{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:22.400784", "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": "2026-Mar-07_to_2026-Mar-11_14.0_24.0"}, "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": 2026030001444}, "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": "March 07 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 11 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 69886.29981448117}, "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": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 24.0}, "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": 14.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, 24.75], [13.25, 25.0], [13.35, 25.25], [13.25, 25.5], [13.47, 26.03], [13.82, 26.18], [13.85, 26.25], [13.82, 26.32], [13.47, 26.47], [13.25, 27.0], [13.47, 27.53], [13.82, 27.68], [13.97, 28.03], [14.5, 28.25], [14.75, 28.15], [15.0, 28.25], [15.53, 28.03], [15.75, 27.5], [15.53, 26.97], [15.18, 26.82], [15.15, 26.75], [15.18, 26.68], [15.53, 26.53], [15.75, 26.0], [15.65, 25.75], [15.75, 25.5], [15.65, 25.25], [15.75, 25.0], [15.54, 24.5], [15.75, 24.0], [15.53, 23.47], [15.0, 23.25], [14.5, 23.46], [14.0, 23.25], [13.47, 23.47], [13.25, 24.0], [13.35, 24.25], [13.25, 24.5], [13.35, 24.75]]]]}, "2026-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, 24.75], [13.25, 25.0], [13.35, 25.25], [13.25, 25.5], [13.47, 26.03], [13.82, 26.18], [13.85, 26.25], [13.82, 26.32], [13.47, 26.47], [13.25, 27.0], [13.47, 27.53], [13.82, 27.68], [13.97, 28.03], [14.5, 28.25], [14.75, 28.15], [15.0, 28.25], [15.53, 28.03], [15.75, 27.5], [15.53, 26.97], [15.18, 26.82], [15.15, 26.75], [15.18, 26.68], [15.53, 26.53], [15.75, 26.0], [15.65, 25.75], [15.7, 25.63], [16.0, 25.75], [16.53, 25.53], [16.68, 25.18], [16.75, 25.15], [17.0, 25.25], [17.53, 25.03], [17.75, 24.5], [17.65, 24.25], [17.75, 24.0], [17.53, 23.47], [17.0, 23.25], [16.75, 23.35], [16.5, 23.25], [16.0, 23.46], [15.5, 23.25], [15.25, 23.35], [15.0, 23.25], [14.5, 23.46], [14.0, 23.25], [13.47, 23.47], [13.25, 24.0], [13.35, 24.25], [13.25, 24.5], [13.35, 24.75]]]]}, "2026-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, 24.75], [13.25, 25.0], [13.35, 25.25], [13.25, 25.5], [13.47, 26.03], [13.82, 26.18], [13.85, 26.25], [13.82, 26.32], [13.47, 26.47], [13.25, 27.0], [13.47, 27.53], [13.82, 27.68], [13.97, 28.03], [14.5, 28.25], [14.75, 28.15], [15.0, 28.25], [15.53, 28.03], [15.75, 27.5], [15.53, 26.97], [15.18, 26.82], [15.15, 26.75], [15.18, 26.68], [15.53, 26.53], [15.75, 26.0], [15.65, 25.75], [15.7, 25.63], [16.0, 25.75], [16.53, 25.53], [16.68, 25.18], [16.75, 25.15], [17.0, 25.25], [17.53, 25.03], [17.75, 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