{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:43:55.225048", "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": "2010-Jan-03_to_2010-Jan-05_299.5_-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": 2010010001344}, "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": "January 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2010"}, "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": 126537.04778684041}, "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": 299.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 304.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -41.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.25, -39.5], [-63.03, -38.97], [-62.68, -38.82], [-62.53, -38.47], [-62.18, -38.32], [-62.03, -37.97], [-61.5, -37.75], [-61.25, -37.85], [-61.0, -37.75], [-60.75, -37.85], [-60.5, -37.75], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.68, -37.82], [-59.53, -37.47], [-59.0, -37.25], [-58.75, -37.35], [-58.5, -37.25], [-58.25, -37.35], [-58.0, -37.25], [-57.47, -37.47], [-57.32, -37.82], [-57.25, -37.85], [-57.0, -37.75], [-56.47, -37.97], [-56.25, -38.5], [-56.35, -38.75], [-56.32, -38.82], [-56.25, -38.85], [-56.0, -38.75], [-55.47, -38.97], [-55.25, -39.5], [-55.35, -39.75], [-55.25, -40.0], [-55.47, -40.53], [-56.0, -40.75], [-56.5, -40.54], [-57.0, -40.75], [-57.25, -40.65], [-57.5, -40.75], [-57.75, -40.65], [-58.0, -40.75], [-58.53, -40.53], [-58.68, -40.18], [-58.75, -40.15], [-58.82, -40.18], [-58.97, -40.53], [-59.32, -40.68], [-59.35, -40.75], [-59.25, -41.0], [-59.47, -41.53], [-59.82, -41.68], [-59.97, -42.03], [-60.5, -42.25], [-61.03, -42.03], [-61.18, -41.68], [-61.53, -41.53], [-61.68, -41.18], [-62.03, -41.03], [-62.18, -40.68], [-62.53, -40.53], [-62.68, -40.18], [-63.03, -40.03], [-63.25, -39.5]]]]}, "2010-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.25, -39.5], [-63.03, -38.97], [-62.68, -38.82], [-62.53, -38.47], [-62.18, -38.32], [-62.03, -37.97], [-61.5, -37.75], [-61.25, -37.85], [-61.0, -37.75], [-60.75, -37.85], [-60.5, -37.75], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.68, -37.82], [-59.53, -37.47], [-59.0, -37.25], [-58.75, -37.35], [-58.5, -37.25], [-58.25, -37.35], [-58.0, -37.25], [-57.47, -37.47], [-57.32, -37.82], [-57.25, -37.85], [-57.0, -37.75], [-56.47, -37.97], [-56.25, -38.5], [-56.35, -38.75], [-56.32, -38.82], [-56.25, -38.85], [-56.0, -38.75], [-55.47, -38.97], [-55.25, -39.5], [-55.35, -39.75], [-55.25, -40.0], [-55.47, -40.53], [-56.0, -40.75], [-56.5, -40.54], [-57.0, -40.75], [-57.25, -40.65], [-57.5, -40.75], [-57.75, -40.65], [-58.0, -40.75], [-58.53, -40.53], [-58.68, -40.18], [-58.75, -40.15], [-58.82, -40.18], [-58.97, -40.53], [-59.32, -40.68], [-59.35, -40.75], [-59.25, -41.0], [-59.47, -41.53], [-59.82, -41.68], [-59.97, -42.03], [-60.5, -42.25], [-61.03, -42.03], [-61.18, -41.68], [-61.53, -41.53], [-61.68, -41.18], [-62.03, -41.03], [-62.18, -40.68], [-62.53, -40.53], [-62.68, -40.18], [-63.03, -40.03], [-63.25, -39.5]]]]}, "2010-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.25, -39.5], [-63.03, -38.97], [-62.68, -38.82], [-62.53, -38.47], [-62.18, -38.32], [-62.03, -37.97], [-61.5, -37.75], [-61.25, -37.85], [-61.0, -37.75], [-60.75, -37.85], [-60.5, -37.75], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.68, -37.82], [-59.53, -37.47], [-59.0, -37.25], [-58.75, -37.35], [-58.5, -37.25], [-58.25, -37.35], [-58.0, -37.25], [-57.47, -37.47], [-57.32, -37.82], [-57.25, -37.85], [-57.0, -37.75], [-56.47, -37.97], [-56.25, -38.5], [-56.35, -38.75], [-56.32, -38.82], [-56.25, -38.85], [-56.0, -38.75], [-55.47, -38.97], [-55.25, -39.5], [-55.35, -39.75], [-55.25, -40.0], [-55.47, -40.53], [-56.0, -40.75], [-56.5, -40.54], [-57.0, -40.75], [-57.25, -40.65], [-57.5, -40.75], [-57.75, -40.65], [-58.0, -40.75], [-58.53, -40.53], [-58.68, -40.18], [-58.75, -40.15], [-58.82, -40.18], [-58.97, -40.53], [-59.32, -40.68], [-59.35, -40.75], [-59.25, -41.0], [-59.47, -41.53], [-59.82, -41.68], [-59.97, -42.03], [-60.5, -42.25], [-61.03, -42.03], [-61.18, -41.68], [-61.53, -41.53], [-61.68, -41.18], [-62.03, -41.03], [-62.18, -40.68], [-62.53, -40.53], [-62.68, -40.18], [-63.03, -40.03], [-63.25, -39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.820076739962417}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4493936831828}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.653633189315826, 22.57293419773896, 22.93005378160882]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.848356407940628, 28.484349557151518, 28.377903689557854]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.509173215418338, 3.302903041887633, 3.5361047922424285]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.820076739962417, 5.2771484604645025, 5.737649029969077]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5087778437465609, 1.5907989661348405, 1.7678741027230904]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7654560452337118, 1.8701575391565208, 2.1404587043266754]}}