{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:23.160933", "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": "2026-Mar-12_to_2026-Mar-15_111.5_-2.0"}, "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": 2026030001721}, "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": "March 12 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 64817.09021567729}, "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"]}, "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": ["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": -2.0}, "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": 111.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 110.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.75, -3.0], [109.97, -2.47], [110.5, -2.25], [110.8, 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[113.5, -2.75], [113.75, -2.85], [114.0, -2.75], [114.25, -2.85], [114.5, -2.75], [115.03, -2.97], [115.25, -3.5], [115.15, -3.75], [115.25, -4.0], [115.03, -4.53], [114.5, -4.75], [114.25, -4.65], [114.0, -4.75], [113.47, -4.53], [113.32, -4.18], [113.25, -4.15], [113.0, -4.25], [112.75, -4.15], [112.5, -4.25], [112.25, -4.15], [112.0, -4.25], [111.75, -4.15], [111.5, -4.25], [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], [109.85, -2.25]]]]}, "2026-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.85, -2.25], [109.75, -2.0], [109.97, -1.47], [110.5, -1.25], [111.0, -1.46], [111.5, -1.25], [111.75, -1.35], [112.0, -1.25], [112.53, -1.47], [112.68, -1.82], [113.03, -1.97], [113.25, -2.5], [113.13, -2.8], [113.25, -2.85], [113.5, -2.75], [113.75, -2.85], [114.0, -2.75], [114.25, -2.85], [114.5, -2.75], [115.03, -2.97], [115.25, -3.5], [115.15, -3.75], [115.25, -4.0], [115.03, 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{"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2723286245484822}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.013122812906943, 28.09814896356488, 28.24805893670947, 27.75975288108549]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.23826115926107, 28.34478912353518, 29.177641805013025, 28.09359258015951]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1238724706500927, 1.2812531679951409, 1.4253374392954443, 1.1913964298934792]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4600770663346339, 1.6392468720605393, 2.3107867201417207, 1.6381596852583016]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7156180153166372, 1.922318027730049, 2.1789650767476325, 1.6166034443398347]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1427046524834314, 2.3367779589476405, 3.1214438378265488, 2.1012315562526425]}}