{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:10.996646", "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": "2011-Dec-08_to_2011-Dec-13_138.0_-14.0"}, "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": 2011120002014}, "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 08 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2011"}, "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": 60020.91948920328}, "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"]}, "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": -14.0}, "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": 138.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 136.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.97, -13.53], [135.75, -13.0], [135.97, -12.47], [136.5, -12.25], [137.03, -12.47], [137.2, -12.87], [137.32, -12.82], [137.47, -12.47], [138.0, -12.25], [138.25, -12.35], [138.5, -12.25], [139.03, -12.47], [139.25, -13.0], [139.15, -13.25], [139.25, -13.5], [139.15, -13.75], [139.25, -14.0], [139.15, -14.25], [139.25, -14.5], [139.03, -15.03], [138.5, -15.25], [138.25, -15.15], [138.0, -15.25], [137.75, -15.15], [137.5, -15.25], [136.97, -15.03], [136.75, -14.5], [136.85, -14.25], [136.75, -14.0], [136.85, -13.75], [136.8, -13.63], [136.5, -13.75], [135.97, -13.53]]]]}, "2011-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.96, -13.5], [135.75, -13.0], [135.97, -12.47], [136.5, -12.25], [137.03, -12.47], [137.18, -12.82], [137.25, -12.85], [137.32, -12.82], [137.47, -12.47], [138.0, -12.25], [138.25, -12.35], [138.5, -12.25], [139.03, -12.47], [139.25, -13.0], [139.15, -13.25], [139.25, -13.5], [139.15, -13.75], [139.25, -14.0], [139.15, -14.25], [139.25, -14.5], [139.03, -15.03], [138.5, -15.25], [138.25, -15.15], [138.18, -15.18], [138.03, -15.53], [137.5, -15.75], [136.97, -15.53], [136.82, -15.18], [136.75, -15.15], [136.5, -15.25], [135.97, -15.03], [135.75, -14.5], [135.85, -14.25], [135.75, -14.0], [135.96, -13.5]]]]}, "2011-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.96, -13.5], [135.75, -13.0], [135.97, -12.47], [136.5, -12.25], [137.03, -12.47], [137.18, -12.82], [137.25, -12.85], [137.32, -12.82], [137.47, -12.47], [138.0, -12.25], [138.25, -12.35], [138.5, -12.25], [139.03, -12.47], [139.25, -13.0], [139.15, -13.25], [139.25, -13.5], [139.15, -13.75], [139.25, -14.0], [139.15, -14.25], [139.25, -14.5], [139.03, -15.03], [138.5, -15.25], [138.25, -15.15], [138.18, -15.18], [138.03, -15.53], [137.5, -15.75], [136.97, -15.53], [136.82, -15.18], [136.75, -15.15], [136.5, -15.25], [135.97, -15.03], [135.75, -14.5], [135.85, -14.25], [135.75, -14.0], [135.96, -13.5]]]]}, "2011-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.85, -13.75], [135.75, -13.5], [135.97, -12.97], [136.32, -12.82], [136.47, -12.47], [137.0, -12.25], [137.53, -12.47], [137.68, -12.82], [137.75, -12.85], [138.0, -12.75], [138.53, -12.97], [138.75, -13.5], [138.65, -13.75], [138.68, -13.82], [139.03, -13.97], [139.25, -14.5], [139.03, -15.03], [138.5, -15.25], [138.25, -15.15], [138.18, -15.18], [138.03, -15.53], [137.5, -15.75], [136.97, -15.53], [136.82, -15.18], [136.75, -15.15], [136.5, -15.25], [135.97, -15.03], [135.75, -14.5], [135.85, -14.25], [135.75, -14.0], [135.85, -13.75]]]]}, "2011-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.0, -12.25], [137.53, -12.47], [137.75, -13.0], [137.53, -13.53], [137.18, -13.68], [137.03, -14.03], [136.5, -14.25], [135.97, -14.03], [135.75, -13.5], [135.97, -12.97], [136.32, -12.82], [136.47, -12.47], [137.0, -12.25]]]]}, "2011-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.0, -12.25], [137.53, -12.47], [137.75, -13.0], [137.53, -13.53], [137.18, -13.68], [137.03, -14.03], [136.5, -14.25], [135.97, -14.03], [135.75, -13.5], [135.97, -12.97], [136.32, -12.82], [136.47, -12.47], [137.0, -12.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6278523266702791}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0095052967859033}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.53551261121231, 29.799050662139848, 29.678509475802684, 29.735395137663147, 29.528456654618367, 29.47786197569701]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.002929250565558, 30.510055888258307, 30.316768946151512, 30.270130229779568, 29.73107828028469, 29.582209163293896]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.857228436889225, 1.1028882813564027, 0.9903303622126222, 1.0407911711592988, 1.0214885472267667, 1.0086666979496783]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1196173401954752, 1.6278523266702791, 1.2393011215436331, 1.4481438895928136, 1.141222235170403, 1.0286953990408279]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.32759928224265, 1.6595692399605462, 1.5039127693324934, 1.5637087881592813, 1.5284090579201406, 1.5012145720535819]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4920747778069194, 1.9962050208662077, 1.714126234208313, 2.1279532300922166, 1.6691759744641148, 1.5040340256416225]}}