{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:27.442364", "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-Oct-03_to_2014-Oct-07_297.5_-8.0"}, "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": 2014100000171}, "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 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 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": 103851.57641595851}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "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": -8.0}, "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": 297.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "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": {"2014-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.0, -8.25], [-60.47, -8.47], [-60.25, -9.0], [-60.47, -9.53], [-61.0, -9.75], [-61.53, -9.53], [-61.75, -9.0], [-61.53, -8.47], [-61.0, -8.25]]]]}, "2014-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -8.75], [-64.25, -8.5], [-64.15, -8.25], [-64.25, -8.0], [-64.03, -7.47], [-63.68, -7.32], [-63.53, -6.97], [-63.0, -6.75], [-62.75, -6.85], [-62.5, -6.75], [-62.0, -6.96], [-61.5, -6.75], [-60.97, -6.97], [-60.82, -7.32], [-60.75, -7.35], [-60.5, -7.25], [-59.97, -7.47], [-59.82, -7.82], [-59.47, -7.97], [-59.25, -8.5], [-59.47, -9.03], [-59.87, -9.2], [-59.75, -9.5], [-59.97, -10.03], [-60.32, -10.18], [-60.47, -10.53], [-61.0, -10.75], [-61.25, -10.65], [-61.5, -10.75], [-61.75, -10.65], [-62.0, -10.75], [-62.25, -10.65], [-62.5, -10.75], [-62.75, -10.65], [-63.0, -10.75], [-63.53, -10.53], [-63.68, -10.18], [-64.03, -10.03], [-64.25, -9.5], [-64.15, -9.25], [-64.25, -9.0], [-64.15, -8.75]]]]}, "2014-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -8.75], [-64.25, -8.5], [-64.15, -8.25], [-64.25, -8.0], [-64.03, -7.47], [-63.68, -7.32], [-63.53, -6.97], [-63.0, -6.75], [-62.75, -6.85], [-62.5, -6.75], [-62.0, -6.96], [-61.5, -6.75], [-60.97, -6.97], [-60.82, -7.32], [-60.75, -7.35], [-60.5, -7.25], [-59.97, -7.47], [-59.82, -7.82], [-59.47, -7.97], [-59.25, -8.5], [-59.47, -9.03], [-59.87, -9.2], [-59.75, -9.5], [-59.97, -10.03], [-60.32, -10.18], [-60.47, -10.53], [-61.0, -10.75], [-61.25, -10.65], [-61.5, -10.75], [-61.75, -10.65], [-62.0, -10.75], [-62.25, -10.65], [-62.5, -10.75], [-62.75, -10.65], [-63.0, -10.75], [-63.53, -10.53], [-63.68, -10.18], [-64.03, -10.03], [-64.25, -9.5], [-64.15, -9.25], [-64.25, -9.0], [-64.15, -8.75]]]]}, "2014-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -8.75], [-64.25, -8.5], [-64.15, -8.25], [-64.25, -8.0], [-64.03, -7.47], [-63.68, -7.32], [-63.53, -6.97], [-63.0, -6.75], [-62.75, -6.85], [-62.5, -6.75], [-62.0, -6.96], [-61.5, -6.75], [-60.97, -6.97], [-60.82, -7.32], [-60.75, -7.35], [-60.5, -7.25], [-59.97, -7.47], [-59.82, -7.82], [-59.47, -7.97], [-59.25, -8.5], [-59.47, -9.03], [-59.87, -9.2], [-59.75, -9.5], [-59.97, -10.03], [-60.32, -10.18], [-60.47, -10.53], [-61.0, -10.75], [-61.25, -10.65], [-61.5, -10.75], [-61.75, -10.65], [-62.0, -10.75], [-62.25, -10.65], [-62.5, -10.75], [-62.75, -10.65], [-63.0, -10.75], [-63.53, -10.53], [-63.68, -10.18], [-64.03, -10.03], [-64.25, -9.5], [-64.15, -9.25], [-64.25, -9.0], [-64.15, -8.75]]]]}, "2014-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.53, -6.97], [-63.0, -6.75], [-62.47, -6.97], [-62.32, -7.32], [-61.97, -7.47], [-61.75, -8.0], [-61.97, -8.53], [-62.5, -8.75], [-62.75, -8.65], [-63.0, -8.75], [-63.53, -8.53], [-63.75, -8.0], [-63.65, -7.75], [-63.75, -7.5], [-63.53, -6.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.595965226545161}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.0030307993851704}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.131101952825304, 24.780846643694076, 25.064761131978287, 24.877958148656205, 25.613550154838833]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.131101952825304, 24.14558854535329, 24.548278101999983, 24.52257780734277, 25.359927467905493]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6176897601123983, -2.1745094226327844, -1.8633303722699917, -2.0200985848530073, -1.5778900210063398]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6176897601123983, -2.595965226545161, -2.299900949886535, -2.425581273298235, 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