{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:47.133180", "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-Apr-22_to_2022-Apr-26_115.5_-5.5"}, "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": 2022040002295}, "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": "April 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 26 2022"}, "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": 95551.55677068654}, "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": ["Java 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": -5.5}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 110.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 116.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[115.0, -6.75], [114.47, -6.53], [114.25, -6.0], [114.46, -5.5], [114.32, -5.18], [114.25, -5.15], [114.0, -5.25], [113.75, -5.15], [113.5, -5.25], [113.0, -5.04], [112.5, -5.25], [112.25, -5.15], [112.0, -5.25], [111.47, -5.03], [111.25, -4.5], [111.35, -4.25], [111.32, -4.18], [111.25, -4.15], [111.0, -4.25], [110.47, -4.03], [110.32, -3.68], [109.97, -3.53], [109.75, -3.0], [109.85, -2.75], [109.75, -2.5], [109.97, -1.97], [110.5, -1.75], [111.03, -1.97], [111.2, -2.37], [111.5, -2.25], [112.03, -2.47], [112.18, -2.82], [112.25, -2.85], [112.5, -2.75], [112.75, -2.85], [113.0, -2.75], [113.53, -2.97], [113.68, -3.32], [114.03, -3.47], [114.18, -3.82], [114.25, -3.85], [114.32, -3.82], [114.47, -3.47], [115.0, -3.25], [115.5, -3.46], [115.82, -3.32], [115.97, -2.97], [116.5, -2.75], [117.03, -2.97], [117.25, -3.5], [117.04, -4.0], [117.25, -4.5], [117.04, -5.0], [117.25, -5.5], [117.03, -6.03], [116.5, -6.25], [116.25, -6.15], [116.0, -6.25], [115.75, -6.15], [115.68, -6.18], [115.53, -6.53], [115.0, -6.75]]]]}}, "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": {"2022-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.75, -2.5], [109.97, -1.97], [110.5, -1.75], [111.03, -1.97], [111.2, -2.37], [111.5, -2.25], [112.03, -2.47], [112.18, -2.82], [112.25, -2.85], [112.5, -2.75], [112.75, -2.85], [113.0, -2.75], [113.53, -2.97], [113.68, -3.32], [114.03, -3.47], [114.18, -3.82], [114.25, -3.85], [114.32, -3.82], [114.47, -3.47], [115.0, -3.25], [115.5, -3.46], [115.82, -3.32], [115.97, -2.97], [116.5, -2.75], [117.03, -2.97], [117.25, -3.5], [117.04, -4.0], [117.25, -4.5], [117.04, -5.0], [117.25, -5.5], [117.03, -6.03], [116.5, -6.25], [116.25, -6.15], [116.0, -6.25], [115.75, -6.15], [115.5, -6.25], [114.97, -6.03], [114.82, -5.68], [114.47, -5.53], [114.32, -5.18], [114.25, -5.15], [114.0, -5.25], [113.75, -5.15], [113.5, -5.25], [113.0, -5.04], [112.5, 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1.2245027863371973, 1.0013694558572297]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.348495454213264, 2.1256005026127696, 1.2633231363843151, 1.3724855636033908, 1.0013694558572297]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.733479983995065, 2.0731151358095414, 1.7186592616645247, 1.8907727732105504, 1.560086376260069]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3141182012341974, 2.8899329958835094, 2.1813467321925177, 2.121939803608941, 1.560086376260069]}}