{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:28.009754", "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": "2025-Oct-11_to_2025-Oct-14_3.5_37.5"}, "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": 2025100001577}, "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 11 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2025"}, "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": 121964.17301036007}, "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": ["Algeria"]}, "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": ["Mediterranean Sea"]}, "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": 37.5}, "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": 3.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "3.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 1.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 8.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[5.75, 36.35], [5.5, 36.25], [5.25, 36.35], [5.0, 36.25], [4.75, 36.35], [4.5, 36.25], [4.25, 36.35], [4.18, 36.32], [4.03, 35.97], [3.5, 35.75], [3.25, 35.85], [3.0, 35.75], [2.47, 35.97], [2.25, 36.5], [2.38, 36.8], [2.0, 36.96], [1.5, 36.75], [0.97, 36.97], [0.75, 37.5], [0.97, 38.03], [1.32, 38.18], [1.35, 38.25], [1.25, 38.5], [1.47, 39.03], [2.0, 39.25], [2.25, 39.15], [2.32, 39.18], [2.47, 39.53], [3.0, 39.75], [3.25, 39.65], [3.5, 39.75], [4.0, 39.54], [4.5, 39.75], [4.75, 39.65], [5.0, 39.75], [5.25, 39.65], [5.5, 39.75], [5.75, 39.65], [6.0, 39.75], [6.53, 39.53], [6.68, 39.18], [7.03, 39.03], [7.18, 38.68], [7.25, 38.65], [7.5, 38.75], [8.03, 38.53], [8.18, 38.18], [8.53, 38.03], [8.75, 37.5], [8.53, 36.97], [8.0, 36.75], [7.75, 36.85], [7.68, 36.82], [7.53, 36.47], [7.0, 36.25], [6.5, 36.46], [6.0, 36.25], [5.75, 36.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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