{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:37.108672", "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": "2016-Jun-26_to_2016-Jun-28_296.5_-19.0"}, "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": 2016060000857}, "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 26 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 2016"}, "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": 123926.51200632169}, "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", "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": -19.0}, "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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.25}, "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": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.75, -21.0], [-64.65, -20.75], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.65, -19.75], [-64.75, -19.5], [-64.53, -18.97], [-64.18, -18.82], [-64.03, -18.47], [-63.68, -18.32], [-63.53, -17.97], [-63.0, -17.75], [-62.75, -17.85], [-62.5, -17.75], [-61.97, -17.97], [-61.75, -18.5], [-61.85, -18.75], [-61.75, -19.0], [-61.85, -19.25], [-61.75, -19.5], [-61.96, -20.0], [-61.75, -20.5], [-61.85, -20.75], [-61.82, -20.82], [-61.75, -20.85], [-61.5, -20.75], [-60.97, -20.97], [-60.82, -21.32], [-60.75, -21.35], [-60.5, -21.25], [-59.97, -21.47], [-59.82, -21.82], [-59.47, -21.97], [-59.25, -22.5], [-59.47, -23.03], [-59.82, -23.18], [-59.85, -23.25], [-59.75, -23.5], [-59.97, -24.03], [-60.5, -24.25], [-60.75, -24.15], [-61.0, -24.25], [-61.53, -24.03], [-61.68, -23.68], [-62.03, -23.53], [-62.18, -23.18], [-62.53, -23.03], [-62.68, -22.68], [-62.75, -22.65], [-63.0, -22.75], [-63.53, -22.53], [-63.68, -22.18], [-63.75, -22.15], [-63.82, -22.18], [-63.97, -22.53], [-64.5, -22.75], [-65.03, -22.53], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.65, -21.25], [-64.75, -21.0]]]]}, "2016-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.75, -21.0], [-64.65, -20.75], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.65, -19.75], [-64.75, -19.5], [-64.53, -18.97], [-64.18, -18.82], [-64.03, -18.47], [-63.68, -18.32], [-63.53, -17.97], [-63.0, -17.75], [-62.75, -17.85], [-62.5, -17.75], [-61.97, -17.97], [-61.75, -18.5], [-61.85, -18.75], [-61.75, -19.0], [-61.85, -19.25], [-61.75, -19.5], [-61.96, -20.0], [-61.75, -20.5], [-61.85, -20.75], [-61.82, -20.82], [-61.75, -20.85], [-61.5, -20.75], [-60.97, -20.97], [-60.82, -21.32], [-60.75, -21.35], [-60.5, -21.25], [-59.97, -21.47], [-59.82, -21.82], [-59.47, -21.97], [-59.25, -22.5], [-59.47, -23.03], [-59.82, -23.18], [-59.85, -23.25], [-59.75, -23.5], [-59.97, -24.03], [-60.5, -24.25], [-60.75, -24.15], [-61.0, -24.25], [-61.53, -24.03], [-61.68, -23.68], [-62.03, -23.53], [-62.18, -23.18], [-62.53, -23.03], [-62.68, -22.68], [-62.75, -22.65], [-63.0, -22.75], [-63.53, -22.53], [-63.68, -22.18], [-63.75, -22.15], [-63.82, -22.18], [-63.97, -22.53], [-64.5, -22.75], [-65.03, -22.53], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.65, -21.25], [-64.75, -21.0]]]]}, "2016-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.75, -21.0], [-64.65, -20.75], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.65, -19.75], [-64.75, -19.5], [-64.53, -18.97], [-64.18, -18.82], [-64.03, -18.47], [-63.68, -18.32], [-63.53, -17.97], [-63.0, -17.75], [-62.75, -17.85], [-62.5, -17.75], [-61.97, -17.97], [-61.75, -18.5], [-61.85, -18.75], [-61.75, -19.0], [-61.85, -19.25], [-61.75, -19.5], [-61.96, -20.0], [-61.75, -20.5], [-61.85, -20.75], [-61.82, -20.82], [-61.75, -20.85], [-61.5, -20.75], [-60.97, -20.97], [-60.82, -21.32], [-60.75, -21.35], [-60.5, -21.25], [-59.97, -21.47], [-59.82, -21.82], [-59.47, -21.97], [-59.25, -22.5], [-59.47, -23.03], [-59.82, -23.18], [-59.85, -23.25], [-59.75, -23.5], [-59.97, -24.03], [-60.5, -24.25], [-60.75, -24.15], [-61.0, -24.25], [-61.53, -24.03], [-61.68, -23.68], [-62.03, -23.53], [-62.18, -23.18], [-62.53, -23.03], [-62.68, -22.68], [-62.75, -22.65], [-63.0, -22.75], [-63.53, -22.53], [-63.68, -22.18], [-63.75, -22.15], [-63.82, -22.18], [-63.97, -22.53], [-64.5, -22.75], [-65.03, -22.53], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.65, -21.25], [-64.75, -21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -8.442831577115044}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -6.618870090798115}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.60343735297755, 10.269765967409228, 11.811938407643765]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.468545645503866, 5.706107037958986, 6.5532227337396876]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-6.877653200689982, -7.174389619029411, -5.804567452674946]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-7.906724682467427, -8.442831577115044, -6.734316952429822]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6770256724753112, -1.760077035172953, -1.4216179502488175]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.0503732276462645, -2.443196408132265, -1.734378260072387]}}