{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:49.639878", "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-Nov-19_to_2021-Nov-26_290.0_-34.0"}, "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": 2021110002164}, "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": "November 19 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 26 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 154372.4421227854}, "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", "Chile"]}, "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": -34.0}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.0}, "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": -32.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-68.96, -38.0], [-68.75, -38.5], [-68.85, -38.75], [-68.75, -39.0], [-68.97, -39.53], [-69.32, -39.68], [-69.35, -39.75], [-69.25, -40.0], [-69.47, -40.53], [-70.0, -40.75], [-70.53, -40.53], [-70.68, -40.18], [-71.03, -40.03], [-71.25, -39.5], [-71.15, -39.25], [-71.25, -39.0], [-71.15, -38.75], [-71.25, -38.5], [-71.12, -38.2], [-71.5, -38.04], [-72.0, -38.25], [-72.3, -38.12], [-72.47, -38.53], [-73.0, -38.75], [-73.53, -38.53], [-73.75, -38.0], [-73.65, -37.75], [-73.75, -37.5], [-73.65, -37.25], [-73.75, -37.0], [-73.65, -36.75], [-73.75, -36.5], [-73.53, -35.97], [-73.18, -35.82], [-73.15, -35.75], [-73.25, -35.5], [-73.03, -34.97], [-72.5, -34.75], [-72.25, -34.85], [-72.0, -34.75], [-71.75, -34.85], [-71.5, -34.75], [-71.25, -34.85], [-71.12, -34.8], [-71.25, -34.5], [-71.15, -34.25], [-71.25, -34.0], [-71.04, -33.5], [-71.25, -33.0], [-71.03, -32.47], [-70.68, -32.32], [-70.53, -31.97], [-70.0, -31.75], [-69.47, -31.97], [-69.32, -32.32], [-68.97, -32.47], [-68.75, -33.0], [-68.96, -33.5], [-68.75, -34.0], [-68.85, -34.25], [-68.82, -34.32], [-68.47, -34.47], [-68.25, -35.0], [-68.35, -35.25], [-68.25, -35.5], [-68.35, -35.75], [-68.25, -36.0], [-68.47, -36.53], [-68.82, -36.68], [-68.96, -37.0], [-68.75, -37.5], [-68.96, -38.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.South-America", "S.E.South-America", "S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, -37.5], [-71.52999999999997, -36.97], [-71.0, -36.75], [-70.75, -36.85], [-70.5, -36.75], [-69.97000000000003, -36.97], [-69.82, -37.32], [-69.47000000000003, -37.47], [-69.25, -38.0], [-69.35000000000002, -38.25], [-69.25, -38.5], [-69.35000000000002, -38.75], [-69.25, -39.0], [-69.45999999999998, -39.5], [-69.25, -40.0], [-69.47000000000003, -40.53], [-70.0, -40.75], [-70.52999999999997, -40.53], [-70.75, -40.0], [-70.54000000000002, -39.5], [-70.68, -39.18], [-71.02999999999997, -39.03], [-71.25, -38.5], [-71.12, -38.2], [-71.52999999999997, -38.03], [-71.75, -37.5]]], [[[-73.52999999999997, -38.03], [-73.75, -37.5], [-73.52999999999997, -36.97], [-73.0, -36.75], [-72.47000000000003, -36.97], [-72.25, -37.5], [-72.47000000000003, -38.03], [-73.0, -38.25], [-73.52999999999997, -38.03]]], [[[-70.52999999999997, -35.03], [-70.75, -34.5], [-70.52999999999997, -33.97], [-70.0, -33.75], [-69.47000000000003, -33.97], [-69.25, -34.5], [-69.47000000000003, -35.03], [-70.0, -35.25], [-70.52999999999997, -35.03]]]]}, "2021-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.64999999999998, -37.25], [-73.75, -37.0], [-73.52999999999997, -36.47], [-73.18, -36.32], [-73.02999999999997, -35.97], [-72.68, -35.82], [-72.52999999999997, -35.47], [-72.0, -35.25], [-71.75, -35.35], [-71.5, -35.25], [-70.97000000000003, -35.47], [-70.75, -36.0], [-70.85000000000002, -36.25], [-70.75, -36.5], [-70.85000000000002, -36.75], [-70.82, -36.82], [-70.75, -36.85], [-70.5, -36.75], [-70.25, -36.85], [-70.0, -36.75], [-69.75, -36.85], [-69.5, -36.75], [-68.97000000000003, -36.97], [-68.75, -37.5], [-68.95999999999998, -38.0], [-68.75, -38.5], [-68.85000000000002, -38.75], [-68.75, -39.0], [-68.97000000000003, -39.53], [-69.32, -39.68], [-69.35000000000002, -39.75], [-69.25, -40.0], [-69.47000000000003, -40.53], [-70.0, -40.75], [-70.52999999999997, -40.53], [-70.75, -40.0], [-70.64999999999998, -39.75], [-70.75, -39.5], [-70.64999999999998, -39.25], [-70.68, -39.18], [-71.02999999999997, -39.03], [-71.25, -38.5], [-71.12, -38.2], [-71.5, -38.04], [-72.0, -38.25], [-72.30000000000001, -38.12], [-72.47000000000003, -38.53], [-73.0, -38.75], [-73.52999999999997, -38.53], [-73.75, -38.0], [-73.64999999999998, -37.75], [-73.75, -37.5], [-73.64999999999998, -37.25]]], [[[-70.75, -34.5], [-70.52999999999997, -33.97], [-70.0, -33.75], [-69.75, -33.85], [-69.5, -33.75], [-68.97000000000003, -33.97], [-68.75, -34.5], [-68.97000000000003, -35.03], [-69.5, -35.25], [-69.75, -35.15], [-70.0, -35.25], [-70.52999999999997, -35.03], [-70.75, -34.5]]], [[[-70.52999999999997, -33.03], [-70.75, -32.5], [-70.52999999999997, -31.97], [-70.0, -31.75], [-69.47000000000003, -31.97], [-69.25, -32.5], [-69.47000000000003, -33.03], [-70.0, -33.25], [-70.52999999999997, -33.03]]]]}, "2021-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -37.5], [-73.64999999999998, -37.25], [-73.75, -37.0], [-73.64999999999998, -36.75], [-73.75, -36.5], [-73.52999999999997, -35.97], [-73.18, -35.82], [-73.14999999999998, -35.75], [-73.25, -35.5], [-73.02999999999997, -34.97], [-72.5, -34.75], [-72.25, -34.85], [-72.0, -34.75], [-71.75, -34.85], [-71.5, -34.75], [-71.25, -34.85], [-71.12, -34.8], [-71.25, -34.5], [-71.14999999999998, -34.25], [-71.25, -34.0], [-71.04000000000002, -33.5], [-71.25, -33.0], [-71.02999999999997, -32.47], [-70.68, -32.32], [-70.52999999999997, -31.97], [-70.0, -31.75], [-69.47000000000003, -31.97], [-69.32, -32.32], [-68.97000000000003, -32.47], [-68.75, -33.0], [-68.95999999999998, -33.5], [-68.75, -34.0], [-68.85000000000002, -34.25], [-68.82, -34.32], [-68.47000000000003, -34.47], [-68.25, -35.0], [-68.35000000000002, -35.25], [-68.25, -35.5], [-68.35000000000002, -35.75], [-68.25, -36.0], [-68.47000000000003, -36.53], [-68.82, -36.68], [-68.95999999999998, -37.0], [-68.75, -37.5], [-68.95999999999998, -38.0], [-68.75, -38.5], [-68.85000000000002, -38.75], [-68.75, -39.0], [-68.97000000000003, -39.53], [-69.32, -39.68], [-69.35000000000002, -39.75], [-69.25, -40.0], [-69.47000000000003, -40.53], [-70.0, -40.75], [-70.52999999999997, -40.53], [-70.75, -40.0], [-70.64999999999998, -39.75], [-70.75, -39.5], [-70.64999999999998, -39.25], [-70.68, -39.18], [-71.02999999999997, -39.03], [-71.25, -38.5], [-71.12, -38.2], [-71.5, -38.04], [-72.0, -38.25], [-72.30000000000001, -38.12], [-72.47000000000003