{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:34.114209", "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": "2022-Jun-23_to_2022-Jun-25_108.5_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": 2022060002507}, "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 23 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 25 2022"}, "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": 89005.1659209757}, "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", "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": 108.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "108.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.85, 35.75], [105.75, 36.0], [105.85, 36.25], [105.75, 36.5], [105.85, 36.75], [105.75, 37.0], [105.97, 37.53], [106.5, 37.75], [106.75, 37.65], [106.88, 37.7], [106.75, 38.0], [106.85, 38.25], [106.75, 38.5], [106.97, 39.03], [107.5, 39.25], [108.03, 39.03], [108.18, 38.68], [108.25, 38.65], [108.32, 38.68], [108.47, 39.03], [109.0, 39.25], [109.25, 39.15], [109.5, 39.25], [110.03, 39.03], [110.18, 38.68], [110.53, 38.53], [110.75, 38.0], [110.65, 37.75], [110.75, 37.5], [110.65, 37.25], [110.75, 37.0], [110.53, 36.47], [110.13, 36.3], [110.18, 36.18], [110.53, 36.03], [110.75, 35.5], [110.53, 34.97], [110.0, 34.75], [109.5, 34.96], [109.0, 34.75], [108.47, 34.97], [108.3, 35.38], [108.0, 35.25], [107.75, 35.35], [107.68, 35.32], [107.53, 34.97], [107.18, 34.82], [107.03, 34.47], [106.5, 34.25], [105.97, 34.47], [105.75, 35.0], [105.85, 35.25], [105.75, 35.5], [105.85, 35.75]]]]}, "2022-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.85, 35.75], [105.75, 36.0], [105.85, 36.25], [105.75, 36.5], [105.85, 36.75], 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37.53], [106.5, 37.75], [106.75, 37.65], [106.88, 37.7], [106.75, 38.0], [106.85, 38.25], [106.75, 38.5], [106.97, 39.03], [107.5, 39.25], [108.03, 39.03], [108.18, 38.68], [108.25, 38.65], [108.32, 38.68], [108.47, 39.03], [109.0, 39.25], [109.25, 39.15], [109.5, 39.25], [110.03, 39.03], [110.18, 38.68], [110.53, 38.53], [110.75, 38.0], [110.65, 37.75], [110.75, 37.5], [110.65, 37.25], [110.75, 37.0], [110.53, 36.47], [110.13, 36.3], [110.18, 36.18], [110.53, 36.03], [110.75, 35.5], [110.53, 34.97], [110.0, 34.75], [109.5, 34.96], [109.0, 34.75], [108.47, 34.97], [108.3, 35.38], [108.0, 35.25], [107.75, 35.35], [107.68, 35.32], [107.53, 34.97], [107.18, 34.82], [107.03, 34.47], [106.5, 34.25], [105.97, 34.47], [105.75, 35.0], [105.85, 35.25], [105.75, 35.5], [105.85, 35.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.5628324776511135}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.804459600589431}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.353709105319695, 26.964977708704623, 26.525587311938978]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.5299800441407, 29.921829693343625, 30.63053744379573]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.984594080466664, 5.47906074854188, 4.949723972759748]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.826221482327185, 6.960284714240004, 7.5628324776511135]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4377751529095204, 2.010290985474317, 1.8331649322745074]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.785840657293449, 2.4025366403719994, 2.6524454741769836]}}