{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:03.069618", "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": "2010-Jun-18_to_2010-Jun-20_346.5_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": 2010060002263}, "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 18 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 20 2010"}, "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": 50778.87867399452}, "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": 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": 346.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.5\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": 349.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.25, 15.5], [-14.03, 16.03], [-13.5, 16.25], [-12.97, 16.03], [-12.82, 15.68], [-12.75, 15.65], [-12.68, 15.68], [-12.53, 16.03], [-12.18, 16.18], [-12.03, 16.53], [-11.5, 16.75], [-11.25, 16.65], [-11.0, 16.75], [-10.75, 16.65], [-10.5, 16.75], [-9.97, 16.53], [-9.75, 16.0], [-9.85, 15.75], [-9.75, 15.5], [-9.97, 14.97], [-10.5, 14.75], [-10.75, 14.85], [-11.0, 14.75], [-11.25, 14.85], [-11.32, 14.82], [-11.37, 14.7], [-10.97, 14.53], [-10.75, 14.0], [-10.85, 13.75], [-10.75, 13.5], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.65, 13.25], [-12.68, 13.32], [-13.03, 13.47], [-13.25, 14.0], [-13.15, 14.25], [-13.18, 14.32], [-13.53, 14.47], [-13.68, 14.82], [-14.03, 14.97], [-14.25, 15.5]]]]}, "2010-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.25, 15.5], [-14.03, 16.03], [-13.5, 16.25], [-12.97, 16.03], [-12.82, 15.68], [-12.75, 15.65], [-12.68, 15.68], [-12.53, 16.03], [-12.18, 16.18], [-12.03, 16.53], [-11.5, 16.75], [-11.25, 16.65], [-11.0, 16.75], [-10.75, 16.65], [-10.5, 16.75], [-9.97, 16.53], [-9.75, 16.0], [-9.85, 15.75], [-9.75, 15.5], [-9.97, 14.97], [-10.5, 14.75], [-10.75, 14.85], [-11.0, 14.75], [-11.25, 14.85], [-11.32, 14.82], [-11.37, 14.7], [-10.97, 14.53], [-10.75, 14.0], [-10.85, 13.75], [-10.75, 13.5], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.65, 13.25], [-12.68, 13.32], [-13.03, 13.47], [-13.25, 14.0], [-13.15, 14.25], [-13.18, 14.32], [-13.53, 14.47], [-13.68, 14.82], [-14.03, 14.97], [-14.25, 15.5]]]]}, "2010-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.25, 15.5], [-14.03, 16.03], [-13.5, 16.25], [-12.97, 16.03], [-12.82, 15.68], [-12.75, 15.65], [-12.68, 15.68], [-12.53, 16.03], [-12.18, 16.18], [-12.03, 16.53], [-11.5, 16.75], [-11.25, 16.65], [-11.0, 16.75], [-10.75, 16.65], [-10.5, 16.75], [-9.97, 16.53], [-9.75, 16.0], [-9.85, 15.75], [-9.75, 15.5], [-9.97, 14.97], [-10.5, 14.75], [-10.75, 14.85], [-11.0, 14.75], [-11.25, 14.85], [-11.32, 14.82], [-11.37, 14.7], [-10.97, 14.53], [-10.75, 14.0], [-10.85, 13.75], [-10.75, 13.5], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.65, 13.25], [-12.68, 13.32], [-13.03, 13.47], [-13.25, 14.0], [-13.15, 14.25], [-13.18, 14.32], [-13.53, 14.47], [-13.68, 14.82], [-14.03, 14.97], [-14.25, 15.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9327308375262646}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3256618493437924}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.54976383258719, 36.47061725817463, 36.18015885410307]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.147773404116776, 37.80000079049245, 37.834117201282595]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.358464029274153, 2.3962900072786812, 2.222231511478543]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9327308375262646, 2.931309002708872, 2.7182229964221847]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5366433865600502, 1.568165223861088, 1.4619286493984802]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8148470062436812, 1.7922672127546293, 1.893382773966848]}}