{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:49.009958", "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": "2017-Dec-28_to_2017-Dec-30_301.0_-36.5"}, "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": 2017120002696}, "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 28 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 30 2017"}, "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": 128272.8590333791}, "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.E.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": -36.5}, "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": 301.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.65, -34.75], [-63.75, -34.5], [-63.53, -33.97], [-63.0, -33.75], [-62.75, -33.85], [-62.5, -33.75], [-62.25, -33.85], [-62.0, -33.75], [-61.75, -33.85], [-61.5, -33.75], [-61.25, -33.85], [-61.18, -33.82], [-61.15, -33.75], [-61.25, -33.5], [-61.03, -32.97], [-60.5, -32.75], [-60.25, -32.85], [-60.0, -32.75], [-59.75, -32.85], [-59.5, -32.75], [-58.97, -32.97], [-58.75, -33.5], [-58.85, -33.75], [-58.75, -34.0], [-58.97, -34.53], [-59.32, -34.68], [-59.35, -34.75], [-59.32, -34.82], [-59.25, -34.85], [-59.0, -34.75], [-58.47, -34.97], [-58.25, -35.5], [-58.35, -35.75], [-58.32, -35.82], [-57.97, -35.97], [-57.75, -36.5], [-57.85, -36.75], [-57.75, -37.0], [-57.85, -37.25], [-57.75, -37.5], [-57.97, -38.03], [-58.5, -38.25], [-58.75, -38.15], [-59.0, -38.25], [-59.53, -38.03], [-59.68, -37.68], [-59.75, -37.65], [-60.0, -37.75], [-60.25, -37.65], [-60.5, -37.75], [-61.03, -37.53], [-61.18, -37.18], [-61.25, -37.15], [-61.5, -37.25], [-62.03, -37.03], [-62.18, -36.68], [-62.25, -36.65], [-62.5, -36.75], [-63.03, -36.53], [-63.18, -36.18], [-63.53, -36.03], [-63.75, -35.5], [-63.65, -35.25], [-63.75, -35.0], [-63.65, -34.75]]]]}, "2017-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.65, -34.75], [-63.75, -34.5], [-63.53, -33.97], [-63.0, -33.75], [-62.75, -33.85], [-62.5, -33.75], [-62.25, -33.85], [-62.0, -33.75], [-61.75, -33.85], [-61.5, -33.75], [-61.25, -33.85], [-61.18, -33.82], [-61.15, -33.75], [-61.25, -33.5], [-61.03, -32.97], [-60.5, -32.75], [-60.25, -32.85], [-60.0, -32.75], [-59.75, -32.85], [-59.5, -32.75], [-58.97, -32.97], [-58.75, -33.5], [-58.85, -33.75], [-58.75, -34.0], [-58.97, -34.53], [-59.32, -34.68], [-59.35, -34.75], [-59.32, -34.82], [-59.25, -34.85], [-59.0, -34.75], [-58.47, -34.97], [-58.25, -35.5], [-58.35, -35.75], [-58.32, -35.82], [-57.97, -35.97], [-57.75, -36.5], [-57.85, -36.75], [-57.75, -37.0], [-57.85, -37.25], [-57.75, -37.5], [-57.97, -38.03], [-58.5, -38.25], [-58.75, -38.15], [-59.0, -38.25], [-59.53, -38.03], [-59.68, -37.68], [-59.75, -37.65], [-60.0, -37.75], [-60.25, -37.65], [-60.5, -37.75], [-61.03, -37.53], [-61.18, -37.18], [-61.25, -37.15], [-61.5, -37.25], [-62.03, -37.03], [-62.18, -36.68], [-62.25, -36.65], [-62.5, -36.75], [-63.03, -36.53], [-63.18, -36.18], [-63.53, -36.03], [-63.75, -35.5], [-63.65, -35.25], [-63.75, -35.0], [-63.65, -34.75]]]]}, "2017-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.65, -34.75], [-63.75, -34.5], [-63.53, -33.97], [-63.0, -33.75], [-62.75, -33.85], [-62.5, -33.75], [-62.25, -33.85], [-62.0, -33.75], [-61.75, -33.85], [-61.5, -33.75], [-61.25, -33.85], [-61.18, -33.82], [-61.15, -33.75], [-61.25, -33.5], [-61.03, -32.97], [-60.5, -32.75], [-60.25, -32.85], [-60.0, -32.75], [-59.75, -32.85], [-59.5, -32.75], [-58.97, -32.97], [-58.75, -33.5], [-58.85, -33.75], [-58.75, -34.0], [-58.97, -34.53], [-59.32, -34.68], [-59.35, -34.75], [-59.32, -34.82], [-59.25, -34.85], [-59.0, -34.75], [-58.47, -34.97], [-58.25, -35.5], [-58.35, -35.75], [-58.32, -35.82], 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27.913945826331314]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.356111564114542, 31.162376110711875, 30.065167731655265]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.163247102977639, 5.718928004672669, 4.634080247683427]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.446741500333246, 7.235635654889506, 5.935325402090996]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.501788057471082, 2.0738643359332456, 1.6478391320542114]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8936164057567917, 2.538566330450072, 2.072374236527861]}}