{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:25.431253", "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-Feb-16_to_2021-Feb-19_139.5_-37.0"}, "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": 2021020001896}, "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": "February 16 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 19 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 66453.34597384125}, "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": ["S.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": ["Great Australian Bight"]}, "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": -37.0}, "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": 139.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 138.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 142.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.75, -36.5], [137.97, -35.97], [138.32, -35.82], [138.47, -35.47], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.0, -35.46], [140.5, -35.25], [141.03, -35.47], [141.18, -35.82], [141.53, -35.97], [141.68, -36.32], [142.03, -36.47], [142.18, -36.82], [142.53, -36.97], [142.68, -37.32], [143.03, -37.47], [143.25, -38.0], [143.15, -38.25], [143.25, -38.5], [143.03, -39.03], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.75, -38.65], [141.5, -38.75], [141.25, -38.65], [141.0, -38.75], [140.47, -38.53], [140.32, -38.18], [140.25, -38.15], [140.18, -38.18], [140.03, -38.53], [139.5, -38.75], [139.25, -38.65], [139.0, -38.75], [138.47, -38.53], [138.25, -38.0], [138.35, -37.75], [138.25, -37.5], [138.35, -37.25], [138.32, -37.18], [137.97, -37.03], [137.75, -36.5]]]]}, "2021-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.75, -36.5], [137.97, -35.97], [138.32, -35.82], [138.47, -35.47], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.0, -35.46], [140.5, -35.25], [141.03, -35.47], [141.18, -35.82], [141.53, -35.97], [141.68, -36.32], [142.03, -36.47], [142.18, -36.82], [142.53, -36.97], [142.68, -37.32], [143.03, -37.47], [143.25, -38.0], [143.15, -38.25], [143.25, -38.5], [143.03, -39.03], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.75, -38.65], [141.5, -38.75], [141.25, -38.65], [141.0, -38.75], [140.47, -38.53], [140.32, -38.18], [140.25, -38.15], [140.18, -38.18], [140.03, -38.53], [139.5, -38.75], [139.25, -38.65], [139.0, -38.75], [138.47, -38.53], [138.25, -38.0], [138.35, -37.75], [138.25, -37.5], [138.35, -37.25], [138.32, -37.18], [137.97, -37.03], [137.75, -36.5]]]]}, "2021-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.75, -36.5], [137.97, -35.97], [138.32, -35.82], [138.47, -35.47], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.0, -35.46], [140.5, -35.25], [141.03, -35.47], [141.18, -35.82], [141.53, -35.97], [141.68, -36.32], [142.03, -36.47], [142.18, -36.82], [142.53, -36.97], [142.68, -37.32], [143.03, -37.47], [143.25, -38.0], [143.15, -38.25], [143.25, -38.5], [143.03, -39.03], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.75, -38.65], [141.5, -38.75], [141.25, -38.65], [141.0, -38.75], [140.47, -38.53], [140.32, -38.18], [140.25, -38.15], [140.18, -38.18], [140.03, -38.53], [139.5, -38.75], [139.25, -38.65], [139.0, -38.75], [138.47, -38.53], [138.25, -38.0], [138.35, -37.75], [138.25, -37.5], [138.35, -37.25], [138.32, -37.18], [137.97, -37.03], [137.75, -36.5]]]]}, "2021-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.5, -37.75], [143.03, -37.97], [143.25, -38.5], [143.03, -39.03], [142.5, -39.25], [141.97, -39.03], [141.75, -38.5], [141.97, -37.97], [142.5, -37.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.936422298930154}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.03213387150607}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.23306482736257, 25.00217290478713, 25.178806277912145, 22.359657363884196]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.11922215838098, 30.19829947313707, 29.65090473998481, 22.359657363884196]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.881158018135722, 6.583841335125606, 6.69089876297053, 4.425728325237571]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.756922276900468, 9.366933558901508, 9.936422298930154, 4.425728325237571]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6710797204408476, 2.405509688087698, 2.492774539507686, 1.551943102459654]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.044177116496516, 3.173566240883962, 3.397862352455487, 1.551943102459654]}}