{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:43.291968", "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": "2017-Apr-10_to_2017-Apr-12_162.5_-9.0"}, "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": 2017040001691}, "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": "April 10 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 12 2017"}, "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": 76251.9040878548}, "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", "S.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": ["Coral Sea", "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": -9.0}, "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": 162.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "162.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 160.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 164.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "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": {"2017-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.0], [159.97, -8.47], [160.32, -8.32], [160.46, -8.0], [160.25, -7.5], [160.47, -6.97], [161.0, -6.75], [161.25, -6.85], [161.5, -6.75], [162.03, -6.97], [162.25, -7.5], [162.15, -7.75], [162.18, -7.82], [162.53, -7.97], [162.68, -8.32], [162.75, -8.35], [163.0, -8.25], [163.53, -8.47], [163.75, -9.0], [163.65, -9.25], [163.68, -9.32], [163.75, -9.35], [164.0, -9.25], [164.25, -9.35], [164.5, -9.25], [165.03, -9.47], [165.25, -10.0], [165.15, -10.25], [165.25, -10.5], [165.15, -10.75], [165.25, -11.0], [165.03, -11.53], [164.5, -11.75], [163.97, -11.53], [163.82, -11.18], [163.75, -11.15], [163.5, -11.25], [162.97, -11.03], [162.82, -10.68], [162.47, -10.53], [162.32, -10.18], [162.25, -10.15], [162.0, -10.25], [161.75, -10.15], [161.5, -10.25], [161.25, -10.15], [161.0, -10.25], [160.47, -10.03], [160.32, -9.68], [159.97, -9.53], [159.75, -9.0]]]]}, "2017-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.0], [159.97, -8.47], [160.32, -8.32], [160.46, -8.0], [160.25, -7.5], [160.47, -6.97], [161.0, -6.75], [161.25, -6.85], [161.5, -6.75], [162.03, -6.97], [162.25, -7.5], [162.15, -7.75], [162.18, -7.82], [162.53, -7.97], [162.68, -8.32], [162.75, -8.35], [163.0, -8.25], [163.53, -8.47], [163.75, -9.0], [163.65, -9.25], [163.68, -9.32], [163.75, -9.35], [164.0, -9.25], [164.25, -9.35], [164.5, -9.25], [165.03, -9.47], [165.25, -10.0], [165.15, -10.25], [165.25, -10.5], [165.15, -10.75], [165.25, -11.0], [165.03, -11.53], [164.5, -11.75], [163.97, -11.53], [163.82, -11.18], [163.75, -11.15], [163.5, -11.25], [162.97, -11.03], [162.82, -10.68], [162.47, -10.53], [162.32, -10.18], [162.25, -10.15], [162.0, -10.25], [161.75, -10.15], [161.5, -10.25], [161.25, -10.15], [161.0, -10.25], [160.47, -10.03], [160.32, -9.68], [159.97, -9.53], [159.75, -9.0]]]]}, "2017-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.0], [159.97, -8.47], [160.32, -8.32], [160.46, -8.0], [160.25, -7.5], [160.47, -6.97], [161.0, -6.75], [161.25, -6.85], [161.5, -6.75], [162.03, -6.97], [162.25, -7.5], [162.15, -7.75], [162.18, -7.82], [162.53, -7.97], [162.68, -8.32], [162.75, -8.35], [163.0, -8.25], [163.53, -8.47], [163.75, -9.0], [163.65, -9.25], [163.68, -9.32], [163.75, -9.35], [164.0, -9.25], [164.25, -9.35], [164.5, -9.25], [165.03, -9.47], [165.25, -10.0], [165.15, -10.25], [165.25, -10.5], [165.15, -10.75], [165.25, -11.0], [165.03, -11.53], [164.5, -11.75], [163.97, -11.53], [163.82, -11.18], [163.75, -11.15], [163.5, -11.25], [162.97, -11.03], [162.82, -10.68], [162.47, -10.53], [162.32, -10.18], [162.25, -10.15], [162.0, -10.25], [161.75, -10.15], [161.5, -10.25], [161.25, -10.15], [161.0, -10.25], [160.47, -10.03], [160.32, -9.68], [159.97, -9.53], [159.75, -9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.762417200647917}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1140538272226392}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.2133209041466, 28.582439352625045, 28.132480769456038]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.719200193003758, 29.090807101804444, 28.46061877211963]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.018591001544114, 1.3797242464765826, 0.9438462336472208]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3874289737366325, 1.762417200647917, 1.318507470137888]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.052539025133945, 2.6859884405906564, 1.8035882681471562]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7725421477847716, 3.3885757043527978, 2.8002141994962577]}}