{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:45.994421", "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": "2014-Jun-25_to_2014-Jun-29_23.0_-25.5"}, "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": 2014060002868}, "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": "June 25 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 53122.62840750856}, "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": ["Botswana", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.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": -25.5}, "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": 23.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -26.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -26.03], [22.25, -25.5], [22.47, -24.97], [23.0, -24.75], [23.53, -24.97], [23.75, -25.5], [23.53, -26.03], [23.0, -26.25], [22.47, -26.03]]], [[[24.97, -25.53], [24.75, -25.0], [24.97, -24.47], [25.5, -24.25], [26.03, -24.47], [26.25, -25.0], [26.03, -25.53], [25.5, -25.75], [24.97, -25.53]]]]}, "2014-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -24.47], [23.0, -24.25], [23.25, -24.35], [23.5, -24.25], [23.8, -24.37], [23.97, -23.97], [24.5, -23.75], [24.75, -23.85], [25.0, -23.75], [25.25, -23.85], [25.5, -23.75], [25.75, -23.85], [26.0, -23.75], [26.53, -23.97], [26.75, -24.5], [26.65, -24.75], [26.68, -24.82], [27.03, -24.97], [27.25, -25.5], [27.03, -26.03], [26.5, -26.25], [26.2, -26.12], [26.03, -26.53], [25.5, -26.75], [25.25, -26.65], [25.0, -26.75], [24.75, -26.65], [24.5, -26.75], [24.25, -26.65], [24.0, -26.75], [23.47, -26.53], [23.32, -26.18], [23.25, -26.15], [23.0, -26.25], [22.47, -26.03], [22.25, -25.5], [22.35, -25.25], [22.25, -25.0], [22.47, -24.47]]]]}, "2014-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -24.47], [23.0, -24.25], [23.25, -24.35], [23.5, -24.25], [23.8, -24.37], [23.97, -23.97], [24.5, -23.75], [24.75, -23.85], [25.0, -23.75], [25.25, -23.85], [25.5, -23.75], [25.75, -23.85], [26.0, -23.75], [26.53, -23.97], [26.75, -24.5], [26.65, -24.75], [26.68, -24.82], [27.03, -24.97], [27.25, -25.5], [27.03, -26.03], [26.5, -26.25], [26.2, -26.12], [26.03, -26.53], [25.5, -26.75], [25.25, -26.65], [25.0, -26.75], [24.75, -26.65], [24.5, -26.75], [24.25, -26.65], [24.0, -26.75], [23.47, -26.53], [23.32, -26.18], [23.25, -26.15], [23.0, -26.25], [22.47, -26.03], [22.25, -25.5], [22.35, -25.25], [22.25, -25.0], [22.47, -24.47]]]]}, "2014-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -24.47], [23.0, -24.25], [23.25, -24.35], [23.5, -24.25], [23.8, -24.37], [23.97, -23.97], [24.5, -23.75], [24.75, -23.85], [25.0, -23.75], [25.25, -23.85], [25.5, -23.75], [25.75, -23.85], [26.0, -23.75], [26.53, -23.97], [26.75, -24.5], [26.65, -24.75], [26.68, -24.82], [27.03, -24.97], [27.25, -25.5], [27.03, -26.03], [26.5, -26.25], [26.2, -26.12], [26.03, -26.53], [25.5, -26.75], [25.25, -26.65], [25.0, -26.75], [24.75, -26.65], [24.5, -26.75], [24.25, -26.65], [24.0, -26.75], [23.47, -26.53], [23.32, -26.18], [23.25, -26.15], [23.0, -26.25], [22.47, -26.03], [22.25, -25.5], [22.35, -25.25], [22.25, -25.0], [22.47, -24.47]]]]}, "2014-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -26.03], [22.25, -25.5], [22.47, -24.97], [23.0, -24.75], [23.25, -24.85], [23.5, -24.75], [24.0, -24.96], [24.5, -24.75], [25.03, -24.97], [25.18, -25.32], [25.53, -25.47], [25.75, -26.0], [25.53, -26.53], [25.0, -26.75], [24.75, -26.65], [24.5, -26.75], [24.25, -26.65], [24.0, -26.75], [23.47, -26.53], [23.32, -26.18], [23.25, -26.15], [23.0, -26.25], [22.47, -26.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.5308497501431475}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.097613228511035}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.54145711062688, 16.3271966581907, 15.912391808702978, 16.481554059328232, 15.893499430812028]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.3971111386262, 18.07950368987008, 16.84016619508901, 18.58196983806971, 17.227602357159924]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.133858734587335, 4.193329814383518, 3.827985135071177, 4.3669324883238625, 4.116740177708333]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.856562169618428, 4.986385701269853, 4.693050141664969, 5.5308497501431475, 4.642112575878514]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.373945428578816, 1.7656380484426015, 1.5498277540393866, 1.6940607115193842, 1.4787258290849818]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4962493816777707, 1.9855826561287004, 2.1911495089776385, 1.9753322432719065, 1.566552665583271]}}