{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:21.620328", "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-Dec-14_to_2013-Dec-16_301.5_-2.0"}, "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": 2013120001941}, "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 14 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 16 2013"}, "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": 64837.91515664334}, "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"]}, "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": -2.0}, "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": 301.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.03, -2.97], [-59.68, -2.82], [-59.65, -2.75], [-59.75, -2.5], [-59.54, -2.0], [-59.75, -1.5], [-59.53, -0.97], [-59.0, -0.75], [-58.75, -0.85], [-58.5, -0.75], [-58.25, -0.85], [-58.0, -0.75], [-57.47, -0.97], [-57.32, -1.32], [-57.25, -1.35], [-57.0, -1.25], [-56.47, -1.47], [-56.32, -1.82], [-55.97, -1.97], [-55.75, -2.5], [-55.97, -3.03], [-56.32, -3.18], [-56.47, -3.53], [-57.0, -3.75], [-57.3, -3.62], [-57.35, -3.75], [-57.25, -4.0], [-57.47, -4.53], [-58.0, -4.75], [-58.53, -4.53], [-58.68, -4.18], [-58.8, -4.12], [-58.97, -4.53], [-59.5, -4.75], [-60.03, -4.53], [-60.25, -4.0], [-60.15, -3.75], [-60.25, -3.5], [-60.03, -2.97]]]]}, "2013-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.03, -2.97], [-59.68, -2.82], [-59.65, -2.75], [-59.75, -2.5], [-59.54, -2.0], [-59.75, -1.5], [-59.53, -0.97], [-59.0, -0.75], [-58.75, -0.85], [-58.5, -0.75], [-58.25, -0.85], [-58.0, -0.75], [-57.47, -0.97], [-57.32, -1.32], [-57.25, -1.35], [-57.0, -1.25], [-56.47, -1.47], [-56.32, -1.82], [-55.97, -1.97], [-55.75, -2.5], [-55.97, -3.03], [-56.32, -3.18], [-56.47, -3.53], [-57.0, -3.75], [-57.3, -3.62], [-57.35, -3.75], [-57.25, -4.0], [-57.47, -4.53], [-58.0, -4.75], [-58.53, -4.53], [-58.68, -4.18], [-58.8, -4.12], [-58.97, -4.53], [-59.5, -4.75], [-60.03, -4.53], [-60.25, -4.0], [-60.15, -3.75], [-60.25, -3.5], [-60.03, -2.97]]]]}, "2013-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.03, -2.97], [-59.68, -2.82], [-59.65, -2.75], [-59.75, -2.5], [-59.54, -2.0], [-59.75, -1.5], [-59.53, -0.97], [-59.0, -0.75], [-58.75, -0.85], [-58.5, -0.75], [-58.25, -0.85], [-58.0, -0.75], [-57.47, -0.97], [-57.32, -1.32], [-57.25, -1.35], [-57.0, -1.25], [-56.47, -1.47], [-56.32, -1.82], [-55.97, -1.97], [-55.75, -2.5], [-55.97, -3.03], [-56.32, -3.18], [-56.47, -3.53], [-57.0, -3.75], [-57.3, -3.62], [-57.35, -3.75], [-57.25, -4.0], [-57.47, -4.53], [-58.0, -4.75], [-58.53, -4.53], [-58.68, -4.18], [-58.8, -4.12], [-58.97, -4.53], [-59.5, -4.75], [-60.03, -4.53], [-60.25, -4.0], [-60.15, -3.75], [-60.25, -3.5], [-60.03, -2.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8133451315769094}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9973078081385376}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.69139420767067, 28.612470076872, 28.371467570427512]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.552649125107052, 29.40021713481184, 29.32445403607005]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0573251096237213, 2.0614642406221315, 1.8731340741697597]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5695399265104584, 2.8133451315769094, 2.393416606963342]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6484485821741013, 1.6840367708861068, 1.5216452401464657]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1730640921775417, 2.0843960109183493, 1.9494133290057154]}}