{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:29.901422", "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-Feb-27_to_2021-Mar-03_300.5_-33.0"}, "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": 2021020002349}, "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 27 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 03 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": 59693.927014179506}, "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": ["Argentina", "Uruguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -33.0}, "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": 300.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.03, -32.47], [-59.5, -32.25], [-58.97, -32.47], 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"MultiPolygon", "coordinates": [[[[-62.03, -31.47], [-61.5, -31.25], [-61.25, -31.35], [-61.0, -31.25], [-60.75, -31.35], [-60.5, -31.25], [-60.25, -31.35], [-60.0, -31.25], [-59.75, -31.35], [-59.5, -31.25], [-58.97, -31.47], [-58.82, -31.82], [-58.47, -31.97], [-58.32, -32.32], [-57.97, -32.47], [-57.82, -32.82], [-57.47, -32.97], [-57.25, -33.5], [-57.47, -34.03], [-58.0, -34.25], [-58.3, -34.12], [-58.47, -34.53], [-58.82, -34.68], [-58.97, -35.03], [-59.5, -35.25], [-60.03, -35.03], [-60.25, -34.5], [-60.15, -34.25], [-60.18, -34.18], [-60.53, -34.03], [-60.68, -33.68], [-61.03, -33.53], [-61.18, -33.18], [-61.25, -33.15], [-61.5, -33.25], [-62.03, -33.03], [-62.25, -32.5], [-62.15, -32.25], [-62.25, -32.0], [-62.03, -31.47]]]]}, "2021-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -31.47], [-61.5, -31.25], [-61.25, -31.35], [-61.0, -31.25], [-60.75, -31.35], [-60.5, -31.25], [-60.25, -31.35], [-60.0, -31.25], [-59.75, -31.35], [-59.5, -31.25], 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