{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:42.151659", "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": "2022-Aug-25_to_2022-Aug-27_298.5_-27.5"}, "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": 2022080002789}, "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 25 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 27 2022"}, "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": 111918.9461144851}, "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", "Paraguay"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -27.5}, "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": 298.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -25.0], [-63.65, -24.75], [-63.75, -24.5], [-63.65, -24.25], [-63.75, -24.0], [-63.53, -23.47], [-63.18, -23.32], [-63.15, -23.25], [-63.25, -23.0], [-63.15, -22.75], [-63.25, -22.5], [-63.03, -21.97], [-62.5, -21.75], [-62.25, -21.85], [-62.0, -21.75], [-61.47, -21.97], [-61.25, -22.5], [-61.35, -22.75], [-61.32, -22.82], [-61.25, -22.85], [-61.0, -22.75], [-60.47, -22.97], [-60.25, -23.5], [-60.35, -23.75], [-60.25, -24.0], [-60.35, -24.25], [-60.25, -24.5], [-60.47, -25.03], [-60.82, -25.18], [-60.85, -25.25], [-60.75, -25.5], [-60.85, -25.75], [-60.82, -25.82], [-60.47, -25.97], [-60.25, -26.5], [-60.35, -26.75], [-60.25, -27.0], [-60.35, -27.25], [-60.25, -27.5], [-60.35, -27.75], [-60.25, -28.0], [-60.47, -28.53], [-61.0, -28.75], [-61.53, -28.53], [-61.68, -28.18], [-61.75, -28.15], [-62.0, -28.25], [-62.53, -28.03], [-62.75, -27.5], [-62.65, -27.25], [-62.75, -27.0], [-62.65, -26.75], [-62.68, -26.68], [-62.75, -26.65], [-63.0, -26.75], [-63.53, -26.53], [-63.75, -26.0], [-63.65, -25.75], [-63.75, -25.5], [-63.65, -25.25], [-63.75, -25.0]]]]}}, "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": {"2022-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -25.5], [-63.64999999999998, -25.25], [-63.75, -25.0], [-63.64999999999998, -24.75], [-63.75, -24.5], [-63.64999999999998, -24.25], [-63.75, -24.0], [-63.52999999999997, -23.47], [-63.18000000000001, -23.32], [-63.14999999999998, -23.25], [-63.25, -23.0], [-63.14999999999998, -22.75], [-63.25, -22.5], [-63.02999999999997, -21.97], [-62.5, -21.75], [-62.25, -21.85], [-62.0, -21.75], [-61.47000000000003, -21.97], [-61.25, -22.5], [-61.35000000000002, -22.75], [-61.31999999999999, -22.82], [-61.25, -22.85], [-61.0, -22.75], [-60.47000000000003, -22.97], [-60.25, -23.5], [-60.35000000000002, -23.75], [-60.25, -24.0], [-60.35000000000002, -24.25], [-60.25, -24.5], [-60.47000000000003, -25.03], [-60.81999999999999, -25.18], [-60.85000000000002, -25.25], [-60.75, -25.5], [-60.85000000000002, -25.75], [-60.81999999999999, -25.82], [-60.47000000000003, -25.97], [-60.25, -26.5], [-60.35000000000002, -26.75], [-60.25, -27.0], [-60.35000000000002, -27.25], [-60.25, -27.5], [-60.35000000000002, -27.75], [-60.25, -28.0], [-60.47000000000003, -28.53], [-61.0, -28.75], [-61.52999999999997, -28.53], [-61.68000000000001, -28.18], [-61.75, -28.15], [-62.0, -28.25], [-62.52999999999997, -28.03], [-62.75, -27.5], [-62.64999999999998, -27.25], [-62.75, -27.0], [-62.64999999999998, -26.75], [-62.68000000000001, -26.68], [-62.75, -26.65], [-63.0, -26.75], [-63.52999999999997, -26.53], [-63.75, -26.0], [-63.64999999999998, -25.75], [-63.75, -25.5]]]]}, "2022-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -25.5], [-63.64999999999998, -25.25], [-63.75, -25.0], [-63.64999999999998, -24.75], [-63.75, -24.5], [-63.64999999999998, -24.25], [-63.75, -24.0], [-63.52999999999997, -23.47], [-63.18000000000001, -23.32], [-63.14999999999998, -23.25], [-63.25, -23.0], [-63.14999999999998, -22.75], [-63.25, -22.5], [-63.02999999999997, -21.97], [-62.5, -21.75], [-62.25, -21.85], [-62.0, -21.75], [-61.47000000000003, -21.97], [-61.25, -22.5], [-61.35000000000002, -22.75], [-61.31999999999999, -22.82], [-61.25, -22.85], [-61.0, -22.75], [-60.47000000000003, -22.97], [-60.25, -23.5], [-60.35000000000002, -23.75], [-60.25, -24.0], [-60.35000000000002, -24.25], [-60.25, -24.5], [-60.47000000000003, -25.03], [-60.81999999999999, -25.18], [-60.85000000000002, -25.25], [-60.75, -25.5], [-60.85000000000002, -25.75], [-60.81999999999999, -25.82], [-60.47000000000003, -25.97], [-60.25, -26.5], [-60.35000000000002, -26.75], [-60.25, -27.0], [-60.35000000000002, -27.25], [-60.25, -27.5], [-60.35000000000002, -27.75], [-60.25, -28.0], [-60.47000000000003, -28.53], [-61.0, -28.75], [-61.52999999999997, -28.53], [-61.68000000000001, -28.18], 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"value": 11.307978790963432}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.009954407781807}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.773712712038787, 30.684419958062506, 30.171231842872714]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.63937786325772, 31.79583813446675, 32.05320960751487]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.88274784305082, 9.456675861568867, 8.690439518725736]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.380185837529325, 11.307978790963432, 9.68817915963615]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5536758877140282, 1.6380937212775712, 1.4930486376099998]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8510176064608874, 2.001341505189429, 1.6374326904519907]}}