{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:36.743509", "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-Jan-12_to_2014-Jan-14_293.5_-47.0"}, "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": 2014010001914}, "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": "January 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 14 2014"}, "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": 51518.16960556686}, "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": -47.0}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.75}, "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": -50.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -49.47], [-69.18, -49.32], [-69.15, -49.25], [-69.25, -49.0], [-69.15, -48.75], [-69.25, -48.5], [-69.15, -48.25], [-69.25, -48.0], [-69.15, -47.75], [-69.25, -47.5], [-69.03, -46.97], [-68.68, -46.82], [-68.65, -46.75], [-68.75, -46.5], [-68.53, -45.97], [-68.0, -45.75], [-67.75, -45.85], [-67.5, -45.75], [-66.97, -45.97], [-66.82, -46.32], [-66.75, -46.35], [-66.5, -46.25], [-65.97, -46.47], [-65.75, -47.0], [-65.97, -47.53], [-66.32, -47.68], [-66.35, -47.75], [-66.25, -48.0], [-66.35, -48.25], [-66.25, -48.5], [-66.47, -49.03], [-67.0, -49.25], [-67.25, -49.15], [-67.32, -49.18], [-67.35, -49.25], [-67.25, -49.5], [-67.47, -50.03], [-67.82, -50.18], [-67.97, -50.53], [-68.32, -50.68], [-68.47, -51.03], [-69.0, -51.25], [-69.53, -51.03], [-69.75, -50.5], [-69.65, -50.25], [-69.75, -50.0], [-69.53, -49.47]]]]}, "2014-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -49.47], [-69.18, -49.32], [-69.15, -49.25], [-69.25, -49.0], [-69.15, -48.75], [-69.25, -48.5], [-69.15, -48.25], [-69.25, -48.0], [-69.15, -47.75], [-69.25, -47.5], [-69.03, -46.97], [-68.68, -46.82], [-68.65, -46.75], [-68.75, -46.5], [-68.53, -45.97], [-68.0, -45.75], [-67.75, -45.85], [-67.5, -45.75], [-66.97, -45.97], [-66.82, -46.32], [-66.75, -46.35], [-66.5, -46.25], [-65.97, -46.47], [-65.75, -47.0], [-65.97, -47.53], [-66.32, -47.68], [-66.35, -47.75], [-66.25, -48.0], [-66.35, -48.25], [-66.25, -48.5], [-66.47, -49.03], [-67.0, -49.25], [-67.25, -49.15], [-67.32, -49.18], [-67.35, -49.25], [-67.25, -49.5], [-67.47, -50.03], [-67.82, -50.18], [-67.97, -50.53], [-68.32, -50.68], [-68.47, -51.03], [-69.0, -51.25], [-69.53, -51.03], [-69.75, -50.5], [-69.65, -50.25], [-69.75, -50.0], [-69.53, -49.47]]]]}, "2014-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -49.47], [-69.18, -49.32], [-69.15, -49.25], [-69.25, -49.0], [-69.15, -48.75], [-69.25, -48.5], [-69.15, -48.25], [-69.25, -48.0], [-69.15, -47.75], [-69.25, -47.5], [-69.03, -46.97], [-68.68, -46.82], [-68.65, -46.75], [-68.75, -46.5], [-68.53, -45.97], [-68.0, -45.75], [-67.75, -45.85], [-67.5, -45.75], [-66.97, -45.97], [-66.82, -46.32], [-66.75, -46.35], [-66.5, -46.25], [-65.97, -46.47], [-65.75, -47.0], [-65.97, -47.53], [-66.32, -47.68], [-66.35, -47.75], [-66.25, -48.0], [-66.35, -48.25], [-66.25, -48.5], [-66.47, -49.03], [-67.0, -49.25], [-67.25, -49.15], [-67.32, -49.18], [-67.35, -49.25], [-67.25, -49.5], [-67.47, -50.03], [-67.82, -50.18], [-67.97, -50.53], [-68.32, -50.68], [-68.47, -51.03], [-69.0, -51.25], [-69.53, -51.03], [-69.75, -50.5], [-69.65, -50.25], [-69.75, -50.0], [-69.53, -49.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.658423556969183}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.951926344852437}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.618092153100804, 24.858856873682782, 23.20266618243022]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.70474555489818, 26.426777731997788, 25.130897888563823]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.664562094421144, 6.865595301767216, 5.3256216383689505]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.953431704004345, 7.658423556969183, 6.833076272625419]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7128759594451568, 2.14858533897903, 1.7428516114806578]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0323234623874544, 2.370337848373515, 2.5725463147988283]}}