{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:00.941324", "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-Jan-14_to_2023-Jan-17_113.0_-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": 2023010002191}, "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": "January 14 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 17 2023"}, "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": 95773.40052051484}, "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": -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": 113.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 111.25}, "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": -3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.47, -1.97], [112.0, -1.75], [112.25, -1.85], [112.38, -1.8], [112.25, -1.5], [112.47, -0.97], [113.0, -0.75], [113.53, -0.97], [113.7, -1.37], [114.0, -1.25], [114.53, -1.47], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.53, -3.03], [114.18, -3.18], [114.03, -3.53], [113.5, -3.75], [113.2, -3.63], [113.03, -4.03], [112.5, -4.25], [111.97, -4.03], [111.82, -3.68], [111.47, -3.53], [111.25, -3.0], [111.35, -2.75], [111.25, -2.5], [111.47, -1.97]]]]}, "2023-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, -2.0], [110.97, -1.47], [111.32, -1.32], [111.35, -1.25], [111.25, -1.0], [111.35, -0.75], [111.32, -0.68], [110.97, -0.53], [110.75, 0.0], [110.97, 0.53], [111.5, 0.75], [111.75, 0.65], [112.0, 0.75], [112.53, 0.53], [112.75, 0.0], [112.65, -0.25], [112.68, -0.32], [112.75, -0.35], [113.0, -0.25], [113.25, -0.35], [113.32, -0.32], [113.47, 0.03], [114.0, 0.25], [114.3, 0.13], [114.47, 0.53], [115.0, 0.75], [115.53, 0.53], [115.75, 0.0], [115.65, -0.25], [115.75, -0.5], [115.53, -1.03], [115.18, -1.18], [115.03, -1.53], [114.68, -1.68], [114.65, -1.75], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.53, -3.03], [114.18, -3.18], [114.03, -3.53], [113.5, -3.75], [113.2, -3.63], [113.03, -4.03], [112.5, -4.25], [111.97, -4.03], [111.82, -3.68], [111.47, -3.53], [111.25, -3.0], [111.35, -2.75], [111.32, -2.68], [110.97, -2.53], [110.75, -2.0]]]]}, "2023-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, -2.0], [110.97, -1.47], [111.32, -1.32], [111.35, -1.25], [111.25, -1.0], [111.35, -0.75], [111.32, -0.68], [110.97, -0.53], [110.75, 0.0], [110.97, 0.53], [111.5, 0.75], [111.75, 0.65], [112.0, 0.75], [112.53, 0.53], [112.75, 0.0], [112.65, -0.25], [112.68, -0.32], [112.75, -0.35], [113.0, -0.25], [113.25, -0.35], [113.32, -0.32], [113.47, 0.03], [114.0, 0.25], [114.3, 0.13], [114.47, 0.53], [115.0, 0.75], [115.53, 0.53], [115.75, 0.0], [115.65, -0.25], [115.75, -0.5], [115.53, -1.03], [115.18, -1.18], [115.03, -1.53], [114.68, -1.68], [114.65, -1.75], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.53, -3.03], [114.18, -3.18], [114.03, -3.53], [113.5, -3.75], [113.2, -3.63], [113.03, -4.03], [112.5, -4.25], [111.97, -4.03], [111.82, -3.68], [111.47, -3.53], [111.25, -3.0], [111.35, -2.75], [111.32, -2.68], [110.97, -2.53], [110.75, -2.0]]]]}, "2023-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.25, -1.0], [111.35, -0.75], [111.32, -0.68], [110.97, -0.53], [110.75, 0.0], [110.97, 0.53], [111.5, 0.75], [111.75, 0.65], [112.0, 0.75], [112.53, 0.53], [112.75, 0.0], [112.65, -0.25], [112.68, -0.32], [112.75, -0.35], [113.0, -0.25], [113.25, -0.35], [113.32, -0.32], [113.47, 0.03], [114.0, 0.25], [114.3, 0.13], [114.47, 0.53], [115.0, 0.75], [115.53, 0.53], [115.75, 0.0], [115.65, -0.25], [115.75, -0.5], [115.53, -1.03], [115.18, -1.18], [115.03, -1.53], [114.68, -1.68], [114.53, -2.03], [114.18, -2.18], [114.03, -2.53], [113.5, -2.75], [113.25, -2.65], [113.0, -2.75], [112.75, -2.65], [112.5, 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[1.1761245673104157, 1.5220647904213196, 1.6112292657826732, 1.5042113371944765]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4722330785509143, 1.7845418929614425, 2.1479980310207907, 1.934990940719274]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.480377819071283, 1.7756638796808664, 1.833416127300919, 1.6890884243133109]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6180836050287588, 2.2276420500930203, 2.247866908433354, 2.3356831832923395]}}