{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:17.287465", "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-29_to_2021-Sep-01_297.5_-32.5"}, "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": 2021080003140}, "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 29 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 432507.03619295516}, "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"]}, "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"]}, "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": -32.5}, "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": 297.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -40.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-68.18, -35.32], [-68.15, -35.25], [-68.25, -35.0], [-68.03, -34.47], [-67.68, -34.32], [-67.53, -33.97], [-67.18, -33.82], [-67.03, -33.47], [-66.5, -33.25], [-67.03, -33.03], [-67.18, -32.68], [-67.53, -32.53], [-67.75, -32.0], [-67.65, -31.75], [-67.75, -31.5], [-67.65, -31.25], [-67.75, -31.0], [-67.65, -30.75], [-67.75, -30.5], [-67.53, -29.97], [-67.18, -29.82], [-67.03, -29.47], [-66.68, -29.32], [-66.53, -28.97], [-66.0, -28.75], [-65.47, -28.97], [-65.32, -29.32], [-65.25, -29.35], [-65.0, -29.25], [-64.47, -29.47], [-64.25, -30.0], [-64.47, -30.53], [-64.82, -30.68], [-64.85, -30.75], [-64.75, -31.0], [-64.85, -31.25], [-64.8, -31.38], [-64.5, -31.25], [-64.0, -31.46], [-63.5, -31.25], [-62.97, -31.47], [-62.82, -31.82], [-62.75, -31.85], [-62.5, -31.75], [-61.97, -31.97], [-61.75, -32.5], [-61.85, -32.75], [-61.75, -33.0], [-61.85, -33.25], [-61.82, -33.32], [-61.47, -33.47], [-61.25, -34.0], [-61.35, -34.25], [-61.32, -34.32], [-60.97, -34.47], [-60.75, -35.0], [-60.85, -35.25], [-60.82, -35.32], [-60.47, -35.47], [-60.25, -36.0], [-60.35, -36.25], [-60.32, -36.32], [-59.97, -36.47], [-59.82, -36.82], [-59.75, -36.85], [-59.5, -36.75], [-58.97, -36.97], [-58.75, -37.5], [-58.87, -37.8], [-58.75, -37.85], [-58.5, -37.75], [-57.97, -37.97], [-57.75, -38.5], [-57.97, -39.03], [-58.32, -39.18], [-58.47, -39.53], [-59.0, -39.75], [-59.25, -39.65], [-59.32, -39.68], [-59.47, -40.03], [-60.0, -40.25], [-60.25, -40.15], [-60.32, -40.18], [-60.47, -40.53], [-61.0, -40.75], [-61.53, -40.53], [-61.75, -40.0], [-61.65, -39.75], [-61.68, -39.68], [-61.75, -39.65], [-62.0, -39.75], [-62.53, -39.53], [-62.68, -39.18], [-62.75, -39.15], [-63.0, -39.25], [-63.25, -39.15], [-63.5, -39.25], [-63.75, -39.15], [-64.0, -39.25], [-64.25, -39.15], [-64.5, -39.25], [-65.03, -39.03], [-65.18, -38.68], [-65.25, -38.65], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.53, -38.53], [-66.68, -38.18], [-66.75, -38.15], [-67.0, -38.25], [-67.53, -38.03], [-67.75, -37.5], [-67.65, -37.25], [-67.68, -37.18], [-68.03, -37.03], [-68.18, -36.68], [-68.53, -36.53], [-68.75, -36.0], [-68.53, -35.47], [-68.18, -35.32]], [[-66.25, -33.35], [-66.0, -33.25], [-66.25, -33.15], [-66.5, -33.25], [-66.25, -33.35]], [[-65.75, -33.35], [-65.68, -33.32], [-65.65, -33.25], [-65.68, -33.18], [-65.75, -33.15], [-66.0, -33.25], [-65.75, -33.35]], [[-64.32, -36.82], [-64.25, -36.85], [-64.0, -36.75], [-64.3, -36.62], [-64.35, -36.75], [-64.32, -36.82]], [[-63.75, -36.85], [-63.63, -36.8], [-63.68, -36.68], [-63.75, -36.65], [-64.0, -36.75], [-63.75, -36.85]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.52999999999997, -36.53], [-68.75, -36.0], [-68.52999999999997, -35.47], [-68.18, -35.32], [-68.14999999999998, -35.25], [-68.25, -35.0], [-68.02999999999997, -34.47], [-67.68, -34.32], [-67.52999999999997, -33.97], [-67.18, -33.82], [-67.02999999999997, -33.47], [-66.5, -33.25], [-66.25, -33.35], [-66.0, -33.25], [-65.47000000000003, -33.47], [-65.25, -34.0], [-65.35000000000002, -34.25], [-65.25, -34.5], [-65.35000000000002, -34.75], [-65.30000000000001, -34.88], [-65.0, -34.75], [-64.47000000000003, -34.97], [-64.25, -35.5], [-64.35000000000002, -35.75], [-64.25, -36.0], [-64.35000000000002, -36.25], [-64.25, -36.5], [-64.35000000000002, -36.75], [-64.32, -36.82], [-64.25, -36.85], [-64.0, -36.75], [-63.75, -36.85], [-63.5, -36.75], [-63.25, -36.85], [-63.0, -36.75], [-62.47000000000003, -36.97], [-62.31999999999999, -37.32], [-62.25, -37.35], [-62.0, -37.25], [-61.75, -37.35], [-61.5, -37.25], [-61.25, -37.35], [-61.0, -37.25], [-60.75, -37.35], [-60.5, -37.25], [-60.25, -37.35], [-60.0, -37.25], [-59.47000000000003, -37.47], [-59.31999999999999, -37.82], [-59.25, -37.85], [-59.0, -37.75], [-58.75, -37.85], [-58.5, -37.75], [-57.97000000000003, -37.97], [-57.75, -38.5], [-57.97000000000003, -39.03], [-58.31999999999999, -39.18], [-58.47000000000003, -39.53], [-59.0, -39.75], [-59.25, -39.65], [-59.31999999999999, -39.68], [-59.47000000000003, -40.03], [-60.0, -40.25], [-60.25, -40.15], [-60.31999999999999, -40.18], [-60.47000000000003, -40.53], [-61.0, -40.75], [-61.52999999999997, -40.53], [-61.75, -40.0], [-61.64999999999998, -39.75], [-61.68000000000001, -39.68], [-61.75, -39.65], [-62.0, -39.75], [-62.52999999999997, -39.53], [-62.68000000000001, -39.18], [-62.75, -39.15], [-63.0, -39.25], [-63.25, -39.15], [-63.5, -39.25], [-63.75, -39.15], [-64.0, -39.25], [-64.25, -39.15], [-64.5, -39.25], [-65.02999999999997, -39.03], [-65.18, -38.68], [-65.25, -38.65], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.52999999999997, -38.53], [-66.68, -38.18], [-66.75, -38.15], [-67.0, -38.25], [-67.52999999999997, -38.03], [-67.75, -37.5], [-67.64999999999998, -37.25], [-67.68, -37.18], [-68.02999999999997, -37.03], [-68.18, -36.68], [-68.52999999999997, -36.53]]]]}, "2021-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.52999999999997, -36.53], [-68.75, -36.0], [-68.52999999999997, -35.47], [-68.18, -35.32], [-68.14999999999998, -35.25], [-68.25, -35.0], [-68.02999999999997, -34.47], [-67.68, -34.32], [-67.52999999999997, -33.97], [-67.18, -33.82], [-67.02999999999997, -33.47], [-66.5, -33.25], [-67.02999999999997, -33.03], [-67.18, -32.68], [-67.52999999999997, -32.53], [-67.75, -32.0], [-67.64999999999998, -31.75], [-67.75, -31.5], [-67.64999999999998, -31.25], [-67.75, -31.0], [-67.64999999999998, -30.75], [-67.75, -30.5], [-67.52999999999997, -29.97], [-67.18, -29.82], [-67.02999999999997, -29.47], [-66.68, -29.32], [-66.52999999999997, -28.97], [