{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:21:58.442805", "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": "2021-Jan-09_to_2021-Jan-13_309.0_-22.5"}, "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": 2021010001731}, "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": "January 09 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 13 2021"}, "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": 51136.39535736659}, "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": -22.5}, "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": 309.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 307.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-52.75, -23.5], [-52.646, -23.251], [-52.646, -23.25], [-52.677, -23.177], [-53.03, -23.03], [-53.25, -22.5], [-53.03, -21.97], [-52.677, -21.823], [-52.53, -21.47], [-52.0, -21.25], [-51.75, -21.354], [-51.5, -21.25], [-51.0, -21.457], [-50.5, -21.25], [-49.97, -21.47], [-49.75, -22.0], [-49.97, -22.53], [-50.323, -22.677], [-50.354, -22.75], [-50.354, -22.751], [-50.25, -23.0], [-50.354, -23.25], [-50.25, -23.5], [-50.354, -23.75], [-50.25, -24.0], [-50.354, -24.25], [-50.25, -24.5], [-50.47, -25.03], [-51.0, -25.25], [-51.25, -25.146], [-51.5, -25.25], [-51.75, -25.146], [-52.0, -25.25], [-52.53, -25.03], [-52.75, -24.5], [-52.646, -24.25], [-52.75, -24.0], [-52.646, -23.75], [-52.75, -23.5]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-09T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-51.17677669529661, -21.82322330470336], [-51.03033008588989, 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standardized t2m anomalies.", "value": [1.4076081612707227, 1.646363026194547, 1.7975137381837785, 1.8775031993224307, 1.7117455105620896]}}