{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:42.372399", "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": "2013-Jun-11_to_2013-Jun-14_357.5_15.5"}, "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": 2013060002005}, "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 11 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 2013"}, "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": 71717.58060127641}, "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": ["Burkina Faso", "Mali", "Niger"]}, "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": 15.5}, "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": 357.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.75, 15.5], [-3.53, 16.03], [-3.0, 16.25], [-2.75, 16.15], [-2.5, 16.25], [-2.25, 16.15], [-2.0, 16.25], [-1.47, 16.03], [-1.32, 15.68], [-1.0, 15.54], [-0.68, 15.68], [-0.53, 16.03], [0.0, 16.25], [0.25, 16.15], [0.5, 16.25], [0.75, 16.15], [1.0, 16.25], [1.53, 16.03], [1.75, 15.5], [1.65, 15.25], [1.75, 15.0], [1.65, 14.75], [1.75, 14.5], [1.53, 13.97], [1.18, 13.82], [1.03, 13.47], [0.5, 13.25], [0.25, 13.35], [0.0, 13.25], [-0.53, 13.47], [-0.68, 13.82], [-0.75, 13.85], [-0.82, 13.82], [-0.97, 13.47], [-1.5, 13.25], [-1.75, 13.35], [-2.0, 13.25], [-2.53, 13.47], [-2.75, 14.0], [-2.65, 14.25], [-2.68, 14.32], [-3.03, 14.47], [-3.18, 14.82], [-3.53, 14.97], [-3.75, 15.5]]]]}, "2013-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.75, 15.5], [-3.53, 16.03], [-3.0, 16.25], [-2.75, 16.15], [-2.5, 16.25], [-2.25, 16.15], [-2.0, 16.25], [-1.47, 16.03], [-1.32, 15.68], [-1.0, 15.54], [-0.68, 15.68], [-0.53, 16.03], [0.0, 16.25], [0.25, 16.15], [0.5, 16.25], [0.75, 16.15], [1.0, 16.25], [1.53, 16.03], [1.75, 15.5], [1.65, 15.25], [1.75, 15.0], [1.65, 14.75], [1.75, 14.5], [1.53, 13.97], [1.18, 13.82], [1.03, 13.47], [0.5, 13.25], [0.25, 13.35], [0.0, 13.25], [-0.53, 13.47], [-0.68, 13.82], [-0.75, 13.85], [-0.82, 13.82], [-0.97, 13.47], [-1.5, 13.25], [-1.75, 13.35], [-2.0, 13.25], [-2.53, 13.47], [-2.75, 14.0], [-2.65, 14.25], [-2.68, 14.32], [-3.03, 14.47], [-3.18, 14.82], [-3.53, 14.97], [-3.75, 15.5]]]]}, "2013-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.75, 15.5], [-3.53, 16.03], [-3.0, 16.25], [-2.75, 16.15], [-2.5, 16.25], [-2.25, 16.15], [-2.0, 16.25], [-1.47, 16.03], [-1.32, 15.68], [-1.0, 15.54], [-0.68, 15.68], [-0.53, 16.03], [0.0, 16.25], [0.25, 16.15], [0.5, 16.25], [0.75, 16.15], [1.0, 16.25], [1.53, 16.03], [1.75, 15.5], [1.65, 15.25], [1.75, 15.0], [1.65, 14.75], [1.75, 14.5], [1.53, 13.97], [1.18, 13.82], [1.03, 13.47], [0.5, 13.25], [0.25, 13.35], [0.0, 13.25], [-0.53, 13.47], [-0.68, 13.82], [-0.75, 13.85], [-0.82, 13.82], [-0.97, 13.47], [-1.5, 13.25], [-1.75, 13.35], [-2.0, 13.25], [-2.53, 13.47], [-2.75, 14.0], [-2.65, 14.25], [-2.68, 14.32], [-3.03, 14.47], [-3.18, 14.82], [-3.53, 14.97], [-3.75, 15.5]]]]}, "2013-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.5, 16.25], [-1.97, 16.03], [-1.75, 15.5], [-1.97, 14.97], [-2.5, 14.75], [-3.03, 14.97], [-3.25, 15.5], [-3.03, 16.03], [-2.5, 16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.066857515904644}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.255972358039762}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.10080629788223, 36.223437991277876, 36.5153438839655, 35.908703594747124]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.67894939993283, 37.204243510369736, 37.62116878003616, 35.908703594747124]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0792533877987225, 2.2039603363886164, 2.5095847709995525, 1.658818252417234]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3537252904989714, 2.81604122654511, 3.066857515904644, 1.658818252417234]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2864502212650006, 1.405274296938975, 1.6267691129054773, 1.1956008495067714]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.392484902252794, 1.8184922289542595, 2.023560265058257, 1.1956008495067714]}}