{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:45.206298", "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-07_to_2019-May-10_16.5_-0.5"}, "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": 2019050001527}, "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 07 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 10 2019"}, "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": 163737.81640771189}, "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": ["South Atlantic Ocean"]}, "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": -0.5}, "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": 16.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.75}, "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": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, -2.0], [8.97, -1.47], [9.5, -1.25], [9.75, -1.35], [10.0, -1.25], [10.25, -1.35], [10.32, -1.32], [10.47, -0.97], [11.0, -0.75], [11.25, -0.85], [11.5, -0.75], [11.75, -0.85], [12.0, -0.75], [12.25, -0.85], [12.32, -0.82], [12.47, -0.47], [13.0, -0.25], [13.25, -0.35], [13.32, -0.32], [13.35, -0.25], [13.25, 0.0], [13.47, 0.53], [14.0, 0.75], [14.25, 0.65], [14.5, 0.75], [15.03, 0.53], [15.2, 0.13], [15.5, 0.25], [15.75, 0.15], [15.82, 0.18], [15.85, 0.25], [15.75, 0.5], [15.97, 1.03], [16.5, 1.25], [16.75, 1.15], [17.0, 1.25], [17.25, 1.15], [17.5, 1.25], [18.03, 1.03], [18.18, 0.68], [18.25, 0.65], [18.5, 0.75], [19.03, 0.53], [19.25, 0.0], [19.15, -0.25], [19.25, -0.5], [19.03, -1.03], [18.68, -1.18], [18.53, -1.53], [18.0, -1.75], [17.5, -1.54], [17.0, -1.75], [16.75, -1.65], [16.5, -1.75], [16.25, -1.65], [16.0, -1.75], [15.5, -1.54], [15.18, -1.68], [15.03, -2.03], [14.5, -2.25], [14.25, -2.15], [14.18, -2.18], [14.03, -2.53], [13.5, -2.75], [13.25, -2.65], [13.0, -2.75], [12.57, -2.57], [12.75, -3.0], [12.65, -3.25], [12.75, -3.5], [12.65, -3.75], [12.75, -4.0], [12.65, -4.25], [12.75, -4.5], [12.53, -5.03], [12.0, -5.25], [11.47, -5.03], [11.32, -4.68], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.25, -3.5], [10.35, -3.25], [10.32, -3.18], [10.25, -3.15], [10.0, -3.25], [9.47, -3.03], [9.32, -2.68], [8.97, -2.53], [8.75, -2.0]], [[12.18, -2.18], [12.15, -2.25], [12.18, -2.32], [12.43, -2.43], [12.32, -2.18], [12.25, -2.15], [12.18, -2.18]]]]}, "2019-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, -2.0], [8.97, -1.47], [9.5, -1.25], [9.75, -1.35], [10.0, -1.25], [10.25, -1.35], [10.32, -1.32], [10.47, -0.97], [11.0, -0.75], [11.25, -0.85], [11.5, -0.75], [11.75, -0.85], [12.0, -0.75], [12.25, -0.85], [12.32, -0.82], [12.47, -0.47], [13.0, -0.25], [13.25, -0.35], [13.32, -0.32], [13.35, -0.25], [13.25, 0.0], [13.47, 0.53], [14.0, 0.75], [14.25, 0.65], [14.5, 0.75], [15.03, 0.53], [15.2, 0.13], [15.5, 0.25], [15.75, 0.15], [15.82, 0.18], [15.85, 0.25], [15.75, 0.5], [15.97, 1.03], [16.5, 1.25], [16.75, 1.15], [17.0, 1.25], [17.25, 1.15], [17.5, 1.25], [18.03, 1.03], [18.18, 0.68], [18.25, 0.65], [18.5, 0.75], [19.03, 0.53], [19.25, 