{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:10.724294", "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-Aug-31_287.5_-39.5"}, "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": 2021080002967}, "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": "August 31 2021"}, "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": 51433.624545975996}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.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": ["South Pacific 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": -39.5}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 288.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -38.25}, "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": [[[[-74.53, -40.47], [-74.0, -40.25], [-73.5, -40.46], [-73.18, -40.32], [-73.15, -40.25], [-73.25, -40.0], [-73.15, -39.75], [-73.25, -39.5], [-73.15, -39.25], [-73.25, -39.0], [-73.15, -38.75], [-73.25, -38.5], [-73.03, -37.97], [-72.5, -37.75], [-72.25, -37.85], [-72.0, -37.75], [-71.47, -37.97], [-71.25, -38.5], [-71.35, -38.75], [-71.25, -39.0], [-71.35, -39.25], [-71.25, -39.5], [-71.47, -40.03], [-71.82, -40.18], [-71.85, -40.25], [-71.82, -40.32], [-71.47, -40.47], [-71.25, -41.0], [-71.35, -41.25], [-71.25, -41.5], [-71.35, -41.75], [-71.25, -42.0], [-71.35, -42.25], [-71.25, -42.5], [-71.47, -43.03], [-72.0, -43.25], [-72.5, -43.04], [-73.0, -43.25], [-73.25, -43.15], [-73.5, -43.25], [-74.03, -43.03], [-74.25, -42.5], [-74.15, -42.25], [-74.18, -42.18], [-74.53, -42.03], [-74.75, -41.5], [-74.65, -41.25], [-74.75, -41.0], [-74.53, -40.47]]]]}, "2021-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, -40.47], [-74.0, -40.25], [-73.5, -40.46], [-73.18, -40.32], [-73.15, -40.25], [-73.25, -40.0], [-73.15, -39.75], [-73.25, -39.5], [-73.15, -39.25], [-73.25, -39.0], [-73.15, -38.75], [-73.25, -38.5], [-73.03, -37.97], [-72.5, -37.75], [-72.25, -37.85], [-72.0, -37.75], [-71.47, -37.97], [-71.25, -38.5], [-71.35, -38.75], [-71.25, -39.0], [-71.35, -39.25], [-71.25, -39.5], [-71.47, -40.03], [-71.82, -40.18], [-71.85, -40.25], [-71.82, -40.32], [-71.47, -40.47], [-71.25, -41.0], [-71.35, -41.25], [-71.25, -41.5], [-71.35, -41.75], [-71.25, -42.0], [-71.35, -42.25], [-71.25, -42.5], [-71.47, -43.03], [-72.0, -43.25], [-72.5, -43.04], [-73.0, -43.25], [-73.25, -43.15], [-73.5, -43.25], [-74.03, -43.03], [-74.25, -42.5], [-74.15, -42.25], [-74.18, -42.18], [-74.53, -42.03], [-74.75, -41.5], [-74.65, -41.25], [-74.75, -41.0], [-74.53, -40.47]]]]}, "2021-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.53, -40.47], [-74.0, -40.25], [-73.5, -40.46], [-73.18, -40.32], [-73.15, -40.25], [-73.25, -40.0], [-73.15, -39.75], [-73.25, -39.5], [-73.15, -39.25], [-73.25, -39.0], [-73.15, -38.75], [-73.25, -38.5], [-73.03, -37.97], [-72.5, -37.75], [-72.25, -37.85], [-72.0, -37.75], [-71.47, -37.97], [-71.25, -38.5], [-71.35, -38.75], [-71.25, -39.0], [-71.35, -39.25], [-71.25, -39.5], [-71.47, -40.03], [-71.82, -40.18], [-71.85, -40.25], [-71.82, -40.32], [-71.47, -40.47], [-71.25, -41.0], [-71.35, -41.25], [-71.25, -41.5], [-71.35, -41.75], [-71.25, -42.0], [-71.35, -42.25], [-71.25, -42.5], [-71.47, -43.03], [-72.0, -43.25], [-72.5, -43.04], [-73.0, -43.25], [-73.25, -43.15], [-73.5, -43.25], [-74.03, -43.03], [-74.25, -42.5], [-74.15, -42.25], [-74.18, -42.18], [-74.53, -42.03], [-74.75, -41.5], [-74.65, -41.25], [-74.75, -41.0], [-74.53, -40.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.253673627054354}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.2032190896740187}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.010400403679967, 9.689830709812838, 9.098295333082262]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.25659219364826, 12.893629452330003, 11.931062182428661]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6397388974456066, 3.2875624158782943, 2.682355955698155]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.253673627054354, 4.635258752942718, 3.294414572356118]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9237700295233269, 1.7493680259234174, 1.4652989382164525]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3593589497782372, 2.1929405228469627, 1.783938754497167]}}