{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:44.161282", "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-Feb-09_to_2022-Feb-12_142.0_-24.0"}, "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": 2022020001717}, "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 09 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 12 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": 50986.90035980253}, "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": []}, "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": -24.0}, "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": 142.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 141.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 144.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[145.03, -23.97], [145.25, -24.5], [145.03, -25.03], [144.5, -25.25], [144.25, -25.15], [144.0, -25.25], [143.75, -25.15], [143.5, -25.25], [143.25, -25.15], [143.0, -25.25], [142.75, -25.15], [142.5, -25.25], [142.25, -25.15], [142.0, -25.25], [141.47, -25.03], [141.25, -24.5], [141.35, -24.25], [141.25, -24.0], [141.35, -23.75], [141.32, -23.68], [140.97, -23.53], [140.82, -23.18], [140.47, -23.03], [140.25, -22.5], [140.47, -21.97], [141.0, -21.75], [141.25, -21.85], [141.32, -21.82], [141.47, -21.47], [142.0, -21.25], [142.53, -21.47], [142.75, -22.0], [142.65, -22.25], [142.68, -22.32], [143.03, -22.47], [143.25, -23.0], [143.15, -23.25], [143.18, -23.32], [143.53, -23.47], [143.68, -23.82], [143.75, -23.85], [144.0, -23.75], [144.25, -23.85], [144.5, -23.75], [145.03, -23.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.0, -23.75], [144.25, -23.85], [144.5, -23.75], [145.03, -23.97], [145.25, -24.5], [145.03, -25.03], [144.5, -25.25], [144.25, -25.15], [144.0, -25.25], [143.47, -25.03], [143.25, -24.5], [143.47, -23.97], [144.0, -23.75]]], [[[140.25, -22.5], [140.47, -21.97], [141.0, -21.75], [141.25, -21.85], [141.32, -21.82], [141.47, -21.47], [142.0, -21.25], [142.53, -21.47], [142.75, -22.0], [142.65, -22.25], [142.68, -22.32], [143.03, -22.47], [143.25, -23.0], [143.15, -23.25], [143.25, -23.5], [143.15, -23.75], [143.25, -24.0], [143.15, -24.25], [143.25, -24.5], [143.03, -25.03], [142.5, -25.25], [142.25, -25.15], [142.0, -25.25], [141.47, -25.03], [141.25, -24.5], [141.35, -24.25], [141.25, -24.0], [141.35, -23.75], [141.32, -23.68], [140.97, -23.53], [140.82, -23.18], [140.47, -23.03], [140.25, -22.5]]]]}, "2022-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.47, -23.03], [140.25, -22.5], [140.47, -21.97], [141.0, -21.75], [141.25, -21.85], [141.32, -21.82], [141.47, -21.47], [142.0, -21.25], [142.53, -21.47], [142.75, -22.0], [142.65, -22.25], [142.68, -22.32], [143.03, -22.47], [143.25, -23.0], [143.15, -23.25], [143.18, -23.32], [143.53, -23.47], [143.68, -23.82], [143.75, -23.85], [144.0, -23.75], [144.25, -23.85], [144.5, -23.75], [145.03, -23.97], [145.25, -24.5], [145.03, -25.03], [144.5, -25.25], [144.25, -25.15], [144.0, -25.25], [143.75, -25.15], [143.5, -25.25], [143.25, -25.15], [143.0, -25.25], [142.75, -25.15], [142.5, -25.25], [142.25, -25.15], [142.0, -25.25], [141.47, -25.03], [141.25, -24.5], [141.35, -24.25], [141.25, -24.0], [141.35, -23.75], [141.32, -23.68], [140.97, -23.53], [140.82, -23.18], [140.47, -23.03]]]]}, "2022-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.47, -23.03], [140.25, -22.5], [140.47, -21.97], [141.0, -21.75], [141.25, -21.85], [141.32, -21.82], [141.47, -21.47], [142.0, -21.25], [142.53, -21.47], [142.75, -22.0], [142.65, -22.25], [142.68, -22.32], 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[142.75, -25.15], [142.5, -25.25], [142.25, -25.15], [142.0, -25.25], [141.47, -25.03], [141.25, -24.5], [141.35, -24.25], [141.25, -24.0], [141.35, -23.75], [141.32, -23.68], [140.97, -23.53], [140.75, -23.0], [140.85, -22.75], [140.75, -22.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.179595366433716}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9233853023525285}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.755298440851504, 34.191326516739935, 34.437120501875825, 34.32351052949895]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.52460507764789, 34.92603315851352, 35.301188567528754, 35.681912996761696]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5749864422839095, 3.959855724913521, 4.161407583966236, 3.9453171658821193]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.145866055795807, 4.458491342854927, 4.847175664014003, 5.179595366433716]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.388628702036012, 1.535537193411984, 1.613699409437987, 1.5095853895440141]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6280255377623805, 1.832347938647377, 1.8991563955640778, 1.9383795079207693]}}