{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:56.797573", "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-Dec-18_to_2016-Dec-20_292.5_-49.5"}, "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": 2016120002152}, "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": "December 18 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 20 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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 67258.82274274094}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": ["South Atlantic Ocean"]}, "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": -49.5}, "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": 292.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -50.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.15, -49.25], [-68.25, -49.0], [-68.03, -48.47], [-67.5, -48.25], [-67.25, -48.35], [-67.18, -48.32], [-67.03, -47.97], [-66.68, -47.82], [-66.65, -47.75], [-66.75, -47.5], [-66.65, -47.25], [-66.75, -47.0], [-66.53, -46.47], [-66.0, -46.25], [-65.75, -46.35], [-65.5, -46.25], [-64.97, -46.47], [-64.82, -46.82], [-64.75, -46.85], [-64.5, -46.75], [-63.97, -46.97], [-63.75, -47.5], [-63.85, -47.75], [-63.75, -48.0], [-63.85, -48.25], [-63.75, -48.5], [-63.85, -48.75], [-63.75, -49.0], [-63.97, -49.53], [-64.32, -49.68], [-64.47, -50.03], [-64.82, -50.18], [-64.97, -50.53], [-65.5, -50.75], [-65.75, -50.65], [-66.0, -50.75], [-66.25, -50.65], [-66.5, -50.75], [-66.75, -50.65], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-68.03, -50.53], [-68.25, -50.0], [-68.15, -49.75], [-68.25, -49.5], [-68.15, -49.25]]]]}, "2016-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.15, -49.25], [-68.25, -49.0], [-68.03, -48.47], [-67.5, -48.25], [-67.25, -48.35], [-67.18, -48.32], [-67.03, -47.97], [-66.68, -47.82], [-66.65, -47.75], [-66.75, -47.5], [-66.65, -47.25], [-66.75, -47.0], [-66.53, -46.47], [-66.0, -46.25], [-65.75, -46.35], [-65.5, -46.25], [-64.97, -46.47], [-64.82, -46.82], [-64.75, -46.85], [-64.5, -46.75], [-63.97, -46.97], [-63.75, -47.5], [-63.85, -47.75], [-63.75, -48.0], [-63.85, -48.25], [-63.75, -48.5], [-63.85, -48.75], [-63.75, -49.0], [-63.97, -49.53], [-64.32, -49.68], [-64.47, -50.03], [-64.82, -50.18], [-64.97, -50.53], [-65.5, -50.75], [-65.75, -50.65], [-66.0, -50.75], [-66.25, -50.65], [-66.5, -50.75], [-66.75, -50.65], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-68.03, -50.53], [-68.25, -50.0], [-68.15, -49.75], [-68.25, -49.5], [-68.15, -49.25]]]]}, "2016-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.15, -49.25], [-68.25, -49.0], [-68.03, -48.47], [-67.5, -48.25], [-67.25, -48.35], [-67.18, -48.32], [-67.03, -47.97], [-66.68, -47.82], [-66.65, -47.75], [-66.75, -47.5], [-66.65, -47.25], [-66.75, -47.0], [-66.53, -46.47], [-66.0, -46.25], [-65.75, -46.35], [-65.5, -46.25], [-64.97, -46.47], [-64.82, -46.82], [-64.75, -46.85], [-64.5, -46.75], [-63.97, -46.97], [-63.75, -47.5], [-63.85, -47.75], [-63.75, -48.0], [-63.85, -48.25], [-63.75, -48.5], [-63.85, -48.75], [-63.75, -49.0], [-63.97, -49.53], [-64.32, -49.68], [-64.47, -50.03], [-64.82, -50.18], [-64.97, -50.53], [-65.5, -50.75], [-65.75, -50.65], [-66.0, -50.75], [-66.25, -50.65], [-66.5, -50.75], [-66.75, -50.65], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-68.03, -50.53], [-68.25, -50.0], [-68.15, -49.75], [-68.25, -49.5], [-68.15, -49.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.980055986948685}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.113215601828547}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.64739400822657, 15.715568679027115, 15.091197075903438]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.383131408598217, 23.119866639617896, 21.78396853578414]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6826698963132487, 3.678495440821178, 2.978481468351214]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.242837979488286, 6.980055986948685, 5.867841194221512]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.521469939363451, 2.0660118544690595, 1.7143309467219343]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.039674121393025, 2.537627903851685, 2.066549307410148]}}