{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:04.478599", "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": "2012-Jul-21_to_2012-Jul-24_306.5_1.5"}, "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": 2012070002691}, "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 21 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2012"}, "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": 126680.29401241646}, "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", "French Guiana"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 1.5}, "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": 306.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "306.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 304.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 310.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, 2.5], [-55.53, 3.03], [-55.0, 3.25], [-54.47, 3.03], 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[-54.25, 3.0], [-54.03, 3.53], [-53.5, 3.75], [-52.97, 3.53], [-52.82, 3.18], [-52.75, 3.15], [-52.5, 3.25], [-52.25, 3.15], [-52.0, 3.25], [-51.75, 3.15], [-51.5, 3.25], [-51.25, 3.15], [-51.0, 3.25], [-50.47, 3.03], [-50.25, 2.5], [-50.35, 2.25], [-50.3, 2.12], [-50.0, 2.25], [-49.47, 2.03], [-49.25, 1.5], [-49.47, 0.97], [-49.82, 0.82], [-49.97, 0.47], [-50.5, 0.25], [-50.75, 0.35], [-51.0, 0.25], [-51.5, 0.46], [-51.82, 0.32], [-51.97, -0.03], [-52.32, -0.18], [-52.47, -0.53], [-52.82, -0.68], [-52.97, -1.03], [-53.5, -1.25], [-54.03, -1.03], [-54.25, -0.5], [-54.15, -0.25], [-54.18, -0.18], [-54.25, -0.15], [-54.5, -0.25], [-55.03, -0.03], [-55.25, 0.5], [-55.15, 0.75], [-55.25, 1.0], [-55.15, 1.25], [-55.25, 1.5], [-55.15, 1.75], [-55.18, 1.82], [-55.53, 1.97], [-55.75, 2.5]]]]}, "2012-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, 2.5], [-55.53, 3.03], [-55.0, 3.25], [-54.47, 3.03], [-54.32, 2.68], [-54.25, 2.65], [-54.18, 2.68], [-54.15, 2.75], [-54.25, 3.0], [-54.03, 3.53], [-53.5, 3.75], [-52.97, 3.53], [-52.82, 3.18], [-52.75, 3.15], [-52.5, 3.25], [-52.25, 3.15], [-52.0, 3.25], [-51.75, 3.15], [-51.5, 3.25], [-51.25, 3.15], [-51.0, 3.25], [-50.47, 3.03], [-50.25, 2.5], [-50.35, 2.25], [-50.3, 2.12], [-50.0, 2.25], [-49.47, 2.03], [-49.25, 1.5], [-49.47, 0.97], [-49.82, 0.82], [-49.97, 0.47], [-50.5, 0.25], [-50.75, 0.35], [-51.0, 0.25], [-51.5, 0.46], [-51.82, 0.32], [-51.97, -0.03], [-52.32, -0.18], [-52.47, -0.53], [-52.82, -0.68], [-52.97, -1.03], [-53.5, -1.25], [-54.03, -1.03], [-54.25, -0.5], [-54.15, -0.25], [-54.18, -0.18], [-54.25, -0.15], [-54.5, -0.25], [-55.03, -0.03], [-55.25, 0.5], [-55.15, 0.75], [-55.25, 1.0], [-55.15, 1.25], [-55.25, 1.5], [-55.15, 1.75], [-55.18, 1.82], [-55.53, 1.97], [-55.75, 2.5]]]]}, "2012-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, 2.5], [-55.53, 3.03], [-55.0, 3.25], [-54.47, 3.03], [-54.32, 2.68], [-54.25, 2.65], [-54.18, 2.68], [-54.15, 2.75], 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"value": [26.505834811627096, 26.677065802781783, 26.57081465499209, 26.54685958178976]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.888874809255412, 27.74485161524177, 27.761204337447964, 27.198398148186186]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1482735925177883, 1.355175555389096, 1.2110524136525878, 1.317241235206134]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.587611148735732, 2.121780574782065, 1.7590563701236306, 1.7224873638353415]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7544432892781845, 2.0579401629308824, 1.859613764576538, 1.9592958561325857]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3187571595103362, 3.104220344150368, 2.518809003062931, 2.385885251661825]}}