{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:04.281197", "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": "2025-Dec-12_to_2025-Dec-15_296.5_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": 2025120001670}, "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": "December 12 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 15 2025"}, "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": 116367.01292772783}, "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": ["Martinique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": ["Caribbean Sea", "North Atlantic 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": 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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.0, 17.25], [-64.75, 17.15], [-64.5, 17.25], [-63.97, 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15.47], [-66.25, 16.0], [-66.03, 16.53], [-65.68, 16.68], [-65.53, 17.03], [-65.0, 17.25]], [[-64.75, 15.15], [-64.68, 15.18], [-64.65, 15.25], [-64.68, 15.32], [-64.75, 15.35], [-65.0, 15.25], [-64.75, 15.15]]]]}, "2025-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.0, 17.25], [-64.75, 17.15], [-64.5, 17.25], [-63.97, 17.03], [-63.75, 16.5], [-63.85, 16.25], [-63.82, 16.18], [-63.75, 16.15], [-63.68, 16.18], [-63.53, 16.53], [-63.0, 16.75], [-62.75, 16.65], [-62.5, 16.75], [-61.97, 16.53], [-61.82, 16.18], [-61.75, 16.15], [-61.5, 16.25], [-61.25, 16.15], [-61.0, 16.25], [-60.75, 16.15], [-60.5, 16.25], [-60.25, 16.15], [-60.0, 16.25], [-59.47, 16.03], [-59.32, 15.68], [-58.97, 15.53], [-58.75, 15.0], [-58.97, 14.47], [-59.32, 14.32], [-59.47, 13.97], [-60.0, 13.75], [-60.25, 13.85], [-60.5, 13.75], [-60.75, 13.85], [-61.0, 13.75], [-61.25, 13.85], [-61.32, 13.82], [-61.47, 13.47], [-62.0, 13.25], [-62.25, 13.35], [-62.5, 13.25], [-63.03, 13.47], [-63.18, 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duration", "value": 1.1792325085874609}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8308197575344312}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.12456467239946, 27.047288415370872, 27.04231131137942, 27.09487686157229]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.380367533365927, 27.283935801188193, 27.35397872924807, 27.12777481079104]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8791002043149186, 0.8082717262154364, 0.8219980472762711, 0.7021507168873029]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1792325085874609, 1.0216011027923173, 1.0583774196700233, 0.7231376203460513]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.664722342383479, 1.5199448987804165, 1.5365857445726927, 1.2922148878186432]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1609693107583765, 1.8071213812899745, 1.8965223414030616, 1.3273364384107864]}}