{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:32.549037", "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": "2018-Apr-17_to_2018-Apr-19_348.0_26.5"}, "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": 2018040002118}, "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": "April 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 19 2018"}, "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": 158399.34306743188}, "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": ["Mauritania", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "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": 26.5}, "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": 348.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "348.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 345.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 352.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.65, 24.75], [-14.75, 25.0], [-14.53, 25.53], [-14.18, 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[-10.47, 25.47], [-10.82, 25.32], [-10.97, 24.97], [-11.5, 24.75], [-11.75, 24.85], [-11.82, 24.82], [-11.97, 24.47], [-12.5, 24.25], [-12.75, 24.35], [-12.82, 24.32], [-12.85, 24.25], [-12.75, 24.0], [-12.97, 23.47], [-13.5, 23.25], [-13.75, 23.35], [-14.0, 23.25], [-14.53, 23.47], [-14.75, 24.0], [-14.65, 24.25], [-14.75, 24.5], [-14.65, 24.75]]]]}, "2018-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.65, 24.75], [-14.75, 25.0], [-14.53, 25.53], [-14.18, 25.68], [-14.03, 26.03], [-13.68, 26.18], [-13.53, 26.53], [-13.18, 26.68], [-13.03, 27.03], [-12.68, 27.18], [-12.53, 27.53], [-12.0, 27.75], [-11.75, 27.65], [-11.68, 27.68], [-11.53, 28.03], [-11.18, 28.18], [-11.03, 28.53], [-10.68, 28.68], [-10.65, 28.75], [-10.75, 29.0], [-10.65, 29.25], [-10.75, 29.5], [-10.53, 30.03], [-10.18, 30.18], [-10.15, 30.25], [-10.25, 30.5], [-10.03, 31.03], [-9.68, 31.18], [-9.65, 31.25], [-9.75, 31.5], [-9.65, 31.75], [-9.75, 32.0], [-9.53, 32.53], [-9.18, 32.68], 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"Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.515204134055032, 7.5254322262654485, 5.80918694570564]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.390502643959792, 9.062391507189773, 7.862804581065234]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7497409651217566, 2.362836534117225, 1.7778812360491685]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.306821111589196, 3.1174127725272185, 2.2612594489939384]}}