{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:18.456271", "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-Feb-14_to_2023-Feb-18_315.5_-24.5"}, "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": 2023020001944}, "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 14 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 18 2023"}, "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": 120587.96425765681}, "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": ["Atlantic Ocean", "Oceano Atl\u00e2ntico", "Santos Plateau"]}, "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": -24.5}, "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": 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": 314.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 318.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-45.7, -23.38], [-45.53, -22.97], [-45.0, -22.75], [-44.75, -22.85], [-44.5, -22.75], [-44.25, -22.85], [-44.0, 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affected", "value": ["S.E.South-America", "S.Atlantic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.02999999999997, -25.53], [-46.25, -25.0], [-46.02999999999997, -24.47], [-45.68000000000001, -24.32], [-45.52999999999997, -23.97], [-45.0, -23.75], [-44.75, -23.85], [-44.5, -23.75], [-44.25, -23.85], [-44.0, -23.75], [-43.56999999999999, -23.93], [-43.75, -23.5], [-43.52999999999997, -22.97], [-43.0, -22.75], [-42.47000000000003, -22.97], [-42.25, -23.5], [-42.47000000000003, -24.03], [-43.0, -24.25], [-43.43000000000001, -24.07], [-43.25, -24.5], [-43.47000000000003, -25.03], [-43.81999999999999, -25.18], [-43.97000000000003, -25.53], [-44.31999999999999, -25.68], [-44.47000000000003, -26.03], [-45.0, -26.25], [-45.52999999999997, -26.03], [-45.68000000000001, -25.68], [-46.02999999999997, -25.53]]]]}, 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1.7200930753934331, 1.8344508452619677, 1.4099315600025508]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8721259702751354, 2.58810534079214, 2.6459983854308007, 2.5716628064626548, 1.9019355330125336]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.513732755696958, 1.7050932134451724, 1.7080966038400192, 1.8457957445171163, 1.521803615775828]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7648206302252347, 2.1755243340112944, 2.263062335686574, 2.520955476695522, 1.9606918709641232]}}