{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:17.018567", "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-Nov-29_to_2010-Dec-01_122.0_36.0"}, "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": 2010110002477}, "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": "November 29 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 01 2010"}, "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": 97645.58132186419}, "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": ["Yellow Sea"]}, "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": 36.0}, "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": 122.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 36.03], [119.82, 36.18], [119.97, 36.53], [120.5, 36.75], [120.75, 36.65], [120.82, 36.68], [120.97, 37.03], [121.32, 37.18], [121.47, 37.53], [122.0, 37.75], [122.25, 37.65], [122.32, 37.68], [122.47, 38.03], [123.0, 38.25], [123.25, 38.15], [123.5, 38.25], [124.03, 38.03], [124.18, 37.68], [124.53, 37.53], [124.75, 37.0], [124.65, 36.75], [124.75, 36.5], [124.65, 36.25], [124.75, 36.0], [124.65, 35.75], [124.75, 35.5], [124.65, 35.25], [124.75, 35.0], [124.53, 34.47], [124.18, 34.32], [124.03, 33.97], [123.5, 33.75], [123.25, 33.85], [123.0, 33.75], [122.75, 33.85], [122.5, 33.75], [121.97, 33.97], [121.75, 34.5], [121.85, 34.75], [121.82, 34.82], [121.75, 34.85], [121.5, 34.75], [121.25, 34.85], [121.18, 34.82], [121.03, 34.47], [120.5, 34.25], [120.25, 34.35], [120.0, 34.25], [119.47, 34.47], [119.25, 35.0], [119.35, 35.25], [119.25, 35.5], [119.47, 36.03]]]]}, "2010-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 36.03], [119.82, 36.18], [119.97, 36.53], [120.5, 36.75], [120.75, 36.65], [120.82, 36.68], [120.97, 37.03], [121.32, 37.18], [121.47, 37.53], [122.0, 37.75], [122.25, 37.65], [122.32, 37.68], [122.47, 38.03], [123.0, 38.25], [123.25, 38.15], [123.5, 38.25], [124.03, 38.03], [124.18, 37.68], [124.53, 37.53], [124.75, 37.0], [124.65, 36.75], [124.75, 36.5], [124.65, 36.25], [124.75, 36.0], [124.65, 35.75], [124.75, 35.5], [124.65, 35.25], [124.75, 35.0], [124.53, 34.47], [124.18, 34.32], [124.03, 33.97], [123.5, 33.75], [123.25, 33.85], [123.0, 33.75], [122.75, 33.85], [122.5, 33.75], [121.97, 33.97], [121.75, 34.5], [121.85, 34.75], [121.82, 34.82], [121.75, 34.85], [121.5, 34.75], [121.25, 34.85], [121.18, 34.82], [121.03, 34.47], [120.5, 34.25], [120.25, 34.35], [120.0, 34.25], [119.47, 34.47], [119.25, 35.0], [119.35, 35.25], [119.25, 35.5], [119.47, 36.03]]]]}, "2010-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 36.03], [119.82, 36.18], [119.97, 36.53], [120.5, 36.75], [120.75, 36.65], [120.82, 36.68], [120.97, 37.03], [121.32, 37.18], [121.47, 37.53], [122.0, 37.75], [122.25, 37.65], [122.32, 37.68], [122.47, 38.03], [123.0, 38.25], [123.25, 38.15], [123.5, 38.25], [124.03, 38.03], [124.18, 37.68], [124.53, 37.53], [124.75, 37.0], [124.65, 36.75], [124.75, 36.5], [124.65, 36.25], [124.75, 36.0], [124.65, 35.75], [124.75, 35.5], [124.65, 35.25], [124.75, 35.0], [124.53, 34.47], [124.18, 34.32], [124.03, 33.97], [123.5, 33.75], [123.25, 33.85], [123.0, 33.75], [122.75, 33.85], [122.5, 33.75], [121.97, 33.97], [121.75, 34.5], [121.85, 34.75], [121.82, 34.82], [121.75, 34.85], [121.5, 34.75], [121.25, 34.85], [121.18, 34.82], [121.03, 34.47], [120.5, 34.25], [120.25, 34.35], [120.0, 34.25], [119.47, 34.47], [119.25, 35.0], [119.35, 35.25], [119.25, 35.5], [119.47, 36.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.2241072846601355}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.274340816358121}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.70223287852889, 12.597565165223614, 13.37536112651452]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.88183716270322, 13.991482294626564, 14.149673289972384]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.866269414412052, 4.0191525537307236, 4.937600480931587]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.550140941112886, 4.839343263003684, 6.2241072846601355]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4720275443771922, 1.575164509184427, 1.9134818124170319]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6383458116407343, 1.8143233716605676, 2.200796617063183]}}