{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:38.561495", "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": "2013-Oct-10_to_2013-Oct-13_294.5_-10.0"}, "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": 2013100000474}, "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 10 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 13 2013"}, "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": 103798.47014497744}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -10.0}, "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": 294.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.03, -9.47], [-65.68, -9.32], [-65.53, -8.97], [-65.0, 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[-68.75, -9.5], [-68.65, -9.25], [-68.68, -9.18], [-68.75, -9.15], [-69.0, -9.25], [-69.25, -9.15], [-69.5, -9.25], [-70.03, -9.03], [-70.25, -8.5], [-70.15, -8.25], [-70.25, -8.0], [-70.03, -7.47]]]]}, "2013-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -7.47], [-69.5, -7.25], [-69.25, -7.35], [-69.0, -7.25], [-68.75, -7.35], [-68.5, -7.25], [-67.97, -7.47], [-67.82, -7.82], [-67.75, -7.85], [-67.68, -7.82], [-67.53, -7.47], [-67.0, -7.25], [-66.75, -7.35], [-66.5, -7.25], [-66.0, -7.46], [-65.5, -7.25], [-64.97, -7.47], [-64.75, -8.0], [-64.85, -8.25], [-64.82, -8.32], [-64.47, -8.47], [-64.25, -9.0], [-64.35, -9.25], [-64.25, -9.5], [-64.47, -10.03], [-64.82, -10.18], [-64.85, -10.25], [-64.75, -10.5], [-64.97, -11.03], [-65.5, -11.25], [-65.75, -11.15], [-66.0, -11.25], [-66.53, -11.03], [-66.68, -10.68], [-66.75, -10.65], [-67.0, -10.75], [-67.53, -10.53], [-67.7, -10.12], [-68.0, -10.25], [-68.53, -10.03], [-68.75, -9.5], [-68.65, -9.25], [-68.68, -9.18], [-68.75, -9.15], [-69.0, -9.25], [-69.25, -9.15], [-69.5, -9.25], [-70.03, -9.03], [-70.25, -8.5], [-70.15, -8.25], [-70.25, -8.0], [-70.03, -7.47]]]]}, "2013-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -7.47], [-69.5, -7.25], [-69.25, -7.35], [-69.0, -7.25], [-68.75, -7.35], [-68.5, -7.25], [-67.97, -7.47], [-67.82, -7.82], [-67.75, -7.85], [-67.68, -7.82], [-67.53, -7.47], [-67.0, -7.25], [-66.75, -7.35], [-66.5, -7.25], [-66.0, -7.46], [-65.5, -7.25], [-64.97, -7.47], [-64.75, -8.0], [-64.85, -8.25], [-64.82, -8.32], [-64.47, -8.47], [-64.25, -9.0], [-64.35, -9.25], [-64.25, -9.5], [-64.47, -10.03], [-64.82, -10.18], [-64.85, -10.25], [-64.75, -10.5], [-64.97, -11.03], [-65.5, -11.25], [-65.75, -11.15], [-66.0, -11.25], [-66.53, -11.03], [-66.68, -10.68], [-66.75, -10.65], [-67.0, -10.75], [-67.53, -10.53], [-67.7, -10.12], [-68.0, -10.25], [-68.53, -10.03], [-68.75, -9.5], [-68.65, -9.25], [-68.68, -9.18], [-68.75, -9.15], [-69.0, -9.25], [-69.25, -9.15], [-69.5, -9.25], [-70.03, -9.03], [-70.25, -8.5], [-70.15, -8.25], [-70.25, -8.0], [-70.03, -7.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.211779433124832}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.170108071082133}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.746198998270927, 24.597565842611118, 24.00136431432736, 24.35485528869043]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.590334383676748, 24.054364288556542, 23.31283808785281, 23.43377858240609]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.943225924961003, -1.8906717038354321, -2.50246886477896, -2.137202657525048]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.178093219302582, -2.6692149219771863, -3.211779433124832, -2.67408939040223]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4381654215962987, -1.4311515552945837, -1.9169266751422265, -1.6358284226403987]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5300074039626432, -1.7852026837377901, -2.604788520573629, -2.153031637939718]}}