{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:26.993888", "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-Jan-18_to_2025-Jan-22_75.0_36.5"}, "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": 2025010001856}, "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 18 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 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": 67467.03438266853}, "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": ["Afghanistan", "China", "India", "Pakistan", "Tajikistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "W.C.Asia"]}, "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": 36.5}, "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": 75.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "75.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 72.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 77.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.97, 35.97], [71.75, 36.5], [71.97, 37.03], [72.5, 37.25], 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[73.75, 35.85], [73.5, 35.75], [73.25, 35.85], [73.0, 35.75], [72.75, 35.85], [72.5, 35.75], [71.97, 35.97]]]]}, "2025-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.97, 35.97], [71.75, 36.5], [71.97, 37.03], [72.5, 37.25], [72.75, 37.15], [73.0, 37.25], [73.25, 37.15], [73.32, 37.18], [73.47, 37.53], [73.82, 37.68], [73.97, 38.03], [74.5, 38.25], [75.03, 38.03], [75.18, 37.68], [75.53, 37.53], [75.68, 37.18], [75.75, 37.15], [76.0, 37.25], [76.25, 37.15], [76.5, 37.25], [77.03, 37.03], [77.25, 36.5], [77.15, 36.25], [77.18, 36.18], [77.25, 36.15], [77.5, 36.25], [78.03, 36.03], [78.25, 35.5], [78.15, 35.25], [78.25, 35.0], [78.03, 34.47], [77.5, 34.25], [77.25, 34.35], [77.0, 34.25], [76.5, 34.46], [76.0, 34.25], [75.75, 34.35], [75.5, 34.25], [75.25, 34.35], [75.0, 34.25], [74.47, 34.47], [74.25, 35.0], [74.46, 35.5], [74.32, 35.82], [74.25, 35.85], [74.0, 35.75], [73.75, 35.85], [73.5, 35.75], [73.25, 35.85], [73.0, 35.75], [72.75, 35.85], [72.5, 35.75], 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