{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:07:57.395228", "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-Sep-11_to_2025-Sep-16_97.0_15.5"}, "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": 2025090001737}, "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": "September 11 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 16 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 116501.85916472985}, "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", "Myanmar", "Thailand"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia", "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": ["Andaman 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": 15.5}, "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": 97.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[99.75, 14.5], [99.53, 13.97], [99.0, 13.75], [98.7, 13.87], [98.53, 13.47], [98.0, 13.25], [97.47, 13.47], [97.32, 13.82], 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"Bay-of-Bengal"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.47, 15.03], [99.0, 15.25], [99.53, 15.03], [99.75, 14.5], [99.53, 13.97], [99.0, 13.75], [98.47, 13.97], [98.25, 14.5], [98.47, 15.03]]]]}, "2025-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.97, 13.97], [91.75, 14.5], [91.97, 15.03], [92.5, 15.25], [93.03, 15.03], [93.18, 14.68], [93.25, 14.65], [93.5, 14.75], [93.75, 14.65], [93.88, 14.7], [93.75, 15.0], [93.97, 15.53], [94.32, 15.68], [94.47, 16.03], [94.82, 16.18], [94.97, 16.53], [95.5, 16.75], [95.75, 16.65], [95.82, 16.68], [95.97, 17.03], [96.5, 17.25], [96.75, 17.15], [97.0, 17.25], [97.53, 17.03], [97.68, 16.68], [98.03, 16.53], [98.25, 16.0], [98.15, 15.75], [98.2, 15.63], [98.5, 15.75], [99.03, 15.53], [99.18, 15.18], [99.53, 15.03], [99.75, 14.5], [99.53, 13.97], 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