{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:49.015180", "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-May-23_to_2019-May-25_13.5_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": 2019050002537}, "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": "May 23 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 25 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": 92534.7096811167}, "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": 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": 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": 9.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.25}, "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": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 3.53], [10.0, 3.75], [10.25, 3.65], [10.5, 3.75], [11.0, 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3.75], [11.0, 3.54], [11.5, 3.75], [11.75, 3.65], [11.82, 3.68], [11.97, 4.03], [12.32, 4.18], [12.35, 4.25], [12.32, 4.32], [11.97, 4.47], [11.75, 5.0], [11.85, 5.25], [11.75, 5.5], [11.97, 6.03], [12.32, 6.18], [12.47, 6.53], [13.0, 6.75], [13.25, 6.65], [13.5, 6.75], [14.03, 6.53], [14.25, 6.0], [14.15, 5.75], [14.25, 5.5], [14.13, 5.2], [14.53, 5.03], [14.75, 4.5], [14.53, 3.97], [14.0, 3.75], [13.75, 3.85], [13.68, 3.82], [13.54, 3.5], [13.68, 3.18], [14.03, 3.03], [14.18, 2.68], [14.53, 2.53], [14.75, 2.0], [14.53, 1.47], [14.0, 1.25], [13.75, 1.35], [13.68, 1.32], [13.53, 0.97], [13.0, 0.75], [12.47, 0.97], [12.25, 1.5], [12.35, 1.75], [12.32, 1.82], [12.25, 1.85], [12.0, 1.75], [11.75, 1.85], [11.5, 1.75], [11.25, 1.85], [11.0, 1.75], [10.75, 1.85], [10.5, 1.75], [10.25, 1.85], [10.0, 1.75], [9.47, 1.97], [9.25, 2.5], [9.35, 2.75], [9.25, 3.0], [9.47, 3.53]]]]}, "2019-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 3.53], [10.0, 3.75], [10.25, 3.65], [10.5, 3.75], [11.0, 3.54], [11.5, 3.75], [11.75, 3.65], [11.82, 3.68], [11.97, 4.03], [12.32, 4.18], [12.35, 4.25], [12.32, 4.32], [11.97, 4.47], [11.75, 5.0], [11.85, 5.25], [11.75, 5.5], [11.97, 6.03], [12.32, 6.18], [12.47, 6.53], [13.0, 6.75], [13.25, 6.65], [13.5, 6.75], [14.03, 6.53], [14.25, 6.0], [14.15, 5.75], [14.25, 5.5], [14.13, 5.2], [14.53, 5.03], [14.75, 4.5], [14.53, 3.97], [14.0, 3.75], [13.75, 3.85], [13.68, 3.82], [13.54, 3.5], [13.68, 3.18], [14.03, 3.03], [14.18, 2.68], [14.53, 2.53], [14.75, 2.0], [14.53, 1.47], [14.0, 1.25], [13.75, 1.35], [13.68, 1.32], [13.53, 0.97], [13.0, 0.75], [12.47, 0.97], [12.25, 1.5], [12.35, 1.75], [12.32, 1.82], [12.25, 1.85], [12.0, 1.75], [11.75, 1.85], [11.5, 1.75], [11.25, 1.85], [11.0, 1.75], [10.75, 1.85], [10.5, 1.75], [10.25, 1.85], [10.0, 1.75], [9.47, 1.97], [9.25, 2.5], [9.35, 2.75], [9.25, 3.0], [9.47, 3.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9496067496253886}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4457257368149081}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.621390435818284, 25.600656926596116, 25.544401898377828]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.26609194649825, 27.135036692510937, 26.890941210161657]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.433249653615809, 1.4643564571562648, 1.4395710996726507]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7204592510443604, 1.9496067496253886, 1.8918297194027787]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.60403491508909, 1.6350695176179957, 1.5609808451163392]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0309530342651176, 2.171136155034125, 2.0056159012415247]}}