{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:14.341557", "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": "2024-Sep-27_to_2024-Sep-30_37.0_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": 2024090002357}, "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": "September 27 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2024"}, "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": 64438.26679694278}, "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": ["Georgia", "Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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", "Sea of Azov"]}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[36.5, 45.75], [36.75, 45.65], [37.0, 45.75], [37.53, 45.53], [37.68, 45.18], [37.75, 45.15], [38.0, 45.25], [38.53, 45.03], 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45.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe", "Mediterranean", "W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.5, 44.75], [34.97, 44.97], [34.75, 45.5], [34.97, 46.03], [35.5, 46.25], [36.03, 46.03], [36.25, 45.5], [36.07, 45.07], [36.5, 45.25], [36.75, 45.15], [37.0, 45.25], [37.25, 45.15], [37.5, 45.25], [38.03, 45.03], [38.25, 44.5], [38.03, 43.97], [37.5, 43.75], [37.25, 43.85], [37.0, 43.75], [36.75, 43.85], [36.5, 43.75], [35.97, 43.97], [35.75, 44.5], [35.93, 44.93], [35.5, 44.75]]]]}, "2024-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 45.53], [34.82, 45.68], [34.97, 46.03], [35.5, 46.25], [36.03, 46.03], [36.18, 45.68], [36.25, 45.65], [36.5, 45.75], [36.75, 45.65], [37.0, 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"value": [22.665517425537132, 24.52809295654299, 25.48480885823568, 24.805764770507835]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6725830619348585, 4.408404521106255, 4.8696754694584685, 4.35299399732898]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.010342279183533, 5.427083845559821, 7.369246072445492, 6.619903623897358]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.325359627819148, 1.6138908462441424, 1.7476248948658537, 1.521132604822045]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.36389608177534, 1.9734331767366753, 2.486707186544356, 2.205268604850016]}}