{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:38.325695", "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-Jan-07_to_2023-Jan-10_71.0_14.0"}, "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": 2023010001962}, "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": "January 07 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 10 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": 150392.06096044803}, "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": ["India"]}, "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": ["Arabian Sea", "Laccadive 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": 14.0}, "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": 71.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "71.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 69.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 74.5}, "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": 15.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[70.25, 14.65], [70.5, 14.75], [70.75, 14.65], [70.82, 14.68], [70.97, 15.03], [71.5, 15.25], [71.75, 15.15], [72.0, 15.25], 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[70.25, 14.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Arabian-Sea"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[68.25, 14.5], [68.47, 15.03], [69.0, 15.25], [69.25, 15.15], [69.5, 15.25], [70.03, 15.03], [70.18, 14.68], [70.25, 14.65], [70.5, 14.75], [70.75, 14.65], [70.82, 14.68], [70.97, 15.03], [71.5, 15.25], [71.75, 15.15], [72.0, 15.25], [72.25, 15.15], [72.32, 15.18], [72.47, 15.53], [73.0, 15.75], [73.53, 15.53], [73.68, 15.18], [74.03, 15.03], [74.18, 14.68], [74.53, 14.53], [74.68, 14.18], [75.03, 14.03], [75.25, 13.5], [75.15, 13.25], [75.25, 13.0], [75.15, 12.75], [75.25, 12.5], [75.15, 12.25], [75.25, 12.0], [75.15, 11.75], [75.25, 11.5], [75.03, 10.97], [74.68, 10.82], [74.53, 10.47], [74.0, 10.25], [73.75, 10.35], [73.5, 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28.16160135237004, 28.121938955847725, 27.300165714858508]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8689777258374557, 0.9882333989396455, 0.9029229192870298, 0.9514615745541505]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0985237424497996, 1.1752713910260013, 1.1020594757497975, 1.019473375518487]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3377034979679718, 1.509153899006136, 1.351467138966616, 1.2403725884026797]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7122823003436207, 1.9321770074960183, 1.7916772260783618, 1.312460469649099]}}