{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:17.490716", "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": "2024-Nov-26_to_2024-Nov-28_97.0_33.0"}, "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": 2024110002292}, "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 26 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 28 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 51919.304803041414}, "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"]}, "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": 33.0}, "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": 97.0}, "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": 95.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[94.47, 33.53], [95.0, 33.75], [95.25, 33.65], [95.5, 33.75], [95.75, 33.65], [95.82, 33.68], [95.85, 33.75], [95.75, 34.0], [95.97, 34.53], [96.5, 34.75], [96.75, 34.65], [97.0, 34.75], [97.53, 34.53], [97.75, 34.0], [97.63, 33.7], [97.75, 33.65], [98.0, 33.75], [98.25, 33.65], [98.5, 33.75], [99.03, 33.53], [99.18, 33.18], [99.25, 33.15], [99.5, 33.25], [100.03, 33.03], [100.25, 32.5], [100.03, 31.97], [99.5, 31.75], [99.25, 31.85], [99.0, 31.75], [98.75, 31.85], [98.5, 31.75], [98.0, 31.96], [97.5, 31.75], [97.25, 31.85], [97.18, 31.82], [97.03, 31.47], [96.5, 31.25], [95.97, 31.47], [95.82, 31.82], [95.75, 31.85], [95.5, 31.75], [94.97, 31.97], [94.82, 32.32], [94.47, 32.47], [94.25, 33.0], [94.47, 33.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.47, 32.47], [94.25, 33.0], [94.47, 33.53], [95.0, 33.75], [95.25, 33.65], [95.5, 33.75], [95.75, 33.65], [95.82, 33.68], [95.85, 33.75], [95.75, 34.0], [95.97, 34.53], [96.5, 34.75], [96.75, 34.65], [97.0, 34.75], [97.53, 34.53], [97.75, 34.0], [97.63, 33.7], [97.75, 33.65], [98.0, 33.75], [98.25, 33.65], [98.5, 33.75], [99.03, 33.53], [99.18, 33.18], [99.25, 33.15], [99.5, 33.25], [100.03, 33.03], [100.25, 32.5], [100.03, 31.97], [99.5, 31.75], [99.25, 31.85], [99.0, 31.75], [98.75, 31.85], [98.5, 31.75], [98.0, 31.96], [97.5, 31.75], [97.25, 31.85], [97.18, 31.82], [97.03, 31.47], [96.5, 31.25], [95.97, 31.47], [95.82, 31.82], [95.75, 31.85], [95.5, 31.75], [94.97, 31.97], [94.82, 32.32], [94.47, 32.47]]]]}, "2024-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.47, 32.47], [94.25, 33.0], [94.47, 33.53], [95.0, 33.75], [95.25, 33.65], [95.5, 33.75], [95.75, 33.65], [95.82, 33.68], [95.85, 33.75], [95.75, 34.0], [95.97, 34.53], [96.5, 34.75], [96.75, 34.65], [97.0, 34.75], [97.53, 34.53], [97.75, 34.0], [97.63, 33.7], [97.75, 33.65], [98.0, 33.75], [98.25, 33.65], [98.5, 33.75], [99.03, 33.53], [99.18, 33.18], [99.25, 33.15], [99.5, 33.25], [100.03, 33.03], [100.25, 32.5], [100.03, 31.97], [99.5, 31.75], [99.25, 31.85], [99.0, 31.75], [98.75, 31.85], [98.5, 31.75], [98.0, 31.96], [97.5, 31.75], [97.25, 31.85], [97.18, 31.82], [97.03, 31.47], [96.5, 31.25], [95.97, 31.47], [95.82, 31.82], [95.75, 31.85], [95.5, 31.75], [94.97, 31.97], [94.82, 32.32], [94.47, 32.47]]]]}, "2024-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.47, 32.47], [94.25, 33.0], [94.47, 33.53], [95.0, 33.75], [95.25, 33.65], [95.5, 33.75], [95.75, 33.65], [95.82, 33.68], [95.85, 33.75], [95.75, 34.0], [95.97, 34.53], [96.5, 34.75], [96.75, 34.65], [97.0, 34.75], [97.53, 34.53], [97.75, 34.0], [97.63, 33.7], [97.75, 33.65], [98.0, 33.75], [98.25, 33.65], [98.5, 33.75], [99.03, 33.53], [99.18, 33.18], [99.25, 33.15], [99.5, 33.25], [100.03, 33.03], [100.25, 32.5], [100.03, 31.97], [99.5, 31.75], [99.25, 31.85], [99.0, 31.75], [98.75, 31.85], [98.5, 31.75], [98.0, 31.96], [97.5, 31.75], [97.25, 31.85], [97.18, 31.82], [97.03, 31.47], [96.5, 31.25], [95.97, 31.47], [95.82, 31.82], [95.75, 31.85], [95.5, 31.75], [94.97, 31.97], [94.82, 32.32], [94.47, 32.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.37374861809701}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.742836706449662}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-8.74026072820027, -9.132896645863866, -8.851183350880945]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-5.851999664306618, -6.615147654215491, -6.8031689961750885]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.820382769384684, 6.499586296305035, 6.908541053659265]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.37374861809701, 8.791291332610683, 8.803205975474157]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7448158583411506, 1.7324873773668976, 1.886194479832525]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.481470383135419, 2.159711168122953, 2.4983769337037467]}}