{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:03.816495", "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-Jan-15_to_2022-Jan-22_144.5_-12.5"}, "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": 2022010002137}, "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": "January 15 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 90193.48923000187}, "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": -12.5}, "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": 144.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 147.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[143.75, -11.85], [143.88, -11.8], [143.75, -11.5], [143.97, -10.97], [144.5, -10.75], [144.75, -10.85], [145.0, 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"description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.25, -12.5], [143.47, -11.97], [144.0, -11.75], [144.25, -11.85], [144.5, -11.75], [145.03, -11.97], [145.18, -12.32], [145.53, -12.47], [145.68, -12.82], [146.03, -12.97], [146.25, -13.5], [146.15, -13.75], [146.18, -13.82], [146.53, -13.97], [146.75, -14.5], [146.65, -14.75], [146.75, -15.0], [146.53, -15.53], [146.0, -15.75], [145.47, -15.53], [145.32, -15.18], [145.25, -15.15], [145.0, -15.25], [144.47, -15.03], [144.32, -14.68], [143.97, -14.53], [143.75, -14.0], [143.85, -13.75], [143.82, -13.68], [143.47, -13.53], [143.25, -13.0], [143.35, -12.75], [143.25, -12.5]]]]}, "2022-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -13.03], [142.75, -12.5], [142.97, -11.97], [143.5, -11.75], [143.75, -11.85], [144.0, -11.75], [144.25, -11.85], [144.5, -11.75], [145.03, -11.97], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9345539897543518, 1.064311621400527, 1.0824514739588158, 1.118800639270619, 0.9578589007734024, 1.0339410957450923, 1.142106430659491, 1.134353978084827]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1038732041702701, 1.2582350078053537, 1.2135142517714712, 1.2593730267674914, 1.1870797406139673, 1.0948242903212417, 1.1525800480370663, 1.2072117649738061]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4506432616798588, 1.652208245687049, 1.666367507323979, 1.6985879646380517, 1.557407464836098, 1.699931873750867, 1.801583850730564, 1.7233897290332056]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7417361192489373, 2.0001376556583974, 2.0125431017474393, 1.9846865604330044, 1.9406162257604018, 1.8179227133856068, 1.8288126432967298, 1.8350419154387505]}}