-66.0, -28.75], [-65.47000000000003, -28.97], [-65.32, -29.32], [-65.25, -29.35], [-65.0, -29.25], [-64.47000000000003, -29.47], [-64.25, -30.0], [-64.47000000000003, -30.53], [-64.82, -30.68], [-64.85000000000002, -30.75], [-64.75, -31.0], [-64.85000000000002, -31.25], [-64.80000000000001, -31.38], [-64.5, -31.25], [-64.0, -31.46], [-63.5, -31.25], [-62.97000000000003, -31.47], [-62.81999999999999, -31.82], [-62.75, -31.85], [-62.5, -31.75], [-61.97000000000003, -31.97], [-61.75, -32.5], [-61.85000000000002, -32.75], [-61.75, -33.0], [-61.85000000000002, -33.25], [-61.81999999999999, -33.32], [-61.47000000000003, -33.47], [-61.25, -34.0], [-61.35000000000002, -34.25], [-61.31999999999999, -34.32], [-60.97000000000003, -34.47], [-60.75, -35.0], [-60.85000000000002, -35.25], [-60.81999999999999, -35.32], [-60.47000000000003, -35.47], [-60.25, -36.0], [-60.35000000000002, -36.25], [-60.31999999999999, -36.32], [-59.97000000000003, -36.47], [-59.81999999999999, -36.82], [-59.75, -36.85], [-59.5, -36.75], [-58.97000000000003, -36.97], [-58.75, -37.5], [-58.870000000000005, -37.8], [-58.75, -37.85], [-58.5, -37.75], [-57.97000000000003, -37.97], [-57.75, -38.5], [-57.97000000000003, -39.03], [-58.31999999999999, -39.18], [-58.47000000000003, -39.53], [-59.0, -39.75], [-59.25, -39.65], [-59.31999999999999, -39.68], [-59.47000000000003, -40.03], [-60.0, -40.25], [-60.25, -40.15], [-60.31999999999999, -40.18], [-60.47000000000003, -40.53], [-61.0, -40.75], [-61.52999999999997, -40.53], [-61.75, -40.0], [-61.64999999999998, -39.75], [-61.68000000000001, -39.68], [-61.75, -39.65], [-62.0, -39.75], [-62.52999999999997, -39.53], [-62.68000000000001, -39.18], [-62.75, -39.15], [-63.0, -39.25], [-63.25, -39.15], [-63.5, -39.25], [-63.75, -39.15], [-64.0, -39.25], [-64.25, -39.15], [-64.5, -39.25], [-65.02999999999997, -39.03], [-65.18, -38.68], [-65.25, -38.65], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.52999999999997, -38.53], [-66.68, -38.18], [-66.75, -38.15], [-67.0, -38.25], [-67.52999999999997, -38.03], [-67.75, -37.5], [-67.64999999999998, -37.25], [-67.68, -37.18], [-68.02999999999997, -37.03], [-68.18, -36.68], [-68.52999999999997, -36.53]], [[-66.25, -33.35], [-66.0, -33.25], [-66.25, -33.15], [-66.5, -33.25], [-66.25, -33.35]], [[-65.75, -33.35], [-65.68, -33.32], [-65.64999999999998, -33.25], [-65.68, -33.18], [-65.75, -33.15], [-66.0, -33.25], [-65.75, -33.35]], [[-63.620000000000005, -36.8], [-63.68000000000001, -36.68], [-63.75, -36.65], [-64.0, -36.75], [-63.75, -36.85], [-63.620000000000005, -36.8]], [[-64.30000000000001, -36.62], [-64.35000000000002, -36.75], [-64.32, -36.82], [-64.25, -36.85], [-64.0, -36.75], [-64.30000000000001, -36.62]]]]}, "2021-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.52999999999997, -36.53], [-68.75, -36.0], [-68.52999999999997, -35.47], [-68.18, -35.32], [-68.14999999999998, -35.25], [-68.25, -35.0], [-68.02999999999997, -34.47], [-67.68, -34.32], [-67.52999999999997, -33.97], [-67.18, -33.82], [-67.02999999999997, -33.47], [-66.5, -33.25], [-67.02999999999997, -33.03], [-67.18, -32.68], [-67.52999999999997, -32