{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:33.262594", "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": "2025-Jul-07_to_2025-Jul-11_115.5_13.5"}, "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": 2025070001736}, "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 07 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 11 2025"}, "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": 120217.68177308457}, "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": ["South China Basin", "South 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": 13.5}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 114.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 117.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[116.03, 11.53], [116.25, 11.0], [116.03, 10.47], [115.5, 10.25], [115.25, 10.35], [115.0, 10.25], [114.75, 10.35], [114.5, 10.25], [114.25, 10.35], [114.0, 10.25], [113.47, 10.47], [113.25, 11.0], [113.47, 11.53], [113.82, 11.68], [113.85, 11.75], [113.82, 11.82], [113.47, 11.97], [113.25, 12.5], [113.35, 12.75], [113.25, 13.0], [113.47, 13.53], [113.82, 13.68], [113.85, 13.75], [113.75, 14.0], [113.85, 14.25], [113.75, 14.5], [113.97, 15.03], [114.32, 15.18], [114.47, 15.53], [114.82, 15.68], [114.85, 15.75], [114.75, 16.0], [114.97, 16.53], [115.5, 16.75], [116.03, 16.53], [116.18, 16.18], [116.25, 16.15], [116.5, 16.25], [117.03, 16.03], [117.25, 15.5], [117.13, 15.2], [117.53, 15.03], [117.75, 14.5], [117.53, 13.97], [117.18, 13.82], [117.15, 13.75], [117.25, 13.5], [117.03, 12.97], [116.68, 12.82], [116.53, 12.47], [116.18, 12.32], [116.03, 11.97], [115.68, 11.82], [115.65, 11.75], [115.68, 11.68], [116.03, 11.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 15.03], [114.5, 15.25], [115.03, 15.03], [115.25, 14.5], [115.03, 13.97], [114.5, 13.75], [113.97, 13.97], [113.75, 14.5], [113.97, 15.03]]]]}, "2025-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.5, 12.25], [114.75, 12.15], [115.0, 12.25], [115.53, 12.03], [115.68, 11.68], [116.03, 11.53], [116.25, 11.0], [116.03, 10.47], [115.5, 10.25], [115.25, 10.35], [115.0, 10.25], [114.75, 10.35], [114.5, 10.25], [114.25, 10.35], [114.0, 10.25], [113.47, 10.47], [113.25, 11.0], [113.47, 11.53], [113.82, 11.68], [113.97, 12.03], [114.5, 12.25]]], [[[113.75, 13.0], [113.85, 13.25], [113.75, 13.5], [113.85, 13.75], [113.75, 14.0], [113.85, 14.25], [113.75, 14.5], [113.97, 15.03], [114.32, 15.18], [114.47, 15.53], [114.82, 15.68], [114.85, 15.75], [114.75, 16.0], [114.97, 16.53], [115.5, 16.75], [116.03, 16.53], 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28.94282938639327, 28.9792254130046, 28.851402537028036]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7919624986918166, 0.9378686294274657, 1.0269598704764675, 0.9856451508309391, 0.8740968940365027]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7919624986918166, 1.099795726517243, 1.2662757728091378, 1.174054010812256, 1.035610229515953]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2197583669523528, 1.5090480474093542, 1.6801332086011918, 1.636818411615879, 1.459447143443572]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2197583669523528, 1.7623402929247916, 2.1229134076484684, 1.9866969491513147, 1.6871273256958133]}}