{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:55:59.346246", "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-Jun-15_to_2025-Jun-17_95.5_38.5"}, "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": 2025060002043}, "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": "June 15 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 17 2025"}, "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": 50696.72434636841}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": 38.5}, "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": 95.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "95.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 93.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 97.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.35, 38.75], [93.25, 39.0], [93.47, 39.53], [94.0, 39.75], [94.25, 39.65], [94.32, 39.68], [94.47, 40.03], [95.0, 40.25], [95.25, 40.15], [95.5, 40.25], [95.75, 40.15], [96.0, 40.25], [96.25, 40.15], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.53, 40.03], [97.75, 39.5], [97.53, 38.97], [97.0, 38.75], [96.75, 38.85], [96.68, 38.82], [96.65, 38.75], [96.75, 38.5], [96.54, 38.0], [96.75, 37.5], [96.53, 36.97], [96.0, 36.75], [95.75, 36.85], [95.5, 36.75], [95.0, 36.96], [94.5, 36.75], [93.97, 36.97], [93.82, 37.32], [93.47, 37.47], [93.25, 38.0], [93.35, 38.25], [93.25, 38.5], [93.35, 38.75]]]]}, "2025-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.35, 38.75], [93.25, 39.0], [93.47, 39.53], [94.0, 39.75], [94.25, 39.65], [94.32, 39.68], [94.47, 40.03], [95.0, 40.25], [95.25, 40.15], [95.5, 40.25], [95.75, 40.15], [96.0, 40.25], [96.25, 40.15], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.53, 40.03], [97.75, 39.5], [97.53, 38.97], [97.0, 38.75], [96.75, 38.85], [96.68, 38.82], [96.65, 38.75], [96.75, 38.5], [96.54, 38.0], [96.75, 37.5], [96.53, 36.97], [96.0, 36.75], [95.75, 36.85], [95.5, 36.75], [95.0, 36.96], [94.5, 36.75], [93.97, 36.97], [93.82, 37.32], [93.47, 37.47], [93.25, 38.0], [93.35, 38.25], [93.25, 38.5], [93.35, 38.75]]]]}, "2025-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.35, 38.75], [93.25, 39.0], [93.47, 39.53], [94.0, 39.75], [94.25, 39.65], [94.32, 39.68], [94.47, 40.03], [95.0, 40.25], [95.25, 40.15], [95.5, 40.25], [95.75, 40.15], [96.0, 40.25], [96.25, 40.15], [96.5, 40.25], [96.75, 40.15], [97.0, 40.25], [97.53, 40.03], [97.75, 39.5], [97.53, 38.97], [97.0, 38.75], [96.75, 38.85], [96.68, 38.82], [96.65, 38.75], [96.75, 38.5], [96.54, 38.0], [96.75, 37.5], [96.53, 36.97], [96.0, 36.75], [95.75, 36.85], [95.5, 36.75], [95.0, 36.96], [94.5, 36.75], [93.97, 36.97], [93.82, 37.32], [93.47, 37.47], [93.25, 38.0], [93.35, 38.25], [93.25, 38.5], [93.35, 38.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.387110582946434}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.254871913105328}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.57009041195829, 13.983704896957192, 12.929372648208982]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.399424489339196, 22.020015970865927, 20.739090220133505]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.8586010724316653, 5.061954682197684, 3.844059984686634]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.3237592802013864, 6.387110582946434, 5.002873257652482]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5861134919229514, 2.082053499948125, 1.5888016104144913]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8191248145820433, 2.5180807881426963, 2.0355608355072605]}}