{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:20.463569", "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": "2015-Jun-26_to_2015-Jul-02_14.5_-13.5"}, "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": 2015060002741}, "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": "June 26 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 63240.904730251794}, "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": -13.5}, "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": 14.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.47, -13.03], [15.25, -12.5], [15.47, -11.97], [16.0, 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"coordinates": [[[[13.97, -12.97], [14.38, -12.8], [14.25, -12.5], [14.35, -12.25], [14.25, -12.0], [14.47, -11.47], [15.0, -11.25], [15.25, -11.35], [15.5, -11.25], [15.75, -11.35], [16.0, -11.25], [16.25, -11.35], [16.5, -11.25], [17.0, -11.46], [17.5, -11.25], [18.03, -11.47], [18.25, -12.0], [18.03, -12.53], [17.68, -12.68], [17.65, -12.75], [17.68, -12.82], [18.03, -12.97], [18.25, -13.5], [18.03, -14.03], [17.5, -14.25], [17.25, -14.15], [17.0, -14.25], [16.75, -14.15], [16.63, -14.2], [16.75, -14.5], [16.65, -14.75], [16.75, -15.0], [16.53, -15.53], [16.0, -15.75], [15.47, -15.53], [15.25, -15.0], [15.35, -14.75], [15.32, -14.68], [15.0, -14.54], [14.5, -14.75], [13.97, -14.53], [13.75, -14.0], [13.85, -13.75], [13.75, -13.5], [13.97, -12.97]]]]}, "2015-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, -13.25], [13.75, -13.0], [13.97, -12.47], [14.32, -12.32], [14.35, -12.25], [14.25, -12.0], [14.35, -11.75], [14.25, -11.5], [14.47, -10.97], [15.0, 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21.460363475766997]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0836193811082127, 1.7793294655815493, 2.0269939903564413, 2.103731282077365, 1.6907752941807188, 1.2814103465991593, 1.5800990351659532]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4409352894818994, 2.3210970114184306, 3.0289486318702075, 2.77138830578275, 2.3360857168651137, 1.3488603328748923, 1.7685132925939229]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5639084410813435, 1.3592132917126099, 1.5642316768027194, 1.6512824981853313, 1.4241312846165095, 1.2608725549597615, 1.6545350709285742]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7196779141246568, 1.6794094929124541, 2.0499194478984903, 1.973921311264815, 1.966827156976876, 1.4253418493079528, 1.7932288891628814]}}