{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:22.224709", "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": "2025-Oct-01_to_2025-Oct-05_108.5_-0.5"}, "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": 2025100000849}, "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": "October 01 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2025"}, "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": 86542.53051832662}, "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"]}, "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": -0.5}, "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": 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": 104.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 109.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[103.97, 0.53], [104.32, 0.68], [104.47, 1.03], [105.0, 1.25], [105.25, 1.15], [105.5, 1.25], [106.03, 1.03], [106.18, 0.68], [106.25, 0.65], [106.5, 0.75], [106.75, 0.65], [107.0, 0.75], [107.25, 0.65], [107.5, 0.75], [108.03, 0.53], [108.18, 0.18], [108.25, 0.15], [108.32, 0.18], [108.35, 0.25], [108.25, 0.5], [108.47, 1.03], [109.0, 1.25], [109.53, 1.03], [109.75, 0.5], [109.65, 0.25], [109.75, 0.0], [109.54, -0.5], [109.75, -1.0], [109.65, -1.25], [109.75, -1.5], [109.53, -2.03], [109.0, -2.25], [108.75, -2.15], [108.5, -2.25], [107.97, -2.03], [107.75, -1.5], [107.85, -1.25], [107.82, -1.18], [107.75, -1.15], [107.5, -1.25], [107.2, -1.13], [107.15, -1.25], [107.25, -1.5], [107.03, -2.03], [106.5, -2.25], [105.97, -2.03], [105.82, -1.68], [105.75, -1.65], [105.5, -1.75], [105.25, -1.65], [105.0, -1.75], [104.75, -1.65], [104.5, -1.75], [103.97, -1.53], [103.75, -1.0], [103.85, -0.75], [103.75, -0.5], [103.85, -0.25], [103.75, 0.0], [103.97, 0.53]]]]}}, "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": {"2025-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, -0.5], [107.97, 0.03], [108.38, 0.2], [108.25, 0.5], [108.47, 1.03], [109.0, 1.25], [109.53, 1.03], [109.75, 0.5], [109.53, -0.03], [109.13, -0.2], [109.18, -0.32], [109.53, -0.47], [109.75, -1.0], [109.65, -1.25], [109.75, -1.5], [109.53, -2.03], [109.0, -2.25], [108.47, -2.03], [108.32, -1.68], [107.97, -1.53], [107.75, -1.0], [107.85, -0.75], [107.75, -0.5]]]]}, "2025-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, -0.5], [107.97, 0.03], [108.32, 0.18], [108.35, 0.25], [108.25, 0.5], [108.47, 1.03], [109.0, 1.25], [109.53, 1.03], [109.75, 0.5], [109.65, 0.25], [109.75, 0.0], [109.54, -0.5], [109.75, -1.0], [109.65, -1.25], [109.75, -1.5], [109.53, -2.03], [109.0, -2.25], [108.47, -2.03], [108.32, -1.68], [107.97, -1.53], [107.75, -1.0], [107.85, -0.75], [107.75, -0.5]]]]}, "2025-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.75, -0.5], [103.85, -0.25], [103.75, 0.0], [103.97, 0.53], [104.32, 0.68], [104.47, 1.03], [105.0, 1.25], [105.25, 1.15], [105.5, 1.25], [106.03, 1.03], [106.18, 0.68], [106.25, 0.65], [106.5, 0.75], [106.75, 0.65], [107.0, 0.75], [107.25, 0.65], [107.5, 0.75], [108.03, 0.53], [108.18, 0.18], [108.25, 0.15], [108.32, 0.18], [108.35, 0.25], [108.25, 0.5], [108.47, 1.03], [109.0, 1.25], [109.53, 1.03], [109.75, 0.5], [109.65, 0.25], [109.75, 0.0], [109.54, -0.5], [109.75, -1.0], [109.65, -1.25], [109.75, -1.5], [109.53, -2.03], [109.0, -2.25], [108.75, -2.15], [108.5, -2.25], [107.97, -2.03], [107.75, -1.5], [107.85, -1.25], [107.82, -1.18], [107.75, -1.15], [107.5, -1.25], [107.2, -1.13], [107.15, -1.25], [107.25, -1.5], [107.03, -2.03], [106.5, -2.25], [105.97, -2.03], [105.82, -1.68], [105.75, -1.65], [105.5, -1.75], [105.25, -1.65], [105.0, -1.75], [104.75, -1.65], [104.5, -1.75], 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[103.75, -0.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6541512747094202}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1037583541963814}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.049855804443382, 27.959947204589866, 28.38930173601426, 28.524445305341544, 28.233981851431054]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.217417653401696, 28.233872985839866, 28.639697011311853, 28.963000233968103, 28.925194040934286]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9779351463518197, 0.9250139754247471, 1.1321735938636652, 1.2685216056301978, 0.96750250082929]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.149807338372625, 1.1604827467446626, 1.3607697309185482, 1.6541512747094202, 1.6302216065769244]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5333443779117026, 1.4080400279372098, 1.8952502747932987, 2.1052955304622754, 1.5947351522971187]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6848805717114668, 1.7616446155134573, 2.2581311482468314, 2.6623269526311937, 2.530248708433112]}}