{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:44.237410", "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": "2021-Mar-09_to_2021-Mar-14_143.0_-20.5"}, "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": 2021030001788}, "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": "March 09 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2021"}, "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": 58052.82033262622}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "N.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": []}, "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": -20.5}, "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": 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": 140.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 144.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.0, -19.75], [143.53, -19.97], [143.75, -20.5], [143.53, -21.03], [143.0, -21.25], [142.47, -21.03], [142.25, -20.5], [142.47, -19.97], [143.0, -19.75]]]]}, "2021-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -19.97], [142.32, -19.82], [142.47, -19.47], [143.0, -19.25], [143.53, -19.47], [143.75, -20.0], [143.65, -20.25], [143.68, -20.32], [144.03, -20.47], [144.25, -21.0], [144.03, -21.53], [143.5, -21.75], [143.25, -21.65], [143.0, -21.75], [142.75, -21.65], [142.5, -21.75], [141.97, -21.53], [141.75, -21.0], [141.85, -20.75], [141.75, -20.5], [141.97, -19.97]]]]}, "2021-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.85, -19.25], [139.75, -19.0], [139.97, -18.47], [140.5, -18.25], [141.03, -18.47], [141.18, -18.82], [141.53, -18.97], [141.68, -19.32], [141.75, -19.35], [142.0, -19.25], [142.25, -19.35], [142.5, -19.25], [142.75, -19.35], [143.0, -19.25], [143.53, -19.47], [143.75, -20.0], [143.65, -20.25], [143.68, -20.32], [144.03, -20.47], [144.25, -21.0], [144.03, -21.53], [143.5, -21.75], [143.25, -21.65], [143.0, -21.75], [142.75, -21.65], [142.5, -21.75], [141.97, -21.53], [141.82, -21.18], [141.47, -21.03], [141.32, -20.68], [141.25, -20.65], [141.0, -20.75], [140.75, -20.65], [140.5, -20.75], [139.97, -20.53], [139.75, -20.0], [139.85, -19.75], [139.75, -19.5], [139.85, -19.25]]]]}, "2021-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.85, -19.25], [139.75, -19.0], [139.97, -18.47], [140.5, -18.25], [141.0, -18.46], [141.5, -18.25], [142.03, -18.47], [142.18, -18.82], [142.53, -18.97], [142.68, -19.32], [142.75, -19.35], [143.0, -19.25], [143.53, -19.47], [143.68, -19.82], [144.03, -19.97], [144.18, -20.32], [144.53, -20.47], [144.75, -21.0], [144.53, -21.53], [144.0, -21.75], [143.75, -21.65], [143.5, -21.75], [143.25, -21.65], [143.0, -21.75], [142.75, -21.65], [142.5, -21.75], [141.97, -21.53], [141.82, -21.18], [141.47, -21.03], [141.32, -20.68], [141.25, -20.65], [141.0, -20.75], [140.75, -20.65], [140.5, -20.75], [139.97, -20.53], [139.75, -20.0], [139.85, -19.75], [139.75, -19.5], [139.85, -19.25]]]]}, "2021-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.85, -19.25], [139.75, -19.0], [139.97, -18.47], [140.5, -18.25], [141.0, -18.46], [141.5, -18.25], [142.03, -18.47], [142.18, -18.82], [142.53, -18.97], [142.68, -19.32], [142.75, -19.35], [143.0, -19.25], [143.53, -19.47], [143.68, -19.82], [144.03, -19.97], [144.18, -20.32], [144.53, -20.47], [144.75, -21.0], [144.53, -21.53], [144.0, -21.75], [143.75, -21.65], [143.5, -21.75], [143.25, -21.65], [143.0, -21.75], [142.75, -21.65], [142.5, -21.75], [141.97, -21.53], [141.82, -21.18], [141.47, -21.03], [141.32, -20.68], [141.25, -20.65], [141.0, -20.75], [140.75, -20.65], [140.5, -20.75], [139.97, -20.53], [139.75, -20.0], [139.85, -19.75], [139.75, -19.5], [139.85, -19.25]]]]}, "2021-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.97, -18.47], [141.5, -18.25], [142.03, -18.47], [142.18, 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31.271565156369377]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.47076908639127, 31.38027456456831, 32.29935453674142, 33.28724225308014, 32.65218178564061, 32.537287857687886]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2483620104188162, 2.5842003463945957, 2.6739441170115543, 3.0656203250286835, 2.9591512806639146, 2.7181584505567824]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2483620104188162, 2.907925053534086, 2.887755974354775, 4.076847833509703, 3.4397211420950953, 3.0795044465945693]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2366892727627365, 1.4506869384648873, 1.5014709941575777, 1.7198446675275616, 1.6589250684238332, 1.4963332576273978]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2366892727627365, 1.6386886605904762, 1.6602445258889904, 2.168654314325306, 1.971193672435681, 1.6530742932070603]}}