{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:52.424847", "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": "2016-Jul-08_to_2016-Jul-12_126.0_41.5"}, "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": 2016070001806}, "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": "July 08 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2016"}, "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": 80603.66582065451}, "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": ["China", "North Korea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": []}, "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": 41.5}, "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": 126.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "126.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 128.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.5, 41.25], [127.03, 41.03], [127.25, 40.5], [127.03, 39.97], [126.5, 39.75], [125.97, 39.97], [125.75, 40.5], [125.97, 41.03], [126.5, 41.25]]]]}, "2016-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, 40.97], [123.75, 41.5], [123.97, 42.03], [124.5, 42.25], [124.75, 42.15], [125.0, 42.25], [125.25, 42.15], [125.32, 42.18], [125.47, 42.53], [126.0, 42.75], [126.53, 42.53], [126.75, 42.0], [126.65, 41.75], [126.7, 41.63], [127.0, 41.75], [127.53, 41.53], [127.75, 41.0], [127.65, 40.75], [127.75, 40.5], [127.53, 39.97], [127.18, 39.82], [127.03, 39.47], [126.5, 39.25], [125.97, 39.47], [125.82, 39.82], [125.47, 39.97], [125.32, 40.32], [124.97, 40.47], [124.82, 40.82], [124.75, 40.85], [124.5, 40.75], [123.97, 40.97]]]]}, "2016-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, 40.97], [123.75, 41.5], [123.97, 42.03], [124.5, 42.25], [124.75, 42.15], [124.82, 42.18], [124.85, 42.25], [124.75, 42.5], [124.97, 43.03], [125.5, 43.25], [125.75, 43.15], [125.82, 43.18], [125.97, 43.53], [126.32, 43.68], [126.47, 44.03], [126.82, 44.18], [126.97, 44.53], [127.5, 44.75], [127.75, 44.65], [128.0, 44.75], [128.53, 44.53], [128.75, 44.0], [128.53, 43.47], [128.13, 43.3], [128.25, 43.0], [128.15, 42.75], [128.18, 42.68], [128.53, 42.53], [128.75, 42.0], [128.65, 41.75], [128.75, 41.5], [128.53, 40.97], [128.18, 40.82], [128.03, 40.47], [127.68, 40.32], [127.53, 39.97], [127.18, 39.82], [127.03, 39.47], [126.5, 39.25], [125.97, 39.47], [125.82, 39.82], [125.75, 39.85], [125.5, 39.75], [124.97, 39.97], [124.75, 40.5], [124.85, 40.75], [124.82, 40.82], [124.75, 40.85], [124.5, 40.75], [123.97, 40.97]]]]}, "2016-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, 40.97], [123.75, 41.5], [123.97, 42.03], [124.5, 42.25], [124.75, 42.15], [124.82, 42.18], [124.85, 42.25], [124.75, 42.5], [124.97, 43.03], [125.5, 43.25], [125.75, 43.15], [125.82, 43.18], [125.97, 43.53], [126.32, 43.68], [126.47, 44.03], [126.82, 44.18], [126.97, 44.53], [127.5, 44.75], [127.75, 44.65], [128.0, 44.75], [128.53, 44.53], [128.75, 44.0], [128.53, 43.47], [128.13, 43.3], [128.25, 43.0], [128.15, 42.75], [128.18, 42.68], [128.53, 42.53], [128.75, 42.0], [128.65, 41.75], [128.75, 41.5], [128.53, 40.97], [128.18, 40.82], [128.03, 40.47], [127.68, 40.32], [127.53, 39.97], [127.18, 39.82], [127.03, 39.47], [126.5, 39.25], [125.97, 39.47], [125.82, 39.82], [125.75, 39.85], [125.5, 39.75], [124.97, 39.97], [124.75, 40.5], [124.85, 40.75], [124.82, 40.82], [124.75, 40.85], [124.5, 40.75], [123.97, 40.97]]]]}, "2016-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 43.03], [125.5, 43.25], [125.75, 43.15], [125.82, 43.18], [125.97, 43.53], [126.32, 43.68], [126.47, 44.03], [126.82, 44.18], [126.97, 44.53], [127.5, 44.75], [127.75, 44.65], [128.0, 44.75], [128.53, 44.53], [128.75, 44.0], [128.53, 43.47], [128.13, 43.3], [128.25, 43.0], [128.15, 42.75], [128.18, 42.68], [128.53, 42.53], [128.75, 42.0], [128.65, 41.75], [128.75, 41.5], [128.53, 40.97], [128.18, 40.82], [128.03, 40.47], [127.5, 40.25], [127.25, 40.35], [127.13, 40.3], [127.25, 40.0], [127.03, 39.47], [126.5, 39.25], [125.97, 39.47], [125.8, 39.88], [125.5, 39.75], [124.97, 39.97], [124.75, 40.5], [124.97, 41.03], [125.32, 41.18], [125.35, 41.25], [125.32, 41.32], [124.97, 41.47], [124.75, 42.0], [124.85, 42.25], [124.75, 42.5], [124.97, 43.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.649479088377916}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.279824131386525}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.01599760514972, 23.870439101669376, 24.742357379146483, 24.535695940575295, 23.968145081839793]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.01599760514972, 25.589065020949533, 27.74729702612933, 27.40189831505387, 26.350573990249814]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5487290883439186, 2.8513125988411927, 3.6646017288779977, 3.392163651057647, 2.8412301432391756]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5487290883439186, 3.0705466865027233, 4.613684050571521, 4.649479088377916, 3.55552485083183]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4314487774195357, 1.5292577328956838, 1.8900990352120934, 1.7749742904894612, 1.4977975224015452]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4314487774195357, 1.6851351254148665, 2.3975147342826553, 2.139705862804952, 1.7308340940799507]}}