{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:07.333482", "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-Aug-03_to_2014-Aug-05_32.5_-31.5"}, "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": 2014080001741}, "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 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 2014"}, "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": 69456.30761993675}, "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": ["South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Indian-Ocean"]}, "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": ["Indian 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": -31.5}, "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": 31.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -30.25], [31.25, -30.0], [31.35, -29.75], [31.25, -29.5], [31.38, -29.2], [30.97, -29.03], [30.75, -28.5], [30.97, -27.97], [31.5, -27.75], [31.75, -27.85], [32.0, -27.75], [32.53, -27.97], [32.68, -28.32], [32.75, -28.35], [33.0, -28.25], [33.25, -28.35], [33.5, -28.25], [34.03, -28.47], [34.25, -29.0], [34.15, -29.25], [34.25, -29.5], [34.15, -29.75], [34.25, -30.0], [34.15, -30.25], [34.18, -30.32], [34.53, -30.47], [34.75, -31.0], [34.65, -31.25], [34.75, -31.5], [34.53, -32.03], [34.0, -32.25], [33.75, -32.15], [33.5, -32.25], [33.25, -32.15], [33.0, -32.25], [32.75, -32.15], [32.5, -32.25], [31.97, -32.03], [31.82, -31.68], [31.47, -31.53], [31.25, -31.0], [31.35, -30.75], [31.25, -30.5], [31.35, -30.25]]]]}, "2014-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -30.25], [31.25, -30.0], [31.35, -29.75], [31.25, -29.5], [31.38, -29.2], [30.97, -29.03], [30.75, -28.5], [30.97, -27.97], [31.5, -27.75], [31.75, -27.85], [32.0, -27.75], [32.53, -27.97], [32.68, -28.32], [32.75, -28.35], [33.0, -28.25], [33.25, -28.35], [33.5, -28.25], [34.03, -28.47], [34.25, -29.0], [34.15, -29.25], [34.25, -29.5], [34.15, -29.75], [34.25, -30.0], [34.15, -30.25], [34.18, -30.32], [34.53, -30.47], [34.75, -31.0], [34.65, -31.25], [34.75, -31.5], [34.53, -32.03], [34.0, -32.25], [33.75, -32.15], [33.5, -32.25], [33.25, -32.15], [33.0, -32.25], [32.75, -32.15], [32.5, -32.25], [31.97, -32.03], [31.82, -31.68], [31.47, -31.53], [31.25, -31.0], [31.35, -30.75], [31.25, -30.5], [31.35, -30.25]]]]}, "2014-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -30.25], [31.25, -30.0], [31.35, -29.75], [31.25, -29.5], [31.38, -29.2], [30.97, -29.03], [30.75, -28.5], [30.97, -27.97], [31.5, -27.75], [31.75, -27.85], [32.0, -27.75], [32.53, -27.97], [32.68, -28.32], [32.75, -28.35], [33.0, -28.25], [33.25, -28.35], [33.5, -28.25], [34.03, -28.47], [34.25, -29.0], [34.15, -29.25], [34.25, -29.5], [34.15, -29.75], [34.25, -30.0], [34.15, -30.25], [34.18, -30.32], [34.53, -30.47], [34.75, -31.0], [34.65, -31.25], [34.75, -31.5], [34.53, -32.03], [34.0, -32.25], [33.75, -32.15], [33.5, -32.25], [33.25, -32.15], [33.0, -32.25], [32.75, -32.15], [32.5, -32.25], [31.97, -32.03], [31.82, -31.68], [31.47, -31.53], [31.25, -31.0], [31.35, -30.75], [31.25, -30.5], [31.35, -30.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.152097103937592}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0823236109661423}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.942948105359676, 22.13108425614371, 21.666737893690197]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.575391157640013, 23.086429679238506, 22.114289952489173]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.12240506266275, 2.2673388765998914, 1.8572268936357852]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.857692313704945, 4.152097103937592, 3.9698260496268745]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5387147560487204, 1.6448222332044256, 1.3004431320207044]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0024165648981085, 2.1317357898893126, 1.6188763844103882]}}