25, -7.5], [18.35, -7.25]]]]}, "2016-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.35, -7.25], [18.25, -7.0], [18.47, -6.47], [19.0, -6.25], [19.25, -6.35], [19.5, -6.25], [20.03, -6.47], [20.18, -6.82], [20.53, -6.97], [20.68, -7.32], [21.03, -7.47], [21.25, -8.0], [21.15, -8.25], [21.25, -8.5], [21.15, -8.75], [21.25, -9.0], [21.15, -9.25], [21.18, -9.32], [21.53, -9.47], [21.75, -10.0], [21.53, -10.53], [21.18, -10.68], [21.03, -11.03], [20.5, -11.25], [20.25, -11.15], [20.0, -11.25], [19.47, -11.03], [19.32, -10.68], [19.25, -10.65], [19.0, -10.75], [18.75, -10.65], [18.5, -10.75], [17.97, -10.53], [17.75, -10.0], [17.97, -9.47], [18.38, -9.3], [18.25, -9.0], [18.46, -8.5], [18.25, -8.0], [18.35, -7.75], [18.25, -7.5], [18.35, -7.25]]]]}, "2016-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.35, -7.25], [18.25, -7.0], [18.47, -6.47], [19.0, -6.25], [19.25, -6.35], [19.5, -6.25], [20.03, -6.47], [20.18, -6.82], [20.53, -6.97], [20.68, -7.32], [21.03, -7.47], [21.25, -8.0], [21.15, -8.25], [21.25, -8.5], [21.15, -8.75], [21.25, -9.0], [21.15, -9.25], [21.18, -9.32], [21.53, -9.47], [21.75, -10.0], [21.53, -10.53], [21.18, -10.68], [21.03, -11.03], [20.5, -11.25], [20.25, -11.15], [20.0, -11.25], [19.47, -11.03], [19.32, -10.68], [19.25, -10.65], [19.0, -10.75], [18.75, -10.65], [18.5, -10.75], [17.97, -10.53], [17.75, -10.0], [17.97, -9.47], [18.38, -9.3], [18.25, -9.0], [18.46, -8.5], [18.25, -8.0], [18.35, -7.75], [18.25, -7.5], [18.35, -7.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2846990772727054}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6826762207776005}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.929279609836044, 24.354828681684467, 24.216601410687474]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.18591828407301, 25.739935402297363, 25.68253603259666]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4736035423890008, 1.872757678504736, 1.701667441439065]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8679571053194763, 2.226229744379623, 2.2846990772727054]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5533887499177745, 1.9285767818048163, 1.7522964979820694]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9405199700534705, 2.330058996099558, 2.572228833937311]}}