{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:25:20.135256", "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-Apr-09_to_2021-Apr-13_134.0_-11.5"}, "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": 2021040001870}, "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 09 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 13 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 78948.98082803942}, "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": ["N.Australia", "S.E.Asia"]}, "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": ["Arafura 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": -11.5}, "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": 134.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "134.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -12.03], [132.75, -11.5], [132.97, -10.97], [133.5, -10.75], [133.75, -10.85], [134.0, -10.75], [134.53, -10.97], [134.75, -11.5], [134.53, -12.03], [134.0, -12.25], [133.75, -12.15], [133.5, -12.25], [132.97, -12.03]]]]}, "2021-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -12.03], [132.75, -11.5], [132.97, -10.97], [133.5, -10.75], [133.75, -10.85], [134.0, -10.75], [134.53, -10.97], [134.7, -11.37], [135.0, -11.25], [135.53, -11.47], [135.75, -12.0], [135.53, -12.53], [135.0, -12.75], [134.47, -12.53], [134.3, -12.13], [134.0, -12.25], [133.75, -12.15], [133.5, -12.25], [132.97, -12.03]]]]}, "2021-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.35, -10.75], [132.25, -10.5], [132.35, -10.25], [132.25, -10.0], [132.47, -9.47], [132.82, -9.32], [132.85, -9.25], [132.75, -9.0], [132.97, -8.47], [133.5, -8.25], [134.03, -8.47], [134.18, -8.82], [134.25, -8.85], [134.5, -8.75], [135.03, -8.97], [135.25, -9.5], [135.15, -9.75], [135.25, -10.0], [135.15, -10.25], [135.18, -10.32], [135.53, -10.47], [135.68, -10.82], [136.03, -10.97], [136.18, -11.32], [136.53, -11.47], [136.75, -12.0], [136.53, -12.53], [136.0, -12.75], [135.75, -12.65], [135.5, -12.75], [135.25, -12.65], [135.0, -12.75], [134.47, -12.53], [134.32, -12.18], [134.25, -12.15], [134.0, -12.25], [133.75, -12.15], [133.5, -12.25], [133.25, -12.15], [133.0, -12.25], [132.47, -12.03], [132.25, -11.5], [132.35, -11.25], [132.25, -11.0], [132.35, -10.75]]]]}, "2021-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.35, -10.75], [132.25, -10.5], [132.35, -10.25], [132.25, -10.0], [132.47, -9.47], [132.82, -9.32], [132.85, -9.25], [132.75, -9.0], [132.97, -8.47], [133.5, -8.25], [134.03, -8.47], [134.18, -8.82], [134.25, -8.85], [134.5, -8.75], [135.03, -8.97], [135.25, -9.5], [135.15, -9.75], [135.25, -10.0], [135.15, -10.25], [135.18, -10.32], [135.53, -10.47], [135.68, -10.82], [136.03, -10.97], [136.18, -11.32], [136.53, -11.47], [136.75, -12.0], [136.53, -12.53], [136.0, -12.75], [135.75, -12.65], [135.5, -12.75], [135.25, -12.65], [135.0, -12.75], [134.47, -12.53], [134.32, -12.18], [134.25, -12.15], [134.0, -12.25], [133.75, -12.15], [133.5, -12.25], [133.25, -12.15], [133.0, -12.25], [132.47, -12.03], [132.25, -11.5], [132.35, -11.25], [132.25, -11.0], [132.35, -10.75]]]]}, "2021-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.35, -10.75], [132.25, -10.5], [132.35, -10.25], [132.25, -10.0], [132.47, -9.47], [132.82, -9.32], [132.85, -9.25], [132.75, -9.0], [132.97, -8.47], [133.5, -8.25], [134.03, -8.47], [134.18, -8.82], [134.25, -8.85], [134.5, -8.75], [135.03, -8.97], [135.25, -9.5], [135.15, -9.75], [135.25, -10.0], [135.15, -10.25], [135.18, -10.32], [135.53, -10.47], [135.68, -10.82], [136.03, -10.97], [136.18, -11.32], [136.53, -11.47], [136.75, -12.0], [136.53, -12.53], [136.0, -12.75], [135.75, -12.65], [135.5, -12.75], [135.25, -12.65], [135.0, -12.75], [134.47, -12.53], [134.32, -12.18], [134.25, -12.15], [134.0, -12.25], [133.75, -12.15], [133.5, -12.25], [133.25, -12.15], [133.0, -12.25], [132.47, -12.03], [132.25, -11.5], [132.35, -11.25], [132.25, -11.0], [132.35, -10.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4310857594305162}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.115614249215255}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.67483918864059, 28.701316865707724, 28.63777638744557, 28.676373436969243, 28.655833538802085]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.680289338226714, 28.73772850336792, 28.904866424007707, 28.937258093178855, 28.93965461285495]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0241362592163625, 1.0673571582458976, 1.1018285235815881, 1.1408512049453743, 1.1167679134613353]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0244460242206515, 1.0887782437521878, 1.306237410696383, 1.3428943322783198, 1.4310857594305162]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.281358548108285, 1.3421312489540325, 1.5166008292606086, 1.5910398717122018, 1.5721981015180764]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2846636326482392, 1.371655533592373, 1.6780066086031105, 1.7422422685100745, 1.9011104800603984]}}