{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:12.554905", "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": "2024-Feb-23_to_2024-Feb-25_308.0_-27.5"}, "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": 2024020001685}, "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": "February 23 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 25 2024"}, "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": 76592.60808133945}, "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", "Brazil", "Paraguay"]}, "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": []}, "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": -27.5}, "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": 308.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "308.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.0, -26.25], [-55.75, -26.35], [-55.5, -26.25], [-54.97, -26.47], [-54.75, -27.0], [-54.85, -27.25], [-54.82, -27.32], [-54.75, -27.35], [-54.5, -27.25], [-54.25, -27.35], [-54.18, -27.32], [-54.03, -26.97], [-53.68, -26.82], [-53.53, -26.47], [-53.18, -26.32], [-53.03, -25.97], [-52.5, -25.75], [-51.97, -25.97], [-51.75, -26.5], [-51.85, -26.75], [-51.82, -26.82], [-51.75, -26.85], [-51.5, -26.75], [-50.97, -26.97], [-50.82, -27.32], [-50.47, -27.47], [-50.25, -28.0], [-50.47, -28.53], [-51.0, -28.75], [-51.25, -28.65], [-51.5, -28.75], [-51.75, -28.65], [-52.0, -28.75], [-52.25, -28.65], [-52.32, -28.68], [-52.47, -29.03], [-53.0, -29.25], [-53.25, -29.15], [-53.5, -29.25], [-53.75, -29.15], [-54.0, -29.25], [-54.25, -29.15], [-54.5, -29.25], [-54.75, -29.15], [-55.0, -29.25], [-55.53, -29.03], [-55.68, -28.68], [-56.03, -28.53], [-56.18, -28.18], [-56.25, -28.15], [-56.5, -28.25], [-57.03, -28.03], [-57.25, -27.5], [-57.03, -26.97], [-56.68, -26.82], [-56.53, -26.47], [-56.0, -26.25]]]]}, "2024-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.0, -26.25], [-55.75, -26.35], [-55.5, -26.25], [-54.97, -26.47], [-54.75, -27.0], [-54.85, -27.25], [-54.82, -27.32], [-54.75, -27.35], [-54.5, -27.25], [-54.25, -27.35], [-54.18, -27.32], [-54.03, -26.97], [-53.68, -26.82], [-53.53, -26.47], [-53.18, -26.32], [-53.03, -25.97], [-52.5, -25.75], [-51.97, -25.97], [-51.75, -26.5], [-51.85, -26.75], [-51.82, -26.82], [-51.75, -26.85], [-51.5, -26.75], [-50.97, -26.97], [-50.82, -27.32], [-50.47, -27.47], [-50.25, -28.0], [-50.47, -28.53], [-51.0, -28.75], [-51.25, -28.65], [-51.5, -28.75], [-51.75, -28.65], [-52.0, -28.75], [-52.25, -28.65], [-52.32, -28.68], [-52.47, -29.03], [-53.0, -29.25], [-53.25, -29.15], [-53.5, -29.25], [-53.75, -29.15], [-54.0, -29.25], [-54.25, -29.15], [-54.5, -29.25], [-54.75, -29.15], [-55.0, -29.25], [-55.53, -29.03], [-55.68, -28.68], [-56.03, -28.53], [-56.18, -28.18], [-56.25, -28.15], [-56.5, -28.25], [-57.03, -28.03], [-57.25, -27.5], [-57.03, -26.97], [-56.68, -26.82], [-56.53, -26.47], [-56.0, -26.25]]]]}, "2024-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.0, -26.25], [-55.75, -26.35], [-55.5, -26.25], [-54.97, -26.47], [-54.75, -27.0], [-54.85, -27.25], [-54.82, -27.32], [-54.75, -27.35], [-54.5, -27.25], [-54.25, -27.35], [-54.18, -27.32], [-54.03, -26.97], [-53.68, -26.82], [-53.53, -26.47], [-53.18, -26.32], [-53.03, -25.97], [-52.5, -25.75], [-51.97, -25.97], [-51.75, -26.5], [-51.85, -26.75], [-51.82, -26.82], [-51.75, -26.85], [-51.5, -26.75], [-50.97, -26.97], [-50.82, -27.32], [-50.47, -27.47], [-50.25, -28.0], [-50.47, -28.53], [-51.0, -28.75], [-51.25, -28.65], [-51.5, -28.75], [-51.75, -28.65], [-52.0, -28.75], [-52.25, -28.65], [-52.32, -28.68], [-52.47, -29.03], [-53.0, -29.25], [-53.25, -29.15], [-53.5, -29.25], [-53.75, -29.15], [-54.0, -29.25], [-54.25, -29.15], [-54.5, -29.25], [-54.75, -29.15], [-55.0, -29.25], [-55.53, -29.03], [-55.68, -28.68], [-56.03, -28.53], [-56.18, -28.18], [-56.25, -28.15], [-56.5, -28.25], [-57.03, -28.03], [-57.25, -27.5], [-57.03, -26.97], [-56.68, -26.82], [-56.53, -26.47], [-56.0, -26.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4876485422938686}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.715102351962968}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.13171924515126, 26.361752104832533, 26.25401449977784]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.552037012342623, 29.78516937158929, 29.943553799381277]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5735752582791673, 2.827051094765015, 2.744680702844722]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0142719401264912, 3.2784070671102654, 3.4876485422938686]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3391248451754663, 1.4689992007778028, 1.4021815442479666]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4927025212226945, 1.7895353990886795, 1.5581893061340035]}}