{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:34.893165", "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": "2018-Mar-28_to_2018-Mar-31_289.5_-37.0"}, "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": 2018030002737}, "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": "March 28 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 31 2018"}, "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": 62923.34547629729}, "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.E.South-America", "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": []}, "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": -37.0}, "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": 289.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.12, -35.8], [-71.25, -35.5], [-71.15, -35.25], [-71.25, -35.0], [-71.03, -34.47], [-70.68, -34.32], [-70.54, -34.0], [-70.75, -33.5], [-70.53, -32.97], [-70.18, -32.82], [-70.03, -32.47], [-69.5, -32.25], [-68.97, -32.47], [-68.75, -33.0], [-68.85, -33.25], [-68.75, -33.5], [-68.85, -33.75], [-68.75, -34.0], [-68.85, -34.25], [-68.75, -34.5], [-68.85, -34.75], [-68.75, -35.0], [-68.85, -35.25], [-68.75, -35.5], [-68.97, -36.03], [-69.37, -36.2], [-69.25, -36.5], [-69.35, -36.75], [-69.25, -37.0], [-69.35, -37.25], [-69.25, -37.5], [-69.47, -38.03], [-70.0, -38.25], [-70.25, -38.15], [-70.5, -38.25], [-71.03, -38.03], [-71.18, -37.68], [-71.25, -37.65], [-71.5, -37.75], [-72.03, -37.53], [-72.25, -37.0], [-72.03, -36.47], [-71.68, -36.32], [-71.53, -35.97], [-71.12, -35.8]]]]}, "2018-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -37.0], [-72.03, -36.47], [-71.68, -36.32], [-71.65, -36.25], [-71.75, -36.0], [-71.53, -35.47], [-71.18, -35.32], [-71.15, -35.25], [-71.25, -35.0], [-71.03, -34.47], [-70.68, -34.32], [-70.54, -34.0], [-70.75, -33.5], [-70.53, -32.97], [-70.18, -32.82], [-70.03, -32.47], [-69.5, -32.25], [-69.25, -32.35], [-69.0, -32.25], [-68.47, -32.47], [-68.32, -32.82], [-67.97, -32.97], [-67.75, -33.5], [-67.97, -34.03], [-68.5, -34.25], [-68.8, -34.12], [-68.85, -34.25], [-68.75, -34.5], [-68.85, -34.75], [-68.75, -35.0], [-68.85, -35.25], [-68.75, -35.5], [-68.97, -36.03], [-69.32, -36.18], [-69.35, -36.25], [-69.25, -36.5], [-69.35, -36.75], [-69.25, -37.0], [-69.35, -37.25], [-69.25, -37.5], [-69.47, -38.03], [-70.0, -38.25], [-70.25, -38.15], [-70.5, -38.25], [-70.75, -38.15], [-71.0, -38.25], [-71.53, -38.03], [-71.68, -37.68], [-72.03, -37.53], [-72.25, -37.0]]]]}, "2018-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -37.0], [-72.03, -36.47], [-71.68, -36.32], [-71.65, -36.25], [-71.75, -36.0], [-71.53, -35.47], [-71.18, -35.32], [-71.15, -35.25], [-71.25, -35.0], [-71.03, -34.47], [-70.68, -34.32], [-70.54, -34.0], [-70.75, -33.5], [-70.53, -32.97], [-70.18, -32.82], [-70.03, -32.47], [-69.5, -32.25], [-69.25, -32.35], [-69.0, -32.25], [-68.47, -32.47], [-68.32, -32.82], [-67.97, -32.97], [-67.75, -33.5], [-67.97, -34.03], [-68.5, -34.25], [-68.8, -34.12], [-68.85, -34.25], [-68.75, -34.5], [-68.85, -34.75], [-68.75, -35.0], [-68.85, -35.25], [-68.75, -35.5], [-68.97, -36.03], [-69.32, -36.18], [-69.35, -36.25], [-69.25, -36.5], [-69.35, -36.75], [-69.25, -37.0], [-69.35, -37.25], [-69.25, -37.5], [-69.47, -38.03], [-70.0, -38.25], [-70.25, -38.15], [-70.5, -38.25], [-70.75, -38.15], [-71.0, -38.25], [-71.53, -38.03], [-71.68, -37.68], [-72.03, -37.53], [-72.25, -37.0]]]]}, "2018-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, -36.5], [-71.65, -36.25], [-71.75, -36.0], [-71.53, -35.47], [-71.0, -35.25], [-70.7, -35.38], [-70.53, -34.97], [-70.18, -34.82], [-70.03, -34.47], [-69.5, -34.25], [-68.97, -34.47], [-68.75, -35.0], [-68.97, -35.53], [-69.32, -35.68], [-69.35, 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{"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.331085410320043, 20.987158219059154, 21.382725397320826, 21.44741963356404]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.075227333451304, 4.317294256889431, 4.0228500451881635, 3.5321607367937777]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.713114084039773, 5.546279419511109, 5.3428060072745325, 4.773991752986603]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5705034485749159, 1.6802070643050604, 1.564581991142251, 1.398542059523696]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9429553726847082, 2.214993220198997, 1.8561434944498072, 1.7196398750581166]}}