{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:02.363608", "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-Nov-19_to_2025-Nov-25_55.5_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": 2025110002048}, "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": "November 19 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 25 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 66791.82726461146}, "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": ["Iran, Islamic Republic of"]}, "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": 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": 55.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 53.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 57.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[52.75, 26.0], [52.97, 26.53], [53.32, 26.68], [53.47, 27.03], [54.0, 27.25], [54.5, 27.04], [55.0, 27.25], [55.25, 27.15], 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[56.53, 26.53], [56.75, 26.0], [56.53, 25.47], [56.0, 25.25], [55.47, 25.47], [55.25, 26.0], [55.47, 26.53]]]]}, "2025-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, 25.97], [53.25, 26.5], [53.47, 27.03], [54.0, 27.25], [54.5, 27.04], [55.0, 27.25], [55.25, 27.15], [55.5, 27.25], [55.75, 27.15], [55.82, 27.18], [55.97, 27.53], [56.5, 27.75], [57.03, 27.53], [57.25, 27.0], [57.15, 26.75], [57.25, 26.5], [57.04, 26.0], [57.25, 25.5], [57.03, 24.97], [56.5, 24.75], [55.97, 24.97], [55.82, 25.32], [55.75, 25.35], [55.5, 25.25], [55.25, 25.35], [55.0, 25.25], [54.75, 25.35], [54.5, 25.25], [53.97, 25.47], [53.82, 25.82], [53.47, 25.97]]]]}, "2025-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, 25.97], [53.25, 26.5], [53.47, 27.03], [54.0, 27.25], [54.5, 27.04], [55.0, 27.25], [55.25, 27.15], [55.5, 27.25], [55.75, 27.15], [55.82, 27.18], [55.97, 27.53], [56.5, 27.75], [57.03, 27.53], [57.25, 27.0], [57.15, 26.75], [57.25, 26.5], 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"description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4078781424579752, 1.939400806648855, 2.541619956044533, 2.3926280892544907, 2.0971075957580285, 1.9279069036488654, 1.4465984517488586]}}