{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:44.264355", "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": "2010-Sep-11_to_2010-Sep-17_190.0_-49.0"}, "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": 2010090002037}, "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": "September 11 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 17 2010"}, "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": 144137.25484308333}, "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": ["New Zealand"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["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": -49.0}, "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": 190.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "190.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 181.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 191.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -49.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -43.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-170.03, -48.53], [-170.25, -48.0], [-170.03, -47.47], [-169.5, -47.25], [-168.97, -47.47], [-168.75, -48.0], [-168.97, -48.53], [-169.5, -48.75], [-170.03, -48.53]]], [[[-179.03, -44.03], [-179.25, -43.5], [-179.03, -42.97], [-178.5, -42.75], [-177.97, -42.97], [-177.75, -43.5], [-177.97, -44.03], [-178.5, -44.25], [-179.03, -44.03]]]]}, "2010-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-179.03, -44.03], [-179.25, -43.5], [-179.03, -42.97], [-178.5, -42.75], [-178.25, -42.85], [-178.0, -42.75], [-177.75, -42.85], [-177.5, -42.75], [-177.25, -42.85], [-177.0, -42.75], [-176.47, -42.97], [-176.32, -43.32], [-175.97, -43.47], [-175.82, -43.82], [-175.47, -43.97], [-175.32, -44.32], [-175.25, -44.35], [-175.0, -44.25], [-174.75, -44.35], [-174.5, -44.25], [-174.25, -44.35], [-174.0, -44.25], [-173.75, -44.35], [-173.5, -44.25], [-173.25, -44.35], [-173.0, -44.25], [-172.47, -44.47], [-172.32, -44.82], [-171.97, -44.97], [-171.82, -45.32], [-171.75, -45.35], [-171.5, -45.25], [-170.97, -45.47], [-170.82, -45.82], [-170.75, -45.85], [-170.5, -45.75], [-169.97, -45.97], [-169.75, -46.5], [-169.85, -46.75], [-169.82, -46.82], [-169.47, -46.97], [-169.32, -47.32], [-169.25, -47.35], [-169.0, -47.25], [-168.47, -47.47], [-168.25, -48.0], [-168.35, -48.25], [-168.25, -48.5], [-168.35, -48.75], [-168.25, -49.0], [-168.47, -49.53], [-169.0, -49.75], [-169.25, -49.65], [-169.5, -49.75], [-169.75, -49.65], [-170.0, -49.75], [-170.25, -49.65], [-170.5, -49.75], [-171.03, -49.53], [-171.18, -49.18], [-171.53, -49.03], [-171.68, -48.68], [-171.75, -48.65], [-172.0, -48.75], [-172.53, -48.53], [-172.68, -48.18], [-172.75, -48.15], [-172.82, -48.18], [-172.97, -48.53], [-173.5, -48.75], [-174.03, -48.53], [-174.25, -48.0], [-174.15, -47.75], [-174.25, -47.5], [-174.15, -47.25], [-174.25, -47.0], [-174.07, -46.57], [-174.5, -46.75], [-175.03, -46.53], [-175.18, -46.18], [-175.53, -46.03], [-175.68, -45.68], [-176.03, -45.53], [-176.18, -45.18], [-176.25, -45.15], [-176.5, -45.25], [-177.03, -45.03], [-177.18, -44.68], [-177.25, -44.65], [-177.5, -44.75], [-178.03, -44.53], [-178.18, -44.18], [-178.25, -44.15], [-178.5, -44.25], [-179.03, -44.03]]]]}, "2010-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-179.03, -44.03], [-179.25, -43.5], [-179.03, -42.97], [-178.5, -42.75], [-178.25, -42.85], [-178.0, -42.75], [-177.75, -42.85], [-177.5, -42.75], [-177.25, -42.85], [-177.0, -42.75], [-176.47, -42.97], [-176.32, -43.32