{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:43.318559", "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-25_to_2016-Jun-28_22.5_22.0"}, "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": 2016060002622}, "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 25 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 2016"}, "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": 72255.04279352122}, "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": ["Chad", "Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 22.0}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.75}, "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": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.47, 22.03], [19.82, 22.18], [19.97, 22.53], [20.5, 22.75], 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22.5], [23.15, 22.25], [23.25, 22.0], [23.03, 21.47], [22.5, 21.25], [22.25, 21.35], [22.18, 21.32], [22.15, 21.25], [22.25, 21.0], [22.15, 20.75], [22.18, 20.68], [22.53, 20.53], [22.75, 20.0], [22.53, 19.47], [22.0, 19.25], [21.47, 19.47], [21.32, 19.82], [21.25, 19.85], [21.18, 19.82], [21.15, 19.75], [21.25, 19.5], [21.03, 18.97], [20.68, 18.82], [20.53, 18.47], [20.0, 18.25], [19.75, 18.35], [19.68, 18.32], [19.53, 17.97], [19.0, 17.75], [18.47, 17.97], [18.25, 18.5], [18.35, 18.75], [18.25, 19.0], [18.47, 19.53]]]]}, "2016-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, 19.53], [19.0, 19.75], [19.25, 19.65], [19.32, 19.68], [19.47, 20.03], [19.82, 20.18], [19.85, 20.25], [19.82, 20.32], [19.47, 20.47], [19.25, 21.0], [19.35, 21.25], [19.25, 21.5], [19.47, 22.03], [19.82, 22.18], [19.97, 22.53], [20.5, 22.75], [20.75, 22.65], [21.0, 22.75], [21.25, 22.65], [21.5, 22.75], [21.75, 22.65], [21.82, 22.68], [21.97, 23.03], [22.5, 23.25], [23.03, 23.03], 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19.75]]], [[[22.53, 20.53], [22.75, 20.0], [22.53, 19.47], [22.0, 19.25], [21.47, 19.47], [21.25, 20.0], [21.47, 20.53], [22.0, 20.75], [22.53, 20.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.679704990575601}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0346456669706474}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.84474829787513, 34.626790040867945, 34.447582197916745, 34.86042003944334]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.37222617845862, 36.21245396737544, 36.51193591445832, 36.31065442600027]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.0042596009250646, 3.244014949457787, 3.091661714466998, 2.2667619011191036]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.423668820127318, 4.679704990575601, 3.6837504194988355, 2.5152779945695443]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4713773181286578, 1.7069823566789089, 1.7028772066777684, 1.453322503641566]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6612284886319233, 2.175455894131946, 1.9902010644803778, 1.5777277889403294]}}