{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:44.328061", "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": "2022-Apr-19_to_2022-Apr-22_154.5_-21.0"}, "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": 2022040002137}, "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 19 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 22 2022"}, "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": 103571.13596569866}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": -21.0}, "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": 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": 150.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[150.5, -20.75], [150.75, -20.85], [151.0, -20.75], [151.25, -20.85], [151.5, -20.75], [151.75, -20.85], [151.82, -20.82], [151.97, -20.47], [152.5, -20.25], [152.75, -20.35], [152.82, -20.32], [152.97, -19.97], [153.5, -19.75], [153.75, -19.85], [154.0, -19.75], [154.25, -19.85], [154.5, -19.75], [154.75, -19.85], [155.0, -19.75], [155.53, -19.97], [155.68, -20.32], [155.75, -20.35], [156.0, -20.25], [156.53, -20.47], [156.68, -20.82], [157.03, -20.97], [157.25, -21.5], [157.03, -22.03], [156.5, -22.25], [156.25, -22.15], [156.18, -22.18], [156.03, -22.53], [155.5, -22.75], [155.25, -22.65], [155.0, -22.75], [154.75, -22.65], [154.68, -22.68], [154.53, -23.03], [154.0, -23.25], [153.47, -23.03], [153.32, -22.68], [153.25, -22.65], [153.0, -22.75], [152.75, -22.65], [152.5, -22.75], [152.25, -22.65], [152.0, -22.75], [151.75, -22.65], [151.5, -22.75], [151.25, -22.65], [151.0, -22.75], [150.47, -22.53], [150.32, -22.18], [149.97, -22.03], [149.75, -21.5], [149.97, -20.97], [150.5, -20.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "E.Australia", "S.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -22.03], [149.75, -21.5], [149.97, -20.97], [150.5, -20.75], [150.75, -20.85], [151.0, -20.75], [151.25, -20.85], [151.5, -20.75], [151.75, -20.85], [151.82, -20.82], [151.97, -20.47], [152.5, -20.25], [152.75, -20.35], [152.82, -20.32], [152.97, -19.97], [153.5, -19.75], [153.75, -19.85], [154.0, -19.75], [154.25, -19.85], [154.5, -19.75], [154.75, -19.85], [155.0, -19.75], [155.53, -19.97], [155.68, -20.32], [155.75, -20.35], [156.0, -20.25], [156.53, -20.47], [156.68, -20.82], [157.03, -20.97], [157.25, -21.5], [157.03, -22.03], [156.5, -22.25], [156.25, -22.15], [156.18, -22.18], [156.03, -22.53], [155.5, -22.75], [155.25, -22.65], [155.0, -22.75], [154.75, -22.65], [154.68, -22.68], [154.53, -23.03], [154.0, 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1.22749081579301]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4599277683801688, 1.6753221213776897, 1.3072667827400437, 1.2977297188685952]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.835124450659747, 1.7085964551347566, 1.4584876774172364, 1.6785394097470003]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.154265171605286, 2.2147920511183954, 1.6704705739821069, 1.8427862370008]}}