{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:17.683066", "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-Jul-23_to_2024-Jul-25_19.5_7.0"}, "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": 2024070002380}, "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": "July 23 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2024"}, "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": 168657.2645941535}, "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": ["Central African Republic"]}, "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": 7.0}, "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": 19.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[17.47, 8.03], [18.0, 8.25], [18.25, 8.15], [18.5, 8.25], [18.75, 8.15], [19.0, 8.25], [19.25, 8.15], [19.5, 8.25], [19.75, 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"IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.47, 6.97], [17.25, 7.5], [17.47, 8.03], [18.0, 8.25], [18.25, 8.15], [18.5, 8.25], [18.75, 8.15], [19.0, 8.25], [19.25, 8.15], [19.5, 8.25], [19.75, 8.15], [20.0, 8.25], [20.25, 8.15], [20.32, 8.18], [20.35, 8.25], [20.25, 8.5], [20.47, 9.03], [21.0, 9.25], [21.25, 9.15], [21.5, 9.25], [21.75, 9.15], [22.0, 9.25], [22.3, 9.13], [22.47, 9.53], [23.0, 9.75], [23.53, 9.53], [23.68, 9.18], [24.03, 9.03], [24.25, 8.5], [24.15, 8.25], [24.18, 8.18], [24.25, 8.15], [24.5, 8.25], [25.03, 8.03], [25.25, 7.5], [25.15, 7.25], [25.18, 7.18], [25.25, 7.15], [25.5, 7.25], [26.03, 7.03], [26.25, 6.5], [26.03, 5.97], [25.5, 5.75], [25.25, 5.85], [25.0, 5.75], [24.75, 5.85], [24.68, 5.82], [24.53, 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duration", "value": 1.5226653319236223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.34401006575405, 25.702298368130982, 25.4674997185586]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.742401612685, 27.314500692141905, 27.29127836934623]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3598805319142322, 1.7189835432970157, 1.4891319205596192]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9327621616958481, 2.253543781979033, 2.212555684249196]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.583018687701077, 1.9884051824770055, 1.7410669854686331]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0955654478682786, 2.649160728158351, 2.218627301717378]}}