.53], [-67.75, -32.0], [-67.64999999999998, -31.75], [-67.75, -31.5], [-67.64999999999998, -31.25], [-67.75, -31.0], [-67.64999999999998, -30.75], [-67.75, -30.5], [-67.52999999999997, -29.97], [-67.18, -29.82], [-67.02999999999997, -29.47], [-66.68, -29.32], [-66.52999999999997, -28.97], [-66.0, -28.75], [-65.47000000000003, -28.97], [-65.32, -29.32], [-65.25, -29.35], [-65.0, -29.25], [-64.47000000000003, -29.47], [-64.25, -30.0], [-64.47000000000003, -30.53], [-64.82, -30.68], [-64.85000000000002, -30.75], [-64.75, -31.0], [-64.85000000000002, -31.25], [-64.80000000000001, -31.38], [-64.5, -31.25], [-64.0, -31.46], [-63.5, -31.25], [-62.97000000000003, -31.47], [-62.81999999999999, -31.82], [-62.75, -31.85], [-62.5, -31.75], [-61.97000000000003, -31.97], [-61.75, -32.5], [-61.85000000000002, -32.75], [-61.75, -33.0], [-61.85000000000002, -33.25], [-61.81999999999999, -33.32], [-61.47000000000003, -33.47], [-61.25, -34.0], [-61.35000000000002, -34.25], [-61.31999999999999, -34.32], [-60.97000000000003, -34.47], [-60.75, -35.0], [-60.85000000000002, -35.25], [-60.81999999999999, -35.32], [-60.47000000000003, -35.47], [-60.25, -36.0], [-60.35000000000002, -36.25], [-60.31999999999999, -36.32], [-59.97000000000003, -36.47], [-59.81999999999999, -36.82], [-59.75, -36.85], [-59.5, -36.75], [-58.97000000000003, -36.97], [-58.75, -37.5], [-58.870000000000005, -37.8], [-58.75, -37.85], [-58.5, -37.75], [-57.97000000000003, -37.97], [-57.75, -38.5], [-57.97000000000003, -39.03], [-58.31999999999999, -39.18], [-58.47000000000003, -39.53], [-59.0, -39.75], [-59.25, -39.65], [-59.31999999999999, -39.68], [-59.47000000000003, -40.03], [-60.0, -40.25], [-60.25, -40.15], [-60.31999999999999, -40.18], [-60.47000000000003, -40.53], [-61.0, -40.75], [-61.52999999999997, -40.53], [-61.75, -40.0], [-61.64999999999998, -39.75], [-61.68000000000001, -39.68], [-61.75, -39.65], [-62.0, -39.75], [-62.52999999999997, -39.53], [-62.68000000000001, -39.18], [-62.75, -39.15], [-63.0, -39.25], [-63.25, -39.15], [-63.5, -39.25], [-63.75, -39.15], [-64.0, -39.25], [-64.25, -39.15], [-64.5, -39.25], [-65.02999999999997, -39.03], [-65.18, -38.68], [-65.25, -38.65], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.52999999999997, -38.53], [-66.68, -38.18], [-66.75, -38.15], [-67.0, -38.25], [-67.52999999999997, -38.03], [-67.75, -37.5], [-67.64999999999998, -37.25], [-67.68, -37.18], [-68.02999999999997, -37.03], [-68.18, -36.68], [-68.52999999999997, -36.53]], [[-66.25, -33.35], [-66.0, -33.25], [-66.25, -33.15], [-66.5, -33.25], [-66.25, -33.35]], [[-65.75, -33.35], [-65.68, -33.32], [-65.64999999999998, -33.25], [-65.68, -33.18], [-65.75, -33.15], [-66.0, -33.25], [-65.75, -33.35]], [[-63.620000000000005, -36.8], [-63.68000000000001, -36.68], [-63.75, -36.65], [-64.0, -36.75], [-63.75, -36.85], [-63.620000000000005, -36.8]], [[-64.30000000000001, -36.62], [-64.35000000000002, -36.75], [-64.32, -36.82], [-64.25, -36.85], [-64.0, -36.75], [-64.30000000000001, -36.62]]]]}, "2021-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.75, -31.5], [-67.64999999999998, -31.25], [-67.75, -31.0], [-67