{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:31.721214", "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-18_to_2010-Aug-23_21.5_13.5"}, "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": 2010080002382}, "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 18 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 129703.62386207504}, "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": ["Chad", "Sudan"]}, "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": 13.5}, "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": 21.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "21.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.47, 13.47], [20.25, 14.0], [20.47, 14.53], [21.0, 14.75], [21.25, 14.65], [21.5, 14.75], [22.03, 14.53], [22.25, 14.0], [22.03, 13.47], [21.5, 13.25], [21.25, 13.35], [21.0, 13.25], [20.47, 13.47]]]]}, "2010-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.47, 13.47], [20.25, 14.0], [20.47, 14.53], [21.0, 14.75], [21.25, 14.65], [21.5, 14.75], [22.03, 14.53], [22.25, 14.0], [22.03, 13.47], [21.5, 13.25], [21.25, 13.35], [21.0, 13.25], [20.47, 13.47]]]]}, "2010-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, 13.0], [16.47, 13.53], [17.0, 13.75], [17.25, 13.65], [17.5, 13.75], [18.03, 13.53], [18.18, 13.18], [18.53, 13.03], [18.75, 12.5], [18.53, 11.97], [18.0, 11.75], [17.47, 11.97], [17.32, 12.32], [17.25, 12.35], [17.0, 12.25], [16.47, 12.47], [16.25, 13.0]]], [[[19.82, 12.68], [19.85, 12.75], [19.82, 12.82], [19.47, 12.97], [19.25, 13.5], [19.47, 14.03], [19.82, 14.18], [19.97, 14.53], [20.5, 14.75], [20.75, 14.65], [21.0, 14.75], [21.25, 14.65], [21.5, 14.75], [22.03, 14.53], [22.25, 14.0], [22.15, 13.75], [22.18, 13.68], [22.53, 13.53], [22.68, 13.18], [22.75, 13.15], [23.0, 13.25], [23.53, 13.03], [23.68, 12.68], [24.03, 12.53], [24.25, 12.0], [24.15, 11.75], [24.25, 11.5], [24.03, 10.97], [23.5, 10.75], [23.25, 10.85], [23.0, 10.75], [22.47, 10.97], [22.32, 11.32], [21.97, 11.47], [21.82, 11.82], [21.75, 11.85], [21.68, 11.82], [21.65, 11.75], [21.75, 11.5], [21.53, 10.97], [21.0, 10.75], [20.75, 10.85], [20.5, 10.75], [20.25, 10.85], [20.0, 10.75], [19.47, 10.97], [19.25, 11.5], [19.35, 11.75], [19.25, 12.0], [19.47, 12.53], [19.82, 12.68]]]]}, "2010-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.35, 13.25], [16.25, 13.5], [16.47, 14.03], [17.0, 14.25], [17.53, 14.03], [17.68, 13.68], [17.75, 13.65], [18.0, 13.75], [18.53, 13.53], [18.68, 13.18], [18.75, 13.15], [19.0, 13.25], [19.25, 13.15], [19.32, 13.18], [19.35, 13.25], [19.25, 13.5], [19.47, 14.03], [19.82, 14.18], [19.97, 14.53], [20.5, 14.75], [21.03, 14.53], [21.18, 14.18], [21.25, 14.15], [21.5, 14.25], [22.03, 14.03], [22.18, 13.68], [22.53, 13.53], [22.68, 13.18], [22.75, 13.15], [23.0, 13.25], [23.25, 13.15], [23.5, 13.25], [24.03, 13.03], [24.25, 12.5], [24.15, 12.25], [24.25, 12.0], [24.15, 11.75], [24.25, 11.5], [24.03, 10.97], [23.5, 10.75], [23.25, 10.85], [23.0, 10.75], [22.47, 10.97], [22.32, 11.32], [21.97, 11.47], [21.82, 11.82], [21.75, 11.85], [21.68, 11.82], [21.65, 11.75], [21.75, 11.5], [21.53, 10.97], [21.0, 10.75], [20.75, 10.85], [20.5, 10.75], [20.25, 10.85], [20.0, 10.75], [19.47, 10.97], [19.3, 11.38], [19.0, 11.25], [18.75, 11.35], [18.5, 11.25], [17.97, 11.47], [17.82, 11.82], [17.75, 11.85], [17.5, 11.75], [17.25, 11.85], [17.0, 11.75], [16.47, 11.97], [16.25, 12.5], [16.35, 12.75], [16.25, 13.0], [16.35, 