{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:13.116102", "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": "2017-Jun-07_to_2017-Jun-09_146.0_-18.5"}, "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": 2017060000217}, "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": "June 07 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2017"}, "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": 116011.9048478526}, "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": ["E.Australia", "N.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": ["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": -18.5}, "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": 146.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "146.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 144.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.85, -19.25], [143.75, -19.0], [143.97, -18.47], [144.32, -18.32], [144.47, -17.97], [145.0, -17.75], [145.25, -17.85], [145.5, -17.75], [145.75, -17.85], [146.0, -17.75], [146.53, -17.97], [146.75, -18.5], [146.65, -18.75], [146.68, -18.82], [146.75, -18.85], [147.0, -18.75], [147.25, -18.85], [147.5, -18.75], [148.03, -18.97], [148.18, -19.32], [148.53, -19.47], [148.68, -19.82], [149.03, -19.97], [149.25, -20.5], [149.15, -20.75], [149.18, -20.82], [149.25, -20.85], [149.5, -20.75], [150.03, -20.97], [150.25, -21.5], [150.03, -22.03], [149.68, -22.18], [149.65, -22.25], [149.75, -22.5], [149.53, -23.03], [149.0, -23.25], [148.47, -23.03], [148.25, -22.5], [148.35, -22.25], [148.3, -22.12], [148.0, -22.25], [147.75, -22.15], [147.5, -22.25], [146.97, -22.03], [146.82, -21.68], [146.75, -21.65], [146.5, -21.75], [146.25, -21.65], [146.0, -21.75], [145.75, -21.65], [145.5, -21.75], [144.97, -21.53], [144.75, -21.0], [144.93, -20.57], [144.5, -20.75], [143.97, -20.53], [143.75, -20.0], [143.85, -19.75], [143.75, -19.5], [143.85, -19.25]]]]}, "2017-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.85, -19.25], [143.75, -19.0], [143.97, -18.47], [144.32, -18.32], [144.47, -17.97], [145.0, -17.75], [145.25, -17.85], [145.5, -17.75], [145.75, -17.85], [146.0, -17.75], [146.53, -17.97], [146.75, -18.5], [146.65, -18.75], [146.68, -18.82], [146.75, -18.85], [147.0, -18.75], [147.25, -18.85], [147.5, -18.75], [148.03, -18.97], [148.18, -19.32], [148.53, -19.47], [148.68, -19.82], [149.03, -19.97], [149.25, -20.5], [149.15, -20.75], [149.18, -20.82], [149.25, -20.85], [149.5, -20.75], [150.03, -20.97], [150.25, -21.5], [150.03, -22.03], [149.68, -22.18], [149.65, -22.25], [149.75, -22.5], [149.53, -23.03], [149.0, -23.25], [148.47, -23.03], [148.25, -22.5], [148.35, -22.25], [148.3, -22.12], [148.0, -22.25], [147.75, -22.15], [147.5, -22.25], [146.97, -22.03], [146.82, -21.68], [146.75, -21.65], [146.5, -21.75], [146.25, -21.65], [146.0, -21.75], [145.75, -21.65], [145.5, -21.75], [144.97, -21.53], [144.75, -21.0], [144.93, -20.57], [144.5, -20.75], [143.97, -20.53], [143.75, -20.0], [143.85, -19.75], [143.75, -19.5], [143.85, -19.25]]]]}, "2017-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.85, -19.25], [143.75, -19.0], [143.97, -18.47], [144.32, -18.32], [144.47, -17.97], [145.0, -17.75], [145.25, -17.85], [145.5, -17.75], [145.75, -17.85], [146.0, -17.75], [146.53, -17.97], [146.75, -18.5], [146.65, -18.75], [146.68, -18.82], [146.75, -18.85], [147.0, -18.75], [147.25, -18.85], [147.5, -18.75], [148.03, -18.97], [148.18, -19.32], [148.53, -19.47], [148.68, -19.82], [149.03, -19.97], [149.25, -20.5], [149.15, -20.75], [149.18, -20.82], [149.25, -20.85], [149.5, -20.75], [150.03, -20.97], [150.25, -21.5], [150.03, -22.03], [149.68, -22.18], [149.65, -22.25], [149.75, -22.5], [149.53, -23.03], [149.0, -23.25], [148.47, -23.03], [148.25, -22.5], [148.35, -22.25], [148.3, -22.12], [148.0, -22.25], [147.75, -22.15], [147.5, -22.25], [146.97, -22.03], [146.82, -21.68], [146.75, -21.65], [146.5, -21.75], [146.25, -21.65], [146.0, -21.75], [145.75, -21.65], [145.5, -21.75], [144.97, -21.53], [144.75, -21.0], [144.93, -20.57], [144.5, -20.75], [143.97, -20.53], [143.75, -20.0], [143.85, -19.75], [143.75, -19.5], [143.85, -19.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -7.00434640024946}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.929381196162564}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.988755829280876, 12.58422252592618, 13.456100907938662]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.384176130199137, 10.59040218077729, 11.393334737215923]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.4314501639294, -5.700348405155173, -4.656345019403121]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.457474632912522, -7.00434640024946, -5.993531429966083]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.773229414533543, -2.3593459170418454, -1.897072969963713]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.426803372215475, -2.780721648386195, -2.601944573123448]}}