{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:48.648177", "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": "2025-Nov-15_to_2025-Nov-18_302.0_-2.0"}, "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": 2025110001652}, "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": "November 15 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 18 2025"}, "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": 77249.76200408998}, "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.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": -2.0}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 304.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.75, -1.5], [-59.53, -0.97], [-59.0, -0.75], [-58.7, -0.88], [-58.65, -0.75], [-58.75, -0.5], [-58.53, 0.03], [-58.18, 0.18], [-58.03, 0.53], [-57.5, 0.75], [-57.0, 0.54], [-56.5, 0.75], [-56.25, 0.65], [-56.0, 0.75], [-55.47, 0.53], [-55.25, 0.0], [-55.46, -0.5], [-55.25, -1.0], [-55.47, -1.53], [-56.0, -1.75], [-56.25, -1.65], [-56.32, -1.68], [-56.35, -1.75], [-56.25, -2.0], [-56.35, -2.25], [-56.32, -2.32], [-55.97, -2.47], [-55.75, -3.0], [-55.97, -3.53], [-56.5, -3.75], [-57.03, -3.53], [-57.18, -3.18], [-57.25, -3.15], [-57.5, -3.25], [-58.03, -3.03], [-58.18, -2.68], [-58.25, -2.65], [-58.5, -2.75], [-59.03, -2.53], [-59.18, -2.18], [-59.53, -2.03], [-59.75, -1.5]]]]}, "2025-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.75, -1.5], [-59.53, -0.97], [-59.18, -0.82], [-59.03, -0.47], [-58.68, -0.32], [-58.53, 0.03], [-58.18, 0.18], [-58.03, 0.53], [-57.5, 0.75], [-57.0, 0.54], [-56.5, 0.75], [-56.25, 0.65], [-56.0, 0.75], [-55.47, 0.53], [-55.25, 0.0], [-55.46, -0.5], [-55.25, -1.0], [-55.47, -1.53], [-55.82, -1.68], [-55.97, -2.03], [-56.32, -2.18], [-56.35, -2.25], [-56.32, -2.32], [-55.97, -2.47], [-55.75, -3.0], [-55.97, -3.53], [-56.5, -3.75], [-57.03, -3.53], [-57.18, -3.18], [-57.25, -3.15], [-57.5, -3.25], [-58.03, -3.03], [-58.18, -2.68], [-58.25, -2.65], [-58.5, -2.75], [-59.03, -2.53], [-59.18, -2.18], [-59.53, -2.03], [-59.75, -1.5]]]]}, "2025-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.75, -1.5], [-59.53, -0.97], [-59.18, -0.82], [-59.03, -0.47], [-58.68, -0.32], [-58.53, 0.03], [-58.18, 0.18], [-58.03, 0.53], [-57.5, 0.75], [-57.0, 0.54], [-56.5, 0.75], [-56.25, 0.65], [-56.0, 0.75], [-55.47, 0.53], [-55.25, 0.0], [-55.46, -0.5], [-55.25, -1.0], [-55.47, -1.53], [-55.82, -1.68], [-55.97, -2.03], [-56.32, -2.18], [-56.35, -2.25], [-56.32, -2.32], [-55.97, -2.47], [-55.75, -3.0], [-55.97, -3.53], [-56.5, -3.75], [-57.03, -3.53], [-57.18, -3.18], [-57.25, -3.15], [-57.5, -3.25], [-58.03, -3.03], [-58.18, -2.68], [-58.25, -2.65], [-58.5, -2.75], [-59.03, -2.53], [-59.18, -2.18], [-59.53, -2.03], [-59.75, -1.5]]]]}, "2025-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.75, -1.5], [-59.53, -0.97], [-59.18, -0.82], [-59.03, -0.47], [-58.68, -0.32], [-58.53, 0.03], [-58.0, 0.25], [-57.75, 0.15], [-57.5, 0.25], [-56.97, 0.03], [-56.82, -0.32], [-56.47, -0.47], [-56.32, -0.82], [-55.97, -0.97], [-55.75, -1.5], [-55.97, -2.03], [-56.5, -2.25], [-56.75, -2.15], [-56.82, -2.18], [-56.97, -2.53], [-57.5, -2.75], [-57.75, -2.65], [-58.0, -2.75], [-58.25, -2.65], [-58.5, -2.75], [-59.03, -2.53], [-59.18, -2.18], [-59.53, -2.03], [-59.75, -1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2331108627939216}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5243920897178014}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.26662004258901, 29.382291463216177, 29.574770050048812, 29.21667455037442]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.10155385335287, 29.89943339029952, 30.11893997192385, 29.90902481079104]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.364836824565833, 2.507974467930794, 2.698147023907793, 2.485540606925584]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.127902688716972, 2.952085731482555, 3.2331108627939216, 3.099131249086952]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5617531335688017, 1.6416937540216845, 1.7667318136146053, 1.614073560674742]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0532765713375944, 1.9742762551039534, 2.0490744758012194, 1.9278550940087766]}}