{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:50.955850", "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": "2018-Dec-26_to_2018-Dec-31_115.5_-8.5"}, "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": 2018120002624}, "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": "December 26 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 31 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 54934.95302601951}, "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": ["Bali Sea", "Indian Ocean"]}, "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": -8.5}, "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": 111.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.97, -8.97], [111.5, -8.75], [111.75, -8.85], [112.0, 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-7.75], [113.75, -7.85], [114.0, -7.75], [114.25, -7.85], [114.5, -7.75], [115.0, -7.96], [115.5, -7.75], [116.03, -7.97], [116.25, -8.5], [116.15, -8.75], [116.25, -9.0], [116.15, -9.25], [116.25, -9.5], [116.03, -10.03], [115.5, -10.25], [115.25, -10.15], [115.0, -10.25], [114.75, -10.15], [114.5, -10.25], [114.25, -10.15], [114.0, -10.25], [113.75, -10.15], [113.5, -10.25], [113.25, -10.15], [113.0, -10.25], [112.75, -10.15], [112.5, -10.25], [112.25, -10.15], [112.18, -10.18], [112.03, -10.53], [111.5, -10.75], [110.97, -10.53], [110.75, -10.0], [110.85, -9.75], [110.75, -9.5], [110.97, -8.97]]]]}, "2018-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.97, -8.97], [111.5, -8.75], [111.75, -8.85], [112.0, -8.75], [112.25, -8.85], [112.38, -8.8], [112.25, -8.5], [112.47, -7.97], [113.0, -7.75], [113.25, -7.85], [113.5, -7.75], [113.75, -7.85], [114.0, -7.75], [114.25, -7.85], [114.5, -7.75], [115.0, -7.96], [115.5, -7.75], [116.03, -7.97], [116.25, -8.5], 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{"type": "MultiPolygon", "coordinates": [[[[113.5, -7.25], [114.03, -7.47], [114.25, -8.0], [114.03, -8.53], [113.5, -8.75], [112.97, -8.53], [112.75, -8.0], [112.97, -7.47], [113.5, -7.25]]]]}, "2018-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.5, -7.25], [114.03, -7.47], [114.25, -8.0], [114.03, -8.53], [113.5, -8.75], [112.97, -8.53], [112.75, -8.0], [112.97, -7.47], [113.5, -7.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.290004779437595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9213159191481612}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.988095313264353, 27.954693580454773, 27.872135614858053, 26.868390360973365, 24.071550034070185, 24.185518197170893]}, "evo_maxamp": {"name": "Evolution of maximum t2m", 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"anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8899264653927692, 2.296213286448467, 1.9186622158737907, 2.4227643527212654, 1.5804911482844755, 1.748557605306015]}}