{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:07.434399", "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": "2020-May-19_to_2020-May-21_306.5_-32.0"}, "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": 2020050002105}, "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 19 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 21 2020"}, "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": 55217.96789811532}, "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", "Uruguay"]}, "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": -32.0}, "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": 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": 303.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.65, -31.25], [-56.75, -31.0], [-56.53, -30.47], [-56.0, -30.25], [-55.75, -30.35], [-55.5, -30.25], [-55.0, -30.46], [-54.5, -30.25], [-54.25, -30.35], [-54.0, -30.25], [-53.47, -30.47], [-53.32, -30.82], [-53.25, -30.85], [-53.0, -30.75], [-52.47, -30.97], [-52.25, -31.5], [-52.35, -31.75], [-52.25, -32.0], [-52.47, -32.53], [-52.82, -32.68], [-52.97, -33.03], [-53.5, -33.25], [-53.75, -33.15], [-54.0, -33.25], [-54.5, -33.04], [-55.0, -33.25], [-55.53, -33.03], [-55.68, -32.68], [-55.75, -32.65], [-56.0, -32.75], [-56.53, -32.53], [-56.75, -32.0], [-56.65, -31.75], [-56.75, -31.5], [-56.65, -31.25]]]]}, "2020-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.65, -31.25], [-56.75, -31.0], [-56.53, -30.47], [-56.0, -30.25], [-55.75, -30.35], [-55.5, -30.25], [-55.0, -30.46], [-54.5, -30.25], [-54.25, -30.35], [-54.0, -30.25], [-53.47, -30.47], [-53.32, -30.82], [-53.25, -30.85], [-53.0, -30.75], [-52.47, -30.97], [-52.25, -31.5], [-52.35, -31.75], [-52.25, -32.0], [-52.47, -32.53], [-52.82, -32.68], [-52.97, -33.03], [-53.5, -33.25], [-53.75, -33.15], [-54.0, -33.25], [-54.5, -33.04], [-55.0, -33.25], [-55.53, -33.03], [-55.68, -32.68], [-55.75, -32.65], [-56.0, -32.75], [-56.53, -32.53], [-56.75, -32.0], [-56.65, -31.75], [-56.75, -31.5], [-56.65, -31.25]]]]}, "2020-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.65, -31.25], [-56.75, -31.0], [-56.53, -30.47], [-56.0, -30.25], [-55.75, -30.35], [-55.5, -30.25], [-55.0, -30.46], [-54.5, -30.25], [-54.25, -30.35], [-54.0, -30.25], [-53.47, -30.47], [-53.32, -30.82], [-53.25, -30.85], [-53.0, -30.75], [-52.47, -30.97], [-52.25, -31.5], [-52.35, -31.75], [-52.25, -32.0], [-52.47, -32.53], [-52.82, -32.68], [-52.97, -33.03], [-53.5, -33.25], [-53.75, -33.15], [-54.0, -33.25], [-54.5, -33.04], [-55.0, -33.25], [-55.53, -33.03], [-55.68, -32.68], [-55.75, -32.65], [-56.0, -32.75], [-56.53, -32.53], [-56.75, -32.0], [-56.65, -31.75], [-56.75, -31.5], [-56.65, -31.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.0855862590322545}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.497957674168542}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.198789908134472, 20.952204955833054, 19.166029624862063]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.188497858390576, 21.655307952043643, 19.881578472232775]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.807342587335018, 6.676486399951963, 5.010044035218644]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.1741037462613235, 7.0855862590322545, 5.356681887724108]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.363263062512012, 1.8594798687112086, 1.3710304668068227]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5617969507599145, 1.980696970910939, 1.5023743882943656]}}