{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:26.425013", "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": "2015-Jul-24_to_2015-Jul-26_117.5_-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": 2015070001061}, "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": "July 24 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 26 2015"}, "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": 93206.08621129778}, "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": 117.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "117.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, -22.97], [117.0, -22.75], [117.25, -22.85], [117.5, -22.75], [117.75, -22.85], [118.0, -22.75], [118.25, -22.85], [118.32, -22.82], [118.47, -22.47], [119.0, -22.25], [119.53, -22.47], [119.68, -22.82], [119.75, -22.85], [120.0, -22.75], [120.25, -22.85], [120.5, -22.75], [120.75, -22.85], [121.0, -22.75], [121.25, -22.85], [121.5, -22.75], [122.03, -22.97], [122.18, -23.32], [122.25, -23.35], [122.5, -23.25], [123.03, -23.47], [123.25, -24.0], [123.15, -24.25], [123.25, -24.5], [123.03, -25.03], [122.5, -25.25], [122.25, -25.15], [122.0, -25.25], [121.75, -25.15], [121.5, -25.25], [121.25, -25.15], [121.0, -25.25], [120.75, -25.15], [120.5, -25.25], [120.25, -25.15], [120.0, -25.25], [119.75, -25.15], [119.5, -25.25], [119.25, -25.15], [119.0, -25.25], [118.75, -25.15], [118.5, -25.25], [118.25, -25.15], [118.0, -25.25], [117.47, -25.03], [117.32, -24.68], [117.25, -24.65], [117.0, -24.75], [116.47, -24.53], [116.25, -24.0], [116.35, -23.75], [116.25, -23.5], [116.47, -22.97]]]]}, "2015-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, -22.97], [117.0, -22.75], [117.25, -22.85], [117.5, -22.75], [117.75, -22.85], [118.0, -22.75], [118.25, -22.85], [118.32, -22.82], [118.47, -22.47], [119.0, -22.25], [119.53, -22.47], [119.68, -22.82], [119.75, -22.85], [120.0, -22.75], [120.25, -22.85], [120.5, -22.75], [120.75, -22.85], [121.0, -22.75], [121.25, -22.85], [121.5, -22.75], [122.03, -22.97], [122.18, -23.32], [122.25, -23.35], [122.5, -23.25], [123.03, -23.47], [123.25, -24.0], [123.15, -24.25], [123.25, -24.5], [123.03, -25.03], [122.5, -25.25], [122.25, -25.15], [122.0, -25.25], [121.75, -25.15], [121.5, -25.25], [121.25, -25.15], [121.0, -25.25], [120.75, -25.15], [120.5, -25.25], [120.25, -25.15], [120.0, -25.25], [119.75, -25.15], [119.5, -25.25], [119.25, -25.15], [119.0, -25.25], [118.75, -25.15], [118.5, -25.25], [118.25, -25.15], [118.0, -25.25], [117.47, -25.03], [117.32, -24.68], [117.25, -24.65], [117.0, -24.75], [116.47, -24.53], [116.25, -24.0], [116.35, -23.75], [116.25, -23.5], [116.47, -22.97]]]]}, "2015-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, -22.97], [117.0, -22.75], [117.25, -22.85], [117.5, -22.75], [117.75, -22.85], [118.0, -22.75], [118.25, -22.85], [118.32, -22.82], [118.47, -22.47], [119.0, -22.25], [119.53, -22.47], [119.68, -22.82], [119.75, -22.85], [120.0, -22.75], [120.25, -22.85], [120.5, -22.75], [120.75, -22.85], [121.0, -22.75], [121.25, -22.85], [121.5, -22.75], [122.03, -22.97], [122.18, -23.32], [122.25, -23.35], [122.5, -23.25], [123.03, -23.47], [123.25, -24.0], [123.15, -24.25], [123.25, -24.5], [123.03, -25.03], [122.5, -25.25], [122.25, -25.15], [122.0, -25.25], [121.75, -25.15], [121.5, -25.25], [121.25, -25.15], [121.0, -25.25], [120.75, -25.15], [120.5, -25.25], [120.25, -25.15], [120.0, -25.25], [119.75, -25.15], [119.5, -25.25], [119.25, -25.15], [119.0, -25.25], [118.75, -25.15], [118.5, -25.25], [118.25, -25.15], [118.0, -25.25], [117.47, -25.03], [117.32, -24.68], [117.25, -24.65], [117.0, -24.75], [116.47, -24.53], [116.25, -24.0], [116.35, -23.75], [116.25, -23.5], [116.47, -22.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.003816659790573}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.343082921232276}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.024820008971915, 10.901371156789708, 12.415853354745309]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.027645257310212, 10.059348792981837, 11.187682567228933]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.9899471943023244, -5.21850299521167, -3.820798574182835]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.466525006642655, -6.003816659790573, -4.270623827064014]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5045184965562766, -1.9820425849631895, -1.4388523903264918]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6918014971893507, -2.397003653398831, -1.594726131373595]}}