{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:02.756154", "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-Nov-10_to_2010-Nov-12_288.0_-6.5"}, "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": 2010110000475}, "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": "November 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 12 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 52093.028439345624}, "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", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "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": -6.5}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.18, -7.32], [-73.03, -6.97], [-72.68, -6.82], [-72.65, -6.75], [-72.75, -6.5], [-72.53, -5.97], [-72.0, -5.75], [-71.47, -5.97], [-71.32, -6.32], [-71.0, -6.46], [-70.5, -6.25], [-70.25, -6.35], [-70.0, -6.25], [-69.47, -6.47], [-69.32, -6.82], [-68.97, -6.97], [-68.75, -7.5], [-68.97, -8.03], [-69.5, -8.25], [-69.75, -8.15], [-69.82, -8.18], [-69.97, -8.53], [-70.5, -8.75], [-71.03, -8.53], [-71.18, -8.18], [-71.25, -8.15], [-71.5, -8.25], [-71.75, -8.15], [-71.82, -8.18], [-71.97, -8.53], [-72.32, -8.68], [-72.47, -9.03], [-73.0, -9.25], [-73.25, -9.15], [-73.5, -9.25], [-74.03, -9.03], [-74.25, -8.5], [-74.03, -7.97], [-73.68, -7.82], [-73.53, -7.47], [-73.18, -7.32]]]]}, "2010-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.18, -7.32], [-73.03, -6.97], [-72.68, -6.82], [-72.65, -6.75], [-72.75, -6.5], [-72.53, -5.97], [-72.0, -5.75], [-71.47, -5.97], [-71.32, -6.32], [-71.0, -6.46], [-70.5, -6.25], [-70.25, -6.35], [-70.0, -6.25], [-69.47, -6.47], [-69.32, -6.82], [-68.97, -6.97], [-68.75, -7.5], [-68.97, -8.03], [-69.5, -8.25], [-69.75, -8.15], [-69.82, -8.18], [-69.97, -8.53], [-70.5, -8.75], [-71.03, -8.53], [-71.18, -8.18], [-71.25, -8.15], [-71.5, -8.25], [-71.75, -8.15], [-71.82, -8.18], [-71.97, -8.53], [-72.32, -8.68], [-72.47, -9.03], [-73.0, -9.25], [-73.25, -9.15], [-73.5, -9.25], [-74.03, -9.03], [-74.25, -8.5], [-74.03, -7.97], [-73.68, -7.82], [-73.53, -7.47], [-73.18, -7.32]]]]}, "2010-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.18, -7.32], [-73.03, -6.97], [-72.68, -6.82], [-72.65, -6.75], [-72.75, -6.5], [-72.53, -5.97], [-72.0, -5.75], [-71.47, -5.97], [-71.32, -6.32], [-71.0, -6.46], [-70.5, -6.25], [-70.25, -6.35], [-70.0, -6.25], [-69.47, -6.47], [-69.32, -6.82], [-68.97, -6.97], [-68.75, -7.5], [-68.97, -8.03], [-69.5, -8.25], [-69.75, -8.15], [-69.82, -8.18], [-69.97, -8.53], [-70.5, -8.75], [-71.03, -8.53], [-71.18, -8.18], [-71.25, -8.15], [-71.5, -8.25], [-71.75, -8.15], [-71.82, -8.18], [-71.97, -8.53], [-72.32, -8.68], [-72.47, -9.03], [-73.0, -9.25], [-73.25, -9.15], [-73.5, -9.25], [-74.03, -9.03], [-74.25, -8.5], [-74.03, -7.97], [-73.68, -7.82], [-73.53, -7.47], [-73.18, -7.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.9759371336307936}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.4236131308990005}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.513360632070828, 23.022158930497426, 23.105470315733555]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.083842262127405, 22.22330142980161, 22.00236385327554]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.4244617301099372, -2.96636857477797, -2.880009087809095]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6418404365284687, -3.5134430290284513, -3.9759371336307936]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.216090879633361, -2.511742168846, -2.410829519211651]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3385769439532902, -2.87060096292689, -3.4748873692254194]}}