{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:42.750189", "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": "2020-Dec-14_to_2020-Dec-20_143.0_-10.0"}, "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": 2020120002101}, "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 14 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 20 2020"}, "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": 85396.02106714563}, "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": ["N.Australia", "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": ["Coral 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": -10.0}, "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": 143.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 146.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "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": {"2020-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.97, -7.53], [144.75, -7.0], [144.97, -6.47], [145.5, 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"coordinates": [[[[142.5, -9.25], [142.75, -9.35], [142.82, -9.32], [142.97, -8.97], [143.5, -8.75], [144.03, -8.97], [144.25, -9.5], [144.15, -9.75], [144.25, -10.0], [144.03, -10.53], [143.68, -10.68], [143.53, -11.03], [143.0, -11.25], [142.75, -11.15], [142.5, -11.25], [141.97, -11.03], [141.75, -10.5], [141.85, -10.25], [141.75, -10.0], [141.97, -9.47], [142.5, -9.25]]], [[[144.75, -9.0], [144.97, -8.47], [145.5, -8.25], [145.75, -8.35], [146.0, -8.25], [146.53, -8.47], [146.68, -8.82], [147.03, -8.97], [147.25, -9.5], [147.03, -10.03], [146.5, -10.25], [145.97, -10.03], [145.82, -9.68], [145.75, -9.65], [145.5, -9.75], [144.97, -9.53], [144.75, -9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5586496920718105}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1061858708035732}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.974068551139453, 22.051895301143475, 22.087432120128256, 27.883565779056767, 28.323330726997483, 28.553670481228664, 28.353842822245213]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.935780401662896, 26.602968387655153, 26.44479796227637, 28.699142062030944, 29.056970237477856, 28.822872689029623, 28.58305733621711]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.88826681734245, 1.2234704761094832, 1.2516265394940262, 0.9311512314506978, 1.3225188956346892, 1.1195336029860907, 0.8728504903986555]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9381676068942397, 1.5221181023050008, 1.4782663335328152, 1.1978491816230417, 1.5586496920718105, 1.3801764469300224, 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