{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:36.470863", "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-Jun-20_to_2013-Jun-23_299.0_-21.0"}, "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": 2013060000845}, "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": "June 20 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 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": 109059.46984085918}, "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": ["Argentina", "Bolivia", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": -21.0}, "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": 299.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.65, -21.75], [-63.75, -21.5], [-63.53, -20.97], 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[-63.0, -19.25], [-62.75, -19.35], [-62.5, -19.25], [-62.25, -19.35], [-62.0, -19.25], [-61.75, -19.35], [-61.5, -19.25], [-60.97, -19.47], [-60.82, -19.82], [-60.47, -19.97], [-60.32, -20.32], [-59.97, -20.47], [-59.75, -21.0], [-59.96, -21.5], [-59.75, -22.0], [-59.85, -22.25], [-59.75, -22.5], [-59.85, -22.75], [-59.75, -23.0], [-59.85, -23.25], [-59.75, -23.5], [-59.85, -23.75], [-59.75, -24.0], [-59.97, -24.53], [-60.5, -24.75], [-61.03, -24.53], [-61.18, -24.18], [-61.53, -24.03], [-61.68, -23.68], [-61.75, -23.65], [-62.0, -23.75], [-62.25, -23.65], [-62.5, -23.75], [-63.03, -23.53], [-63.18, -23.18], [-63.53, -23.03], [-63.75, -22.5], [-63.65, -22.25], [-63.75, -22.0], [-63.65, -21.75]]]]}, "2013-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -19.47], [-61.5, -19.25], [-60.97, -19.47], [-60.82, -19.82], [-60.47, -19.97], [-60.32, -20.32], [-59.97, -20.47], [-59.75, -21.0], [-59.97, -21.53], [-60.5, -21.75], [-60.75, -21.65], [-61.0, -21.75], [-61.53, -21.53], [-61.68, -21.18], [-62.03, -21.03], [-62.25, -20.5], [-62.15, -20.25], [-62.25, -20.0], [-62.03, -19.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -10.12677455967787}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -7.450628741706939}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.637890711966293, 10.925674392849317, 11.679259914758518, 13.648592789183567]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.362367653950798, 9.944251849533714, 10.394988306117682, 13.450932272987586]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-7.1816579957052555, -8.021713977157507, -7.249444818231235, -6.52217399270977]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-7.630496574600102, -10.12677455967787, -9.412781708761543, -6.701583240588889]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.498780623539237, -1.6387938462198444, -1.4808071961252844, -1.2910481388125032]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8138669325493808, -1.9927804544706853, -1.7889532335603413, -1.3049187137096063]}}