{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:28.879813", "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-26_to_2021-Mar-01_154.5_-29.5"}, "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": 2021020002299}, "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 26 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 01 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": 59538.344641144155}, "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": ["E.Australia", "S.Pacific-Ocean"]}, "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": ["Coral 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": -29.5}, "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": 154.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "154.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 153.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.97, -27.47], [153.5, -27.25], [154.03, -27.47], [154.25, -28.0], [154.15, -28.25], [154.18, -28.32], [154.25, -28.35], [154.5, -28.25], [155.03, -28.47], [155.25, -29.0], [155.15, -29.25], [155.25, -29.5], [155.15, -29.75], [155.25, -30.0], [155.03, -30.53], [154.5, -30.75], [154.25, -30.65], [154.0, -30.75], [153.47, -30.53], [153.25, -30.0], [153.35, -29.75], [153.25, -29.5], [153.35, -29.25], [153.32, -29.18], [152.97, -29.03], [152.75, -28.5], [152.85, -28.25], [152.75, -28.0], [152.97, -27.47]]]]}, "2021-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.97, -27.47], [153.32, -27.32], [153.47, -26.97], [154.0, -26.75], [154.53, -26.97], [154.7, -27.37], [155.0, -27.25], [155.53, -27.47], [155.68, -27.82], [155.75, -27.85], [156.0, -27.75], [156.53, -27.97], [156.75, -28.5], [156.65, -28.75], [156.75, -29.0], [156.53, -29.53], [156.18, -29.68], [156.03, -30.03], [155.68, -30.18], [155.53, -30.53], [155.0, -30.75], [154.75, -30.65], [154.5, -30.75], [154.25, -30.65], [154.0, -30.75], [153.47, -30.53], [153.25, -30.0], [153.35, -29.75], [153.25, -29.5], [153.35, -29.25], [153.32, -29.18], [152.97, -29.03], [152.75, -28.5], [152.85, -28.25], [152.75, -28.0], [152.97, -27.47]]]]}, "2021-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.97, -27.47], [153.32, -27.32], [153.47, -26.97], [154.0, -26.75], [154.53, -26.97], [154.7, -27.37], [155.0, -27.25], [155.53, -27.47], [155.68, -27.82], [155.75, -27.85], [156.0, -27.75], [156.53, -27.97], [156.75, -28.5], [156.65, -28.75], [156.75, -29.0], [156.53, -29.53], [156.18, -29.68], [156.03, -30.03], [155.68, -30.18], [155.53, -30.53], [155.0, -30.75], [154.75, -30.65], [154.5, -30.75], [154.25, -30.65], [154.0, -30.75], [153.47, -30.53], [153.25, -30.0], [153.35, -29.75], [153.25, -29.5], [153.35, -29.25], [153.32, -29.18], [152.97, -29.03], [152.75, -28.5], [152.85, -28.25], [152.75, -28.0], [152.97, -27.47]]]]}, "2021-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[153.35, -29.25], [153.25, -29.0], [153.35, -28.75], [153.25, -28.5], [153.35, -28.25], [153.25, -28.0], [153.35, -27.75], [153.25, -27.5], [153.47, -26.97], [154.0, -26.75], [154.53, -26.97], [154.7, -27.37], [155.0, -27.25], [155.53, -27.47], [155.68, -27.82], [155.75, -27.85], [156.0, -27.75], [156.53, -27.97], [156.75, -28.5], [156.65, -28.75], [156.75, -29.0], [156.53, -29.53], [156.18, -29.68], [156.03, -30.03], [155.68, -30.18], [155.53, -30.53], [155.0, -30.75], [154.75, -30.65], [154.5, -30.75], [154.25, -30.65], [154.0, -30.75], [153.47, -30.53], [153.25, -30.0], [153.35, -29.75], [153.25, -29.5], [153.35, -29.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3849307021577033}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6787976729214311}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.618708009308875, 25.53840809429181, 25.93265569885449, 25.83155162520461]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.89544350630382, 25.94319029911418, 26.269316167670752, 26.093439044003333]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6284486080584983, 1.4312692550178718, 1.8782519889422764, 1.7518188109375898]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1944949256678683, 1.836394786119513, 2.3849307021577033, 2.016292666885761]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5082244797151825, 1.4577605265806008, 1.9480206745839908, 1.913511914458169]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6517693593651752, 1.7477638028941958, 2.1983996927371408, 2.155946556582375]}}