{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:04.834889", "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": "2023-Jun-19_to_2023-Jun-22_98.5_39.5"}, "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": 2023060002375}, "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": "June 19 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 22 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 54332.59524736818}, "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"]}, "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": 39.5}, "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": 98.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "98.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 102.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[100.25, 38.35], [100.0, 38.25], [99.47, 38.47], [99.3, 38.88], [99.0, 38.75], [98.75, 38.85], [98.5, 38.75], [97.97, 38.97], 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event at each time step", "value": {"2023-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.75, 40.0], [97.85, 40.25], [97.75, 40.5], [97.97, 41.03], [98.5, 41.25], [99.03, 41.03], [99.18, 40.68], [99.25, 40.65], [99.5, 40.75], [99.75, 40.65], [100.0, 40.75], [100.25, 40.65], [100.5, 40.75], [101.0, 40.54], [101.5, 40.75], [102.03, 40.53], [102.25, 40.0], [102.15, 39.75], [102.25, 39.5], [102.03, 38.97], [101.5, 38.75], [101.25, 38.85], [101.18, 38.82], [101.03, 38.47], [100.5, 38.25], [100.25, 38.35], [100.0, 38.25], [99.47, 38.47], [99.3, 38.88], [99.0, 38.75], [98.75, 38.85], [98.5, 38.75], [97.97, 38.97], [97.75, 39.5], [97.85, 39.75], [97.75, 40.0]]]]}, "2023-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.75, 40.0], [97.85, 40.25], [97.75, 40.5], [97.97, 41.03], [98.5, 41.25], [99.03, 41.03], [99.18, 40.68], [99.25, 40.65], [99.5, 40.75], [99.75, 40.65], [100.0, 40.75], [100.25, 40.65], [100.38, 40.7], [100.25, 41.0], [100.35, 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33.78306177459524, 32.146324295364764]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.430968762792903, 4.880832472435016, 6.494487533705479, 4.564263787882155]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.015041325814764, 5.985354350516673, 7.204257072104099, 5.345628417312923]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3541977389415778, 1.5045254712897331, 2.0554714068184423, 1.4587592529502715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4684631850664716, 1.9976235139835226, 2.42234152597747, 1.6277943470545313]}}