{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:33.025020", "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": "2019-Apr-06_to_2019-Apr-08_147.5_-30.5"}, "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": 2019040001327}, "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": "April 06 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 08 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 66744.0924023619}, "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", "E.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": -30.5}, "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": 147.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 148.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.47, -28.97], [144.0, -28.75], [144.25, -28.85], [144.5, -28.75], [144.75, -28.85], [145.0, -28.75], [145.25, -28.85], [145.5, -28.75], [145.75, -28.85], [146.0, -28.75], [146.25, -28.85], [146.5, -28.75], [147.03, -28.97], [147.18, -29.32], [147.53, -29.47], [147.68, -29.82], [148.03, -29.97], [148.25, -30.5], [148.15, -30.75], [148.18, -30.82], [148.53, -30.97], [148.75, -31.5], [148.53, -32.03], [148.0, -32.25], [147.75, -32.15], [147.5, -32.25], [146.97, -32.03], [146.82, -31.68], [146.75, -31.65], [146.5, -31.75], [145.97, -31.53], [145.82, -31.18], [145.75, -31.15], [145.5, -31.25], [145.25, -31.15], [145.0, -31.25], [144.75, -31.15], [144.5, -31.25], [143.97, -31.03], [143.82, -30.68], [143.47, -30.53], [143.25, -30.0], [143.35, -29.75], [143.25, -29.5], [143.47, -28.97]]]]}, "2019-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.47, -28.97], [144.0, -28.75], [144.25, -28.85], [144.5, -28.75], [144.75, -28.85], [145.0, -28.75], [145.25, -28.85], [145.5, -28.75], [145.75, -28.85], [146.0, -28.75], [146.25, -28.85], [146.5, -28.75], [147.03, -28.97], [147.18, -29.32], [147.53, -29.47], [147.68, -29.82], [148.03, -29.97], [148.25, -30.5], [148.15, -30.75], [148.18, -30.82], [148.53, -30.97], [148.75, -31.5], [148.53, -32.03], [148.0, -32.25], [147.75, -32.15], [147.5, -32.25], [146.97, -32.03], [146.82, -31.68], [146.75, -31.65], [146.5, -31.75], [145.97, -31.53], [145.82, -31.18], [145.75, -31.15], [145.5, -31.25], [145.25, -31.15], [145.0, -31.25], [144.75, -31.15], [144.5, -31.25], [143.97, -31.03], [143.82, -30.68], [143.47, -30.53], [143.25, -30.0], [143.35, -29.75], [143.25, -29.5], [143.47, -28.97]]]]}, "2019-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.47, -28.97], [144.0, -28.75], [144.25, -28.85], [144.5, -28.75], [144.75, -28.85], [145.0, -28.75], [145.25, -28.85], [145.5, -28.75], [145.75, -28.85], [146.0, -28.75], [146.25, -28.85], [146.5, -28.75], [147.03, -28.97], [147.18, -29.32], [147.53, -29.47], [147.68, -29.82], [148.03, -29.97], [148.25, -30.5], [148.15, -30.75], [148.18, -30.82], [148.53, -30.97], [148.75, -31.5], [148.53, -32.03], [148.0, -32.25], [147.75, -32.15], [147.5, -32.25], [146.97, -32.03], [146.82, -31.68], [146.75, -31.65], [146.5, -31.75], [145.97, -31.53], [145.82, -31.18], [145.75, -31.15], [145.5, -31.25], [145.25, -31.15], [145.0, -31.25], [144.75, -31.15], [144.5, -31.25], [143.97, -31.03], [143.82, -30.68], [143.47, -30.53], [143.25, -30.0], [143.35, -29.75], [143.25, -29.5], [143.47, -28.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.438228140962735}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.73589248148998}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.398252262108542, 27.511377840262867, 28.111652250592385]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.70492987295603, 28.723596570316715, 29.567597497800023]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.486683886175415, 5.910479614849562, 6.810513943444962]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.0987806775810895, 6.93117428062186, 8.438228140962735]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4701670241508815, 1.8768809953205006, 2.0772599123140365]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6514350320705706, 2.262926157682283, 2.716544088589436]}}