{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:19.633527", "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": "2025-Jul-13_to_2025-Jul-15_300.5_-39.0"}, "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": 2025070001989}, "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": "July 13 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 2025"}, "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": 94713.90921733121}, "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.E.South-America", "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": -39.0}, "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": 300.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -40.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -37.25], [-64.25, -37.0], [-64.15, -36.75], 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[-63.15, -39.25], [-63.18, -39.18], [-63.53, -39.03], [-63.68, -38.68], [-64.03, -38.53], [-64.25, -38.0], [-64.15, -37.75], [-64.25, -37.5], [-64.15, -37.25]]]]}, "2025-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -37.25], [-64.25, -37.0], [-64.15, -36.75], [-64.25, -36.5], [-64.15, -36.25], [-64.25, -36.0], [-64.15, -35.75], [-64.25, -35.5], [-64.03, -34.97], [-63.5, -34.75], [-63.25, -34.85], [-63.0, -34.75], [-62.75, -34.85], [-62.5, -34.75], [-61.97, -34.97], [-61.75, -35.5], [-61.85, -35.75], [-61.75, -36.0], [-61.85, -36.25], [-61.75, -36.5], [-61.85, -36.75], [-61.75, -37.0], [-61.87, -37.3], [-61.47, -37.47], [-61.25, -38.0], [-61.35, -38.25], [-61.32, -38.32], [-61.25, -38.35], [-61.0, -38.25], [-60.5, -38.46], [-60.0, -38.25], [-59.75, -38.35], [-59.5, -38.25], [-59.25, -38.35], [-59.0, -38.25], [-58.47, -38.47], [-58.25, -39.0], [-58.35, -39.25], [-58.32, -39.32], [-57.97, -39.47], [-57.75, -40.0], [-57.97, -40.53], [-58.32, -40.68], [-58.47, -41.03], [-59.0, -41.25], [-59.25, -41.15], [-59.5, -41.25], [-60.03, -41.03], [-60.18, -40.68], [-60.53, -40.53], [-60.68, -40.18], [-60.75, -40.15], [-61.0, -40.25], [-61.53, -40.03], [-61.68, -39.68], [-61.8, -39.62], [-61.97, -40.03], [-62.5, -40.25], [-63.03, -40.03], [-63.25, -39.5], [-63.15, -39.25], [-63.18, -39.18], [-63.53, -39.03], [-63.68, -38.68], [-64.03, -38.53], [-64.25, -38.0], [-64.15, -37.75], [-64.25, -37.5], [-64.15, -37.25]]]]}, "2025-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -37.25], [-64.25, -37.0], [-64.15, -36.75], [-64.25, -36.5], [-64.15, -36.25], [-64.25, -36.0], [-64.15, -35.75], [-64.25, -35.5], [-64.03, -34.97], [-63.5, -34.75], [-63.25, -34.85], [-63.0, -34.75], [-62.75, -34.85], [-62.5, -34.75], [-61.97, -34.97], [-61.75, -35.5], [-61.85, -35.75], [-61.75, -36.0], [-61.85, -36.25], [-61.75, -36.5], [-61.85, -36.75], [-61.75, -37.0], [-61.87, -37.3], [-61.47, -37.47], [-61.25, -38.0], [-61.35, -38.25], 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entire duration", "value": 3.9298345389376506}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.92624735383913, 11.732219102647605, 12.536786553798606]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.069885508219443, 12.528253173828148, 14.994543965657556]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.80251637108381, 3.5736528460169144, 4.413334399712228]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.697218021313063, 5.023941026688192, 6.8256920500065235]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4803402368467675, 1.3996184653743733, 1.6767197997581094]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8796637174786808, 1.5829958156592023, 2.1738127540024754]}}