{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:37.785682", "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": "2020-Jan-12_to_2020-Jan-18_161.5_-8.5"}, "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": 2020010001684}, "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": "January 12 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 18 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 61151.08699033733}, "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": ["Solomon Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["Solomon Sea", "South Pacific 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": -8.5}, "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": 161.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "161.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 159.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 163.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[160.47, -6.97], [161.0, -6.75], [161.25, -6.85], [161.5, 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"coordinates": [[[[160.97, -7.97], [161.32, -7.82], [161.47, -7.47], [162.0, -7.25], [162.53, -7.47], [162.75, -8.0], [162.65, -8.25], [162.75, -8.5], [162.53, -9.03], [162.0, -9.25], [161.75, -9.15], [161.5, -9.25], [161.07, -9.07], [161.25, -9.5], [161.03, -10.03], [160.5, -10.25], [159.97, -10.03], [159.75, -9.5], [159.97, -8.97], [160.5, -8.75], [160.93, -8.93], [160.75, -8.5], [160.97, -7.97]]]]}, "2020-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.47, -10.03], [159.25, -9.5], [159.47, -8.97], [160.0, -8.75], [160.25, -8.85], [160.32, -8.82], [160.35, -8.75], [160.25, -8.5], [160.47, -7.97], [161.0, -7.75], [161.25, -7.85], [161.5, -7.75], [162.03, -7.97], [162.25, -8.5], [162.03, -9.03], [161.68, -9.18], [161.53, -9.53], [161.18, -9.68], [161.03, -10.03], [160.5, -10.25], [160.25, -10.15], [160.0, -10.25], [159.47, -10.03]]]]}, "2020-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.47, -10.03], [159.25, -9.5], [159.47, 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anomaly over entire duration", "value": 1.1666641779460019}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.59112566530871, 28.697104843667944, 28.86827331575506, 28.22914910027191, 27.40838316079771, 27.464190654752656, 27.57949888669117]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.847724530374308, 29.281088066909263, 29.381132035387907, 28.484584164021385, 28.447342521909206, 28.558517756111485, 28.592873514517635]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0442734407684071, 1.211576139644398, 1.393827988596135, 0.8716888146822726, 0.9681141730147942, 1.0312403880440797, 1.2123477009802741]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2596284562351912, 1.6723218873958103, 1.781658316683206, 0.9084856030019637, 1.1515055869352295, 1.4165089509018003, 1.6405575948240312]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7658229931673466, 2.0720309763614817, 2.3925808316811965, 1.5301004554065347, 1.6812168338087325, 1.7658178630767651, 1.9932529693682681]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1329766379866055, 3.0313796490422784, 3.042595003112785, 1.6296583674865794, 1.8780195178345143, 2.212063373388307, 2.287303950090044]}}