{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:19.698257", "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-Sep-30_to_2014-Oct-04_284.5_-11.5"}, "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": 2014090001100}, "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": "September 30 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 04 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": 66909.47685014975}, "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": ["Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": -11.5}, "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": 284.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "284.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 285.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.75, -11.0], [-76.53, -10.47], [-76.0, -10.25], [-75.47, -10.47], [-75.32, -10.82], [-74.97, -10.97], [-74.75, -11.5], [-74.97, -12.03], [-75.5, -12.25], [-76.03, -12.03], [-76.18, -11.68], [-76.53, -11.53], [-76.75, -11.0]]]]}, "2014-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.75, -8.0], [-78.53, -7.47], [-78.0, -7.25], [-77.47, -7.47], [-77.32, -7.82], [-76.97, -7.97], [-76.82, -8.32], [-76.47, -8.47], [-76.25, -9.0], [-76.35, -9.25], [-76.32, -9.32], [-76.25, -9.35], [-76.0, -9.25], [-75.47, -9.47], [-75.25, -10.0], [-75.35, -10.25], [-75.25, -10.5], [-75.35, -10.75], [-75.32, -10.82], [-74.97, -10.97], [-74.75, -11.5], [-74.85, -11.75], [-74.75, -12.0], [-74.97, -12.53], [-75.5, -12.75], [-76.03, -12.53], [-76.18, -12.18], [-76.53, -12.03], [-76.68, -11.68], [-77.03, -11.53], [-77.25, -11.0], [-77.15, -10.75], [-77.25, -10.5], [-77.15, -10.25], [-77.18, -10.18], [-77.53, -10.03], [-77.68, -9.68], [-78.03, -9.53], [-78.25, -9.0], [-78.15, -8.75], [-78.18, -8.68], [-78.53, -8.53], [-78.75, -8.0]]]]}, "2014-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.75, -8.0], [-78.53, -7.47], [-78.18, -7.32], [-78.03, -6.97], [-77.5, -6.75], [-76.97, -6.97], [-76.75, -7.5], [-76.85, -7.75], [-76.82, -7.82], [-76.47, -7.97], [-76.25, -8.5], [-76.35, -8.75], [-76.32, -8.82], [-75.97, -8.97], [-75.82, -9.32], [-75.47, -9.47], [-75.25, -10.0], [-75.35, -10.25], [-75.25, -10.5], [-75.35, -10.75], [-75.32, -10.82], [-75.25, -10.85], [-75.0, -10.75], [-74.47, -10.97], [-74.25, -11.5], [-74.35, -11.75], [-74.32, -11.82], [-73.97, -11.97], [-73.75, -12.5], [-73.97, -13.03], [-74.5, -13.25], [-75.0, -13.04], [-75.5, -13.25], [-76.03, -13.03], [-76.25, -12.5], [-76.15, -12.25], [-76.18, -12.18], [-76.53, -12.03], [-76.68, -11.68], [-77.03, -11.53], [-77.25, -11.0], [-77.15, -10.75], [-77.25, -10.5], [-77.15, -10.25], [-77.18, -10.18], [-77.53, -10.03], [-77.68, -9.68], [-78.03, -9.53], [-78.25, -9.0], [-78.15, -8.75], [-78.18, -8.68], [-78.53, -8.53], [-78.75, -8.0]]]]}, "2014-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.75, -8.0], [-78.53, -7.47], [-78.18, -7.32], [-78.03, -6.97], [-77.5, -6.75], [-76.97, -6.97], [-76.75, -7.5], [-76.85, -7.75], [-76.82, -7.82], [-76.47, -7.97], [-76.25, -8.5], [-76.35, -8.75], [-76.32, -8.82], [-75.97, -8.97], [-75.82, -9.32], [-75.47, -9.47], [-75.25, -10.0], [-75.35, -10.25], [-75.25, -10.5], [-75.35, -10.75], [-75.32, -10.82], [-75.25, -10.85], [-75.0, -10.75], [-74.47, -10.97], [-74.25, -11.5], [-74.35, -11.75], [-74.32, -11.82], [-73.97, -11.97], [-73.75, -12.5], [-73.97, -13.03], [-74.5, -13.25], [-75.0, -13.04], [-75.5, -13.25], [-76.03, -13.03], [-76.25, -12.5], [-76.15, -12.25], [-76.18, -12.18], [-76.53, -12.03], [-76.68, -11.68], [-77.03, -11.53], [-77.25, -11.0], [-77.15, -10.75], [-77.25, -10.5], [-77.15, -10.25], [-77.18, -10.18], [-77.53, -10.03], [-77.68, -9.68], [-78.03, -9.53], [-78.25, -9.0], [-78.15, -8.75], [-78.18, -8.68], [-78.53, -8.53], [-78.75, -8.0]]]]}, 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{"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.2738854010025307}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.4414465511496208}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.376739382313474, 5.273637688052304, 5.716221814910341, 5.813210166762815, 6.494331104083358]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.7946248270993124, 0.981572364512374, 0.48986070287838857, 1.032972953826743, 1.649547794021089]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.0384443468487916, -1.3463031054202759, -1.6540537307817311, -1.5889368619188686, -1.1012034840897746]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.0878860438464812, -1.6776467992197581, -2.2461726072530155, -2.2738854010025307, -1.273955656758119]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4235222323869228, -1.8318186970402357, -2.3347708567923284, -2.285203691421995, -1.564095462955925]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.4506250166680885, -2.3564290084196235, -3.1422577936622047, -2.8384429717584343, -1.90945296397135]}}