{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:41.086934", "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": "2011-Oct-09_to_2011-Oct-12_115.5_28.5"}, "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": 2011100002010}, "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": "October 09 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 60041.219707247335}, "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.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": 28.5}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 114.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.97, 27.97], [114.75, 28.5], [114.97, 29.03], [115.5, 29.25], [115.75, 29.15], [116.0, 29.25], [116.53, 29.03], [116.75, 28.5], [116.53, 27.97], [116.0, 27.75], [115.75, 27.85], [115.5, 27.75], [114.97, 27.97]]]]}, "2011-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 28.53], [114.5, 28.75], [114.75, 28.65], [114.82, 28.68], [114.97, 29.03], [115.5, 29.25], [115.75, 29.15], [116.0, 29.25], [116.25, 29.15], [116.5, 29.25], [116.75, 29.15], [117.0, 29.25], [117.25, 29.15], [117.5, 29.25], [117.75, 29.15], [118.0, 29.25], [118.25, 29.15], [118.32, 29.18], [118.47, 29.53], [119.0, 29.75], [119.53, 29.53], [119.75, 29.0], [119.53, 28.47], [119.18, 28.32], [119.03, 27.97], [118.5, 27.75], [118.25, 27.85], [118.18, 27.82], [118.03, 27.47], [117.68, 27.32], [117.53, 26.97], [117.0, 26.75], [116.75, 26.85], [116.5, 26.75], [116.25, 26.85], [116.0, 26.75], [115.75, 26.85], [115.68, 26.82], [115.53, 26.47], [115.0, 26.25], [114.75, 26.35], [114.5, 26.25], [113.97, 26.47], [113.75, 27.0], [113.96, 27.5], [113.75, 28.0], [113.97, 28.53]]]]}, "2011-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 28.53], [114.5, 28.75], [114.75, 28.65], [114.82, 28.68], [114.97, 29.03], [115.5, 29.25], [115.75, 29.15], [116.0, 29.25], [116.25, 29.15], [116.5, 29.25], [116.75, 29.15], [117.0, 29.25], [117.25, 29.15], [117.5, 29.25], [117.75, 29.15], [118.0, 29.25], [118.25, 29.15], [118.32, 29.18], [118.47, 29.53], [119.0, 29.75], [119.53, 29.53], [119.75, 29.0], [119.53, 28.47], [119.18, 28.32], [119.03, 27.97], [118.5, 27.75], [118.25, 27.85], [118.18, 27.82], [118.03, 27.47], [117.68, 27.32], [117.53, 26.97], [117.0, 26.75], [116.75, 26.85], [116.5, 26.75], [116.25, 26.85], [116.0, 26.75], [115.75, 26.85], [115.68, 26.82], [115.53, 26.47], [115.0, 26.25], [114.75, 26.35], [114.5, 26.25], [113.97, 26.47], [113.75, 27.0], [113.96, 27.5], [113.75, 28.0], [113.97, 28.53]]]]}, "2011-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, 28.53], [114.5, 28.75], [114.75, 28.65], [114.82, 28.68], [114.97, 29.03], [115.5, 29.25], [115.75, 29.15], [116.0, 29.25], [116.25, 29.15], [116.5, 29.25], [116.75, 29.15], [117.0, 29.25], [117.25, 29.15], [117.5, 29.25], [117.75, 29.15], [118.0, 29.25], [118.25, 29.15], [118.32, 29.18], [118.47, 29.53], [119.0, 29.75], [119.53, 29.53], [119.75, 29.0], [119.53, 28.47], [119.18, 28.32], [119.03, 27.97], [118.5, 27.75], [118.25, 27.85], [118.18, 27.82], [118.03, 27.47], [117.68, 27.32], [117.53, 26.97], [117.0, 26.75], [116.75, 26.85], [116.5, 26.75], [116.25, 26.85], [116.0, 26.75], [115.75, 26.85], [115.68, 26.82], [115.53, 26.47], [115.0, 26.25], [114.75, 26.35], [114.5, 26.25], [113.97, 26.47], [113.75, 27.0], [113.96, 27.5], [113.75, 28.0], [113.97, 28.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.635752945628781}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.010417219473796}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.012721854266374, 25.496964731081732, 25.65756741218445, 24.87882262004746]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.169766954623583, 27.29700093614946, 27.753009045144097, 25.99460085305651]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.2584545042052184, 4.077520323815401, 4.333076913195805, 3.6890146682527787]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2801844480023874, 5.081668248983476, 5.635752945628781, 4.581014918450933]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3126700015820592, 1.6075670407586578, 1.681165442059083, 1.4340393089606496]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3195121229072515, 1.8775396341215207, 2.0397035563929875, 1.6379923643232448]}}