{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:21.870467", "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": "2012-Aug-28_to_2012-Aug-31_78.5_38.0"}, "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": 2012080002970}, "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": "August 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 31 2012"}, "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": 63208.04782635744}, "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": 38.0}, "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": 78.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "78.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 76.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 82.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "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": {"2012-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 39.0], [76.47, 39.53], [77.0, 39.75], [77.53, 39.53], [77.68, 39.18], [77.75, 39.15], [78.0, 39.25], [78.3, 39.13], [78.35, 39.25], [78.25, 39.5], [78.47, 40.03], [79.0, 40.25], [79.25, 40.15], [79.5, 40.25], [79.75, 40.15], [80.0, 40.25], [80.53, 40.03], [80.68, 39.68], [81.03, 39.53], [81.25, 39.0], [81.15, 38.75], [81.25, 38.5], [81.03, 37.97], [80.68, 37.82], [80.57, 37.57], [81.0, 37.75], [81.25, 37.65], [81.5, 37.75], [81.75, 37.65], [81.82, 37.68], [81.97, 38.03], [82.5, 38.25], [83.03, 38.03], [83.25, 37.5], [83.03, 36.97], [82.68, 36.82], [82.53, 36.47], [82.0, 36.25], [81.75, 36.35], [81.5, 36.25], [81.25, 36.35], [81.0, 36.25], [80.47, 36.47], [80.25, 37.0], [80.43, 37.43], [80.0, 37.25], [79.75, 37.35], [79.5, 37.25], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.5, 37.25], [78.25, 37.35], [78.0, 37.25], [77.75, 37.35], [77.5, 37.25], [76.97, 37.47], [76.75, 38.0], [76.85, 38.25], [76.82, 38.32], [76.47, 38.47], [76.25, 39.0]]]]}, "2012-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 39.0], [76.47, 39.53], [77.0, 39.75], [77.53, 39.53], [77.68, 39.18], [77.75, 39.15], [78.0, 39.25], [78.3, 39.13], [78.35, 39.25], [78.25, 39.5], [78.47, 40.03], [79.0, 40.25], [79.25, 40.15], [79.5, 40.25], [79.75, 40.15], [80.0, 40.25], [80.53, 40.03], [80.68, 39.68], [81.03, 39.53], [81.25, 39.0], [81.15, 38.75], [81.25, 38.5], [81.03, 37.97], [80.68, 37.82], [80.65, 37.75], [80.68, 37.68], [80.75, 37.65], [81.0, 37.75], [81.25, 37.65], [81.5, 37.75], [81.75, 37.65], [81.82, 37.68], [81.97, 38.03], [82.5, 38.25], [83.03, 38.03], [83.25, 37.5], [83.03, 36.97], [82.68, 36.82], [82.53, 36.47], [82.0, 36.25], [81.75, 36.35], [81.5, 36.25], [81.25, 36.35], [81.0, 36.25], [80.75, 36.35], [80.5, 36.25], [80.25, 36.35], [80.0, 36.25], [79.47, 36.47], [79.25, 37.0], [79.35, 37.25], [79.32, 37.32], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.68, 37.32], [78.53, 36.97], [78.0, 36.75], [77.75, 36.85], [77.5, 36.75], [76.97, 36.97], [76.75, 37.5], [76.85, 37.75], [76.75, 38.0], [76.85, 38.25], [76.82, 38.32], [76.47, 38.47], [76.25, 39.0]]]]}, "2012-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 39.0], [76.47, 39.53], [77.0, 39.75], [77.53, 39.53], [77.68, 39.18], [77.75, 39.15], [78.0, 39.25], [78.3, 39.13], [78.35, 39.25], [78.25, 39.5], [78.47, 40.03], [79.0, 40.25], [79.25, 40.15], [79.5, 40.25], [79.75, 40.15], [80.0, 40.25], [80.53, 40.03], [80.68, 39.68], [81.03, 39.53], [81.25, 39.0], [81.15, 38.75], [81.25, 38.5], [81.03, 37.97], [80.68, 37.82], [80.65, 37.75], [80.68, 37.68], [80.75, 37.65], [81.0, 37.75], [81.25, 37.65], [81.5, 37.75], [81.75, 37.65], [81.82, 37.68], [81.97, 38.03], [82.5, 38.25], [83.03, 38.03], [83.25, 37.5], [83.03, 36.97], [82.68, 36.82], [82.53, 36.47], [82.0, 36.25], [81.75, 36.35], [81.5, 36.25], [81.25, 36.35], [81.0, 36.25], [80.75, 36.35], [80.5, 36.25], [80.25, 36.35], [80.0, 36.25], [79.47, 36.47], [79.25, 37.0], [79.35, 37.25], [79.32, 37.32], [79.25, 37.35], [79.0, 37.25], [78.75, 37.35], [78.68, 37.32], [78.53, 36.97], [78.0, 36.75], [77.75, 36.85], [77.5, 36.75], [76.97, 36.97], [76.75, 37.5], [76.85, 37.75], [76.75, 38.0], [76.85, 38.25], [76.82, 38.32], [76.47, 38.47], [76.25, 39.0]]]]}, "2012-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 36.97], [76.75, 37.5], [76.97, 38.03], [77.5, 38.25], [77.75, 38.15], [77.82, 38.18], [77.97, 38.53], [78.5, 38.75], [79.0, 38.54], [79.5, 38.75], [80.03, 38.53], [80.18, 38.18], [80.53, 38.03], [80.68, 37.68], [81.03, 37.53], [81.25, 37.0], [81.03, 36.47], [80.5, 36.25], [80.25, 36.35], [80.0, 36.25], [79.47, 36.47], [79.25, 37.0], [79.35, 37.25], [79.32, 37.32], [79.0, 37.46], [78.68, 37.32], [78.53, 36.97], [78.0, 36.75], [77.75, 36.85], [77.5, 36.75], [76.97, 36.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.0886246212332935}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.001929497849442}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.54688549940073, 29.035134725432954, 28.364617092327478, 26.513763777476527]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.17566223860331, 30.195889609956566, 29.905337530281713, 28.217499394174524]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3121187626498103, 4.483691540880775, 4.153433072144673, 3.719232267663959]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.127626447748355, 4.992450620687407, 5.0886246212332935, 4.126752176934303]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1904071542597914, 1.6658658462032596, 1.5487168646425689, 1.3238285654233655]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4776695702607738, 2.0288164944298117, 2.06513543889081, 1.539090147184371]}}