{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:23.362326", "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": "2023-May-16_to_2023-May-18_301.0_-38.5"}, "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": 2023050001900}, "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 16 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2023"}, "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": 51863.63884963229}, "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": ["Argentina"]}, "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": ["Rio de La Plata", "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": -38.5}, "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": 301.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.0\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": -38.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.5, -37.25], [-58.0, -37.46], [-57.68, -37.32], [-57.65, -37.25], [-57.68, -37.18], [-58.03, -37.03], [-58.25, -36.5], [-58.15, -36.25], [-58.25, -36.0], [-58.04, -35.5], [-58.18, -35.18], [-58.53, -35.03], [-58.75, -34.5], [-58.53, -33.97], [-58.0, -33.75], [-57.47, -33.97], [-57.32, -34.32], [-56.97, -34.47], [-56.82, -34.82], [-56.47, -34.97], [-56.32, -35.32], [-55.97, -35.47], [-55.75, -36.0], [-55.85, -36.25], [-55.82, -36.32], [-55.47, -36.47], [-55.25, -37.0], [-55.47, -37.53], [-55.82, -37.68], [-55.85, -37.75], [-55.75, -38.0], [-55.97, -38.53], [-56.5, -38.75], [-56.75, -38.65], [-57.0, -38.75], [-57.25, -38.65], [-57.32, -38.68], [-57.47, -39.03], [-58.0, -39.25], [-58.25, -39.15], [-58.5, -39.25], [-58.75, -39.15], [-59.0, -39.25], [-59.53, -39.03], [-59.75, -38.5], [-59.53, -37.97], [-59.18, -37.82], [-59.03, -37.47], [-58.5, -37.25]]]]}, "2023-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.5, -37.25], [-58.0, -37.46], [-57.68, -37.32], [-57.65, -37.25], [-57.68, -37.18], [-58.03, -37.03], [-58.25, -36.5], [-58.15, -36.25], [-58.25, -36.0], [-58.04, -35.5], [-58.18, -35.18], [-58.53, -35.03], [-58.75, -34.5], [-58.53, -33.97], [-58.0, -33.75], [-57.47, -33.97], [-57.32, -34.32], [-56.97, -34.47], [-56.82, -34.82], [-56.47, -34.97], [-56.32, -35.32], [-55.97, -35.47], [-55.75, -36.0], [-55.85, -36.25], [-55.82, -36.32], [-55.47, -36.47], [-55.25, -37.0], [-55.47, -37.53], [-55.82, -37.68], [-55.85, -37.75], [-55.75, -38.0], [-55.97, -38.53], [-56.5, -38.75], [-56.75, -38.65], [-57.0, -38.75], [-57.25, -38.65], [-57.32, -38.68], [-57.47, -39.03], [-58.0, -39.25], [-58.25, -39.15], [-58.5, -39.25], [-58.75, -39.15], [-59.0, -39.25], [-59.53, -39.03], [-59.75, -38.5], [-59.53, -37.97], [-59.18, -37.82], [-59.03, -37.47], [-58.5, -37.25]]]]}, "2023-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.5, -37.25], [-58.0, -37.46], [-57.68, -37.32], [-57.65, -37.25], [-57.68, -37.18], [-58.03, -37.03], [-58.25, -36.5], [-58.15, -36.25], [-58.25, -36.0], [-58.04, -35.5], [-58.18, -35.18], [-58.53, -35.03], [-58.75, -34.5], [-58.53, -33.97], [-58.0, -33.75], [-57.47, -33.97], [-57.32, -34.32], [-56.97, -34.47], [-56.82, -34.82], [-56.47, -34.97], [-56.32, -35.32], [-55.97, -35.47], [-55.75, -36.0], [-55.85, -36.25], [-55.82, -36.32], [-55.47, -36.47], [-55.25, -37.0], [-55.47, -37.53], [-55.82, -37.68], [-55.85, -37.75], [-55.75, -38.0], [-55.97, -38.53], [-56.5, -38.75], [-56.75, -38.65], [-57.0, -38.75], [-57.25, -38.65], [-57.32, -38.68], [-57.47, -39.03], [-58.0, -39.25], [-58.25, -39.15], [-58.5, -39.25], [-58.75, -39.15], [-59.0, -39.25], [-59.53, -39.03], [-59.75, -38.5], [-59.53, -37.97], [-59.18, -37.82], [-59.03, -37.47], [-58.5, -37.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.639943979652799}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.439353397729416}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.84706678268134, 17.450313921480245, 16.858535687666176]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.751036362153684, 18.714231535194813, 18.440677885571006]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1205426070517834, 3.821511504073539, 3.3760060820629265]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.620449914073447, 5.639943979652799, 4.628036309495656]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4200563019818186, 1.732704666943238, 1.5243110206207582]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7022549665389266, 2.076046529455734, 1.7497371718660275]}}