{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:31.727360", "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-Apr-14_to_2018-Apr-16_294.0_-44.5"}, "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": 2018040001955}, "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": "April 14 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 16 2018"}, "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": 58872.96760271465}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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 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": -44.5}, "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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -43.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -43.97], [-69.0, -43.75], [-68.75, -43.85], [-68.5, -43.75], [-68.0, -43.96], [-67.68, -43.82], [-67.53, -43.47], [-67.0, -43.25], [-66.75, -43.35], [-66.5, -43.25], [-66.25, -43.35], [-66.0, -43.25], [-65.75, -43.35], [-65.5, -43.25], [-64.97, -43.47], [-64.75, -44.0], [-64.85, -44.25], [-64.75, -44.5], [-64.87, -44.8], [-64.47, -44.97], [-64.25, -45.5], [-64.35, -45.75], [-64.25, -46.0], [-64.35, -46.25], [-64.32, -46.32], [-63.97, -46.47], [-63.75, -47.0], [-63.97, -47.53], [-64.32, -47.68], [-64.47, -48.03], [-65.0, -48.25], [-65.53, -48.03], [-65.75, -47.5], [-65.65, -47.25], [-65.75, -47.0], [-65.65, -46.75], [-65.75, -46.5], [-65.65, -46.25], [-65.68, -46.18], [-66.03, -46.03], [-66.18, -45.68], [-66.25, -45.65], [-66.32, -45.68], [-66.47, -46.03], [-67.0, -46.25], [-67.25, -46.15], [-67.5, -46.25], [-68.03, -46.03], [-68.18, -45.68], [-68.25, -45.65], [-68.5, -45.75], [-68.75, -45.65], [-69.0, -45.75], [-69.53, -45.53], [-69.75, -45.0], [-69.65, -44.75], [-69.75, -44.5], [-69.53, -43.97]]]]}, "2018-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -43.97], [-69.0, -43.75], [-68.75, -43.85], [-68.5, -43.75], [-68.0, -43.96], [-67.68, -43.82], [-67.53, -43.47], [-67.0, -43.25], [-66.75, -43.35], [-66.5, -43.25], [-66.25, -43.35], [-66.0, -43.25], [-65.75, -43.35], [-65.5, -43.25], [-64.97, -43.47], [-64.75, -44.0], [-64.85, -44.25], [-64.75, -44.5], [-64.87, -44.8], [-64.47, -44.97], [-64.25, -45.5], [-64.35, -45.75], [-64.25, -46.0], [-64.35, -46.25], [-64.32, -46.32], [-63.97, -46.47], [-63.75, -47.0], [-63.97, -47.53], [-64.32, -47.68], [-64.47, -48.03], [-65.0, -48.25], [-65.53, -48.03], [-65.75, -47.5], [-65.65, -47.25], [-65.75, -47.0], [-65.65, -46.75], [-65.75, -46.5], [-65.65, -46.25], [-65.68, -46.18], [-66.03, -46.03], [-66.18, -45.68], [-66.25, -45.65], [-66.32, -45.68], [-66.47, -46.03], [-67.0, -46.25], [-67.25, -46.15], [-67.5, -46.25], [-68.03, -46.03], [-68.18, -45.68], [-68.25, -45.65], [-68.5, -45.75], [-68.75, -45.65], [-69.0, -45.75], [-69.53, -45.53], [-69.75, -45.0], [-69.65, -44.75], [-69.75, -44.5], [-69.53, -43.97]]]]}, "2018-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -43.97], [-69.0, -43.75], [-68.75, -43.85], [-68.5, -43.75], [-68.0, -43.96], [-67.68, -43.82], [-67.53, -43.47], [-67.0, -43.25], [-66.75, -43.35], [-66.5, -43.25], [-66.25, -43.35], [-66.0, -43.25], [-65.75, -43.35], [-65.5, -43.25], [-64.97, -43.47], [-64.75, -44.0], [-64.85, -44.25], [-64.75, -44.5], [-64.87, -44.8], [-64.47, -44.97], [-64.25, -45.5], [-64.35, -45.75], [-64.25, -46.0], [-64.35, -46.25], [-64.32, -46.32], [-63.97, -46.47], [-63.75, -47.0], [-63.97, -47.53], [-64.32, -47.68], [-64.47, -48.03], [-65.0, -48.25], [-65.53, -48.03], [-65.75, -47.5], [-65.65, -47.25], [-65.75, -47.0], [-65.65, -46.75], [-65.75, -46.5], [-65.65, -46.25], [-65.68, -46.18], [-66.03, -46.03], [-66.18, -45.68], [-66.25, -45.65], [-66.32, -45.68], [-66.47, -46.03], [-67.0, -46.25], [-67.25, -46.15], [-67.5, -46.25], [-68.03, -46.03], [-68.18, -45.68], [-68.25, -45.65], [-68.5, -45.75], [-68.75, -45.65], [-69.0, -45.75], [-69.53, -45.53], [-69.75, -45.0], [-69.65, -44.75], [-69.75, -44.5], [-69.53, -43.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.183986612195554}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.913051679998524}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.49965060759598, 17.863757725353878, 18.644028315002117]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.230773351489916, 20.078661067747873, 21.09891306007023]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7735600072539426, 5.075676059088624, 5.889918973653005]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.32709136137629, 7.142765250897924, 8.183986612195554]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3841472705396198, 1.8167323234679873, 2.1406965180407473]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6025412996204447, 2.154367483192829, 2.5584045859092104]}}