{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:28.148542", "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-Aug-03_to_2010-Aug-05_13.5_17.0"}, "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": 2010080001654}, "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": "August 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 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": 53206.87333590563}, "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": ["Niger"]}, "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": 17.0}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 17.53], [11.5, 17.75], [11.75, 17.65], [11.82, 17.68], [11.97, 18.03], [12.5, 18.25], [12.75, 18.15], [13.0, 18.25], [13.25, 18.15], [13.5, 18.25], [13.75, 18.15], [14.0, 18.25], [14.25, 18.15], [14.5, 18.25], [14.75, 18.15], [15.0, 18.25], [15.53, 18.03], [15.75, 17.5], [15.53, 16.97], [15.0, 16.75], [14.75, 16.85], [14.68, 16.82], [14.65, 16.75], [14.75, 16.5], [14.53, 15.97], [14.0, 15.75], [13.75, 15.85], [13.5, 15.75], [13.25, 15.85], [13.0, 15.75], [12.75, 15.85], [12.5, 15.75], [12.25, 15.85], [12.0, 15.75], [11.75, 15.85], [11.5, 15.75], [10.97, 15.97], [10.75, 16.5], [10.85, 16.75], [10.75, 17.0], [10.97, 17.53]]]]}, "2010-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 17.53], [11.5, 17.75], [11.75, 17.65], [11.82, 17.68], [11.97, 18.03], [12.5, 18.25], [12.75, 18.15], [13.0, 18.25], [13.25, 18.15], [13.5, 18.25], [13.75, 18.15], [14.0, 18.25], [14.25, 18.15], [14.5, 18.25], [14.75, 18.15], [15.0, 18.25], [15.53, 18.03], [15.75, 17.5], [15.53, 16.97], [15.0, 16.75], [14.75, 16.85], [14.68, 16.82], [14.65, 16.75], [14.75, 16.5], [14.53, 15.97], [14.0, 15.75], [13.75, 15.85], [13.5, 15.75], [13.25, 15.85], [13.0, 15.75], [12.75, 15.85], [12.5, 15.75], [12.25, 15.85], [12.0, 15.75], [11.75, 15.85], [11.5, 15.75], [10.97, 15.97], [10.75, 16.5], [10.85, 16.75], [10.75, 17.0], [10.97, 17.53]]]]}, "2010-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 17.53], [11.5, 17.75], [11.75, 17.65], [11.82, 17.68], [11.97, 18.03], [12.5, 18.25], [12.75, 18.15], [13.0, 18.25], [13.25, 18.15], [13.5, 18.25], [13.75, 18.15], [14.0, 18.25], [14.25, 18.15], [14.5, 18.25], [14.75, 18.15], [15.0, 18.25], [15.53, 18.03], [15.75, 17.5], [15.53, 16.97], [15.0, 16.75], [14.75, 16.85], [14.68, 16.82], [14.65, 16.75], [14.75, 16.5], [14.53, 15.97], [14.0, 15.75], [13.75, 15.85], [13.5, 15.75], [13.25, 15.85], [13.0, 15.75], [12.75, 15.85], [12.5, 15.75], [12.25, 15.85], [12.0, 15.75], [11.75, 15.85], [11.5, 15.75], [10.97, 15.97], [10.75, 16.5], [10.85, 16.75], [10.75, 17.0], [10.97, 17.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.754698088318662}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2898191348114043}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.92554676266582, 33.94929912424266, 33.95048235143929]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.98774275865952, 34.56569116398663, 35.01611247949205]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.131393783228535, 2.3020848771622013, 2.4359787440434766]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5495013452115813, 2.648694203390164, 2.754698088318662]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3136459763012798, 1.4143625307963914, 1.4479574989094575]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4580711406841171, 1.6075558226368036, 1.5569161123446096]}}