{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:53:34.014267", "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": "2026-May-15_to_2026-May-21_315.0_-19.5"}, "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": 2026050001887}, "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": "May 15 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 21 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 58923.24482858794}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -19.5}, "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": 315.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 310.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.97, -19.53], [-46.5, -19.75], [-47.03, -19.53], [-47.25, -19.0], [-47.03, -18.47], [-46.5, -18.25]]]]}, "2026-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -20.03], [-45.75, -19.5], [-45.53, -18.97], [-45.0, -18.75], [-44.47, -18.97], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03]]], [[[-47.03, -19.53], [-47.25, -19.0], [-47.03, -18.47], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.97, -19.53], [-46.5, -19.75], [-47.03, -19.53]]]]}, "2026-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -20.03], [-45.75, -19.5], [-45.53, -18.97], [-45.0, -18.75], [-44.47, -18.97], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03]]], [[[-47.25, -19.0], [-47.03, -18.47], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.97, -19.53], [-46.5, -19.75], [-47.03, -19.53], [-47.25, -19.0]]], [[[-49.0, -15.25], [-48.75, -15.35], [-48.5, -15.25], [-47.97, -15.47], [-47.82, -15.82], [-47.47, -15.97], [-47.25, -16.5], [-47.47, -17.03], [-48.0, -17.25], [-48.25, -17.15], [-48.5, -17.25], [-49.03, -17.03], [-49.18, -16.68], [-49.53, -16.53], [-49.75, -16.0], [-49.53, -15.47], [-49.0, -15.25]]]]}, "2026-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.25, -15.5], [-50.03, -14.97], [-49.5, -14.75], [-48.97, -14.97], [-48.82, -15.32], [-48.75, -15.35], [-48.5, -15.25], [-47.97, -15.47], [-47.82, -15.82], [-47.47, -15.97], [-47.25, -16.5], [-47.35, -16.75], [-47.32, -16.82], [-47.25, -16.85], [-47.0, -16.75], [-46.47, -16.97], [-46.3, -17.38], [-46.0, -17.25], [-45.75, -17.35], [-45.5, -17.25], [-44.97, -17.47], [-44.75, -18.0], [-44.85, -18.25], [-44.75, -18.5], [-44.85, -18.75], [-44.82, -18.82], [-44.47, -18.97], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03], [-45.68, -19.68], [-46.0, -19.54], [-46.5, -19.75], [-47.03, -19.53], [-47.18, -19.18], [-47.53, -19.03], [-47.68, -18.68], [-48.03, -18.53], [-48.25, -18.0], [-48.15, 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