{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:19.223573", "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-Oct-03_to_2018-Oct-11_323.0_-6.0"}, "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": 2018100001292}, "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": "October 03 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 11 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 67525.65098130079}, "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.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": ["South Atlantic 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": -6.0}, "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": 323.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "323.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 321.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 324.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.25, -8.0], [-38.03, -7.47], [-37.68, -7.32], [-37.65, 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[-37.0, -9.25], [-37.53, -9.03], [-37.68, -8.68], [-38.03, -8.53], [-38.18, -8.18], [-38.53, -8.03], [-38.75, -7.5]]]]}, "2018-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.75, -7.5], [-38.53, -6.97], [-38.18, -6.82], [-38.15, -6.75], [-38.25, -6.5], [-38.03, -5.97], [-37.68, -5.82], [-37.53, -5.47], [-37.18, -5.32], [-37.03, -4.97], [-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.85, -5.75], [-35.75, -6.0], [-35.85, -6.25], [-35.75, -6.5], [-35.85, -6.75], [-35.75, -7.0], [-35.96, -7.5], [-35.75, -8.0], [-35.85, -8.25], [-35.75, -8.5], [-35.97, -9.03], [-36.5, -9.25], [-36.75, -9.15], [-37.0, -9.25], [-37.53, -9.03], [-37.68, -8.68], [-38.03, -8.53], [-38.18, -8.18], [-38.53, -8.03], [-38.75, -7.5]]]]}, "2018-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.75, -7.5], [-38.53, -6.97], [-38.18, -6.82], [-38.15, -6.75], [-38.25, -6.5], [-38.03, -5.97], [-37.68, -5.82], [-37.65, -5.75], [-37.75, -5.5], [-37.53, -4.97], [-37.0, 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28.54215161203041, 28.514434416713584, 28.47334498691947, 28.457597831852695]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.58463897210686, 30.264372812493207, 30.44482272929514, 30.091704706586654, 30.386312320958723, 30.626080192510983, 30.665503140160524, 29.874327894686417, 29.824406843659062]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9573862225167493, 1.2493056344184965, 1.3999822990910034, 0.9685548414369123, 0.9097634526710181, 0.7979302573661684, 0.7918728460838793, 0.6397065353186804, 0.6189712437586081]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3418231110184138, 2.061268471268079, 2.037225381836265, 1.490977354880556, 1.1745857634911658, 1.1674766791528555, 1.1873074489827786, 0.7925801469714884, 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