{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:18.238452", "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-Mar-01_to_2010-Mar-04_13.0_2.5"}, "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": 2010030001014}, "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": "March 01 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2010"}, "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": 64870.38920441695}, "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": ["Cameroon", "Congo", "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": 2.5}, "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": 13.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.0\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": 15.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, 3.03], [13.0, 3.25], [13.25, 3.15], [13.5, 3.25], [14.03, 3.03], [14.25, 2.5], [14.03, 1.97], [13.68, 1.82], [13.53, 1.47], [13.0, 1.25], [12.47, 1.47], [12.25, 2.0], [12.35, 2.25], [12.25, 2.5], [12.47, 3.03]]]]}, "2010-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, 4.03], [12.5, 4.25], [13.03, 4.03], [13.18, 3.68], [13.25, 3.65], [13.5, 3.75], [14.03, 3.53], [14.18, 3.18], [14.25, 3.15], [14.5, 3.25], [14.75, 3.15], [15.0, 3.25], [15.53, 3.03], [15.75, 2.5], [15.54, 2.0], [15.75, 1.5], [15.54, 1.0], [15.75, 0.5], [15.53, -0.03], [15.18, -0.18], [15.15, -0.25], [15.25, -0.5], [15.15, -0.75], [15.25, -1.0], [15.03, -1.53], [14.5, -1.75], [13.97, -1.53], [13.75, -1.0], [13.85, -0.75], [13.82, -0.68], [13.47, -0.53], [13.25, 0.0], [13.35, 0.25], [13.25, 0.5], [13.35, 0.75], [13.25, 1.0], [13.43, 1.43], [13.0, 1.25], [12.47, 1.47], [12.25, 2.0], [12.35, 2.25], [12.32, 2.32], [11.97, 2.47], [11.75, 3.0], [11.85, 3.25], [11.75, 3.5], [11.97, 4.03]]]]}, "2010-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, 4.03], [12.5, 4.25], [13.03, 4.03], [13.18, 3.68], [13.25, 3.65], [13.5, 3.75], [14.03, 3.53], [14.18, 3.18], [14.25, 3.15], [14.5, 3.25], [14.75, 3.15], [15.0, 3.25], [15.53, 3.03], [15.75, 2.5], [15.54, 2.0], [15.75, 1.5], [15.54, 1.0], [15.75, 0.5], [15.53, -0.03], [15.18, -0.18], [15.15, -0.25], [15.25, -0.5], [15.15, -0.75], [15.25, -1.0], [15.03, -1.53], [14.5, -1.75], [13.97, -1.53], [13.75, -1.0], [13.85, -0.75], [13.82, -0.68], [13.47, -0.53], [13.25, 0.0], [13.35, 0.25], [13.25, 0.5], [13.35, 0.75], [13.25, 1.0], [13.43, 1.43], [13.0, 1.25], [12.47, 1.47], [12.25, 2.0], [12.35, 2.25], [12.32, 2.32], [11.97, 2.47], [11.75, 3.0], [11.85, 3.25], [11.75, 3.5], [11.97, 4.03]]]]}, "2010-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, 4.03], [12.5, 4.25], [13.03, 4.03], [13.18, 3.68], [13.25, 3.65], [13.5, 3.75], [14.03, 3.53], [14.18, 3.18], [14.25, 3.15], [14.5, 3.25], [14.75, 3.15], [15.0, 3.25], [15.53, 3.03], [15.75, 2.5], [15.54, 2.0], [15.75, 1.5], [15.54, 1.0], [15.75, 0.5], [15.53, -0.03], [15.18, -0.18], [15.15, -0.25], [15.25, -0.5], [15.15, -0.75], [15.25, -1.0], [15.03, -1.53], [14.5, -1.75], [13.97, -1.53], [13.75, -1.0], [13.85, -0.75], [13.82, -0.68], [13.47, -0.53], [13.25, 0.0], [13.35, 0.25], [13.25, 0.5], [13.35, 0.75], [13.25, 1.0], [13.46, 1.5], [13.32, 1.82], [13.25, 1.85], [13.0, 1.75], [12.47, 1.97], [12.32, 2.32], [11.97, 2.47], [11.75, 3.0], [11.85, 3.25], [11.75, 3.5], [11.97, 4.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4456446869945125}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7562439755098214}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.23053424621969, 26.90723894656901, 27.03284224284789, 26.838678867193266]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.28559459892955, 27.596079398127813, 27.491307412685785, 27.78964981613791]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3272134613624378, 1.8191182976090279, 1.8552581153531784, 1.650615667592237]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.378231504812561, 2.350144637430162, 2.126746686066781, 2.4456446869945125]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3295718517562867, 1.691583691040364, 1.7465408392716977, 1.560483108364162]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3794839228185727, 2.316660716352202, 2.0528459117514717, 2.1366215743015853]}}