{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:25.800197", "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-Aug-26_to_2019-Aug-28_32.5_-23.5"}, "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": 2019080002843}, "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 26 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 28 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 51179.84565797619}, "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", "South Africa", "Zimbabwe"]}, "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": -23.5}, "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": 32.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -22.0], [30.47, -21.47], [30.82, -21.32], [30.97, -20.97], [31.5, -20.75], [32.03, -20.97], [32.25, -21.5], [32.15, -21.75], [32.18, -21.82], [32.25, -21.85], [32.5, -21.75], [33.03, -21.97], [33.25, -22.5], [33.15, -22.75], [33.18, -22.82], [33.25, -22.85], [33.5, -22.75], [34.03, -22.97], [34.25, -23.5], [34.15, -23.75], [34.25, -24.0], [34.15, -24.25], [34.25, -24.5], [34.03, -25.03], [33.5, -25.25], [32.97, -25.03], [32.82, -24.68], [32.75, -24.65], [32.5, -24.75], [31.97, -24.53], [31.82, -24.18], [31.47, -24.03], [31.3, -23.62], [31.0, -23.75], [30.75, -23.65], [30.5, -23.75], [29.97, -23.53], [29.75, -23.0], [29.97, -22.47], [30.32, -22.32], [30.35, -22.25], [30.25, -22.0]]]]}, "2019-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -22.0], [30.47, -21.47], [30.82, -21.32], [30.97, -20.97], [31.5, -20.75], [32.03, -20.97], [32.25, -21.5], [32.15, -21.75], [32.18, -21.82], [32.25, -21.85], [32.5, -21.75], [33.03, -21.97], [33.25, -22.5], [33.15, -22.75], [33.18, -22.82], [33.25, -22.85], [33.5, -22.75], [34.03, -22.97], [34.25, -23.5], [34.15, -23.75], [34.25, -24.0], [34.15, -24.25], [34.25, -24.5], [34.03, -25.03], [33.5, -25.25], [32.97, -25.03], [32.82, -24.68], [32.75, -24.65], [32.5, -24.75], [31.97, -24.53], [31.82, -24.18], [31.47, -24.03], [31.3, -23.62], [31.0, -23.75], [30.75, -23.65], [30.5, -23.75], [29.97, -23.53], [29.75, -23.0], [29.97, -22.47], [30.32, -22.32], [30.35, -22.25], [30.25, -22.0]]]]}, "2019-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -22.0], [30.47, -21.47], [30.82, -21.32], [30.97, -20.97], [31.5, -20.75], [32.03, -20.97], [32.25, -21.5], [32.15, -21.75], [32.18, -21.82], [32.25, -21.85], [32.5, -21.75], [33.03, -21.97], [33.25, -22.5], [33.15, -22.75], [33.18, -22.82], [33.25, -22.85], [33.5, -22.75], [34.03, -22.97], [34.25, -23.5], [34.15, -23.75], [34.25, -24.0], [34.15, -24.25], [34.25, -24.5], [34.03, -25.03], [33.5, -25.25], [32.97, -25.03], [32.82, -24.68], [32.75, -24.65], [32.5, -24.75], [31.97, -24.53], [31.82, -24.18], [31.47, -24.03], [31.3, -23.62], [31.0, -23.75], [30.75, -23.65], [30.5, -23.75], [29.97, -23.53], [29.75, -23.0], [29.97, -22.47], [30.32, -22.32], [30.35, -22.25], [30.25, -22.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.292545652572187}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.111574675350237}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.627806327947212, 26.204340595995575, 24.994111523768424]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.9090310587963, 26.903044307962034, 25.716919298893686]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.273551827983507, 4.724033644439803, 3.3371385536274007]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.292545652572187, 5.250419515062845, 3.82893912913039]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.884167558737546, 2.07972389743649, 1.459564156038648]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3311588384320587, 2.2610663069522547, 1.635907341828067]}}