{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:42.169648", "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": "2018-Jul-24_to_2018-Jul-27_304.0_-63.5"}, "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": 2018070002932}, "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": "July 24 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 69649.44876799316}, "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": ["Southern-Ocean", "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": -63.5}, "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": 304.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -63.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -60.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.65, -61.75], [-57.75, -61.5], [-57.53, -60.97], 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-62.25], [-57.75, -62.0], [-57.65, -61.75]]]]}, "2018-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.65, -61.75], [-57.75, -61.5], [-57.53, -60.97], [-57.18, -60.82], [-57.15, -60.75], [-57.25, -60.5], [-57.03, -59.97], [-56.5, -59.75], [-56.25, -59.85], [-56.0, -59.75], [-55.75, -59.85], [-55.5, -59.75], [-55.25, -59.85], [-55.0, -59.75], [-54.75, -59.85], [-54.5, -59.75], [-53.97, -59.97], [-53.75, -60.5], [-53.87, -60.8], [-53.75, -60.85], [-53.5, -60.75], [-53.25, -60.85], [-53.0, -60.75], [-52.75, -60.85], [-52.5, -60.75], [-51.97, -60.97], [-51.75, -61.5], [-51.85, -61.75], [-51.82, -61.82], [-51.47, -61.97], [-51.25, -62.5], [-51.47, -63.03], [-52.0, -63.25], [-52.25, -63.15], [-52.32, -63.18], [-52.47, -63.53], [-53.0, -63.75], [-53.25, -63.65], [-53.5, -63.75], [-53.75, -63.65], [-54.0, -63.75], [-54.25, -63.65], [-54.5, -63.75], [-54.75, -63.65], [-55.0, -63.75], [-55.25, -63.65], [-55.32, -63.68], [-55.47, -64.03], [-56.0, -64.25], [-56.25, 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of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.798745170564924, 6.696871724428923, 6.737726413009864, 7.618476992585452]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.018830266164855, 9.516104275938233, 9.672580667313696, 11.29604824088608]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.060100819376811, 1.0420015731266152, 1.081628299297072, 1.2525835493039108]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3961546439796755, 1.3308387289598722, 1.3952539728196747, 1.6651852210761213]}}