{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:32.993362", "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": "2011-Sep-29_to_2011-Oct-02_309.5_-22.0"}, "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": 2011090002865}, "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": "September 29 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 02 2011"}, "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": 112871.35635609481}, "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", "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": -22.0}, "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": 309.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 307.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 313.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.18, -20.32], [-52.03, -19.97], [-51.5, -19.75], 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"coordinates": [[[[-52.18, -20.32], [-52.03, -19.97], [-51.5, -19.75], [-51.25, -19.85], [-51.18, -19.82], [-51.03, -19.47], [-50.5, -19.25], [-50.0, -19.46], [-49.5, -19.25], [-49.25, -19.35], [-49.18, -19.32], [-49.03, -18.97], [-48.68, -18.82], [-48.53, -18.47], [-48.0, -18.25], [-47.47, -18.47], [-47.32, -18.82], [-47.25, -18.85], [-47.0, -18.75], [-46.75, -18.85], [-46.5, -18.75], [-45.97, -18.97], [-45.75, -19.5], [-45.96, -20.0], [-45.75, -20.5], [-45.97, -21.03], [-46.5, -21.25], [-46.8, -21.12], [-46.97, -21.53], [-47.5, -21.75], [-47.8, -21.62], [-47.97, -22.03], [-48.5, -22.25], [-49.03, -22.03], [-49.18, -21.68], [-49.25, -21.65], [-49.32, -21.68], [-49.47, -22.03], [-49.82, -22.18], [-49.97, -22.53], [-50.5, -22.75], [-51.03, -22.53], [-51.18, -22.18], [-51.25, -22.15], [-51.5, -22.25], [-51.75, -22.15], [-52.0, -22.25], [-52.25, -22.15], [-52.5, -22.25], [-53.03, -22.03], [-53.25, -21.5], [-53.03, -20.97], [-52.68, -20.82], [-52.53, -20.47], [-52.18, -20.32]]]]}, "2011-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.18, -20.32], [-52.03, -19.97], [-51.5, -19.75], [-51.25, -19.85], [-51.18, -19.82], [-51.03, -19.47], [-50.5, -19.25], [-50.0, -19.46], [-49.5, -19.25], [-49.25, -19.35], [-49.18, -19.32], [-49.03, -18.97], [-48.68, -18.82], [-48.53, -18.47], [-48.0, -18.25], [-47.47, -18.47], [-47.32, -18.82], [-47.25, -18.85], [-47.0, -18.75], [-46.75, -18.85], [-46.5, -18.75], [-45.97, -18.97], [-45.75, -19.5], [-45.96, -20.0], [-45.75, -20.5], [-45.97, -21.03], [-46.5, -21.25], [-46.8, -21.12], [-46.97, -21.53], [-47.5, -21.75], [-47.8, -21.62], [-47.97, -22.03], [-48.5, -22.25], [-49.03, -22.03], [-49.18, -21.68], [-49.25, -21.65], [-49.32, -21.68], [-49.47, -22.03], [-49.82, -22.18], [-49.97, -22.53], [-50.5, -22.75], [-51.03, -22.53], [-51.18, -22.18], [-51.25, -22.15], [-51.5, -22.25], [-51.75, -22.15], [-52.0, -22.25], [-52.25, -22.15], [-52.5, -22.25], [-53.03, -22.03], [-53.25, -21.5], [-53.03, -20.97], [-52.68, 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t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.701946500209562, 4.605309051332481, 3.9725247343885552, 2.732594253192076]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.508374926547674, 6.428102667263886, 5.01336193274841, 2.732594253192076]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.432747966074625, 1.757363832156817, 1.5245382734120754, 1.2547657422920224]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6160564035144416, 2.249533021187428, 1.8378719624172217, 1.2547657422920224]}}