{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:10.423800", "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": "2019-Feb-06_to_2019-Feb-08_14.0_-4.5"}, "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": 2019020001390}, "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": "February 06 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2019"}, "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": 71004.66584017826}, "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": ["Congo", "Congo DRC", "Gabon"]}, "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": -4.5}, "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": 14.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.25, -3.5], [12.47, -2.97], [12.82, -2.82], [12.85, -2.75], [12.75, -2.5], [12.97, -1.97], [13.32, -1.82], [13.47, -1.47], [13.82, -1.32], [13.85, -1.25], [13.75, -1.0], [13.85, -0.75], [13.75, -0.5], [13.97, 0.03], [14.5, 0.25], [14.75, 0.15], [15.0, 0.25], [15.53, 0.03], [15.68, -0.32], [16.03, -0.47], [16.25, -1.0], [16.15, -1.25], [16.25, -1.5], [16.03, -2.03], [15.5, -2.25], [15.25, -2.15], [15.18, -2.18], [15.15, -2.25], [15.25, -2.5], [15.03, -3.03], [14.63, -3.2], [14.75, -3.5], [14.65, -3.75], [14.75, -4.0], [14.65, -4.25], [14.75, -4.5], [14.53, -5.03], [14.0, -5.25], [13.75, -5.15], [13.5, -5.25], [13.0, -5.04], [12.5, -5.25], [11.97, -5.03], [11.75, -4.5], [11.97, -3.97], [12.32, -3.82], [12.35, -3.75], [12.25, -3.5]]]]}, "2019-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.25, -3.5], [12.47, -2.97], [12.82, -2.82], [12.85, -2.75], [12.75, -2.5], [12.97, -1.97], [13.32, -1.82], [13.47, -1.47], [13.82, -1.32], [13.85, -1.25], [13.75, -1.0], [13.85, -0.75], [13.75, -0.5], [13.97, 0.03], [14.5, 0.25], [14.75, 0.15], [15.0, 0.25], [15.53, 0.03], [15.68, -0.32], [16.03, -0.47], [16.25, -1.0], [16.15, -1.25], [16.25, -1.5], [16.03, -2.03], [15.5, -2.25], [15.25, -2.15], [15.18, -2.18], [15.15, -2.25], [15.25, -2.5], [15.03, -3.03], [14.63, -3.2], [14.75, -3.5], [14.65, -3.75], [14.75, -4.0], [14.65, -4.25], [14.75, -4.5], [14.53, -5.03], [14.0, -5.25], [13.75, -5.15], [13.5, -5.25], [13.0, -5.04], [12.5, -5.25], [11.97, -5.03], [11.75, -4.5], [11.97, -3.97], [12.32, -3.82], [12.35, -3.75], [12.25, -3.5]]]]}, "2019-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.25, -3.5], [12.47, -2.97], [12.82, -2.82], [12.85, -2.75], [12.75, -2.5], [12.97, -1.97], [13.32, -1.82], [13.47, -1.47], [13.82, -1.32], [13.85, -1.25], [13.75, -1.0], [13.85, -0.75], [13.75, -0.5], [13.97, 0.03], [14.5, 0.25], [14.75, 0.15], [15.0, 0.25], [15.53, 0.03], [15.68, -0.32], [16.03, -0.47], [16.25, -1.0], [16.15, -1.25], [16.25, -1.5], [16.03, -2.03], [15.5, -2.25], [15.25, -2.15], [15.18, -2.18], [15.15, -2.25], [15.25, -2.5], [15.03, -3.03], [14.63, -3.2], [14.75, -3.5], [14.65, -3.75], [14.75, -4.0], [14.65, -4.25], [14.75, -4.5], [14.53, -5.03], [14.0, -5.25], [13.75, -5.15], [13.5, -5.25], [13.0, -5.04], [12.5, -5.25], [11.97, -5.03], [11.75, -4.5], [11.97, -3.97], [12.32, -3.82], [12.35, -3.75], [12.25, -3.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1012497961252166}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7071275760185878}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.682691608055507, 26.94363341005976, 26.85287557203293]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.8951228782812, 28.150443858373876, 28.074702086896025]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5583621342540526, 1.789358362092062, 1.7736622317096487]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7815217952253306, 2.1012497961252166, 2.0698741395143543]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5402562662101824, 1.7987783292283965, 1.794014203730751]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7735919061855232, 2.1071303926170835, 2.0260268323221036]}}