{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:34.877309", "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": "2019-Sep-13_to_2019-Sep-15_104.5_22.5"}, "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": 2019090001933}, "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": "September 13 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 15 2019"}, "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": 74833.29632281189}, "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", "Vietnam"]}, "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": ["South China Sea"]}, "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": 22.5}, "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": 104.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 107.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.32, 21.82], [103.97, 21.97], [103.75, 22.5], [103.97, 23.03], [104.5, 23.25], [104.75, 23.15], [105.0, 23.25], [105.25, 23.15], [105.32, 23.18], [105.47, 23.53], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [107.03, 23.53], [107.25, 23.0], [107.15, 22.75], [107.25, 22.5], [107.07, 22.07], [107.5, 22.25], [108.03, 22.03], [108.25, 21.5], [108.04, 21.0], [108.25, 20.5], [108.03, 19.97], [107.5, 19.75], [107.25, 19.85], [107.0, 19.75], [106.75, 19.85], [106.68, 19.82], [106.53, 19.47], [106.18, 19.32], [106.03, 18.97], [105.5, 18.75], [105.25, 18.85], [105.0, 18.75], [104.47, 18.97], [104.25, 19.5], [104.47, 20.03], [104.88, 20.2], [104.82, 20.32], [104.75, 20.35], [104.5, 20.25], [103.97, 20.47], [103.75, 21.0], [103.97, 21.53], [104.32, 21.68], [104.35, 21.75], [104.32, 21.82]], [[106.82, 21.68], [106.93, 21.93], [106.68, 21.82], [106.63, 21.7], [106.75, 21.65], [106.82, 21.68]]]]}, "2019-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.32, 21.82], [103.97, 21.97], [103.75, 22.5], [103.97, 23.03], [104.5, 23.25], [104.75, 23.15], [105.0, 23.25], [105.25, 23.15], [105.32, 23.18], [105.47, 23.53], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [107.03, 23.53], [107.25, 23.0], [107.15, 22.75], [107.25, 22.5], [107.07, 22.07], [107.5, 22.25], [108.03, 22.03], [108.25, 21.5], [108.04, 21.0], [108.25, 20.5], [108.03, 19.97], [107.5, 19.75], [107.25, 19.85], [107.0, 19.75], [106.75, 19.85], [106.68, 19.82], [106.53, 19.47], [106.18, 19.32], [106.03, 18.97], [105.5, 18.75], [105.25, 18.85], [105.0, 18.75], [104.47, 18.97], [104.25, 19.5], [104.47, 20.03], [104.88, 20.2], [104.82, 20.32], [104.75, 20.35], [104.5, 20.25], [103.97, 20.47], [103.75, 21.0], [103.97, 21.53], [104.32, 21.68], [104.35, 21.75], [104.32, 21.82]], [[106.82, 21.68], [106.93, 21.93], [106.68, 21.82], [106.63, 21.7], [106.75, 21.65], [106.82, 21.68]]]]}, "2019-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.32, 21.82], [103.97, 21.97], [103.75, 22.5], [103.97, 23.03], [104.5, 23.25], [104.75, 23.15], [105.0, 23.25], [105.25, 23.15], [105.32, 23.18], [105.47, 23.53], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [107.03, 23.53], [107.25, 23.0], [107.15, 22.75], [107.25, 22.5], [107.07, 22.07], [107.5, 22.25], [108.03, 22.03], [108.25, 21.5], [108.04, 21.0], [108.25, 20.5], [108.03, 19.97], [107.5, 19.75], [107.25, 19.85], [107.0, 19.75], [106.75, 19.85], [106.68, 19.82], [106.53, 19.47], [106.18, 19.32], [106.03, 18.97], [105.5, 18.75], [105.25, 18.85], [105.0, 18.75], [104.47, 18.97], [104.25, 19.5], [104.47, 20.03], [104.88, 20.2], [104.82, 20.32], [104.75, 20.35], [104.5, 20.25], [103.97, 20.47], [103.75, 21.0], [103.97, 21.53], [104.32, 21.68], [104.35, 21.75], [104.32, 21.82]], [[106.82, 21.68], [106.93, 21.93], [106.68, 21.82], [106.63, 21.7], [106.75, 21.65], [106.82, 21.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.524691035827857}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.94285853301823}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.036440385897833, 28.443023428072365, 28.24572016675063]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.63087331752945, 30.057827578100273, 30.08710076530093]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7734319423159026, 2.1422502722014634, 1.9128933845373235]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1080046231589904, 2.524691035827857, 2.2130648072994177]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3020461210240568, 1.6440643282404805, 1.440944107317191]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6070555428713054, 2.114344533324423, 1.7272759017818342]}}