{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:15.587519", "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": "2015-Jun-02_to_2015-Jun-06_57.5_-20.5"}, "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": 2015060001501}, "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 02 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 06 2015"}, "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": 80504.09467165882}, "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": ["Mauritius"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -20.5}, "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": 57.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "57.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 55.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 61.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.97, -21.53], [56.75, -21.0], [56.97, -20.47], [57.5, -20.25], [57.75, -20.35], [58.0, -20.25], [58.53, -20.47], [58.75, -21.0], [58.53, -21.53], [58.0, -21.75], [57.75, -21.65], [57.5, -21.75], [56.97, -21.53]]]]}, "2015-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.5, -19.75], [58.03, -19.97], [58.18, -20.32], [58.25, -20.35], [58.5, -20.25], [58.75, -20.35], [59.0, -20.25], [59.53, -20.47], [59.75, -21.0], [59.53, -21.53], [59.0, -21.75], [58.75, -21.65], [58.5, -21.75], [58.25, -21.65], [58.0, -21.75], [57.75, -21.65], [57.5, -21.75], [57.25, -21.65], [57.0, -21.75], [56.47, -21.53], [56.25, -21.0], [56.47, -20.47], [56.82, -20.32], [56.97, -19.97], [57.5, -19.75]]]]}, "2015-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, -21.03], [55.25, -20.5], [55.47, -19.97], [56.0, -19.75], [56.25, -19.85], [56.5, -19.75], [57.0, -19.96], [57.5, -19.75], [58.03, -19.97], [58.18, -20.32], [58.25, -20.35], [58.5, -20.25], [58.75, -20.35], [59.0, -20.25], [59.53, -20.47], [59.68, -20.82], [59.75, -20.85], [60.0, -20.75], [60.25, -20.85], [60.5, -20.75], [60.75, -20.85], [61.0, -20.75], [61.25, -20.85], [61.5, -20.75], [62.03, -20.97], [62.25, -21.5], [62.15, -21.75], [62.25, -22.0], [62.03, -22.53], [61.5, -22.75], [61.25, -22.65], [61.0, -22.75], [60.75, -22.65], [60.5, -22.75], [60.25, -22.65], [60.18, -22.68], [60.03, -23.03], [59.5, -23.25], [59.25, -23.15], [59.0, -23.25], [58.75, -23.15], [58.5, -23.25], [57.97, -23.03], [57.75, -22.5], [57.85, -22.25], [57.82, -22.18], [57.75, -22.15], [57.5, -22.25], [57.25, -22.15], [57.0, -22.25], [56.47, -22.03], [56.25, -21.5], [56.35, -21.25], [56.32, -21.18], [56.25, -21.15], [56.0, -21.25], [55.47, -21.03]]]]}, "2015-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.47, -21.03], [55.25, -20.5], [55.47, -19.97], [56.0, -19.75], [56.25, -19.85], [56.5, -19.75], [57.0, -19.96], [57.5, -19.75], [58.03, -19.97], [58.18, -20.32], [58.25, -20.35], [58.5, -20.25], [58.75, -20.35], [59.0, -20.25], [59.53, 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1.1891896388109746}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.66329682531358, 24.44836717734364, 24.38053786715517, 24.513299754100387, 24.467098184641827]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.729549636737204, 24.751952813644664, 24.881428825379942, 24.91650853299302, 24.781132752250073]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9273361738996471, 0.9911350741943181, 1.085490105790898, 1.2727563806529685, 1.2704665127577215]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9327458510537099, 1.095472133538692, 1.2569502968697748, 1.64499170727305, 1.9917491501248605]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2788064494530262, 1.3727589334289385, 1.4299441899260288, 1.6170132400671835, 1.6211251539712421]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2878245943425568, 1.4301026353454787, 1.6376481304890762, 2.031647121709391, 2.4505088551093577]}}