.64999999999998, -30.75], [-67.75, -30.5], [-67.52999999999997, -29.97], [-67.18, -29.82], [-67.02999999999997, -29.47], [-66.68, -29.32], [-66.52999999999997, -28.97], [-66.0, -28.75], [-65.47000000000003, -28.97], [-65.32, -29.32], [-65.25, -29.35], [-65.0, -29.25], [-64.47000000000003, -29.47], [-64.25, -30.0], [-64.47000000000003, -30.53], [-64.82, -30.68], [-64.85000000000002, -30.75], [-64.75, -31.0], [-64.85000000000002, -31.25], [-64.80000000000001, -31.38], [-64.5, -31.25], [-64.0, -31.46], [-63.5, -31.25], [-62.97000000000003, -31.47], [-62.81999999999999, -31.82], [-62.75, -31.85], [-62.5, -31.75], [-61.97000000000003, -31.97], [-61.75, -32.5], [-61.85000000000002, -32.75], [-61.75, -33.0], [-61.85000000000002, -33.25], [-61.81999999999999, -33.32], [-61.47000000000003, -33.47], [-61.25, -34.0], [-61.35000000000002, -34.25], [-61.31999999999999, -34.32], [-60.97000000000003, -34.47], [-60.75, -35.0], [-60.85000000000002, -35.25], [-60.81999999999999, -35.32], [-60.47000000000003, -35.47], [-60.25, -36.0], [-60.35000000000002, -36.25], [-60.31999999999999, -36.32], [-59.97000000000003, -36.47], [-59.81999999999999, -36.82], [-59.75, -36.85], [-59.5, -36.75], [-58.97000000000003, -36.97], [-58.75, -37.5], [-58.97000000000003, -38.03], [-59.5, -38.25], [-59.75, -38.15], [-60.0, -38.25], [-60.25, -38.15], [-60.5, -38.25], [-60.75, -38.15], [-61.0, -38.25], [-61.25, -38.15], [-61.5, -38.25], [-61.75, -38.15], [-62.0, -38.25], [-62.52999999999997, -38.03], [-62.68000000000001, -37.68], [-63.02999999999997, -37.53], [-63.18000000000001, -37.18], [-63.52999999999997, -37.03], [-63.68000000000001, -36.68], [-63.75, -36.65], [-64.0, -36.75], [-64.52999999999997, -36.53], [-64.68, -36.18], [-65.02999999999997, -36.03], [-65.18, -35.68], [-65.52999999999997, -35.53], [-65.68, -35.18], [-66.02999999999997, -35.03], [-66.25, -34.5], [-66.14999999999998, -34.25], [-66.25, -34.0], [-66.02999999999997, -33.47], [-65.68, -33.32], [-65.64999999999998, -33.25], [-65.68, -33.18], [-65.75, -33.15], [-66.0, -33.25], [-66.25, -33.15], [-66.5, -33.25], [-67.02999999999997, -33.03], [-67.18, -32.68], [-67.52999999999997, -32.53], [-67.75, -32.0], [-67.64999999999998, -31.75], [-67.75, -31.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.168961937038148}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.286673838130366}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.849791279754072, 19.09594466812979, 20.349269482848456, 19.752873695444578]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.171844421894832, 25.857407362769948, 28.679668678226733, 30.21866545391839]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.565145800317522, 6.973203396807829, 8.427908938004471, 7.183327918558991]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.31956451072665, 9.431431549069146, 12.0522651237157, 12.168961937038148]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.546326187132582, 1.85050599865205, 2.236886072921432, 1.8408334639511144]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8512799200620125, 2.657350650193081, 2.86563243595822, 2.6923681625283025]}}