{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:38.598341", "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": "2020-Apr-13_to_2020-Apr-16_17.0_-15.0"}, "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": 2020040001712}, "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": "April 13 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 16 2020"}, "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": 65820.70645010192}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -15.0}, "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": 17.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.0\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": 21.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "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": {"2020-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.75, -15.0], [15.97, -14.47], [16.38, -14.3], [16.25, -14.0], 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-15.54], [18.5, -15.75], [18.2, -15.62], [18.03, -16.03], [17.5, -16.25], [17.25, -16.15], [17.0, -16.25], [16.47, -16.03], [16.32, -15.68], [15.97, -15.53], [15.75, -15.0], [15.85, -14.75], [15.75, -14.5], [15.97, -13.97]]]]}, "2020-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, -13.97], [16.32, -13.82], [16.47, -13.47], [17.0, -13.25], [17.5, -13.46], [17.82, -13.32], [17.85, -13.25], [17.75, -13.0], [17.97, -12.47], [18.5, -12.25], [19.03, -12.47], [19.25, -13.0], [19.15, -13.25], [19.25, -13.5], [19.13, -13.8], [19.25, -13.85], [19.32, -13.82], [19.47, -13.47], [20.0, -13.25], [20.53, -13.47], [20.68, -13.82], [20.75, -13.85], [21.0, -13.75], [21.53, -13.97], [21.68, -14.32], [22.03, -14.47], [22.25, -15.0], [22.03, -15.53], [21.5, -15.75], [20.97, -15.53], [20.82, -15.18], [20.75, -15.15], [20.5, -15.25], [20.2, -15.12], [20.03, -15.53], [19.5, -15.75], [19.0, -15.54], [18.5, -15.75], [18.2, -15.62], [18.03, -16.03], [17.5, -16.25], [17.25, -16.15], [17.0, -16.25], [16.47, -16.03], [16.32, -15.68], [15.97, -15.53], [15.75, -15.0], [15.85, -14.75], [15.75, -14.5], [15.97, -13.97]]]]}, "2020-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, -13.97], [16.32, -13.82], [16.47, -13.47], [17.0, -13.25], [17.5, -13.46], [17.82, -13.32], [17.85, -13.25], [17.75, -13.0], [17.97, -12.47], [18.5, -12.25], [19.03, -12.47], [19.25, -13.0], [19.15, -13.25], [19.25, -13.5], [19.13, -13.8], [19.25, -13.85], [19.32, -13.82], [19.47, -13.47], [20.0, -13.25], [20.53, -13.47], [20.68, -13.82], [20.75, -13.85], [21.0, -13.75], [21.53, -13.97], [21.68, -14.32], [22.03, -14.47], [22.25, -15.0], [22.03, -15.53], [21.5, -15.75], [20.97, -15.53], [20.82, -15.18], [20.75, -15.15], [20.5, -15.25], [20.2, -15.12], [20.03, -15.53], [19.5, -15.75], [19.0, -15.54], [18.5, -15.75], [18.2, -15.62], [18.03, -16.03], [17.5, -16.25], [17.25, -16.15], [17.0, -16.25], [16.47, -16.03], [16.32, -15.68], [15.97, -15.53], [15.75, -15.0], [15.85, 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"description": "The daily evolution of maximum t2m anomalies.", "value": [1.963372079476926, 2.2720996046367645, 1.9999768852568423, 2.3382506327451438]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5143070701072727, 1.6052748936590633, 1.6566391908048301, 1.9838592306779501]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.806037769726127, 1.984901541668774, 2.3020752717634863, 2.5273668029695853]}}