{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:56.069000", "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": "2019-Jun-05_to_2019-Jun-07_330.5_-60.0"}, "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": 2019060001524}, "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": "June 05 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2019"}, "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": 81764.92518158439}, "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": ["South Georgia and the South Sandwich Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Southern-Ocean"]}, "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": ["South Atlantic Ocean", "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": -60.0}, "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": 330.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "330.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 327.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 334.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -60.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -56.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-32.53, -57.97], [-32.0, -57.75], [-31.75, -57.85], [-31.5, 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[-32.0, -59.75], [-32.53, -59.53], [-32.75, -59.0], [-32.65, -58.75], [-32.75, -58.5], [-32.53, -57.97]]]]}, "2019-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-32.53, -57.97], [-32.0, -57.75], [-31.75, -57.85], [-31.5, -57.75], [-31.25, -57.85], [-31.0, -57.75], [-30.75, -57.85], [-30.68, -57.82], [-30.53, -57.47], [-30.0, -57.25], [-29.75, -57.35], [-29.5, -57.25], [-29.25, -57.35], [-29.0, -57.25], [-28.75, -57.35], [-28.5, -57.25], [-28.25, -57.35], [-28.0, -57.25], [-27.75, -57.35], [-27.62, -57.3], [-27.75, -57.0], [-27.53, -56.47], [-27.0, -56.25], [-26.47, -56.47], [-26.32, -56.82], [-25.97, -56.97], [-25.82, -57.32], [-25.75, -57.35], [-25.5, -57.25], [-24.97, -57.47], [-24.75, -58.0], [-24.85, -58.25], [-24.75, -58.5], [-24.97, -59.03], [-25.32, -59.18], [-25.47, -59.53], [-26.0, -59.75], [-26.25, -59.65], [-26.5, -59.75], [-26.75, -59.65], [-26.82, -59.68], [-26.97, -60.03], [-27.32, -60.18], [-27.47, -60.53], [-28.0, -60.75], [-28.25, -60.65], [-28.5, -60.75], [-28.75, -60.65], [-29.0, -60.75], [-29.25, -60.65], [-29.5, -60.75], [-30.03, -60.53], [-30.18, -60.18], [-30.25, -60.15], [-30.5, -60.25], [-30.75, -60.15], [-31.0, -60.25], [-31.53, -60.03], [-31.68, -59.68], [-31.75, -59.65], [-32.0, -59.75], [-32.53, -59.53], [-32.75, -59.0], [-32.65, -58.75], [-32.75, -58.5], [-32.53, -57.97]]]]}, "2019-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-32.53, -57.97], [-32.0, -57.75], [-31.75, -57.85], [-31.5, -57.75], [-31.25, -57.85], [-31.0, -57.75], [-30.75, -57.85], [-30.68, -57.82], [-30.53, -57.47], [-30.0, -57.25], [-29.75, -57.35], [-29.5, -57.25], [-29.25, -57.35], [-29.0, -57.25], [-28.75, -57.35], [-28.5, -57.25], [-28.25, -57.35], [-28.0, -57.25], [-27.75, -57.35], [-27.62, -57.3], [-27.75, -57.0], [-27.53, -56.47], [-27.0, -56.25], [-26.47, -56.47], [-26.32, -56.82], [-25.97, -56.97], [-25.82, -57.32], [-25.75, -57.35], [-25.5, -57.25], [-24.97, -57.47], [-24.75, -58.0], [-24.85, -58.25], 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[-0.31429195965444023, -0.16839080390423078, -0.2449179572132607]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [0.23714058166035556, 0.7468624212608574, 0.3864530397251542]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.1701217875010155, 4.4507947845746525, 4.489843873475358]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.078331752686836, 6.324947320184833, 6.181166130970837]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [0.962916413077388, 1.013642512933735, 0.9566972308757333]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.072565283446246, 1.1249248352618975, 1.0734158097788298]}}