{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:04.800151", "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": "2015-Oct-19_to_2015-Oct-22_21.0_30.0"}, "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": 2015100001907}, "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": "October 19 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 22 2015"}, "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": 92084.53831591576}, "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": ["Libya"]}, "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": 30.0}, "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": 21.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "21.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 22.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.32, 29.18], [18.47, 29.53], [19.0, 29.75], [19.25, 29.65], 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31.53], [21.0, 31.75], [21.53, 31.53], [21.68, 31.18], [22.03, 31.03], [22.18, 30.68], [22.25, 30.65], [22.5, 30.75], [23.03, 30.53], [23.25, 30.0], [23.03, 29.47], [22.68, 29.32], [22.53, 28.97], [22.18, 28.82], [22.03, 28.47], [21.5, 28.25], [21.25, 28.35], [21.0, 28.25], [20.75, 28.35], [20.68, 28.32], [20.53, 27.97], [20.18, 27.82], [20.03, 27.47], [19.68, 27.32], [19.53, 26.97], [19.18, 26.82], [19.03, 26.47], [18.5, 26.25], [18.25, 26.35], [18.0, 26.25], [17.75, 26.35], [17.5, 26.25], [16.97, 26.47], [16.82, 26.82], [16.47, 26.97], [16.25, 27.5]]]]}, "2015-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, 27.5], [16.47, 28.03], [17.0, 28.25], [17.25, 28.15], [17.32, 28.18], [17.47, 28.53], [17.82, 28.68], [17.97, 29.03], [18.32, 29.18], [18.47, 29.53], [19.0, 29.75], [19.25, 29.65], [19.5, 29.75], [19.75, 29.65], [19.82, 29.68], [19.96, 30.0], [19.75, 30.5], [19.97, 31.03], [20.32, 31.18], [20.47, 31.53], [21.0, 31.75], [21.53, 31.53], [21.68, 31.18], 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evolution of maximum t2m.", "value": [28.593881445271734, 28.69862707610531, 29.982794259018362, 31.06174551213502]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.813975048392223, 3.9621525483087994, 4.896954518828143, 6.229649252206758]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.403943558028914, 4.870884890459308, 6.148089909057262, 7.535307382276585]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4897371796371779, 1.5487928163068698, 1.9546410422546003, 2.5274788565787243]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7521486597939693, 1.8359545895920448, 2.2622536469627765, 3.0443427574490394]}}