{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:37:09.167323", "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": "2023-Nov-27_to_2023-Dec-01_113.5_3.0"}, "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": 2023110002054}, "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": "November 27 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 01 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58663.75939456902}, "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": ["Indonesia", "Malaysia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 3.0}, "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": 113.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 111.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.25, 1.5], [111.35, 1.75], [111.25, 2.0], [111.47, 2.53], [112.0, 2.75], [112.53, 2.53], [112.75, 2.0], [112.65, 1.75], [112.75, 1.5], [112.65, 1.25], [112.75, 1.0], [112.65, 0.75], [112.75, 0.5], [112.53, -0.03], [112.0, -0.25], [111.47, -0.03], [111.25, 0.5], [111.35, 0.75], [111.25, 1.0], [111.35, 1.25], [111.25, 1.5]]], [[[111.47, 4.03], [112.0, 4.25], [112.25, 4.15], [112.5, 4.25], [113.03, 4.03], [113.2, 3.63], [113.5, 3.75], [113.75, 3.65], [114.0, 3.75], [114.53, 3.53], [114.75, 3.0], [114.53, 2.47], [114.0, 2.25], [113.75, 2.35], [113.5, 2.25], [112.97, 2.47], [112.8, 2.87], [112.5, 2.75], [112.25, 2.85], [112.0, 2.75], [111.47, 2.97], [111.25, 3.5], [111.47, 4.03]]]]}, "2023-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.35, 1.25], [111.25, 1.5], [111.35, 1.75], [111.25, 2.0], [111.46, 2.5], [111.25, 3.0], [111.35, 3.25], [111.25, 3.5], [111.47, 4.03], [112.0, 4.25], [112.25, 4.15], [112.5, 4.25], [113.03, 4.03], [113.2, 3.63], [113.5, 3.75], [113.75, 3.65], [114.0, 3.75], [114.53, 3.53], [114.75, 3.0], [114.53, 2.47], [114.0, 2.25], [113.75, 2.35], [113.5, 2.25], [113.0, 2.46], [112.63, 2.3], [112.75, 2.0], [112.65, 1.75], [112.75, 1.5], [112.65, 1.25], [112.75, 1.0], [112.65, 0.75], [112.75, 0.5], [112.53, -0.03], [112.0, -0.25], [111.47, -0.03], [111.25, 0.5], [111.35, 0.75], [111.25, 1.0], [111.35, 1.25]]]]}, "2023-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.35, 1.25], [111.25, 1.5], [111.35, 1.75], [111.25, 2.0], [111.46, 2.5], [111.25, 3.0], [111.35, 3.25], [111.25, 3.5], [111.47, 4.03], [112.0, 4.25], [112.25, 4.15], [112.5, 4.25], [113.0, 4.04], [113.5, 4.25], [113.75, 4.15], [114.0, 4.25], [114.53, 4.03], [114.68, 3.68], [114.75, 3.65], [115.0, 3.75], [115.53, 3.53], [115.75, 3.0], [115.65, 2.75], [115.75, 2.5], [115.53, 1.97], [115.0, 1.75], [114.5, 1.96], [114.0, 1.75], [113.75, 1.85], [113.5, 1.75], [113.25, 1.85], [113.0, 1.75], [112.75, 1.85], [112.68, 1.82], [112.65, 1.75], [112.75, 1.5], [112.65, 1.25], [112.75, 1.0], [112.65, 0.75], [112.75, 0.5], [112.53, -0.03], [112.0, -0.25], [111.47, -0.03], [111.25, 0.5], [111.35, 0.75], [111.25, 1.0], [111.35, 1.25]]]]}, "2023-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.47, 2.03], [111.88, 2.2], [111.82, 2.32], [111.47, 2.47], [111.25, 3.0], [111.35, 3.25], [111.25, 3.5], [111.47, 4.03], [112.0, 4.25], [112.25, 4.15], [112.5, 4.25], [113.0, 4.04], [113.5, 4.25], [113.75, 4.15], [114.0, 4.25], [114.53, 4.03], [114.68, 3.68], [114.75, 3.65], [115.0, 3.75], [115.53, 3.53], [115.75, 3.0], [115.65, 2.75], [115.75, 2.5], [115.53, 1.97], [115.0, 1.75], [114.5, 1.96], [114.0, 1.75], [113.75, 1.85], [113.5, 1.75], [113.25, 1.85], [113.0, 1.75], [112.75, 1.85], [112.63, 1.8], [112.75, 1.5], [112.65, 1.25], [112.75, 1.0], [112.53, 0.47], [112.0, 0.25], [111.47, 0.47], [111.25, 1.0], [111.35, 1.25], [111.25, 1.5], [111.47, 2.03]]]]}, "2023-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.97, 3.53], [112.5, 3.75], [112.8, 3.63], [112.97, 4.03], [113.5, 4.25], [113.75, 4.15], [114.0, 4.25], [114.53, 4.03], [114.68, 3.68], [114.75, 3.65], [115.0, 3.75], [115.53, 3.53], [115.75, 3.0], [115.65, 2.75], [115.75, 2.5], [115.53, 1.97], [115.0, 1.75], [114.5, 1.96], [114.0, 1.75], [113.75, 1.85], [113.5, 1.75], [113.25, 1.85], [113.0, 1.75], [112.75, 1.85], [112.5, 1.75], [111.97, 1.97], [111.75, 2.5], [111.85, 2.75], [111.75, 3.0], [111.97, 3.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4497117407912015}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3367928097783677}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.02802843004781, 27.01964413976026, 27.183542011415113, 26.64040986702196, 25.976851642522774]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily 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evolution of maximum standardized t2m anomalies.", "value": [1.8345800711211595, 1.7164560238272888, 3.293561710909111, 2.728414836574804, 1.6316839713192983]}}