{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:59.243973", "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-02_to_2025-Sep-06_97.5_25.0"}, "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": 2025090001044}, "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 02 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 06 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": 72603.78344917469}, "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", "Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 25.0}, "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": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.5, 25.25], [99.03, 25.03], [99.25, 24.5], [99.03, 23.97], [98.5, 23.75], [97.97, 23.97], [97.75, 24.5], [97.97, 25.03], [98.5, 25.25]]]]}, "2025-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 25.5], [95.47, 26.03], [96.0, 26.25], [96.25, 26.15], [96.5, 26.25], [96.75, 26.15], [96.82, 26.18], [96.97, 26.53], [97.32, 26.68], [97.47, 27.03], [98.0, 27.25], [98.25, 27.15], [98.5, 27.25], [98.75, 27.15], [99.0, 27.25], [99.53, 27.03], [99.68, 26.68], [100.03, 26.53], [100.25, 26.0], [100.04, 25.5], [100.25, 25.0], [100.15, 24.75], [100.25, 24.5], [100.03, 23.97], [99.5, 23.75], [99.0, 23.96], [98.5, 23.75], [98.25, 23.85], [98.0, 23.75], [97.75, 23.85], [97.5, 23.75], [97.25, 23.85], [97.0, 23.75], [96.75, 23.85], [96.5, 23.75], [95.97, 23.97], [95.75, 24.5], [95.88, 24.8], [95.47, 24.97], [95.25, 25.5]]]]}, "2025-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 25.5], [95.47, 26.03], [96.0, 26.25], [96.25, 26.15], [96.5, 26.25], [96.75, 26.15], [96.82, 26.18], [96.97, 26.53], [97.32, 26.68], [97.47, 27.03], [98.0, 27.25], [98.25, 27.15], [98.5, 27.25], [98.75, 27.15], [99.0, 27.25], [99.53, 27.03], [99.68, 26.68], [100.03, 26.53], [100.25, 26.0], [100.04, 25.5], [100.25, 25.0], [100.15, 24.75], [100.25, 24.5], [100.03, 23.97], [99.5, 23.75], [99.0, 23.96], [98.5, 23.75], [98.25, 23.85], [98.0, 23.75], [97.75, 23.85], [97.5, 23.75], [97.25, 23.85], [97.0, 23.75], [96.75, 23.85], [96.5, 23.75], [95.97, 23.97], [95.75, 24.5], [95.88, 24.8], [95.47, 24.97], [95.25, 25.5]]]]}, "2025-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 25.5], [95.47, 26.03], [96.0, 26.25], [96.25, 26.15], [96.5, 26.25], [96.75, 26.15], [96.82, 26.18], [96.97, 26.53], [97.32, 26.68], [97.47, 27.03], [98.0, 27.25], [98.25, 27.15], [98.5, 27.25], [98.75, 27.15], [99.0, 27.25], [99.53, 27.03], [99.68, 26.68], [100.03, 26.53], [100.25, 26.0], [100.04, 25.5], [100.25, 25.0], [100.15, 24.75], [100.25, 24.5], [100.03, 23.97], [99.5, 23.75], [99.0, 23.96], [98.5, 23.75], [98.25, 23.85], [98.0, 23.75], [97.75, 23.85], [97.5, 23.75], [97.25, 23.85], [97.0, 23.75], [96.75, 23.85], [96.5, 23.75], [95.97, 23.97], [95.75, 24.5], [95.88, 24.8], [95.47, 24.97], [95.25, 25.5]]]]}, "2025-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.97, 26.03], [97.5, 26.25], [98.03, 26.03], [98.25, 25.5], [98.15, 25.25], [98.25, 25.0], [98.03, 24.47], [97.5, 24.25], [96.97, 24.47], [96.75, 25.0], [96.85, 25.25], [96.75, 25.5], [96.97, 26.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8555178329110618}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9104793013645982}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.982881164550804, 23.924948237492515, 24.29603171715371, 24.094101793338154, 28.4009834289551]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.982881164550804, 29.369299825032556, 29.91929143269857, 29.793724314371786, 28.929832712809286]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4608660604795318, 1.714865769391388, 2.116798190075212, 1.9463933246021183, 1.5292339821331211]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4608660604795318, 2.0463323607727943, 2.8555178329110618, 2.5501032865180377, 1.626201289078267]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4110343178531628, 1.5654962843230442, 1.8965975308488205, 1.7046844203838378, 1.3349281063417013]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4110343178531628, 1.9161481468281023, 2.4642142302247723, 2.4295094787509055, 1.3556099875180814]}}