{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:43.892330", "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": "2026-May-18_to_2026-May-22_82.5_29.5"}, "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": 2026050001945}, "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": "May 18 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 22 2026"}, "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": 56373.34181346245}, "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", "Nepal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau"]}, "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": 29.5}, "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": 82.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "82.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 84.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.75, 31.0], [80.97, 31.53], [81.5, 31.75], [82.03, 31.53], 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29.25], [81.82, 29.32], [81.75, 29.35], [81.5, 29.25], [81.25, 29.35], [81.0, 29.25], [80.47, 29.47], [80.25, 30.0], [80.47, 30.53], [80.82, 30.68], [80.85, 30.75], [80.75, 31.0]]]]}, "2026-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.47, 30.53], [80.82, 30.68], [80.85, 30.75], [80.75, 31.0], [80.97, 31.53], [81.5, 31.75], [82.03, 31.53], [82.18, 31.18], [82.25, 31.15], [82.5, 31.25], [82.75, 31.15], [83.0, 31.25], [83.53, 31.03], [83.75, 30.5], [83.65, 30.25], [83.68, 30.18], [83.75, 30.15], [84.0, 30.25], [84.53, 30.03], [84.75, 29.5], [84.53, 28.97], [84.0, 28.75], [83.75, 28.85], [83.68, 28.82], [83.65, 28.75], [83.75, 28.5], [83.53, 27.97], [83.0, 27.75], [82.75, 27.85], [82.5, 27.75], [81.97, 27.97], [81.82, 28.32], [81.47, 28.47], [81.32, 28.82], [81.25, 28.85], [81.0, 28.75], [80.47, 28.97], [80.25, 29.5], [80.35, 29.75], [80.25, 30.0], [80.47, 30.53]]]]}, "2026-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.47, 30.53], 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