{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:58.529539", "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": "2017-Sep-17_to_2017-Sep-20_38.5_-14.5"}, "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": 2017090002087}, "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": "September 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 20 2017"}, "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": 65927.39618039553}, "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": ["Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -14.5}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -12.97], [36.5, -12.75], [36.75, -12.85], [37.0, -12.75], [37.53, -12.97], [37.7, -13.37], [37.82, -13.32], [37.97, -12.97], [38.5, -12.75], [38.75, -12.85], [39.0, -12.75], [39.53, -12.97], [39.75, -13.5], [39.65, -13.75], [39.68, -13.82], [40.03, -13.97], [40.25, -14.5], [40.03, -15.03], [39.5, -15.25], [39.25, -15.15], [39.18, -15.18], [39.03, -15.53], [38.5, -15.75], [38.25, -15.65], [38.0, -15.75], [37.75, -15.65], [37.5, -15.75], [37.25, -15.65], [37.0, -15.75], [36.47, -15.53], [36.32, -15.18], [36.25, -15.15], [36.0, -15.25], [35.47, -15.03], [35.25, -14.5], [35.47, -13.97], [35.88, -13.8], [35.75, -13.5], [35.97, -12.97]]]]}, "2017-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -12.97], [36.32, -12.82], [36.47, -12.47], [37.0, -12.25], [37.25, -12.35], [37.5, -12.25], [38.03, -12.47], [38.2, -12.87], [38.5, -12.75], [38.75, -12.85], [39.0, -12.75], [39.53, -12.97], [39.75, -13.5], [39.65, -13.75], [39.68, -13.82], [40.03, -13.97], [40.25, -14.5], [40.03, -15.03], [39.5, -15.25], [39.25, -15.15], [39.18, -15.18], [39.03, -15.53], [38.5, -15.75], [38.25, -15.65], [38.0, -15.75], [37.75, -15.65], [37.5, -15.75], [37.25, -15.65], [37.0, -15.75], [36.47, -15.53], [36.32, -15.18], [36.25, -15.15], [36.0, -15.25], [35.47, -15.03], [35.25, -14.5], [35.47, -13.97], [35.88, -13.8], [35.75, -13.5], [35.97, -12.97]]]]}, "2017-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -12.97], [36.32, -12.82], [36.47, -12.47], [37.0, -12.25], [37.25, -12.35], [37.5, -12.25], [38.03, -12.47], [38.2, -12.87], [38.5, -12.75], [38.75, -12.85], [39.0, -12.75], [39.53, -12.97], [39.75, -13.5], [39.65, -13.75], [39.68, -13.82], [40.03, -13.97], [40.25, -14.5], [40.03, -15.03], [39.5, -15.25], [39.25, -15.15], [39.18, -15.18], [39.03, -15.53], [38.5, -15.75], [38.25, -15.65], [38.0, -15.75], [37.75, -15.65], [37.5, -15.75], [37.25, -15.65], [37.0, -15.75], [36.47, -15.53], [36.32, -15.18], [36.25, -15.15], [36.0, -15.25], [35.47, -15.03], [35.25, -14.5], [35.47, -13.97], [35.88, -13.8], [35.75, -13.5], [35.97, -12.97]]]]}, "2017-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -12.97], [36.32, -12.82], [36.47, -12.47], [37.0, -12.25], [37.25, -12.35], [37.5, -12.25], [38.03, -12.47], [38.25, -13.0], [38.13, -13.3], [38.53, -13.47], [38.68, -13.82], [38.75, -13.85], [39.0, -13.75], [39.53, -13.97], [39.75, -14.5], [39.53, -15.03], [39.18, -15.18], [39.03, -15.53], [38.5, -15.75], [38.25, -15.65], [38.0, -15.75], [37.75, -15.65], [37.5, -15.75], [37.25, -15.65], [37.0, -15.75], [36.47, -15.53], [36.32, -15.18], [36.25, -15.15], [36.0, -15.25], [35.47, -15.03], [35.25, -14.5], [35.47, -13.97], [35.88, -13.8], [35.75, -13.5], [35.97, -12.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4699110802550877}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7635712553812737}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.526753576500937, 25.859572043985168, 25.879371600920535, 25.857757827040587]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.558860563092708, 27.1378995041469, 27.150888952316052, 27.02180126864789]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7209579874519698, 1.872986215917737, 1.7440576498158344, 1.6948549189868178]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3212656126146385, 2.4699110802550877, 2.2643629860805845, 2.1170743574301127]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4170350301183052, 1.64558038846968, 1.5868991585933379, 1.5370890724937671]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7683395042348924, 1.979257366561383, 1.9808541470248884, 1.7716928014252062]}}