{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:04.333346", "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": "2019-Jan-29_to_2019-Jan-31_30.5_44.5"}, "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": 2019010002801}, "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": "January 29 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 31 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 142030.97944876977}, "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": ["Moldova", "Romania", "Ukraine"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "West&Central-Europe"]}, "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": 44.5}, "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": 30.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, 43.53], [28.32, 43.68], [28.35, 43.75], [28.25, 44.0], 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43.65], [33.0, 43.75], [32.75, 43.85]], [[29.85, 42.25], [29.82, 42.32], [29.75, 42.35], [29.63, 42.3], [29.75, 42.0], [29.85, 42.25]]]]}, "2019-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, 43.53], [28.32, 43.68], [28.35, 43.75], [28.25, 44.0], [28.47, 44.53], [28.82, 44.68], [28.85, 44.75], [28.82, 44.82], [28.47, 44.97], [28.25, 45.5], [28.47, 46.03], [28.82, 46.18], [28.85, 46.25], [28.75, 46.5], [28.97, 47.03], [29.5, 47.25], [30.03, 47.03], [30.18, 46.68], [30.25, 46.65], [30.5, 46.75], [30.75, 46.65], [31.0, 46.75], [31.25, 46.65], [31.5, 46.75], [32.03, 46.53], [32.18, 46.18], [32.25, 46.15], [32.5, 46.25], [33.03, 46.03], [33.18, 45.68], [33.53, 45.53], [33.75, 45.0], [33.65, 44.75], [33.75, 44.5], [33.53, 43.97], [33.0, 43.75], [33.53, 43.53], [33.75, 43.0], [33.65, 42.75], [33.75, 42.5], [33.53, 41.97], [33.0, 41.75], [32.75, 41.85], [32.5, 41.75], [32.25, 41.85], [32.0, 41.75], [31.75, 41.85], [31.68, 41.82], [31.53, 41.47], [31.0, 41.25], 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standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.888424596973738, 1.6734810081710727, 1.618603703278633]}}