{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:47.678277", "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": "2014-Feb-14_to_2014-Feb-17_289.0_-46.5"}, "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": 2014020001877}, "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": "February 14 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 17 2014"}, "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": 99125.49415354409}, "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.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": ["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": -46.5}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.25}, "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": -43.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.03, -46.53], [-75.25, -46.0], [-75.03, -45.47], [-74.5, 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[-74.5, -46.75], [-75.03, -46.53]]]]}, "2014-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.03, -46.53], [-74.25, -46.0], [-74.03, -45.47], [-73.5, -45.25], [-73.25, -45.35], [-73.12, -45.3], [-73.25, -45.0], [-73.15, -44.75], [-73.25, -44.5], [-73.15, -44.25], [-73.25, -44.0], [-73.03, -43.47], [-72.5, -43.25], [-72.25, -43.35], [-72.0, -43.25], [-71.5, -43.46], [-71.0, -43.25], [-70.47, -43.47], [-70.32, -43.82], [-69.97, -43.97], [-69.75, -44.5], [-69.85, -44.75], [-69.75, -45.0], [-69.85, -45.25], [-69.82, -45.32], [-69.47, -45.47], [-69.25, -46.0], [-69.37, -46.3], [-69.25, -46.35], [-69.0, -46.25], [-68.47, -46.47], [-68.25, -47.0], [-68.47, -47.53], [-68.82, -47.68], [-68.97, -48.03], [-69.5, -48.25], [-70.03, -48.03], [-70.18, -47.68], [-70.25, -47.65], [-70.5, -47.75], [-70.75, -47.65], [-71.0, -47.75], [-71.25, -47.65], [-71.5, -47.75], [-71.8, -47.62], [-71.97, -48.03], [-72.5, -48.25], [-73.03, -48.03], [-73.25, -47.5], [-73.15, -47.25], [-73.25, -47.0], [-73.15, -46.75], [-73.18, -46.68], [-73.25, -46.65], [-73.5, -46.75], [-74.03, -46.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.938126753060601}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.550614407590777}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.01391898589617, 17.726782295074884, 17.781599319832424, 19.05948091156074]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.87968493774457, 22.025667389846433, 22.90823169700667, 24.349680804475213]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.288003962835071, 5.195096578273039, 5.478148411845982, 6.300686323927025]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.558344826555583, 6.401599784162897, 6.840978034482589, 7.938126753060601]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.828206372415905, 1.758855219094212, 1.787930847474699, 1.9132853340685256]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [3.1214185444419664, 2.5488064617588337, 2.266904594198616, 2.3007793938607697]}}