{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:38.439747", "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": "2016-Jun-05_to_2016-Jun-09_347.0_13.5"}, "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": 2016060001489}, "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": "June 05 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 125611.17990252917}, "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": ["Mali", "Mauritania", "Senegal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "Western-Africa"]}, "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": 13.5}, "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": 347.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "347.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 346.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 352.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.53, 15.03], [-13.0, 15.25], [-12.47, 15.03], [-12.25, 14.5], [-12.46, 14.0], [-12.25, 13.5], [-12.47, 12.97], [-13.0, 12.75], [-13.53, 12.97], [-13.75, 13.5], [-13.54, 14.0], [-13.75, 14.5], [-13.53, 15.03]]]]}, "2016-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.25, 13.5], [-14.03, 14.03], [-13.62, 14.2], [-13.75, 14.5], [-13.53, 15.03], [-13.0, 15.25], [-12.5, 15.04], [-12.0, 15.25], [-11.57, 15.07], [-11.75, 15.5], [-11.53, 16.03], [-11.0, 16.25], [-10.47, 16.03], [-10.25, 15.5], [-10.46, 15.0], [-10.25, 14.5], [-10.35, 14.25], [-10.25, 14.0], [-10.47, 13.47], [-11.0, 13.25], [-11.25, 13.35], [-11.32, 13.32], [-11.47, 12.97], [-12.0, 12.75], [-12.25, 12.85], [-12.32, 12.82], [-12.47, 12.47], [-13.0, 12.25], [-13.53, 12.47], [-13.68, 12.82], [-14.03, 12.97], [-14.25, 13.5]]]]}, "2016-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.25, 13.5], [-14.03, 14.03], [-13.62, 14.2], [-13.75, 14.5], [-13.53, 15.03], [-13.0, 15.25], [-12.75, 15.15], [-12.5, 15.25], [-12.25, 15.15], [-12.0, 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[-10.35, 14.75], [-10.32, 14.68], [-10.25, 14.65], [-10.18, 14.68]], [[-10.12, 15.3], [-10.25, 15.35], [-10.32, 15.32], [-10.35, 15.25], [-10.25, 15.0], [-10.12, 15.3]]]]}, "2016-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.25, 13.5], [-14.03, 14.03], [-13.5, 14.25], [-13.25, 14.15], [-13.18, 14.18], [-13.15, 14.25], [-13.25, 14.5], [-13.03, 15.03], [-12.5, 15.25], [-12.25, 15.15], [-12.0, 15.25], [-11.75, 15.15], [-11.68, 15.18], [-11.65, 15.25], [-11.75, 15.5], [-11.65, 15.75], [-11.75, 16.0], [-11.65, 16.25], [-11.75, 16.5], [-11.53, 17.03], [-11.18, 17.18], [-11.03, 17.53], [-10.5, 17.75], [-9.97, 17.53], [-9.82, 17.18], [-9.47, 17.03], [-9.32, 16.68], [-9.25, 16.65], [-9.0, 16.75], [-8.47, 16.53], [-8.32, 16.18], [-7.97, 16.03], [-7.82, 15.68], [-7.47, 15.53], [-7.25, 15.0], [-7.47, 14.47], [-7.87, 14.3], [-7.75, 14.0], [-7.85, 13.75], [-7.75, 13.5], [-7.85, 13.25], [-7.75, 13.0], [-7.85, 12.75], [-7.75, 12.5], [-7.97, 11.97], [-8.5, 11.75], [-9.03, 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entire duration", "value": 4.082502429184046}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8281563436908987}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.73226466391145, 36.45746640952598, 36.74409763445806, 36.72838452706702, 37.10617867531357]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.953951988887525, 37.686049881203814, 38.863613906907005, 39.404431685468865, 40.02964968682477]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.15857014970868, 2.6875361813730043, 2.756758327523962, 2.714828658109798, 3.112692824899676]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.275994012198794, 3.1652797680251865, 3.5332366685254897, 3.5428114448628207, 4.082502429184046]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2107620554585936, 1.3877518513031257, 1.501915375031347, 1.5592972390742093, 1.8241967194063278]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2263679893349926, 1.537352279285418, 1.721227520818515, 2.093507657971063, 2.7154550413426977]}}