{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:35.776193", "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": "2010-Sep-03_to_2010-Sep-05_132.0_-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": 2010090000200}, "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": "September 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 70377.13665340767}, "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": ["C.Australia"]}, "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": []}, "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": 132.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 133.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -26.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.75, -25.0], [129.97, -24.47], [130.32, -24.32], [130.47, -23.97], [130.82, -23.82], [130.85, -23.75], [130.75, -23.5], [130.97, -22.97], [131.32, -22.82], [131.35, -22.75], [131.25, -22.5], [131.47, -21.97], [132.0, -21.75], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.18, -22.82], [133.53, -22.97], [133.75, -23.5], [133.65, -23.75], [133.75, -24.0], [133.53, -24.53], [133.18, -24.68], [133.15, -24.75], [133.25, -25.0], [133.15, -25.25], [133.25, -25.5], [133.03, -26.03], [132.68, -26.18], [132.53, -26.53], [132.0, -26.75], [131.47, -26.53], [131.32, -26.18], [131.25, -26.15], [131.0, -26.25], [130.47, -26.03], [130.32, -25.68], [129.97, -25.53], [129.75, -25.0]]]]}, "2010-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.75, -25.0], [129.97, -24.47], [130.32, -24.32], [130.47, -23.97], [130.82, -23.82], [130.85, -23.75], [130.75, -23.5], [130.97, -22.97], [131.32, -22.82], [131.35, -22.75], [131.25, -22.5], [131.47, -21.97], [132.0, -21.75], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.18, -22.82], [133.53, -22.97], [133.75, -23.5], [133.65, -23.75], [133.75, -24.0], [133.53, -24.53], [133.18, -24.68], [133.15, -24.75], [133.25, -25.0], [133.15, -25.25], [133.25, -25.5], [133.03, -26.03], [132.68, -26.18], [132.53, -26.53], [132.0, -26.75], [131.47, -26.53], [131.32, -26.18], [131.25, -26.15], [131.0, -26.25], [130.47, -26.03], [130.32, -25.68], [129.97, -25.53], [129.75, -25.0]]]]}, "2010-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.75, -25.0], [129.97, -24.47], [130.32, -24.32], [130.47, -23.97], [130.82, -23.82], [130.85, -23.75], [130.75, -23.5], [130.97, -22.97], [131.32, -22.82], [131.35, -22.75], [131.25, -22.5], [131.47, -21.97], [132.0, -21.75], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.18, -22.82], [133.53, -22.97], [133.75, -23.5], [133.65, -23.75], [133.75, -24.0], [133.53, -24.53], [133.18, -24.68], [133.15, -24.75], [133.25, -25.0], [133.15, -25.25], [133.25, -25.5], [133.03, -26.03], [132.68, -26.18], [132.53, -26.53], [132.0, -26.75], [131.47, -26.53], [131.32, -26.18], [131.25, -26.15], [131.0, -26.25], [130.47, -26.03], [130.32, -25.68], [129.97, -25.53], [129.75, -25.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -8.035308282162816}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -6.2333869710938385}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.899857093133846, 12.170614359096646, 13.630176995168199]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.772566138413595, 10.68201228169977, 12.298157979104246]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.9403966831951065, -7.020605259884309, -5.7391589702021]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.751818949376059, -8.035308282162816, -6.762817303257236]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5878729084710952, -1.8916789952569553, -1.57029929682453]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8858654112105522, -2.129173740374258, -1.8583198467753275]}}