{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:30.600584", "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": "2010-Apr-07_to_2010-Apr-10_80.0_36.5"}, "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": 2010040001351}, "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": "April 07 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 10 2010"}, "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": 75214.53313535085}, "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", "Tibetan-Plateau"]}, "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": 36.5}, "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": 80.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 81.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.0, 37.25], [80.53, 37.03], [80.75, 36.5], [80.53, 35.97], [80.0, 35.75], [79.47, 35.97], [79.25, 36.5], [79.47, 37.03], [80.0, 37.25]]]]}, "2010-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.5], [74.97, 40.03], [75.32, 40.18], [75.47, 40.53], [76.0, 40.75], [76.25, 40.65], [76.5, 40.75], [76.75, 40.65], [77.0, 40.75], [77.53, 40.53], [77.75, 40.0], [77.65, 39.75], [77.68, 39.68], [78.03, 39.53], [78.18, 39.18], [78.53, 39.03], [78.68, 38.68], [79.03, 38.53], [79.18, 38.18], [79.25, 38.15], [79.5, 38.25], [79.75, 38.15], [80.0, 38.25], [80.25, 38.15], [80.5, 38.25], [81.03, 38.03], [81.25, 37.5], [81.15, 37.25], [81.18, 37.18], [81.53, 37.03], [81.75, 36.5], [81.53, 35.97], [81.0, 35.75], [80.5, 35.96], [80.0, 35.75], [79.47, 35.97], [79.32, 36.32], [79.25, 36.35], [79.0, 36.25], [78.47, 36.47], [78.3, 36.88], [78.0, 36.75], [77.75, 36.85], [77.5, 36.75], [77.25, 36.85], [77.0, 36.75], [76.47, 36.97], [76.25, 37.5], [76.35, 37.75], [76.32, 37.82], [75.97, 37.97], [75.82, 38.32], [75.47, 38.47], [75.32, 38.82], [74.97, 38.97], [74.75, 39.5]]]]}, "2010-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.5], [74.97, 40.03], [75.32, 40.18], [75.47, 40.53], [76.0, 40.75], [76.25, 40.65], [76.5, 40.75], [76.75, 40.65], [77.0, 40.75], [77.53, 40.53], [77.75, 40.0], [77.65, 39.75], [77.68, 39.68], [78.03, 39.53], [78.18, 39.18], [78.53, 39.03], [78.68, 38.68], [79.03, 38.53], [79.18, 38.18], [79.25, 38.15], [79.5, 38.25], [79.75, 38.15], [80.0, 38.25], [80.25, 38.15], [80.5, 38.25], [81.03, 38.03], [81.25, 37.5], [81.15, 37.25], [81.18, 37.18], [81.53, 37.03], [81.75, 36.5], [81.53, 35.97], [81.0, 35.75], [80.5, 35.96], [80.0, 35.75], [79.47, 35.97], [79.32, 36.32], [79.25, 36.35], [79.0, 36.25], [78.47, 36.47], [78.3, 36.88], [78.0, 36.75], [77.75, 36.85], [77.5, 36.75], [77.25, 36.85], [77.0, 36.75], [76.47, 36.97], [76.25, 37.5], [76.35, 37.75], [76.32, 37.82], [75.97, 37.97], [75.82, 38.32], [75.47, 38.47], [75.32, 38.82], [74.97, 38.97], [74.75, 39.5]]]]}, "2010-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 39.5], [74.97, 40.03], [75.32, 40.18], [75.47, 40.53], [76.0, 40.75], [76.25, 40.65], [76.5, 40.75], [76.75, 40.65], [77.0, 40.75], [77.53, 40.53], [77.75, 40.0], [77.65, 39.75], [77.68, 39.68], [78.03, 39.53], [78.18, 39.18], [78.53, 39.03], [78.68, 38.68], [79.03, 38.53], [79.18, 38.18], [79.25, 38.15], [79.5, 38.25], [79.75, 38.15], [80.0, 38.25], [80.25, 38.15], [80.5, 38.25], [81.03, 38.03], [81.25, 37.5], [81.15, 37.25], [81.18, 37.18], [81.53, 37.03], [81.75, 36.5], [81.53, 35.97], [81.0, 35.75], [80.5, 35.96], [80.0, 35.75], [79.47, 35.97], [79.32, 36.32], [79.25, 36.35], [79.0, 36.25], [78.47, 36.47], [78.3, 36.88], [78.0, 36.75], [77.75, 36.85], [77.5, 36.75], [77.25, 36.85], [77.0, 36.75], [76.47, 36.97], [76.25, 37.5], [76.35, 37.75], [76.32, 37.82], [75.97, 37.97], [75.82, 38.32], [75.47, 38.47], [75.32, 38.82], [74.97, 38.97], [74.75, 39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.864756436701612}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.8536762556668736}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.24390852032218, 18.611922082370768, 18.507032519114546, 18.295020616394538]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.24390852032218, 22.11075623145905, 21.782118051324346, 21.561684228770048]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.6910040916183675, 5.129885631942975, 4.9414557706340325, 4.494934853586468]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": 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