13.25]]]]}, "2010-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.35, 13.25], [16.25, 13.5], [16.47, 14.03], [17.0, 14.25], [17.53, 14.03], [17.68, 13.68], [17.75, 13.65], [18.0, 13.75], [18.53, 13.53], [18.68, 13.18], [18.75, 13.15], [19.0, 13.25], [19.25, 13.15], [19.32, 13.18], [19.35, 13.25], [19.25, 13.5], [19.47, 14.03], [19.82, 14.18], [19.97, 14.53], [20.5, 14.75], [21.03, 14.53], [21.18, 14.18], [21.25, 14.15], [21.5, 14.25], [22.03, 14.03], [22.18, 13.68], [22.53, 13.53], [22.68, 13.18], [22.75, 13.15], [23.0, 13.25], [23.25, 13.15], [23.5, 13.25], [24.03, 13.03], [24.25, 12.5], [24.15, 12.25], [24.25, 12.0], [24.15, 11.75], [24.25, 11.5], [24.03, 10.97], [23.5, 10.75], [23.25, 10.85], [23.0, 10.75], [22.47, 10.97], [22.32, 11.32], [21.97, 11.47], [21.82, 11.82], [21.75, 11.85], [21.68, 11.82], [21.65, 11.75], [21.75, 11.5], [21.53, 10.97], [21.0, 10.75], [20.75, 10.85], [20.5, 10.75], [20.25, 10.85], [20.0, 10.75], [19.47, 10.97], [19.3, 11.38], [19.0, 11.25], [18.75, 11.35], [18.5, 11.25], [17.97, 11.47], [17.82, 11.82], [17.75, 11.85], [17.5, 11.75], [17.25, 11.85], [17.0, 11.75], [16.47, 11.97], [16.25, 12.5], [16.35, 12.75], [16.25, 13.0], [16.35, 13.25]]]]}, "2010-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.35, 13.25], [16.25, 13.5], [16.47, 14.03], [17.0, 14.25], [17.53, 14.03], [17.68, 13.68], [17.75, 13.65], [18.0, 13.75], [18.53, 13.53], [18.68, 13.18], [18.75, 13.15], [19.0, 13.25], [19.25, 13.15], [19.32, 13.18], [19.35, 13.25], [19.25, 13.5], [19.47, 14.03], [19.82, 14.18], [19.97, 14.53], [20.5, 14.75], [21.03, 14.53], [21.18, 14.18], [21.25, 14.15], [21.5, 14.25], [22.03, 14.03], [22.18, 13.68], [22.53, 13.53], [22.68, 13.18], [22.75, 13.15], [23.0, 13.25], [23.25, 13.15], [23.5, 13.25], [24.03, 13.03], [24.25, 12.5], [24.03, 11.97], [23.5, 11.75], [23.25, 11.85], [23.0, 11.75], [22.75, 11.85], [22.5, 11.75], [21.97, 11.97], [21.82, 12.32], [21.75, 12.35], [21.68, 12.32], [21.53, 11.97], [21.0, 11.75], [20.75, 11.85], [20.5, 11.75], [20.25, 11.85], [20.0, 11.75], [19.75, 11.85], [19.68, 11.82], [19.53, 11.47], [19.0, 11.25], [18.75, 11.35], [18.5, 11.25], [17.97, 11.47], [17.82, 11.82], [17.75, 11.85], [17.5, 11.75], [17.25, 11.85], [17.0, 11.75], [16.47, 11.97], [16.25, 12.5], [16.35, 12.75], [16.25, 13.0], [16.35, 13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.392181369146556}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7717192903179768}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.031658380546446, 26.221041445262358, 26.816267494672047, 27.183427560143627, 27.565644665891284, 27.91108407107123]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.57642357706095, 26.875250535487226, 29.150735094111212, 29.53817729328165, 31.14110811815135, 30.96498290113516]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.036361231133071, 1.2145545314179174, 1.4931551016310305, 1.634089811989062, 1.992022528241113, 1.9799661239644837]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0748465863719616, 1.278832421330037, 1.9643606430457226, 2.0701887183922736, 3.392181369146556, 3.0845764117917724]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.2972585416880436, 1.2729630065516715, 1.626646300876514, 1.6895842867951116, 2.030618267475905, 1.891349968173458]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.446513269750318, 1.2829154514050758, 2.0742841081068297, 2.180270239698864, 2.8763080851159217, 2.4564419282352326]}}