{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:05.729951", "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": "2018-Feb-13_to_2018-Feb-16_289.0_-5.0"}, "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": 2018020000510}, "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": "February 13 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 16 2018"}, "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": 129308.96000164808}, "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", "Colombia", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -5.0}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.53, -7.03], [-70.75, -6.5], [-70.53, -5.97], [-70.0, 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"coordinates": [[[[-72.15, -5.25], [-72.25, -5.0], [-72.03, -4.47], [-71.5, -4.25], [-71.25, -4.35], [-71.18, -4.32], [-71.15, -4.25], [-71.25, -4.0], [-71.04, -3.5], [-71.25, -3.0], [-71.03, -2.47], [-70.5, -2.25], [-69.97, -2.47], [-69.82, -2.82], [-69.47, -2.97], [-69.32, -3.32], [-69.2, -3.38], [-69.03, -2.97], [-68.5, -2.75], [-68.25, -2.85], [-68.0, -2.75], [-67.47, -2.97], [-67.25, -3.5], [-67.35, -3.75], [-67.32, -3.82], [-67.25, -3.85], [-67.0, -3.75], [-66.75, -3.85], [-66.5, -3.75], [-65.97, -3.97], [-65.75, -4.5], [-65.85, -4.75], [-65.75, -5.0], [-65.97, -5.53], [-66.32, -5.68], [-66.47, -6.03], [-67.0, -6.25], [-67.25, -6.15], [-67.5, -6.25], [-67.75, -6.15], [-68.0, -6.25], [-68.25, -6.15], [-68.5, -6.25], [-68.75, -6.15], [-69.0, -6.25], [-69.25, -6.15], [-69.37, -6.2], [-69.32, -6.32], [-68.97, -6.47], [-68.75, -7.0], [-68.97, -7.53], [-69.5, -7.75], [-69.75, -7.65], [-70.0, -7.75], [-70.53, -7.53], [-70.68, -7.18], [-70.75, -7.15], [-71.0, -7.25], [-71.53, -7.03], 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{"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.974737595196586, 23.89419596177669, 23.429999020776506, 22.89945016341079]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.3593991138147137, -1.3834234724060313, -1.6968874994791936, -1.7477297090133206]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.55159337686365, -1.790957071242019, -2.2127459851303115, -2.774942915251927]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4863967103453881, -1.478355088323317, -1.7527626075141454, -1.804193002989696]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7104767929353872, -1.997484099744461, -2.2752061454015524, -2.8152719144622584]}}