{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:27:13.386104", "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-Aug-07_to_2021-Aug-09_308.5_-0.5"}, "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": 2021080001908}, "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": "August 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2021"}, "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": 52539.850274096556}, "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": -0.5}, "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": 308.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "308.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.0}, "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": -1.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-52.646, -0.25], [-52.75, 0.0], [-52.53, 0.53], [-52.177, 0.677], [-52.043, 1.0], [-52.25, 1.5], [-52.146, 1.75], [-52.25, 2.0], [-52.03, 2.53], [-51.5, 2.75], [-51.25, 2.646], [-51.0, 2.75], [-50.47, 2.53], [-50.25, 2.0], [-50.354, 1.75], [-50.25, 1.5], [-50.354, 1.25], [-50.25, 1.0], [-50.354, 0.75], [-50.25, 0.5], [-50.354, 0.25], [-50.323, 0.177], [-49.97, 0.03], [-49.75, -0.5], [-49.97, -1.03], [-50.323, -1.177], [-50.47, -1.53], [-51.0, -1.75], [-51.25, -1.646], [-51.5, -1.75], [-51.75, -1.646], [-52.0, -1.75], [-52.53, -1.53], [-52.75, -1.0], [-52.646, -0.75], [-52.75, -0.5], [-52.646, -0.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "N.E.South-America", "Equatorial.Atlantic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-52.64644660940672, -0.75], [-52.75, -0.5], [-52.64644660940672, -0.25], [-52.75, 0.0], [-52.53033008588989, 0.5303300858899106], 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