{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:38.079965", "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": "2019-Oct-02_to_2019-Oct-07_144.5_-17.0"}, "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": 2019100000141}, "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": "October 02 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 76428.26313029524}, "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": ["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": -17.0}, "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": 144.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 147.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -18.5], [145.97, -17.97], [146.5, -17.75], [147.03, -17.97], [147.18, -18.32], [147.53, -18.47], [147.75, -19.0], [147.53, -19.53], [147.0, -19.75], [146.47, -19.53], [146.32, -19.18], [145.97, -19.03], [145.75, -18.5]]]]}, "2019-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -18.5], [145.97, -17.97], [146.5, -17.75], [147.03, -17.97], [147.18, -18.32], [147.53, -18.47], [147.75, -19.0], [147.53, -19.53], [147.0, -19.75], [146.47, -19.53], [146.32, -19.18], [145.97, -19.03], [145.75, -18.5]]]]}, "2019-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -16.97], [143.5, -16.75], [143.75, -16.85], [143.82, -16.82], [143.97, -16.47], [144.32, -16.32], [144.47, -15.97], [145.0, -15.75], [145.53, -15.97], [145.75, -16.5], [145.63, -16.8], [146.03, -16.97], [146.25, -17.5], [146.15, -17.75], [146.18, -17.82], [146.25, -17.85], [146.5, -17.75], [147.03, -17.97], [147.18, -18.32], [147.53, -18.47], [147.75, -19.0], [147.53, -19.53], [147.0, -19.75], [146.5, -19.54], [146.0, -19.75], [145.75, -19.65], [145.5, -19.75], [145.25, -19.65], [145.0, -19.75], [144.75, -19.65], [144.5, -19.75], [143.97, -19.53], [143.82, -19.18], [143.47, -19.03], [143.32, -18.68], [142.97, -18.53], [142.75, -18.0], [142.85, -17.75], [142.75, -17.5], [142.97, -16.97]]]]}, "2019-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -16.97], [143.32, -16.82], [143.47, -16.47], [144.0, -16.25], [144.25, -16.35], [144.32, -16.32], [144.47, -15.97], [145.0, -15.75], [145.53, -15.97], [145.68, -16.32], [146.03, -16.47], [146.25, -17.0], [146.15, -17.25], [146.25, -17.5], [146.15, -17.75], [146.18, -17.82], [146.53, -17.97], [146.7, -18.37], [147.0, -18.25], [147.53, -18.47], [147.75, -19.0], [147.53, -19.53], [147.0, -19.75], [146.5, -19.54], [146.0, -19.75], [145.75, -19.65], [145.5, -19.75], [145.25, -19.65], [145.0, -19.75], [144.75, -19.65], [144.5, -19.75], [143.97, -19.53], [143.82, -19.18], [143.47, -19.03], [143.32, -18.68], [142.97, -18.53], [142.75, -18.0], 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-19.25], [145.47, -19.03]]], [[[143.25, -17.0], [143.47, -16.47], [144.0, -16.25], [144.25, -16.35], [144.32, -16.32], [144.47, -15.97], [145.0, -15.75], [145.53, -15.97], [145.68, -16.32], [146.03, -16.47], [146.25, -17.0], [146.03, -17.53], [145.5, -17.75], [145.25, -17.65], [145.0, -17.75], [144.75, -17.65], [144.5, -17.75], [144.25, -17.65], [144.0, -17.75], [143.47, -17.53], [143.25, -17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.181397464476731}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.7294163582777893}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.75874511997347, 22.797229665513214, 21.255713855261718, 20.789843049001774, 21.55653067791866, 21.708842097886816]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily 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"anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3168456479075268, -1.4038766917604004, -1.9005630151910493, -2.5279506320879515, -1.9274673328040373, -1.8766612290008344]}}