{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:35.702469", "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": "2022-Aug-16_to_2022-Aug-20_27.5_43.0"}, "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": 2022080002369}, "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": "August 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 20 2022"}, "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": 61254.037885569225}, "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": ["Bulgaria"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": ["Black 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": 43.0}, "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": 27.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "27.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[24.0, 44.25], [24.25, 44.15], [24.5, 44.25], [24.75, 44.15], [25.0, 44.25], [25.25, 44.15], [25.5, 44.25], [25.75, 44.15], 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"MultiPolygon", "coordinates": [[[[26.75, 43.0], [26.85, 43.25], [26.75, 43.5], [26.97, 44.03], [27.5, 44.25], [28.03, 44.03], [28.25, 43.5], [28.15, 43.25], [28.18, 43.18], [28.53, 43.03], [28.68, 42.68], [29.03, 42.53], [29.25, 42.0], [29.03, 41.47], [28.5, 41.25], [28.25, 41.35], [28.0, 41.25], [27.47, 41.47], [27.32, 41.82], [26.97, 41.97], [26.75, 42.5], [26.85, 42.75], [26.75, 43.0]]]]}, "2022-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, 42.97], [23.25, 43.5], [23.47, 44.03], [24.0, 44.25], [24.25, 44.15], [24.5, 44.25], [24.75, 44.15], [25.0, 44.25], [25.25, 44.15], [25.5, 44.25], [25.75, 44.15], [26.0, 44.25], [26.25, 44.15], [26.5, 44.25], [26.75, 44.15], [27.0, 44.25], [27.25, 44.15], [27.5, 44.25], [27.75, 44.15], [28.0, 44.25], [28.53, 44.03], [28.75, 43.5], [28.54, 43.0], [28.68, 42.68], [29.03, 42.53], [29.25, 42.0], [29.03, 41.47], [28.5, 41.25], [28.25, 41.35], [28.0, 41.25], [27.47, 41.47], [27.32, 41.82], [27.0, 41.96], [26.5, 41.75], [25.97, 41.97], [25.82, 42.32], [25.75, 42.35], [25.5, 42.25], [25.25, 42.35], [25.0, 42.25], [24.75, 42.35], [24.5, 42.25], [23.97, 42.47], [23.82, 42.82], [23.47, 42.97]]]]}, "2022-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, 42.97], [23.25, 43.5], [23.47, 44.03], [24.0, 44.25], [24.25, 44.15], [24.5, 44.25], [24.75, 44.15], [25.0, 44.25], [25.25, 44.15], [25.5, 44.25], [25.75, 44.15], [26.0, 44.25], [26.25, 44.15], [26.5, 44.25], [26.75, 44.15], [27.0, 44.25], [27.25, 44.15], [27.5, 44.25], [27.75, 44.15], [28.0, 44.25], [28.53, 44.03], [28.75, 43.5], [28.54, 43.0], [28.68, 42.68], [29.03, 42.53], [29.25, 42.0], [29.03, 41.47], [28.5, 41.25], [28.25, 41.35], [28.0, 41.25], [27.47, 41.47], [27.32, 41.82], [27.0, 41.96], [26.68, 41.82], [26.65, 41.75], [26.75, 41.5], [26.53, 40.97], [26.0, 40.75], [25.75, 40.85], [25.5, 40.75], [25.25, 40.85], [25.0, 40.75], [24.47, 40.97], [24.25, 41.5], [24.47, 42.03], [24.82, 42.18], [24.88, 42.3], [24.75, 42.35], 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"Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.76360901485981, 26.481947850518168, 26.772284985267333, 26.875365288722946, 26.736807308776292]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.163384911448418, 28.478893360342113, 29.625335929064704, 29.800896165140102, 28.91040589494679]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.088403539173233, 3.3521114002549988, 3.5476511068482783, 3.8557102306265727, 3.803794602449226]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6254976432999797, 4.317292431586736, 5.211623326231916, 5.461682780031822, 4.755382000957468]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of 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