{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:35.986356", "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-Jul-15_to_2023-Jul-19_110.0_1.5"}, "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": 2023070002032}, "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": "July 15 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 19 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": 86505.81465319601}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 1.5}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[109.75, 0.35], [109.5, 0.25], [109.25, 0.35], [109.0, 0.25], [108.75, 0.35], [108.5, 0.25], [108.25, 0.35], [108.0, 0.25], [107.75, 0.35], [107.5, 0.25], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5], [106.97, 2.03], [107.32, 2.18], [107.47, 2.53], [107.82, 2.68], [107.97, 3.03], [108.32, 3.18], [108.47, 3.53], [109.0, 3.75], [109.25, 3.65], [109.5, 3.75], [109.75, 3.65], [110.0, 3.75], [110.53, 3.53], [110.75, 3.0], [110.65, 2.75], [110.75, 2.5], [110.65, 2.25], [110.68, 2.18], [111.03, 2.03], [111.25, 1.5], [111.13, 1.2], [111.53, 1.03], [111.75, 0.5], [111.53, -0.03], [111.18, -0.18], [111.03, -0.53], [110.5, -0.75], [109.97, -0.53], [109.75, 0.0], [109.85, 0.25], [109.82, 0.32], [109.75, 0.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 3.53], [109.0, 3.75], [109.53, 3.53], [109.75, 3.0], [109.53, 2.47], [109.18, 2.32], [109.03, 1.97], [108.5, 1.75], [107.97, 1.97], [107.75, 2.5], [107.97, 3.03], [108.32, 3.18], [108.47, 3.53]]]]}, "2023-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.75, 1.5], [106.97, 2.03], [107.32, 2.18], [107.47, 2.53], [107.82, 2.68], [107.97, 3.03], [108.32, 3.18], [108.47, 3.53], [109.0, 3.75], [109.25, 3.65], [109.5, 3.75], [109.75, 3.65], [110.0, 3.75], [110.53, 3.53], [110.75, 3.0], [110.65, 2.75], [110.75, 2.5], [110.65, 2.25], [110.68, 2.18], [111.03, 2.03], [111.25, 1.5], [111.03, 0.97], [110.68, 0.82], [110.63, 0.7], [111.03, 0.53], [111.25, 0.0], [111.03, -0.53], [110.5, -0.75], [109.97, -0.53], [109.75, 0.0], [109.88, 0.3], [109.75, 0.35], [109.5, 0.25], [109.25, 0.35], [109.0, 0.25], [108.75, 0.35], [108.5, 0.25], [108.25, 0.35], [108.0, 0.25], [107.75, 0.35], [107.5, 0.25], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5]]]]}, "2023-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.75, 1.5], [106.97, 2.03], [107.32, 2.18], [107.47, 2.53], [107.82, 2.68], [107.97, 3.03], [108.32, 3.18], [108.47, 3.53], [109.0, 3.75], [109.25, 3.65], [109.5, 3.75], [109.75, 3.65], [110.0, 3.75], [110.53, 3.53], [110.75, 3.0], [110.65, 2.75], [110.75, 2.5], [110.65, 2.25], [110.68, 2.18], [111.03, 2.03], [111.25, 1.5], [111.13, 1.2], [111.53, 1.03], [111.75, 0.5], [111.53, -0.03], [111.18, -0.18], [111.03, -0.53], [110.5, -0.75], [109.97, -0.53], [109.75, 0.0], [109.85, 0.25], [109.82, 0.32], [109.75, 0.35], [109.5, 0.25], [109.25, 0.35], [109.0, 0.25], [108.75, 0.35], [108.5, 0.25], [108.25, 0.35], [108.0, 0.25], [107.75, 0.35], [107.5, 0.25], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5]]]]}, "2023-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.75, 1.5], [106.97, 2.03], [107.32, 2.18], [107.47, 2.53], [107.82, 2.68], [107.97, 3.03], [108.5, 3.25], [108.75, 3.15], [108.82, 3.18], [108.97, 3.53], [109.5, 3.75], 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{"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4679733087468088}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.787385876575627, 28.51108283835225, 28.603165573275078, 28.796788037103227, 27.880814311764595]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.78784327897972, 29.409245235889045, 29.15709176515179, 29.832550369811543, 28.147729405541384]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.017160651826913, 1.2703982175646549, 1.4544763797536493, 1.6971948958248166, 1.5817277313858256]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0243911265439465, 2.108776687482475, 2.6349374839122675, 3.371448446539773, 1.6919280950955908]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3144800301799016, 1.5163649597551416, 1.6979062343010975, 1.99733333680571, 1.6024762639615011]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3256448534644654, 1.9849838020297632, 2.4337429099592085, 3.1678606155422266, 1.680634872231947]}}