{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:43.876071", "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": "2015-Aug-24_to_2015-Aug-26_299.0_-69.5"}, "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": 2015080002618}, "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": "August 24 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 26 2015"}, "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": 68363.22760125551}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern 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": -69.5}, "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": 299.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -71.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -67.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.53, -66.97], [-65.0, -66.75], [-64.75, -66.85], [-64.5, 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[-63.03, -72.03], [-63.25, -71.5], [-63.15, -71.25], [-63.25, -71.0], [-63.15, -70.75], [-63.18, -70.68], [-63.53, -70.53], [-63.75, -70.0], [-63.62, -69.7], [-64.03, -69.53], [-64.18, -69.18], [-64.25, -69.15], [-64.5, -69.25], [-65.03, -69.03], [-65.18, -68.68], [-65.53, -68.53], [-65.75, -68.0], [-65.65, -67.75], [-65.75, -67.5], [-65.53, -66.97]]]]}, "2015-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.53, -66.97], [-65.0, -66.75], [-64.75, -66.85], [-64.5, -66.75], [-64.25, -66.85], [-64.0, -66.75], [-63.47, -66.97], [-63.32, -67.32], [-63.25, -67.35], [-63.0, -67.25], [-62.75, -67.35], [-62.5, -67.25], [-62.25, -67.35], [-62.0, -67.25], [-61.75, -67.35], [-61.5, -67.25], [-61.25, -67.35], [-61.0, -67.25], [-60.47, -67.47], [-60.25, -68.0], [-60.35, -68.25], [-60.32, -68.32], [-59.97, -68.47], [-59.82, -68.82], [-59.75, -68.85], [-59.5, -68.75], [-59.25, -68.85], [-59.0, -68.75], [-58.47, -68.97], [-58.32, -69.32], [-57.97, -69.47], [-57.82, -69.82], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [11.79605649657533, 16.240691327324676, 12.36571657171448]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [15.692289535858691, 22.025601471570383, 17.78282423901527]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8691490021861041, 2.6427401683788525, 2.038214648744224]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3161370581589877, 3.094985479575036, 2.8224777087900916]}}