{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:16.924222", "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": "2013-Aug-20_to_2013-Aug-25_149.5_-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": 2013080002654}, "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": "August 20 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 2013"}, "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": 58167.26686058073}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "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": ["Solomon 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": -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": 149.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "149.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 147.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 151.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -8.53], [147.75, -8.0], [147.97, -7.47], [148.5, -7.25], [149.03, -7.47], [149.2, -7.87], [149.5, -7.75], [150.03, -7.97], [150.25, -8.5], [150.03, -9.03], [149.5, -9.25], [148.97, -9.03], [148.8, -8.63], [148.5, -8.75], [147.97, -8.53]]]]}, "2013-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.25, -7.5], [147.47, -6.97], [147.82, -6.82], [147.97, -6.47], [148.5, -6.25], [149.03, -6.47], [149.18, -6.82], [149.53, -6.97], [149.68, -7.32], [149.93, -7.43], [149.75, -7.0], [149.97, -6.47], [150.5, -6.25], [151.03, -6.47], [151.25, -7.0], [151.03, -7.53], [150.5, -7.75], [150.07, -7.57], [150.25, -8.0], [150.15, -8.25], [150.25, -8.5], [150.03, -9.03], [149.5, -9.25], [148.97, -9.03], [148.82, -8.68], [148.75, -8.65], [148.5, -8.75], [147.97, -8.53], [147.82, -8.18], [147.47, -8.03], [147.25, -7.5]]]]}, "2013-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.47, -6.47], [148.0, -6.25], [148.25, -6.35], [148.5, -6.25], [149.03, -6.47], [149.18, -6.82], [149.53, -6.97], [149.68, -7.32], [149.75, -7.35], [149.82, -7.32], [149.85, -7.25], [149.75, -7.0], [149.97, -6.47], [150.5, -6.25], [151.03, -6.47], [151.25, -7.0], [151.15, -7.25], [151.18, -7.32], [151.53, -7.47], [151.68, -7.82], [152.03, -7.97], [152.25, -8.5], [152.03, -9.03], [151.68, -9.18], [151.53, -9.53], [151.0, -9.75], [150.47, -9.53], [150.32, -9.18], [150.25, -9.15], [150.0, -9.25], [149.75, -9.15], [149.5, -9.25], [148.97, -9.03], [148.82, -8.68], [148.75, -8.65], [148.5, -8.75], [147.97, -8.53], [147.82, -8.18], [147.47, -8.03], [147.25, -7.5], [147.35, -7.25], [147.25, -7.0], [147.47, -6.47]]]]}, "2013-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.47, -6.47], [148.0, -6.25], [148.25, -6.35], [148.5, -6.25], [149.03, -6.47], [149.18, -6.82], [149.53, -6.97], [149.68, -7.32], [149.75, -7.35], [149.82, -7.32], [149.85, -7.25], [149.75, -7.0], [149.97, -6.47], [150.5, -6.25], [151.03, -6.47], [151.25, -7.0], [151.15, -7.25], [151.18, -7.32], [151.53, -7.47], [151.68, -7.82], [152.03, -7.97], [152.25, -8.5], [152.03, -9.03], [151.68, -9.18], [151.53, -9.53], [151.0, -9.75], [150.47, -9.53], [150.32, -9.18], [150.25, -9.15], [150.0, -9.25], [149.75, -9.15], [149.5, -9.25], [148.97, -9.03], [148.82, -8.68], [148.75, -8.65], [148.5, -8.75], [147.97, -8.53], [147.82, -8.18], [147.47, -8.03], [147.25, -7.5], [147.35, -7.25], [147.25, -7.0], [147.47, -6.47]]]]}, "2013-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.47, -6.47], [148.0, -6.25], [148.25, -6.35], [148.5, -6.25], [149.03, -6.47], [149.18, -6.82], [149.53, -6.97], [149.68, -7.32], [149.75, -7.35], [149.82, -7.32], [149.85, -7.25], [149.75, -7.0], [149.97, -6.47], [150.5, -6.25], [151.03, -6.47], [151.25, -7.0], [151.15, -7.25], [151.18, -7.32], [151.53, -7.47], [151.68, -7.82], [152.03, -7.97], [152.25, -8.5], [152.03, -9.03], [151.68, -9.18], [151.53, -9.53], [151.0, -9.75], [150.47, -9.53], [150.32, -9.18], [150.25, -9.15], [150.0, -9.25], [149.75, -9.15], [149.5, -9.25], 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"evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.83947315636044, 26.92409444883498, 26.89290522367469, 27.05853642465769, 26.970632055850444, 26.608672890174034]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6550507307082967, 0.7729526576078456, 0.780019162893989, 0.8084640230543743, 0.800022910564014, 0.668102232927879]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6682250461358308, 0.8692236704916354, 0.9520847418272069, 1.0082730362060488, 1.0760359657390381, 0.6806828349739931]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.285638665180675, 1.4637331028325127, 1.5029460565239983, 1.57049863046847, 1.5052114571252713, 1.37521142646911]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.308467512818182, 1.641113312771681, 1.6448547364230361, 1.8590393412111046, 1.9989329174429664, 1.377154527127588]}}