0.0], [19.15, -0.25], [19.25, -0.5], [19.03, -1.03], [18.68, -1.18], [18.53, -1.53], [18.0, -1.75], [17.5, -1.54], [17.0, -1.75], [16.75, -1.65], [16.5, -1.75], [16.25, -1.65], [16.0, -1.75], [15.5, -1.54], [15.18, -1.68], [15.03, -2.03], [14.5, -2.25], [14.25, -2.15], [14.18, -2.18], [14.03, -2.53], [13.5, -2.75], [13.25, -2.65], [13.0, -2.75], [12.57, -2.57], [12.75, -3.0], [12.65, -3.25], [12.75, -3.5], [12.65, -3.75], [12.75, -4.0], [12.65, -4.25], [12.75, -4.5], [12.53, -5.03], [12.0, -5.25], [11.47, -5.03], [11.32, -4.68], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.25, -3.5], [10.35, -3.25], [10.32, -3.18], [10.25, -3.15], [10.0, -3.25], [9.47, -3.03], [9.32, -2.68], [8.97, -2.53], [8.75, -2.0]], [[12.18, -2.18], [12.15, -2.25], [12.18, -2.32], [12.43, -2.43], [12.32, -2.18], [12.25, -2.15], [12.18, -2.18]]]]}, "2019-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, -2.0], [8.97, -1.47], [9.5, -1.25], [9.75, -1.35], [10.0, -1.25], [10.25, -1.35], [10.32, -1.32], [10.47, -0.97], [11.0, -0.75], [11.25, -0.85], [11.5, -0.75], [11.75, -0.85], [12.0, -0.75], [12.25, -0.85], [12.32, -0.82], [12.47, -0.47], [13.0, -0.25], [13.25, -0.35], [13.32, -0.32], [13.35, -0.25], [13.25, 0.0], [13.47, 0.53], [14.0, 0.75], [14.25, 0.65], [14.5, 0.75], [15.03, 0.53], [15.2, 0.13], [15.5, 0.25], [15.75, 0.15], [15.82, 0.18], [15.85, 0.25], [15.75, 0.5], [15.97, 1.03], [16.5, 1.25], [16.75, 1.15], [17.0, 1.25], [17.25, 1.15], [17.5, 1.25], [18.03, 1.03], [18.18, 0.68], [18.25, 0.65], [18.5, 0.75], [19.03, 0.53], [19.25, 0.0], [19.15, -0.25], [19.25, -0.5], [19.03, -1.03], [18.68, -1.18], [18.53, -1.53], [18.0, -1.75], [17.5, -1.54], [17.0, -1.75], [16.75, -1.65], [16.5, -1.75], [16.25, -1.65], [16.0, -1.75], [15.5, -1.54], [15.18, -1.68], [15.03, -2.03], [14.5, -2.25], [14.25, -2.15], [14.18, -2.18], [14.03, -2.53], [13.5, -2.75], [13.25, -2.65], [13.0, -2.75], [12.57, -2.57], [12.75, -3.0], [12.65, -3.25], [12.75, -3.5], [12.65, -3.75], [12.75, -4.0], [12.65, -4.25], [12.75, -4.5], [12.53, -5.03], [12.0, -5.25], [11.47, -5.03], [11.32, -4.68], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.25, -3.5], [10.35, -3.25], [10.32, -3.18], [10.25, -3.15], [10.0, -3.25], [9.47, -3.03], [9.32, -2.68], [8.97, -2.53], [8.75, -2.0]], [[12.18, -2.18], [12.15, -2.25], [12.18, -2.32], [12.43, -2.43], [12.32, -2.18], [12.25, -2.15], [12.18, -2.18]]]]}, "2019-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 0.53], [16.5, 0.75], [17.03, 0.53], [17.25, 0.0], [17.15, -0.25], [17.25, -0.5], [17.03, -1.03], [16.5, -1.25], [15.97, -1.03], [15.75, -0.5], [15.85, -0.25], [15.75, 0.0], [15.97, 0.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4607510801061494}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4788432767827497}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.883818492227817, 27.383209517477894, 26.831462228309306, 27.45784647601664]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.20076341115856, 28.416375677316182, 28.36687493122804, 27.601560937200304]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.327469783917063, 1.831181228246192, 1.2763460337837977, 1.5194620634144655]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.959249268917688, 2.4607510801061494, 1.8240541824980596, 1.5755563603445921]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5927168966307068, 2.232157965939985, 1.5819525264627456, 1.4881647931140485]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0671660770010396, 2.9736991008751774, 2.6215987238854597, 1.5573449994660657]}}