{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:35.137401", "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-Oct-10_to_2014-Oct-15_13.5_-17.0"}, "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": 2014100001881}, "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": "October 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 68152.40487521475}, "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", "Namibia"]}, "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": -17.0}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "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": {"2014-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -13.47], [14.0, -13.25], [14.53, -13.47], [14.75, -14.0], [14.65, -14.25], [14.75, -14.5], [14.53, -15.03], [14.0, -15.25], [13.47, -15.03], [13.25, -14.5], [13.35, -14.25], [13.25, -14.0], [13.47, -13.47]]]]}, "2014-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.75, -15.5], [12.85, -15.25], [12.75, -15.0], [12.85, -14.75], [12.75, -14.5], [12.97, -13.97], [13.32, -13.82], [13.47, -13.47], [14.0, -13.25], [14.53, -13.47], [14.75, -14.0], [14.65, -14.25], [14.75, -14.5], [14.54, -15.0], [14.75, -15.5], [14.53, -16.03], [14.18, -16.18], [14.03, -16.53], [13.68, -16.68], [13.53, -17.03], [13.0, -17.25], [12.47, -17.03], [12.25, -16.5], [12.47, -15.97], [12.82, -15.82], [12.85, -15.75], [12.75, -15.5]]]]}, "2014-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, -16.47], [12.32, -16.32], [12.47, -15.97], [12.82, -15.82], [12.85, -15.75], [12.75, -15.5], [12.85, -15.25], [12.75, -15.0], [12.85, -14.75], [12.75, -14.5], [12.97, -13.97], [13.32, -13.82], [13.47, -13.47], [14.0, -13.25], [14.53, -13.47], [14.75, -14.0], [14.65, -14.25], [14.75, -14.5], [14.54, -15.0], [14.75, -15.5], [14.65, -15.75], [14.75, -16.0], [14.65, -16.25], [14.75, -16.5], [14.53, -17.03], [14.18, -17.18], [14.15, -17.25], [14.25, -17.5], [14.15, -17.75], [14.25, -18.0], [14.15, -18.25], [14.25, -18.5], [14.03, -19.03], [13.5, -19.25], [12.97, -19.03], [12.82, -18.68], [12.47, -18.53], [12.32, -18.18], [11.97, -18.03], [11.75, -17.5], [11.85, -17.25], [11.75, -17.0], [11.97, -16.47]]]]}, "2014-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, -16.47], [12.32, -16.32], [12.47, -15.97], [12.82, -15.82], [12.85, -15.75], [12.75, -15.5], [12.85, -15.25], [12.75, -15.0], [12.85, -14.75], [12.75, -14.5], [12.97, -13.97], [13.32, -13.82], [13.47, -13.47], [14.0, -13.25], [14.53, -13.47], [14.75, -14.0], [14.65, -14.25], [14.75, -14.5], [14.54, -15.0], [14.75, -15.5], [14.65, -15.75], [14.68, -15.82], [15.03, -15.97], [15.25, -16.5], [15.03, -17.03], [14.68, -17.18], 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standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6718491033305765, 1.9081945092778094, 2.400689416699785, 2.7356143151380987, 2.2518490916399405, 1.3712000599340493]}}