{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:30.719450", "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-Aug-13_to_2010-Aug-16_12.0_-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": 2010080002129}, "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": "August 13 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 16 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": 80327.3063439627}, "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", "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": -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": 12.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.0\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": 14.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "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": {"2010-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.0, -1.75], [12.53, -1.97], [12.75, -2.5], [12.53, -3.03], [12.0, -3.25], [11.47, -3.03], [11.25, -2.5], [11.47, -1.97], [12.0, -1.75]]]]}, "2010-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, -0.47], [9.5, -0.25], [10.03, -0.47], [10.18, -0.82], [10.53, -0.97], [10.68, -1.32], [10.75, -1.35], [11.0, -1.25], [11.3, -1.37], [11.35, -1.25], [11.25, -1.0], [11.35, -0.75], [11.25, -0.5], [11.47, 0.03], [12.0, 0.25], [12.53, 0.03], [12.68, -0.32], [12.75, -0.35], [13.0, -0.25], [13.25, -0.35], [13.5, -0.25], [14.03, -0.47], [14.18, -0.82], [14.53, -0.97], [14.75, -1.5], [14.65, -1.75], [14.75, -2.0], [14.65, -2.25], [14.75, -2.5], [14.53, -3.03], [14.0, -3.25], [13.75, -3.15], [13.5, -3.25], [13.25, -3.15], [13.0, -3.25], [12.75, -3.15], [12.5, -3.25], [12.25, -3.15], [12.0, -3.25], [11.75, -3.15], [11.5, -3.25], [10.97, -3.03], [10.82, -2.68], [10.75, -2.65], [10.5, -2.75], [10.25, -2.65], [10.0, -2.75], [9.47, -2.53], [9.32, -2.18], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.97, -0.47]]]]}, "2010-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, -0.47], [9.5, -0.25], [10.03, -0.47], [10.18, -0.82], [10.53, -0.97], [10.68, -1.32], [10.75, -1.35], [11.0, -1.25], [11.3, -1.37], [11.35, -1.25], [11.25, -1.0], [11.35, -0.75], [11.25, -0.5], [11.47, 0.03], [12.0, 0.25], [12.53, 0.03], [12.68, -0.32], [12.75, -0.35], [13.0, -0.25], [13.25, -0.35], [13.5, -0.25], [14.03, -0.47], [14.18, -0.82], [14.53, -0.97], [14.75, -1.5], [14.65, -1.75], [14.75, -2.0], [14.65, -2.25], [14.75, -2.5], [14.53, -3.03], [14.0, -3.25], [13.75, -3.15], [13.5, -3.25], [13.25, -3.15], [13.0, -3.25], [12.75, -3.15], [12.5, -3.25], [12.25, -3.15], [12.0, -3.25], [11.75, -3.15], [11.5, -3.25], [10.97, -3.03], [10.82, -2.68], [10.75, -2.65], [10.5, -2.75], [10.25, -2.65], [10.0, -2.75], [9.47, -2.53], [9.32, -2.18], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.97, -0.47]]]]}, "2010-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, -0.47], [9.5, -0.25], [10.03, -0.47], [10.18, -0.82], [10.53, -0.97], [10.68, -1.32], [10.75, -1.35], [11.0, -1.25], [11.3, -1.37], [11.35, -1.25], [11.25, -1.0], [11.35, -0.75], [11.25, -0.5], [11.47, 0.03], [12.0, 0.25], [12.53, 0.03], [12.68, -0.32], [12.75, -0.35], [13.0, -0.25], [13.25, -0.35], [13.5, -0.25], [14.03, -0.47], [14.18, -0.82], [14.53, -0.97], [14.75, -1.5], [14.65, -1.75], [14.75, -2.0], [14.65, -2.25], [14.75, -2.5], [14.53, -3.03], [14.0, -3.25], [13.75, -3.15], [13.5, -3.25], [13.25, -3.15], [13.0, -3.25], [12.75, -3.15], [12.5, -3.25], [12.25, -3.15], [12.0, -3.25], [11.75, -3.15], [11.5, -3.25], [10.97, -3.03], [10.82, -2.68], [10.75, -2.65], [10.5, -2.75], [10.25, -2.65], [10.0, -2.75], [9.47, -2.53], [9.32, -2.18], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.97, -0.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7611211919573293}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7409010578084936}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.91057311065572, 24.540076289020874, 25.23771671478147, 25.535074010884216]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.91057311065572, 25.940380878609687, 26.455528419357677, 27.32775174254931]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.075947535169405, 1.1890701568766444, 1.8802723228735572, 2.1789358291613983]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.075947535169405, 1.5654252707278715, 2.597875807334674, 2.7611211919573293]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.300272801653696, 1.440098613745699, 2.263608644045266, 2.576640063957685]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.300272801653696, 1.8386756145886078, 3.1638300519271967, 3.302795038236304]}}