{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:50.740509", "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-May-20_to_2018-May-26_134.0_-1.0"}, "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": 2018050002363}, "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": "May 20 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 26 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 58682.47033595403}, "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": ["Ceram 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": -1.0}, "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": 134.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "134.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 134.25}, "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": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -1.53], [132.75, -1.0], [132.97, -0.47], [133.5, -0.25], [133.75, -0.35], [134.0, -0.25], [134.53, -0.47], [134.75, -1.0], [134.53, -1.53], [134.0, -1.75], [133.75, -1.65], [133.5, -1.75], [132.97, -1.53]]]]}, "2018-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -1.03], [131.75, -0.5], [131.97, 0.03], [132.5, 0.25], [133.03, 0.03], [133.2, -0.37], [133.5, -0.25], [133.75, -0.35], [134.0, -0.25], [134.53, -0.47], [134.75, -1.0], [134.53, -1.53], [134.0, -1.75], [133.75, -1.65], [133.5, -1.75], [132.97, -1.53], [132.8, -1.13], [132.5, -1.25], [131.97, -1.03]]]]}, "2018-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -1.03], [131.75, -0.5], [131.97, 0.03], [132.5, 0.25], [133.03, 0.03], [133.2, -0.37], [133.5, -0.25], [133.75, -0.35], [134.0, -0.25], [134.53, -0.47], [134.75, -1.0], [134.53, -1.53], [134.0, -1.75], [133.75, -1.65], [133.5, -1.75], [132.97, -1.53], [132.8, -1.13], [132.5, -1.25], [131.97, -1.03]]]]}, "2018-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -1.47], [132.5, -1.25], [131.97, -1.03], [131.75, -0.5], [131.97, 0.03], [132.5, 0.25], [132.75, 0.15], [133.0, 0.25], [133.53, 0.03], [133.68, -0.32], [133.75, -0.35], [134.0, -0.25], [134.53, -0.47], [134.75, -1.0], [134.65, -1.25], [134.75, -1.5], [134.65, -1.75], [134.75, -2.0], [134.53, -2.53], [134.18, -2.68], [134.13, -2.8], [134.53, -2.97], [134.75, -3.5], [134.53, -4.03], [134.0, -4.25], [133.75, -4.15], [133.68, -4.18], [133.53, -4.53], [133.0, -4.75], [132.47, -4.53], [132.25, -4.0], [132.35, -3.75], [132.32, -3.68], [131.97, -3.53], [131.75, -3.0], [131.96, -2.5], [131.75, -2.0], [131.97, -1.47]], [[132.75, -1.35], [132.82, -1.32], [132.85, -1.25], [132.82, -1.18], [132.75, -1.15], [132.5, -1.25], [132.75, -1.35]]]]}, "2018-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, 0.03], [132.5, 0.25], [132.75, 0.15], [133.0, 0.25], [133.53, 0.03], [133.68, -0.32], [133.75, -0.35], [134.0, -0.25], [134.53, -0.47], [134.75, 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t2m.", "value": [23.090804722428288, 23.83293755657786, 23.561150271074155, 26.01252691924276, 25.67121395199564, 25.752868248973186, 23.43479214940612]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.372715548280496, 25.435944478341185, 25.068775735037264, 27.989511354890112, 27.953290548130497, 27.940849488417484, 27.19580324155021]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2029521749492744, 1.2524443739207338, 1.000540757290177, 1.197884938449881, 1.2530527503074758, 1.331784530866595, 1.224795418434701]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3093177700575893, 1.4115845337911992, 1.0705352524097407, 1.613537588846782, 1.823164016672763, 1.8946013572655147, 1.525246651388727]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9089322472741626, 1.9465607672116425, 1.5509497302625477, 1.7240497321911452, 1.8240316254569449, 1.9543495835216103, 1.682450766601626]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2959809154014508, 2.1225626684690004, 1.6128162625363636, 2.2891750668162603, 2.2651062630310683, 2.5742536934391165, 2.0960749332262565]}}