{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:55.596349", "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": "2014-Mar-23_to_2014-Mar-27_141.5_-15.0"}, "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": 2014030000928}, "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": "March 23 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 27 2014"}, "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": "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": 89881.91638657439}, "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": ["Arafura 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": -15.0}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 141.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.53, -16.53], [141.0, -16.75], [140.47, -16.53], [140.25, -16.0], [140.47, -15.47], [141.0, -15.25], [141.53, -15.47], [141.75, -16.0], [141.53, -16.53]]], [[[140.25, -13.5], [140.35, -13.25], [140.25, -13.0], [140.47, -12.47], [140.88, -12.3], [140.82, -12.18], [140.75, -12.15], [140.5, -12.25], [139.97, -12.03], [139.75, -11.5], [139.97, -10.97], [140.5, -10.75], [140.75, -10.85], [141.0, -10.75], [141.53, -10.97], [141.68, -11.32], [142.03, -11.47], [142.25, -12.0], [142.03, -12.53], [141.63, -12.7], [141.75, -13.0], [141.65, -13.25], [141.75, -13.5], [141.65, -13.75], [141.75, -14.0], [141.65, -14.25], [141.75, -14.5], [141.53, -15.03], [141.0, -15.25], [140.47, -15.03], [140.25, -14.5], [140.35, -14.25], [140.25, -14.0], [140.35, -13.75], [140.25, -13.5]]]]}, "2014-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.35, -14.25], [139.25, -14.0], [139.35, -13.75], [139.25, -13.5], [139.47, -12.97], [139.82, -12.82], [139.97, -12.47], [140.5, -12.25], [139.97, -12.03], [139.75, -11.5], [139.97, -10.97], [140.5, -10.75], [140.75, -10.85], [141.0, -10.75], [141.53, -10.97], [141.68, -11.32], [142.03, -11.47], [142.25, -12.0], [142.15, -12.25], [142.25, -12.5], [142.15, -12.75], [142.25, -13.0], [142.15, -13.25], [142.25, -13.5], [142.15, -13.75], [142.25, -14.0], [142.15, -14.25], [142.25, -14.5], [142.15, -14.75], [142.25, -15.0], [142.15, -15.25], [142.25, -15.5], [142.15, -15.75], [142.25, -16.0], [142.03, -16.53], [141.68, -16.68], [141.53, -17.03], [141.0, -17.25], [140.47, -17.03], [140.32, -16.68], [139.97, -16.53], [139.75, -16.0], [139.85, -15.75], [139.82, -15.68], [139.47, -15.53], [139.25, -15.0], [139.35, -14.75], [139.25, -14.5], [139.35, -14.25]], [[140.75, -12.35], [140.82, -12.32], [140.85, -12.25], [140.82, -12.18], [140.75, -12.15], [140.5, -12.25], [140.75, -12.35]]]]}, "2014-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.35, -14.25], [139.25, -14.0], [139.35, -13.75], [139.25, -13.5], [139.47, -12.97], [139.82, -12.82], [139.97, -12.47], [140.5, -12.25], [139.97, -12.03], [139.75, -11.5], [139.97, -10.97], [140.5, -10.75], [140.75, -10.85], [141.0, -10.75], [141.53, -10.97], [141.68, -11.32], [142.03, -11.47], [142.25, -12.0], [142.15, -12.25], [142.25, -12.5], [142.15, -12.75], [142.25, -13.0], [142.15, -13.25], [142.25, -13.5], [142.15, -13.75], [142.25, -14.0], [142.15, -14.25], [142.25, -14.5], [142.15, -14.75], [142.25, -15.0], [142.15, -15.25], [142.25, -15.5], [142.15, -15.75], [142.25, -16.0], [142.03, -16.53], [141.68, -16.68], [141.53, -17.03], [141.0, -17.25], [140.47, -17.03], [140.32, -16.68], [139.97, -16.53], [139.75, -16.0], [139.85, -15.75], [139.82, -15.68], [139.47, -15.53], [139.25, -15.0], [139.35, -14.75], [139.25, -14.5], [139.35, -14.25]], [[140.75, -12.35], [140.82, -12.32], [140.85, -12.25], [140.82, -12.18], [140.75, -12.15], [140.5, -12.25], [140.75, -12.35]]]]}, "2014-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.35, -14.25], [139.25, -14.0], [139.35, -13.75], [139.25, -13.5], [139.47, -12.97], [139.82, -12.82], [139.97, -12.47], [140.5, -12.25], [140.75, -12.35], [140.82, -12.32], [140.97, -11.97], [141.5, -11.75], [142.03, -11.97], [142.25, -12.5], [142.15, -12.75], [142.25, -13.0], [142.15, -13.25], [142.25, -13.5], [142.15, -13.75], [142.25, -14.0], [142.15, -14.25], [142.25, -14.5], [142.15, -14.75], [142.25, -15.0], [142.15, -15.25], [142.25, -15.5], [142.15, -15.75], [142.25, -16.0], [142.03, -16.53], [141.68, -16.68], [141.53, -17.03], [141.0, -17.25], [140.47, -17.03], [140.32, -16.68], [139.97, -16.53], [139.75, -16.0], [139.85, -15.75], [139.82, -15.68], [139.47, -15.53], [139.25, -15.0], [139.35, -14.75], [139.25, -14.5], [139.35, -14.25]]]]}, "2014-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.97, -13.97], [141.5, -13.75], [142.03, -13.97], [142.25, -14.5], [142.15, -14.75], [142.25, -15.0], [142.03, -15.53], [141.5, -15.75], [141.07, -15.57], [141.25, -16.0], [141.03, -16.53], [140.5, -16.75], [139.97, -16.53], [139.75, -16.0], [139.97, -15.47], [140.5, -15.25], [140.93, -15.43], [140.75, -15.0], [140.85, -14.75], [140.75, -14.5], [140.97, -13.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.7767858812657096}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.323267072434662}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.857811043223535, 26.442355710265247, 26.67250130918717, 26.60311241111225, 27.043215837398577]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.544525346691046, 25.967635384001937, 26.049512182401088, 26.29214067848193, 26.864677887452274]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8597141382470355, -1.4704709345737228, -1.2538662723882965, -1.3990016216651666, -1.0997666662668355]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.1781109690882658, -1.7665234655578956, -1.7767858812657096, -1.7521509768054102, -1.1322501924441895]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.34608697119616, -2.1074884777379195, -1.7555029810841447, -1.9173628833752232, -1.5049733461951547]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.4583630745921503, -2.552600034949365, -2.4596098918963705, -2.3619192406725524, -1.574831460190462]}}