{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:02.001215", "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-12_to_2022-Jan-16_144.0_-44.5"}, "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": 2022010002000}, "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 12 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 16 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 53081.83506941926}, "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": ["Indian Ocean"]}, "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": -44.5}, "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": 144.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.0}, "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": -45.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -43.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[144.03, -45.53], [143.5, -45.75], [143.25, -45.65], [143.0, -45.75], [142.75, -45.65], [142.5, -45.75], [141.97, -45.53], [141.82, -45.18], [141.47, -45.03], [141.25, -44.5], [141.35, -44.25], [141.25, -44.0], [141.47, -43.47], [142.0, -43.25], [142.25, -43.35], [142.32, -43.32], [142.47, -42.97], [143.0, -42.75], [143.53, -42.97], [143.68, -43.32], [143.75, -43.35], [144.0, -43.25], [144.25, -43.35], [144.5, -43.25], [144.75, -43.35], [145.0, -43.25], [145.25, -43.35], [145.5, -43.25], [145.75, -43.35], [146.0, -43.25], [146.5, -43.46], [147.0, -43.25], [147.53, -43.47], [147.75, -44.0], [147.65, -44.25], [147.75, -44.5], [147.53, -45.03], [147.0, -45.25], [146.75, -45.15], [146.5, -45.25], [146.0, -45.04], [145.5, -45.25], [145.25, -45.15], [145.0, -45.25], [144.75, -45.15], [144.5, -45.25], [144.25, -45.15], [144.18, -45.18], [144.03, -45.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.47, -43.97], [144.0, -43.75], [144.53, -43.97], [144.75, -44.5], [144.53, -45.03], [144.0, -45.25], [143.47, -45.03], [143.25, -44.5], [143.47, -43.97]]]]}, "2022-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, -44.0], [141.47, -43.47], [142.0, -43.25], [142.25, -43.35], [142.32, -43.32], [142.47, -42.97], [143.0, -42.75], [143.53, -42.97], [143.68, -43.32], [143.75, -43.35], [144.0, -43.25], [144.25, -43.35], [144.5, -43.25], [144.75, -43.35], [145.0, -43.25], [145.25, -43.35], [145.5, -43.25], [145.75, -43.35], [146.0, -43.25], [146.5, -43.46], [147.0, -43.25], [147.53, -43.47], [147.75, -44.0], [147.53, -44.53], [147.18, -44.68], [147.03, -45.03], [146.5, -45.25], [146.0, -45.04], [145.5, -45.25], [145.25, -45.15], [145.0, -45.25], [144.75, -45.15], [144.5, -45.25], [144.25, -45.15], [144.18, -45.18], [144.03, -45.53], [143.5, -45.75], [143.25, -45.65], [143.0, 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-44.25], [141.25, -44.0]]]]}, "2022-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, -44.0], [141.47, -43.47], [142.0, -43.25], [142.25, -43.35], [142.32, -43.32], [142.47, -42.97], [143.0, -42.75], [143.53, -42.97], [143.68, -43.32], [143.75, -43.35], [144.0, -43.25], [144.25, -43.35], [144.5, -43.25], [144.75, -43.35], [145.0, -43.25], [145.25, -43.35], [145.5, -43.25], [146.03, -43.47], [146.2, -43.87], [146.32, -43.82], [146.47, -43.47], [147.0, -43.25], [147.53, -43.47], [147.75, -44.0], [147.65, -44.25], [147.75, -44.5], [147.53, -45.03], [147.0, -45.25], [146.75, -45.15], [146.5, -45.25], [146.0, -45.04], [145.5, -45.25], [145.25, -45.15], [145.0, -45.25], [144.75, -45.15], [144.5, -45.25], [144.25, -45.15], [144.18, -45.18], [144.03, -45.53], [143.5, -45.75], [143.25, -45.65], [143.0, -45.75], [142.75, -45.65], [142.5, -45.75], [141.97, -45.53], [141.82, -45.18], [141.47, -45.03], [141.25, -44.5], [141.35, -44.25], [141.25, -44.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.087162087289016}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0003486623927516}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.726244594583022, 15.314804775320397, 15.560018174827917, 15.01086616591266, 15.234030728270852]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.726244594583022, 16.473461739893366, 17.108721027746185, 16.388286174577956, 16.255068066853426]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5879430414006492, 1.9970153846341854, 2.2774225564977613, 1.7648636798786772, 1.9782154941865207]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5879430414006492, 2.6123416845532006, 3.087162087289016, 2.226571751523238, 2.3513565633503504]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.369643528486911, 1.6602166609033815, 1.8440147691841389, 1.4371587935850731, 1.6153046035681187]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.369643528486911, 2.1643693792120993, 2.253469762969051, 1.742579850950797, 1.9074556105697247]}}