{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:47.316738", "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": "2018-May-05_to_2018-May-07_120.0_26.0"}, "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": 2018050001652}, "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 05 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 07 2018"}, "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": 85442.27609283995}, "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": ["Eastern China 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": 26.0}, "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": 120.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "120.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 26.5], [119.47, 27.03], [119.82, 27.18], [119.97, 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"2018-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 26.5], [119.47, 27.03], [119.82, 27.18], [119.97, 27.53], [120.32, 27.68], [120.47, 28.03], [121.0, 28.25], [121.53, 28.03], [121.68, 27.68], [121.75, 27.65], [122.0, 27.75], [122.25, 27.65], [122.32, 27.68], [122.47, 28.03], [122.82, 28.18], [122.97, 28.53], [123.32, 28.68], [123.47, 29.03], [124.0, 29.25], [124.25, 29.15], [124.5, 29.25], [124.75, 29.15], [125.0, 29.25], [125.53, 29.03], [125.75, 28.5], [125.65, 28.25], [125.75, 28.0], [125.53, 27.47], [125.0, 27.25], [124.75, 27.35], [124.5, 27.25], [124.25, 27.35], [124.18, 27.32], [124.03, 26.97], [123.68, 26.82], [123.65, 26.75], [123.75, 26.5], [123.65, 26.25], [123.75, 26.0], [123.53, 25.47], [123.18, 25.32], [123.03, 24.97], [122.5, 24.75], [121.97, 24.97], [121.75, 25.5], [121.85, 25.75], [121.82, 25.82], [121.75, 25.85], [121.68, 25.82], [121.53, 25.47], [121.0, 25.25], [120.75, 25.35], [120.68, 25.32], [120.53, 24.97], [120.0, 24.75], 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evolution of mean t2m anomalies.", "value": [2.39610314430131, 3.1909671503182704, 2.590969251730149]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0619861125481975, 4.100229190556945, 3.2385457537348543]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.48602790523399, 1.9521544237007533, 1.565006140059618]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8999047581269004, 2.4497550663077448, 2.2185204442345077]}}