{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:28.041183", "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": "2013-May-21_to_2013-May-23_104.5_29.5"}, "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": 2013050002466}, "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": "May 21 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 23 2013"}, "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": 53394.20291966148}, "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"]}, "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": 29.5}, "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": 104.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 102.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 30.0], [102.47, 30.53], [102.82, 30.68], [102.97, 31.03], [103.32, 31.18], [103.35, 31.25], [103.25, 31.5], [103.47, 32.03], [103.82, 32.18], [103.97, 32.53], [104.5, 32.75], [104.75, 32.65], [105.0, 32.75], [105.53, 32.53], [105.75, 32.0], [105.65, 31.75], [105.75, 31.5], [105.53, 30.97], [105.18, 30.82], [105.15, 30.75], [105.25, 30.5], [105.15, 30.25], [105.25, 30.0], [105.15, 29.75], [105.25, 29.5], [105.15, 29.25], [105.25, 29.0], [105.15, 28.75], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.47, 27.97], [103.25, 28.5], [103.35, 28.75], [103.32, 28.82], [102.97, 28.97], [102.82, 29.32], [102.47, 29.47], [102.25, 30.0]]]]}, "2013-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 30.0], [102.47, 30.53], [102.82, 30.68], [102.97, 31.03], [103.32, 31.18], [103.35, 31.25], [103.25, 31.5], [103.47, 32.03], [103.82, 32.18], [103.97, 32.53], [104.5, 32.75], [104.75, 32.65], [105.0, 32.75], [105.53, 32.53], [105.75, 32.0], [105.65, 31.75], [105.75, 31.5], [105.53, 30.97], [105.18, 30.82], [105.15, 30.75], [105.25, 30.5], [105.15, 30.25], [105.25, 30.0], [105.15, 29.75], [105.25, 29.5], [105.15, 29.25], [105.25, 29.0], [105.15, 28.75], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.47, 27.97], [103.25, 28.5], [103.35, 28.75], [103.32, 28.82], [102.97, 28.97], [102.82, 29.32], [102.47, 29.47], [102.25, 30.0]]]]}, "2013-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 30.0], [102.47, 30.53], [102.82, 30.68], [102.97, 31.03], [103.32, 31.18], [103.35, 31.25], [103.25, 31.5], [103.47, 32.03], [103.82, 32.18], [103.97, 32.53], [104.5, 32.75], [104.75, 32.65], [105.0, 32.75], [105.53, 32.53], [105.75, 32.0], [105.65, 31.75], [105.75, 31.5], [105.53, 30.97], [105.18, 30.82], [105.15, 30.75], [105.25, 30.5], [105.15, 30.25], [105.25, 30.0], [105.15, 29.75], [105.25, 29.5], [105.15, 29.25], [105.25, 29.0], [105.15, 28.75], [105.25, 28.5], [105.03, 27.97], [104.5, 27.75], [104.25, 27.85], [104.0, 27.75], [103.47, 27.97], [103.25, 28.5], [103.35, 28.75], [103.32, 28.82], [102.97, 28.97], [102.82, 29.32], [102.47, 29.47], [102.25, 30.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.706668604366882}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.2214007819647845}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.17451430859137, 27.16558219233906, 27.093505465518604]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.701725117102853, 30.807905990416486, 30.750317586001415]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.567394914664615, 5.558689122218363, 5.5381183090113755]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.485490613333013, 7.706668604366882, 7.539062910499865]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5358598582527716, 1.9086137262463179, 2.023285017834449]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7676221076652647, 2.4103054598147593, 2.5445195247640457]}}