, -38.53], [-73.0, -38.75], [-73.52999999999997, -38.53], [-73.75, -38.0], [-73.64999999999998, -37.75], [-73.75, -37.5]]]]}, "2021-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -37.5], [-73.64999999999998, -37.25], [-73.75, -37.0], [-73.64999999999998, -36.75], [-73.75, -36.5], [-73.52999999999997, -35.97], [-73.18, -35.82], [-73.14999999999998, -35.75], [-73.25, -35.5], [-73.02999999999997, -34.97], [-72.5, -34.75], [-72.25, -34.85], [-72.0, -34.75], [-71.75, -34.85], [-71.5, -34.75], [-71.25, -34.85], [-71.12, -34.8], [-71.25, -34.5], [-71.14999999999998, -34.25], [-71.25, -34.0], [-71.04000000000002, -33.5], [-71.25, -33.0], [-71.02999999999997, -32.47], [-70.68, -32.32], [-70.52999999999997, -31.97], [-70.0, -31.75], [-69.47000000000003, -31.97], [-69.32, -32.32], [-68.97000000000003, -32.47], [-68.75, -33.0], [-68.95999999999998, -33.5], [-68.75, -34.0], [-68.85000000000002, -34.25], [-68.82, -34.32], [-68.47000000000003, -34.47], [-68.25, -35.0], [-68.35000000000002, -35.25], [-68.25, -35.5], [-68.35000000000002, -35.75], [-68.25, -36.0], [-68.47000000000003, -36.53], [-68.82, -36.68], [-68.95999999999998, -37.0], [-68.75, -37.5], [-68.95999999999998, -38.0], [-68.75, -38.5], [-68.85000000000002, -38.75], [-68.75, -39.0], [-68.97000000000003, -39.53], [-69.32, -39.68], [-69.47000000000003, -40.03], [-70.0, -40.25], [-70.25, -40.15], [-70.5, -40.25], [-71.02999999999997, -40.03], [-71.25, -39.5], [-71.14999999999998, -39.25], [-71.25, -39.0], [-71.14999999999998, -38.75], [-71.25, -38.5], [-71.12, -38.2], [-71.5, -38.04], [-72.0, -38.25], [-72.30000000000001, -38.12], [-72.47000000000003, -38.53], [-73.0, -38.75], [-73.52999999999997, -38.53], [-73.75, -38.0], [-73.64999999999998, -37.75], [-73.75, -37.5]]]]}, "2021-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -37.5], [-73.64999999999998, -37.25], [-73.75, -37.0], [-73.64999999999998, -36.75], [-73.75, -36.5], [-73.52999999999997, -35.97], [-73.18, -35.82], [-73.14999999999998, -35.75], [-73.25, -35.5], [-73.02999999999997, -34.97], [-72.5, -34.75], [-72.25, -34.85], [-72.0, -34.75], [-71.75, -34.85], [-71.5, -34.75], [-71.25, -34.85], [-71.12, -34.8], [-71.25, -34.5], [-71.14999999999998, -34.25], [-71.25, -34.0], [-71.04000000000002, -33.5], [-71.25, -33.0], [-71.02999999999997, -32.47], [-70.68, -32.32], [-70.52999999999997, -31.97], [-70.0, -31.75], [-69.47000000000003, -31.97], [-69.32, -32.32], [-68.97000000000003, -32.47], [-68.75, -33.0], [-68.95999999999998, -33.5], [-68.75, -34.0], [-68.85000000000002, -34.25], [-68.82, -34.32], [-68.47000000000003, -34.47], [-68.25, -35.0], [-68.35000000000002, -35.25], [-68.25, -35.5], [-68.35000000000002, -35.75], [-68.25, -36.0], [-68.47000000000003, -36.53], [-68.82, -36.68], [-68.95999999999998, -37.0], [-68.75, -37.5], [-68.95999999999998, -38.0], [-68.75, -38.5], [-68.85000000000002, -38.75], [-68.75, -39.0], [-68.97000000000003, -39.53], [-69.32, -39.68], [-69.47000000000003, -40.03], [-70.0, -40.25], [-70.25, -40.15], [-70.5, -40.25], [-71.02999999999997, -40.03], [-71.25, -39.5], [-71.14999999999998, -39.25], [-71.25, -39.0], [-71.14999999999998, -38.75], [-71.25, -38.5], [-71.12, -38.2], [-71.5, -38.04], [-72.0, -38.25], [-72.30000000000001, -38.12], [-72