{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:37.672999", "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-Apr-09_to_2025-Apr-13_305.5_-6.0"}, "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": 2025040001526}, "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": "April 09 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 13 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 92290.51398766178}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -6.0}, "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": 305.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 304.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-55.53, -3.97], [-55.0, -3.75], [-54.75, -3.85], [-54.5, -3.75], [-54.25, -3.85], [-54.0, -3.75], [-53.75, -3.85], [-53.5, -3.75], [-53.25, -3.85], [-53.0, -3.75], [-52.47, -3.97], [-52.25, -4.5], [-52.35, -4.75], [-52.32, -4.82], [-51.97, -4.97], [-51.75, -5.5], [-51.85, -5.75], [-51.75, -6.0], [-51.85, -6.25], [-51.75, -6.5], [-51.97, -7.03], [-52.5, -7.25], [-52.75, -7.15], [-52.82, -7.18], [-52.97, -7.53], [-53.5, -7.75], [-54.03, -7.53], [-54.18, -7.18], [-54.25, -7.15], [-54.5, -7.25], [-55.03, -7.03], [-55.18, -6.68], [-55.53, -6.53], [-55.68, -6.18], [-56.03, -6.03], [-56.25, -5.5], [-56.15, -5.25], [-56.25, -5.0], [-56.03, -4.47], [-55.68, -4.32], [-55.53, -3.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -5.0], [-56.02999999999997, -4.47], [-55.5, -4.25], [-55.19999999999999, -4.38], 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1.6347554690804487}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.464036136203447, 26.939761945936425, 26.593418290880038, 26.558503487669384, 26.260006968180335]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.87417882283529, 27.393036142985068, 26.920344289143884, 27.07181065877279, 26.506963348388695]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4354694993407737, 1.9527329862821035, 1.6408186358645025, 1.652675463722902, 1.2732756623360957]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7155139163451167, 2.5091100248182556, 2.1559114669707924, 2.148665813825744, 1.4835740036283482]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6691790249290925, 2.268973767676521, 1.8951459438232778, 1.930544654544121, 1.501828417890066]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9420099327524607, 2.8835005450803317, 2.4758002350921067, 2.459457872730802, 1.6795941017054545]}}