{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:49.792788", "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-Oct-19_to_2010-Oct-22_305.0_0.0"}, "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": 2010100000766}, "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 19 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 22 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 154509.05653601012}, "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": ["Brazil", "Suriname"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": 0.0}, "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": 305.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.03, 1.53], [-56.68, 1.68], [-56.53, 2.03], [-56.0, 2.25], [-55.75, 2.15], [-55.5, 2.25], [-55.25, 2.15], [-55.0, 2.25], [-54.75, 2.15], [-54.5, 2.25], [-54.25, 2.15], [-54.0, 2.25], [-53.75, 2.15], [-53.5, 2.25], [-52.97, 2.03], [-52.82, 1.68], [-52.47, 1.53], [-52.25, 1.0], [-52.35, 0.75], [-52.25, 0.5], [-52.46, 0.0], [-52.32, -0.32], [-51.97, -0.47], [-51.75, -1.0], [-51.97, -1.53], [-52.5, -1.75], [-52.75, -1.65], [-52.82, -1.68], [-52.97, -2.03], [-53.5, -2.25], [-53.75, -2.15], [-54.0, -2.25], [-54.25, -2.15], [-54.5, -2.25], [-55.03, -2.03], [-55.18, -1.68], [-55.53, -1.53], [-55.68, -1.18], [-55.75, -1.15], [-56.0, -1.25], [-56.53, -1.03], [-56.75, -0.5], [-56.54, -0.0], [-56.68, 0.32], [-57.03, 0.47], [-57.25, 1.0], [-57.03, 1.53]]], [[[-57.53, 2.47], [-57.75, 3.0], [-57.53, 3.53], [-57.0, 3.75], [-56.47, 3.53], [-56.25, 3.0], [-56.47, 2.47], [-57.0, 2.25], [-57.53, 2.47]]]]}, "2010-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.53, 2.47], [-57.75, 3.0], [-57.53, 3.53], [-57.0, 3.75], [-56.75, 3.65], [-56.5, 3.75], [-55.97, 3.53], [-55.82, 3.18], [-55.75, 3.15], [-55.5, 3.25], [-55.25, 3.15], [-55.18, 3.18], [-55.03, 3.53], [-54.5, 3.75], [-53.97, 3.53], [-53.75, 3.0], [-53.97, 2.47], [-54.32, 2.32], [-54.35, 2.25], [-54.32, 2.18], [-54.25, 2.15], [-54.0, 2.25], [-53.75, 2.15], [-53.5, 2.25], [-52.97, 2.03], [-52.82, 1.68], [-52.47, 1.53], [-52.25, 1.0], [-52.35, 0.75], [-52.25, 0.5], [-52.46, 0.0], [-52.32, -0.32], [-51.97, -0.47], [-51.75, -1.0], [-51.97, -1.53], [-52.5, -1.75], [-52.75, -1.65], [-52.82, -1.68], [-52.97, -2.03], [-53.5, -2.25], [-53.75, -2.15], [-54.0, -2.25], [-54.25, -2.15], [-54.5, -2.25], [-55.03, -2.03], [-55.18, -1.68], [-55.53, -1.53], [-55.68, -1.18], [-55.75, -1.15], [-56.0, -1.25], [-56.53, -1.03], [-56.75, -0.5], [-56.54, -0.0], [-56.68, 0.32], [-57.03, 0.47], [-57.25, 1.0], [-57.03, 1.53], [-56.68, 1.68], [-56.65, 1.75], [-56.75, 2.0], [-56.65, 2.25], [-56.68, 2.32], [-56.75, 2.35], [-57.0, 2.25], [-57.53, 2.47]]]]}, "2010-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.53, 2.47], [-57.75, 3.0], [-57.53, 3.53], [-57.0, 3.75], [-56.75, 3.65], [-56.5, 3.75], [-55.97, 3.53], [-55.82, 3.18], [-55.75, 3.15], [-55.5, 3.25], [-55.25, 3.15], [-55.18, 3.18], [-55.03, 3.53], [-54.5, 3.75], [-53.97, 3.53], [-53.75, 3.0], [-53.97, 2.47], [-54.32, 2.32], [-54.35, 2.25], [-54.32, 2.18], [-54.25, 2.15], [-54.0, 2.25], [-53.75, 2.15], [-53.5, 2.25], [-52.97, 2.03], [-52.82, 1.68], [-52.47, 1.53], [-52.25, 1.0], [-52.35, 0.75], [-52.25, 0.5], [-52.46, 0.0], [-52.32, -0.32], [-51.97, -0.47], [-51.75, -1.0], [-51.97, -1.53], [-52.5, -1.75], [-52.75, -1.65], [-52.82, -1.68], [-52.97, -2.03], [-53.5, -2.25], [-53.75, -2.15], [-54.0, -2.25], [-54.25, -2.15], [-54.5, -2.25], [-55.03, -2.03], [-55.18, -1.68], [-55.53, -1.53], [-55.68, -1.18], [-55.75, -1.15], [-56.0, -1.25], [-56.53, -1.03], [-56.75, -0.5], [-56.54, -0.0], [-56.68, 0.32], [-57.03, 0.47], [-57.25, 1.0], [-57.03, 1.53], [-56.68, 1.68], [-56.65, 1.75], [-56.75, 2.0], [-56.65, 2.25], [-56.68, 2.32], [-56.75, 2.35], [-57.0, 2.25], [-57.53, 2.47]]]]}, "2010-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 3.0], [-57.03, 3.53], [-56.5, 3.75], [-55.97, 3.53], [-55.82, 3.18], [-55.75, 3.15], [-55.5, 3.25], [-55.25, 3.15], [-55.18, 3.18], [-55.03, 3.53], [-54.5, 3.75], [-53.97, 3.53], [-53.75, 3.0], [-53.97, 2.47], [-54.32, 2.32], [-54.35, 2.25], [-54.25, 2.0], [-54.35, 1.75], [-54.25, 1.5], [-54.35, 1.25], [-54.25, 1.0], [-54.46, 0.5], [-54.25, 0.0], [-54.47, -0.53], [-55.0, -0.75], [-55.53, -0.53], [-55.68, -0.18], [-56.03, -0.03], [-56.18, 0.32], [-56.53, 0.47], [-56.75, 1.0], [-56.65, 1.25], [-56.75, 1.5], [-56.65, 1.75], [-56.75, 2.0], [-56.65, 2.25], [-56.68, 2.32], [-57.03, 2.47], [-57.25, 3.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.9826715176308767}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.151495906404869}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.312043292857197, 25.05599029485137, 25.247625439542446, 25.355129795622588]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.110411746341924, 23.41692539611097, 23.80769226608362, 24.72361097892457]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.1459878881300627, -2.3051053326761153, -2.135510149047531, -1.7358804890202748]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.930025287520607, -2.8656028534457505, -2.9826715176308767, -1.9650856085893906]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.801376181445227, -1.9663193820060119, -1.8820115624356597, -1.5228903863598804]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.832362253275685, -2.486004811463427, -2.5505615719671124, -1.8387330074098402]}}