{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:33.836012", "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-May-28_to_2012-May-30_311.0_-26.5"}, "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": 2012050002963}, "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": "May 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 30 2012"}, "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": 249458.2225486201}, "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": ["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": ["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": -26.5}, "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": 311.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 313.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, -29.03], [-55.25, -28.5], [-55.03, -27.97], [-54.5, -27.75], [-54.25, -27.85], [-54.12, -27.8], [-54.25, -27.5], [-54.03, -26.97], [-53.62, -26.8], [-53.75, -26.5], [-53.53, -25.97], [-53.0, -25.75], [-52.75, -25.85], [-52.68, -25.82], [-52.53, -25.47], [-52.0, -25.25], [-51.47, -25.47], [-51.32, -25.82], [-51.25, -25.85], [-51.18, -25.82], [-51.15, -25.75], [-51.25, -25.5], [-51.15, -25.25], [-51.25, -25.0], [-51.03, -24.47], [-50.5, -24.25], [-50.25, -24.35], [-50.0, -24.25], [-49.75, -24.35], [-49.5, -24.25], [-49.25, -24.35], [-49.0, -24.25], [-48.75, -24.35], [-48.5, -24.25], [-48.25, -24.35], [-48.18, -24.32], [-48.03, -23.97], [-47.5, -23.75], [-47.25, -23.85], [-47.0, -23.75], [-46.47, -23.97], [-46.25, -24.5], [-46.35, -24.75], [-46.25, -25.0], [-46.47, -25.53], [-47.0, -25.75], [-47.5, -25.54], [-47.82, -25.68], [-47.85, -25.75], [-47.75, -26.0], [-47.85, -26.25], [-47.82, -26.32], [-47.47, -26.47], [-47.25, -27.0], [-47.47, -27.53], [-47.82, -27.68], [-47.97, -28.03], [-48.32, -28.18], [-48.47, -28.53], [-48.82, -28.68], [-48.85, -28.75], [-48.75, -29.0], [-48.97, -29.53], [-49.32, -29.68], [-49.47, -30.03], [-49.82, -30.18], [-49.97, -30.53], [-50.5, -30.75], [-50.75, -30.65], [-51.0, -30.75], [-51.25, -30.65], [-51.5, -30.75], [-51.75, -30.65], [-52.0, -30.75], [-52.25, -30.65], [-52.5, -30.75], [-52.75, -30.65], [-53.0, -30.75], [-53.53, -30.53], [-53.75, -30.0], [-53.62, -29.7], [-54.03, -29.53], [-54.18, -29.18], [-54.25, -29.15], [-54.5, -29.25], [-55.03, -29.03]]]]}, "2012-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, -29.03], [-55.25, -28.5], [-55.03, -27.97], [-54.5, -27.75], [-54.25, -27.85], [-54.12, -27.8], [-54.25, -27.5], [-54.03, -26.97], [-53.62, -26.8], [-53.75, -26.5], [-53.53, -25.97], [-53.0, -25.75], [-52.75, -25.85], [-52.68, -25.82], [-52.53, -25.47], [-52.0, -25.25], [-51.47, -25.47], [-51.32, -25.82], [-51.25, -25.85], [-51.18, -25.82], [-51.15, -25.75], [-51.25, -25.5], [-51.15, -25.25], [-51.25, -25.0], [-51.03, -24.47], [-50.5, -24.25], [-50.25, -24.35], [-50.0, -24.25], [-49.75, -24.35], [-49.5, -24.25], [-49.25, -24.35], [-49.0, -24.25], [-48.75, -24.35], [-48.5, -24.25], [-48.25, -24.35], [-48.18, -24.32], [-48.03, -23.97], [-47.5, -23.75], [-47.25, -23.85], [-47.0, -23.75], [-46.47, -23.97], [-46.25, -24.5], [-46.35, -24.75], [-46.25, -25.0], [-46.47, -25.53], [-47.0, -25.75], [-47.5, -25.54], [-47.82, -25.68], [-47.85, -25.75], [-47.75, -26.0], [-47.85, -26.25], [-47.82, -26.32], [-47.47, -26.47], [-47.25, -27.0], [-47.47, -27.53], [-47.82, -27.68], [-47.97, -28.03], [-48.32, -28.18], [-48.47, -28.53], [-48.82, -28.68], [-48.85, -28.75], [-48.75, -29.0], [-48.97, -29.53], [-49.32, -29.68], [-49.47, -30.03], [-49.82, -30.18], [-49.97, -30.53], [-50.5, -30.75], [-50.75, -30.65], [-51.0, -30.75], [-51.25, -30.65], [-51.5, -30.75], [-51.75, -30.65], [-52.0, -30.75], [-52.25, -30.65], [-52.5, -30.75], [-52.75, -30.65], [-53.0, -30.75], [-53.53, -30.53], [-53.75, -30.0], [-53.62, -29.7], [-54.03, -29.53], [-54.18, -29.18], [-54.25, -29.15], [-54.5, -29.25], [-55.03, -29.03]]]]}, "2012-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, -29.03], [-55.25, -28.5], [-55.03, -27.97], [-54.5, -27.75], [-54.25, -27.85], [-54.12, -27.8], [-54.25, -27.5], [-54.03, -26.97], [-53.62, -26.8], [-53.75, -26.5], [-53.53, -25.97], [-53.0, -25.75], [-52.75, -25.85], [-52.68, -25.82], [-52.53, -25.47], [-52.0, -25.25], [-51.47, -25.47], [-51.32, -25.82], [-51.25, -25.85], [-51.18, -25.82], [-51.15, -25.75], [-51.25, -25.5], [-51.15, -25.25], [-51.25, -25.0], [-51.03, -24.47], [-50.5, -24.25], [-50.25, -24.35], [-50.0, -24.25], [-49.75, -24.35], [-49.5, -24.25], [-49.25, -24.35], [-49.0, -24.25], [-48.75, -24.35], [-48.5, -24.25], [-48.25, -24.35], [-48.18, -24.32], [-48.03, -23.97], [-47.5, -23.75], [-47.25, -23.85], [-47.0, -23.75], [-46.47, -23.97], [-46.25, -24.5], [-46.35, -24.75], [-46.25, -25.0], [-46.47, -25.53], [-47.0, -25.75], [-47.5, -25.54], [-47.82, -25.68], [-47.85, 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"description": "The daily evolution of mean t2m.", "value": [19.473191890723626, 21.03580160325521, 19.202578889754363]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.974702262159553, 24.526735265458, 25.063356519664865]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.956053821181824, 6.709194235818838, 5.0370567785224285]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.2885060736760465, 9.576577851313743, 6.444251989125689]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.693209923115318, 2.253571209150258, 1.6908921429192791]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0877717805995095, 2.814140283603956, 2.644244078544487]}}