{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:43.242620", "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-Feb-26_to_2020-Feb-28_315.5_-7.0"}, "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": 2020020002594}, "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 26 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 28 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": 76454.49098547723}, "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": -7.0}, "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": 315.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 317.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-47.03, -7.53], [-47.25, -7.0], [-47.03, -6.47], [-46.5, -6.25], [-46.25, -6.354], [-46.0, -6.25], [-45.75, -6.354], [-45.5, 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affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-26T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-46.25, -7.646446609406722], [-46.5, -7.75], [-47.03033008588989, -7.5303300858899105], [-47.25, -7.0], [-47.03033008588989, -6.4696699141100895], [-46.5, -6.25], [-46.25, -6.353553390593278], [-46.0, -6.25], [-45.75, -6.353553390593278], [-45.5, -6.25], [-45.25, -6.353553390593278], [-45.0, -6.25], [-44.75, -6.353553390593278], [-44.5, -6.25], [-44.25, -6.353553390593278], [-44.0, -6.25], [-43.46966991411011, -6.4696699141100895], [-43.25, -7.0], [-43.35355339059328, -7.25], [-43.25, -7.5], [-43.35355339059328, -7.75], [-43.25, -8.0], [-43.35355339059328, -8.25], [-43.25, -8.5], [-43.35355339059328, -8.75], [-43.32322330470339, -8.823223304703363], [-42.96966991411011, -8.969669914110089], [-42.82322330470339, -9.323223304703363], 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t2m", "description": "The daily evolution of mean t2m.", "value": [27.391029001585025, 27.62234148995276, 27.44154136214263]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.8317346962275, 29.272966138582433, 29.227115075963354]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7601327145325172, 1.9858495018285998, 1.800019177486022]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.568804386848001, 2.573442283939869, 2.4815191401199854]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4696417783931919, 1.677599681841356, 1.527912543159666]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.923227913709782, 2.0798321218228026, 2.0806405773069248]}}