.47000000000003, -38.53], [-73.0, -38.75], [-73.52999999999997, -38.53], [-73.75, -38.0], [-73.64999999999998, -37.75], [-73.75, -37.5]]]]}, "2021-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.14999999999998, -38.75], [-71.25, -38.5], [-71.02999999999997, -37.97], [-70.5, -37.75], [-70.25, -37.85], [-70.0, -37.75], [-69.75, -37.85], [-69.5, -37.75], [-68.97000000000003, -37.97], [-68.75, -38.5], [-68.85000000000002, -38.75], [-68.75, -39.0], [-68.97000000000003, -39.53], [-69.32, -39.68], [-69.47000000000003, -40.03], [-70.0, -40.25], [-70.25, -40.15], [-70.5, -40.25], [-71.02999999999997, -40.03], [-71.25, -39.5], [-71.14999999999998, -39.25], [-71.25, -39.0], [-71.14999999999998, -38.75]]], [[[-70.64999999999998, -33.75], [-70.75, -33.5], [-70.64999999999998, -33.25], [-70.75, -33.0], [-70.64999999999998, -32.75], [-70.75, -32.5], [-70.52999999999997, -31.97], [-70.0, -31.75], [-69.47000000000003, -31.97], [-69.32, -32.32], [-68.97000000000003, -32.47], [-68.75, -33.0], [-68.97000000000003, -33.53], [-69.32, -33.68], [-69.35000000000002, -33.75], [-69.25, -34.0], [-69.35000000000002, -34.25], [-69.25, -34.5], [-69.47000000000003, -35.03], [-70.0, -35.25], [-70.52999999999997, -35.03], [-70.75, -34.5], [-70.64999999999998, -34.25], [-70.75, -34.0], [-70.64999999999998, -33.75]]]]}, "2021-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.52999999999997, -33.47], [-70.0, -33.25], [-69.47000000000003, -33.47], [-69.25, -34.0], [-69.47000000000003, -34.53], [-70.0, -34.75], [-70.52999999999997, -34.53], [-70.75, -34.0], [-70.52999999999997, -33.47]]]]}, "2021-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.52999999999997, -33.47], [-70.0, -33.25], [-69.47000000000003, -33.47], [-69.25, -34.0], [-69.47000000000003, -34.53], [-70.0, -34.75], [-70.52999999999997, -34.53], [-70.75, -34.0], [-70.52999999999997, -33.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.488640773961322}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.928566648233441}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.005011519325194, 17.18009481544692, 14.839375480888464, 14.928494847269235, 15.329817113278239, 12.26804080088516, 2.7045968982128556, 4.545365899649653]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.727200702168545, 24.210180648951166, 23.00563822659211, 22.401297354893074, 22.419665592003753, 23.07025044093575, 2.7045968982128556, 4.545365899649653]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.971519736643453, 3.951471984229017, 3.6143480457070476, 3.846996930122978, 4.256120804778277, 4.169731329066971, 2.857189604457403, 4.712666138291354]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.8556003694293395, 6.157783399458481, 5.17192187101648, 5.239172399313077, 6.488640773961322, 5.691655635321354, 2.857189604457403, 4.712666138291354]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4803216450717347, 1.6653251698746732, 1.5519852042184399, 1.717830834175834, 1.8675935974450544, 1.6048833142565804, 1.3415292149388969, 2.1542261677105476]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6976747493955928, 2.3108309636823563, 2.249834196614361, 2.7524156416425694, 2.9507606821961927, 1.9999033078155264, 1.3415292149388969, 2.1542261677105476]}}