], [-175.97, -43.47], [-175.82, -43.82], [-175.47, -43.97], [-175.32, -44.32], [-175.25, -44.35], [-175.0, -44.25], [-174.75, -44.35], [-174.5, -44.25], [-174.25, -44.35], [-174.0, -44.25], [-173.75, -44.35], [-173.5, -44.25], [-173.25, -44.35], [-173.0, -44.25], [-172.47, -44.47], [-172.32, -44.82], [-171.97, -44.97], [-171.82, -45.32], [-171.75, -45.35], [-171.5, -45.25], [-170.97, -45.47], [-170.82, -45.82], [-170.75, -45.85], [-170.5, -45.75], [-169.97, -45.97], [-169.75, -46.5], [-169.85, -46.75], [-169.82, -46.82], [-169.47, -46.97], [-169.32, -47.32], [-169.25, -47.35], [-169.0, -47.25], [-168.47, -47.47], [-168.25, -48.0], [-168.35, -48.25], [-168.25, -48.5], [-168.35, -48.75], [-168.25, -49.0], [-168.47, -49.53], [-169.0, -49.75], [-169.25, -49.65], [-169.5, -49.75], [-169.75, -49.65], [-170.0, -49.75], [-170.25, -49.65], [-170.5, -49.75], [-171.03, -49.53], [-171.18, -49.18], [-171.53, -49.03], [-171.68, -48.68], [-171.75, -48.65], [-172.0, -48.75], [-172.53, -48.53], [-172.68, -48.18], [-172.75, -48.15], [-172.82, -48.18], [-172.97, -48.53], [-173.5, -48.75], [-174.03, -48.53], [-174.25, -48.0], [-174.15, -47.75], [-174.25, -47.5], [-174.15, -47.25], [-174.25, -47.0], [-174.07, -46.57], [-174.5, -46.75], [-175.03, -46.53], [-175.18, -46.18], [-175.53, -46.03], [-175.68, -45.68], [-176.03, -45.53], [-176.18, -45.18], [-176.25, -45.15], [-176.5, -45.25], [-177.03, -45.03], [-177.18, -44.68], [-177.25, -44.65], [-177.5, -44.75], [-178.03, -44.53], [-178.18, -44.18], [-178.25, -44.15], [-178.5, -44.25], [-179.03, -44.03]]]]}, "2010-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-179.03, -44.03], [-179.25, -43.5], [-179.03, -42.97], [-178.5, -42.75], [-178.25, -42.85], [-178.0, -42.75], [-177.75, -42.85], [-177.5, -42.75], [-177.25, -42.85], [-177.0, -42.75], [-176.47, -42.97], [-176.32, -43.32], [-175.97, -43.47], [-175.82, -43.82], [-175.47, -43.97], [-175.32, -44.32], [-175.25, -44.35], [-175.0, -44.25], [-174.75, -44.35], [-174.5, -44.25], [-174.25, -44.35], [-174.0, -44.25], [-173.75, -44.35], [-173.5, -44.25], [-173.25, -44.35], [-173.0, -44.25], [-172.47, -44.47], [-172.32, -44.82], [-171.97, -44.97], [-171.82, -45.32], [-171.75, -45.35], [-171.5, -45.25], [-170.97, -45.47], [-170.82, -45.82], [-170.75, -45.85], [-170.5, -45.75], [-169.97, -45.97], [-169.75, -46.5], [-169.85, -46.75], [-169.82, -46.82], [-169.47, -46.97], [-169.32, -47.32], [-169.25, -47.35], [-169.0, -47.25], [-168.47, -47.47], [-168.25, -48.0], [-168.35, -48.25], [-168.25, -48.5], [-168.35, -48.75], [-168.25, -49.0], [-168.47, -49.53], [-169.0, -49.75], [-169.25, -49.65], [-169.32, -49.68], [-169.47, -50.03], [-170.0, -50.25], [-170.53, -50.03], [-170.68, -49.68], [-171.03, -49.53], [-171.18, -49.18], [-171.53, -49.03], [-171.68, -48.68], [-171.75, -48.65], [-172.0, -48.75], [-172.53, -48.53], [-172.68, -48.18], [-172.75, -48.15], [-172.82, -48.18], [-172.97, -48.53], [-173.5, -48.75], [-174.03, -48.53], [-174.25, -48.0], [-174.15, -47.75], [-174.25, -47.5], [-174.15, -47.25], [-174.25, -47.0], [-174.07, -46.57], [-174.5, -46.75], [-175.03, -46.53], [-175.18, -46.18], [-175.53, -46.03], [-175.68, -45.68], [-176.03, -45.53], [-176.18, -45.18], [-176.25, -45.15], [-176.5, -45.25], [-177.03, -45.03], [-177.18, -44.68], [-177.25, -44.65], [-177.5, -44.75], [-178.03, -44.53], [-178.18, -44.18], [-178.25, -44.15], [-178.5, -44.25], [-179.03, -44.03]]]]}, "2010-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-171.0, -48.25], [-170.75, -48.35], [-170.5, -48.25], [-170.25, -48.35], [-170.0, -48.25], [-169.75, -48.35], [-169.5, -48.25], [-168.97, -48.47], [-168.75, -49.0], [-168.97, -49.53], [-169.32, -49.68], [-169.47, -50.03], [-170.0, -50.25], [-170.25, -50.15], [-170.5, -50.25], [-170.75, -50.15], [-171.0, -50.25], [-171.53, -50.03], [-171.75, -49.5], [-171.65, -49.25], [-171.75, -49.0], [-171.53, -48.47], [-171.0, -48.25]]], [[[-173.5, -46.25], [-173.25, -46.35], [-173.0, -46.25], [-172.75, -46.35], [-172.5, -46.25], [-171.97, -46.47], [-171.75, -47.0], [-171.85, -47.25], [-171.75, -47.5], [-171.97, -48.03], [-172.5, -48.25], [-172.75, -48.15], [-173.0, -48.25], [-173.25, -48.15], [-173.5, -48.25], [-174.03, -48.03], [-174.25, -47.5], [-174.15, -47.25], [-174.25, -47.0], [-174.03, -46.47], [-173.5, -46.25]]]]}, "2010-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-171.0, -48.25], [-170.75, -48.35], [-170.5, -48.25], [-170.25, -48.35], [-170.0, -48.25], [-169.75, -48.35], [-169.5, -48.25], [-168.97, -48.47], [-168.75, -49.0], [-168.97, -49.53], [-169.32, -49.68], [-169.47, -50.03], [-170.0, -50.25], [-170.25, -50.15], [-170.5, -50.25], [-170.75, -50.15], [-171.0, -50.25], [-171.53, -50.03], [-171.75, -49.5], [-171.65, -49.25], [-171.75, -49.0], [-171.53, -48.47], [-171.0, -48.25]]], [[[-172.5, -46.25], [-171.97, -46.47], [-171.75, -47.0], [-171.85, -47.25], [-171.75, -47.5], [-171.97, -48.03], [-172.5, -48.25], [-173.03, -48.03], [-173.25, -47.5], [-173.15, -47.25], [-173.25, -47.0], [-173.03, -46.47], [-172.5, -46.25]]]]}, "2010-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-171.0, -48.25], [-170.75, -48.35], [-170.5, -48.25], [-170.25, -48.35], [-170.0, -48.25], [-169.75, -48.35], [-169.5, -48.25], [-168.97, -48.47], [-168.75, -49.0], [-168.97, -49.53], [-169.32, -49.68], [-169.47, -50.03], [-170.0, -50.25], [-170.25, -50.15], [-170.5, -50.25], [-170.75, -50.15], [-171.0, -50.25], [-171.53, -50.03], [-171.75, -49.5], [-171.65, -49.25], [-171.75, -49.0], [-171.53, -48.47], [-171.0, -48.25]]], [[[-172.5, -46.25], [-171.97, -46.47], [-171.75, -47.0], [-171.85, -47.25], [-171.75, -47.5], [-171.97, -48.03], [-172.5, -48.25], [-173.03, -48.03], [-173.25, -47.5], [-173.15, -47.25], [-173.25, -47.0], [-173.03, -46.47], [-172.5, -46.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9611714692679243}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1763962693547354}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.44500627964618, 11.785831426864775, 11.472956643496332, 11.340290092991438, 10.504168114297215, 10.36229146228743, 10.721977384126319]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.365953421027086, 13.223514580122412, 12.628552490495679, 12.568237381886036, 11.023981624638964, 10.982091758085119, 11.059493522789012]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9176830559473785, 2.4962660729432073, 2.092374616314612, 1.9805146946810754, 1.9491785075144803, 2.0594471555925917, 2.4165984997203953]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0407486310906506, 2.9611714692679243, 2.3623032514976217, 2.214739652898402, 2.154252253026641, 2.1849046166760786, 2.692758989705908]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2683627778189677, 1.670750240552255, 1.3828571698238505, 1.280965512417483, 1.2629873198242285, 1.3127721537515464, 1.559617153042675]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2735452328757262, 1.9253333534095018, 1.553047648949774, 1.3929848791643609, 1.3485787745131859, 1.394980328751129, 1.740898550968201]}}