{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:58.918516", "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": "2014-Mar-16_to_2014-Mar-18_119.5_31.0"}, "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": 2014030001957}, "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": "March 16 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 18 2014"}, "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": 106112.0654450394}, "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": 31.0}, "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": 119.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "119.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.35, 32.25], [116.25, 32.5], [116.47, 33.03], [117.0, 33.25], [117.53, 33.03], [117.68, 32.68], [117.75, 32.65], [118.0, 32.75], [118.25, 32.65], [118.5, 32.75], [119.03, 32.53], [119.18, 32.18], [119.25, 32.15], [119.5, 32.25], [119.75, 32.15], [120.0, 32.25], [120.25, 32.15], [120.5, 32.25], [120.75, 32.15], [121.0, 32.25], [121.53, 32.03], [121.68, 31.68], [122.03, 31.53], [122.25, 31.0], [122.04, 30.5], [122.25, 30.0], [122.03, 29.47], [121.5, 29.25], [121.25, 29.35], [121.18, 29.32], [121.03, 28.97], [120.5, 28.75], [120.25, 28.85], [120.0, 28.75], [119.75, 28.85], [119.5, 28.75], [118.97, 28.97], [118.82, 29.32], [118.75, 29.35], [118.5, 29.25], [117.97, 29.47], [117.82, 29.82], [117.75, 29.85], [117.5, 29.75], [116.97, 29.97], [116.75, 30.5], [116.85, 30.75], [116.82, 30.82], [116.47, 30.97], [116.25, 31.5], [116.35, 31.75], [116.25, 32.0], [116.35, 32.25]]]]}, "2014-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.35, 32.25], [116.25, 32.5], [116.47, 33.03], [117.0, 33.25], [117.53, 33.03], [117.68, 32.68], [117.75, 32.65], [118.0, 32.75], [118.25, 32.65], [118.5, 32.75], [119.03, 32.53], [119.18, 32.18], [119.25, 32.15], [119.5, 32.25], [119.75, 32.15], [120.0, 32.25], [120.25, 32.15], [120.5, 32.25], [120.75, 32.15], [121.0, 32.25], [121.53, 32.03], [121.68, 31.68], [122.03, 31.53], [122.25, 31.0], [122.04, 30.5], [122.25, 30.0], [122.03, 29.47], [121.5, 29.25], [121.25, 29.35], [121.18, 29.32], [121.03, 28.97], [120.5, 28.75], [120.25, 28.85], [120.0, 28.75], [119.75, 28.85], [119.5, 28.75], [118.97, 28.97], [118.82, 29.32], [118.75, 29.35], [118.5, 29.25], [117.97, 29.47], [117.82, 29.82], [117.75, 29.85], [117.5, 29.75], [116.97, 29.97], [116.75, 30.5], [116.85, 30.75], [116.82, 30.82], [116.47, 30.97], [116.25, 31.5], [116.35, 31.75], [116.25, 32.0], [116.35, 32.25]]]]}, "2014-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.35, 32.25], [116.25, 32.5], [116.47, 33.03], [117.0, 33.25], [117.53, 33.03], [117.68, 32.68], [117.75, 32.65], [118.0, 32.75], [118.25, 32.65], [118.5, 32.75], [119.03, 32.53], [119.18, 32.18], [119.25, 32.15], [119.5, 32.25], [119.75, 32.15], [120.0, 32.25], [120.25, 32.15], [120.5, 32.25], [120.75, 32.15], [121.0, 32.25], [121.53, 32.03], [121.68, 31.68], [122.03, 31.53], [122.25, 31.0], [122.04, 30.5], [122.25, 30.0], [122.03, 29.47], [121.5, 29.25], [121.25, 29.35], [121.18, 29.32], [121.03, 28.97], [120.5, 28.75], [120.25, 28.85], [120.0, 28.75], [119.75, 28.85], [119.5, 28.75], [118.97, 28.97], [118.82, 29.32], [118.75, 29.35], [118.5, 29.25], [117.97, 29.47], [117.82, 29.82], [117.75, 29.85], [117.5, 29.75], [116.97, 29.97], [116.75, 30.5], [116.85, 30.75], [116.82, 30.82], [116.47, 30.97], [116.25, 31.5], [116.35, 31.75], [116.25, 32.0], [116.35, 32.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.160490876800623}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.983090338977163}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.4071027881576, 18.545972655862045, 18.4601971409856]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.53748478611044, 19.258616001341238, 20.671760010373987]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.289110776772264, 7.38051229092832, 7.279647949230899]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.41273081393058, 8.265570905593506, 9.160490876800623]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6765617371708665, 1.96104752854643, 1.8412443477566984]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.009054737487634, 2.3381399375658707, 2.1623561833502585]}}