{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:49.027734", "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": "2014-Nov-03_to_2014-Nov-05_18.5_-5.5"}, "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": 2014110001432}, "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": "November 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2014"}, "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": 52223.13779912711}, "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": ["Angola", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -5.5}, "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": 18.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, -6.5], [17.47, -5.97], [17.82, -5.82], [17.85, -5.75], [17.75, -5.5], [17.85, -5.25], [17.75, -5.0], [17.97, -4.47], [18.32, -4.32], [18.47, -3.97], [19.0, -3.75], [19.53, -3.97], [19.68, -4.32], [20.03, -4.47], [20.25, -5.0], [20.04, -5.5], [20.25, -6.0], [20.04, -6.5], [20.25, -7.0], [20.04, -7.5], [20.25, -8.0], [20.03, -8.53], [19.5, -8.75], [19.25, -8.65], [19.0, -8.75], [18.47, -8.53], [18.25, -8.0], [18.35, -7.75], [18.32, -7.68], [17.97, -7.53], [17.82, -7.18], [17.47, -7.03], [17.25, -6.5]]]]}, "2014-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, -6.5], [17.47, -5.97], [17.82, -5.82], [17.85, -5.75], [17.75, -5.5], [17.85, -5.25], [17.75, -5.0], [17.97, -4.47], [18.32, -4.32], [18.47, -3.97], [19.0, -3.75], [19.53, -3.97], [19.68, -4.32], [20.03, -4.47], [20.25, -5.0], [20.04, -5.5], [20.25, -6.0], [20.04, -6.5], [20.25, -7.0], [20.04, -7.5], [20.25, -8.0], [20.03, -8.53], [19.5, -8.75], [19.25, -8.65], [19.0, -8.75], [18.47, -8.53], [18.25, -8.0], [18.35, -7.75], [18.32, -7.68], [17.97, -7.53], [17.82, -7.18], [17.47, -7.03], [17.25, -6.5]]]]}, "2014-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, -6.5], [17.47, -5.97], [17.82, -5.82], [17.85, -5.75], [17.75, -5.5], [17.85, -5.25], [17.75, -5.0], [17.97, -4.47], [18.32, -4.32], [18.47, -3.97], [19.0, -3.75], [19.53, -3.97], [19.68, -4.32], [20.03, -4.47], [20.25, -5.0], [20.04, -5.5], [20.25, -6.0], [20.04, -6.5], [20.25, -7.0], [20.04, -7.5], [20.25, -8.0], [20.03, -8.53], [19.5, -8.75], [19.25, -8.65], [19.0, -8.75], [18.47, -8.53], [18.25, -8.0], [18.35, -7.75], [18.32, -7.68], [17.97, -7.53], [17.82, -7.18], [17.47, -7.03], [17.25, -6.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5292715072422425}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5941309853091528}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.582729758582957, 24.74528394159495, 24.26538782011812]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.583298404976404, 27.090346978703167, 26.108874084734396]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.61897530458013, 1.8029720302714087, 1.3604456210759195]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2415356262258683, 2.5292715072422425, 1.5148862028735266]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8532857868638104, 2.046967176573886, 1.584001721814073]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4845203157420697, 2.7061760506200114, 1.9321548446601002]}}