{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:26.124763", "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": "2014-May-02_to_2014-May-05_46.5_-14.5"}, "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": 2014050001399}, "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": "May 02 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 05 2014"}, "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": 80618.07709250641}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "Madagascar"]}, "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": ["Mozambique Channel"]}, "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": -14.5}, "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": 46.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, -14.47], [43.5, -14.25], [43.75, -14.35], [44.0, -14.25], [44.53, -14.47], [44.75, -15.0], [44.57, -15.43], [45.0, -15.25], [45.25, -15.35], [45.32, -15.32], [45.35, -15.25], [45.25, -15.0], [45.35, -14.75], [45.25, -14.5], [45.35, -14.25], [45.25, -14.0], [45.47, -13.47], [46.0, -13.25], [46.25, -13.35], [46.5, -13.25], [46.75, -13.35], [47.0, -13.25], [47.53, -13.47], [47.68, -13.82], [47.75, -13.85], [48.0, -13.75], [48.53, -13.97], [48.75, -14.5], [48.53, -15.03], [48.0, -15.25], [47.75, -15.15], [47.68, -15.18], [47.53, -15.53], [47.0, -15.75], [46.75, -15.65], [46.68, -15.68], [46.53, -16.03], [46.18, -16.18], [46.03, -16.53], [45.5, -16.75], [45.25, -16.65], [45.0, -16.75], [44.47, -16.53], [44.25, -16.0], [44.43, -15.57], [44.18, -15.68], [44.03, -16.03], [43.5, -16.25], [42.97, -16.03], [42.75, -15.5], [42.85, -15.25], [42.75, -15.0], [42.97, -14.47]]]]}, "2014-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, -14.47], [43.5, -14.25], [43.75, -14.35], [44.0, -14.25], [44.25, -14.35], [44.32, -14.32], [44.47, -13.97], [45.0, -13.75], [45.25, -13.85], [45.32, -13.82], [45.47, -13.47], [46.0, -13.25], [46.25, -13.35], [46.5, -13.25], [46.75, -13.35], [47.0, -13.25], [47.53, -13.47], [47.68, -13.82], [47.75, -13.85], [48.0, -13.75], [48.53, -13.97], [48.75, -14.5], [48.53, -15.03], [48.0, -15.25], [47.75, -15.15], [47.68, -15.18], [47.53, -15.53], [47.0, -15.75], [46.75, -15.65], [46.68, -15.68], [46.53, -16.03], [46.18, -16.18], [46.03, -16.53], [45.5, -16.75], [45.25, -16.65], [45.0, -16.75], [44.75, -16.65], [44.5, -16.75], [43.97, -16.53], [43.82, -16.18], [43.75, -16.15], [43.5, -16.25], [42.97, -16.03], [42.75, -15.5], [42.85, -15.25], [42.75, -15.0], [42.97, -14.47]]]]}, "2014-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, -14.47], [43.5, -14.25], [43.75, -14.35], [44.0, -14.25], [44.25, -14.35], [44.32, -14.32], [44.47, -13.97], [45.0, -13.75], [45.25, -13.85], [45.32, -13.82], [45.47, -13.47], [46.0, -13.25], [46.25, -13.35], [46.5, 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t2m.", "value": [28.9225834785438, 28.90435555208711, 28.8692411483064, 28.725232638419982]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0057388131743157, 0.911104778786879, 0.9012379241704319, 0.9034153320778404]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4980480646305523, 1.1984004907862413, 1.2450706328380647, 1.26114555847181]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9631716073249454, 1.7449895426653048, 1.6877696204021522, 1.641589015529571]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4708287292293756, 2.178031561183806, 2.179419183802955, 2.1693377262179614]}}