{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:37:01.551254", "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": "2023-Nov-05_to_2023-Nov-07_297.5_-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": 2023110001044}, "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": "November 05 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 07 2023"}, "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": 52830.10053729807}, "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"]}, "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": 297.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -40.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -38.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -37.97], [-64.0, -37.75], [-63.75, -37.85], [-63.5, -37.75], [-63.25, -37.85], [-63.0, -37.75], [-62.75, -37.85], [-62.5, -37.75], [-62.25, -37.85], [-62.0, -37.75], [-61.75, -37.85], [-61.5, -37.75], [-61.25, -37.85], [-61.0, -37.75], [-60.47, -37.97], [-60.32, -38.32], [-60.25, -38.35], [-60.0, -38.25], [-59.47, -38.47], [-59.25, -39.0], [-59.47, -39.53], [-60.0, -39.75], [-60.25, -39.65], [-60.5, -39.75], [-60.75, -39.65], [-61.0, -39.75], [-61.25, -39.65], [-61.32, -39.68], [-61.47, -40.03], [-61.82, -40.18], [-61.97, -40.53], [-62.5, -40.75], [-62.75, -40.65], [-63.0, -40.75], [-63.53, -40.53], [-63.68, -40.18], [-64.03, -40.03], [-64.18, -39.68], [-64.53, -39.53], [-64.75, -39.0], [-64.65, -38.75], [-64.75, -38.5], [-64.53, -37.97]]]]}, "2023-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -37.97], [-64.0, -37.75], [-63.75, -37.85], [-63.5, -37.75], [-63.25, -37.85], [-63.0, -37.75], [-62.75, -37.85], [-62.5, -37.75], [-62.25, -37.85], [-62.0, -37.75], [-61.75, -37.85], [-61.5, -37.75], [-61.25, -37.85], [-61.0, -37.75], [-60.47, -37.97], [-60.32, -38.32], [-60.25, -38.35], [-60.0, -38.25], [-59.47, -38.47], [-59.25, -39.0], [-59.47, -39.53], [-60.0, -39.75], [-60.25, -39.65], [-60.5, -39.75], [-60.75, -39.65], [-61.0, -39.75], [-61.25, -39.65], [-61.32, -39.68], [-61.47, -40.03], [-61.82, -40.18], [-61.97, -40.53], [-62.5, -40.75], [-62.75, -40.65], [-63.0, -40.75], [-63.53, -40.53], [-63.68, -40.18], [-64.03, -40.03], [-64.18, -39.68], [-64.53, -39.53], [-64.75, -39.0], [-64.65, -38.75], [-64.75, -38.5], [-64.53, -37.97]]]]}, "2023-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -37.97], [-64.0, -37.75], [-63.75, -37.85], [-63.5, -37.75], [-63.25, -37.85], [-63.0, -37.75], [-62.75, -37.85], [-62.5, -37.75], [-62.25, -37.85], [-62.0, -37.75], [-61.75, -37.85], [-61.5, -37.75], [-61.25, -37.85], [-61.0, -37.75], [-60.47, -37.97], [-60.32, -38.32], [-60.25, -38.35], [-60.0, -38.25], [-59.47, -38.47], [-59.25, -39.0], [-59.47, -39.53], [-60.0, -39.75], [-60.25, -39.65], [-60.5, -39.75], [-60.75, -39.65], [-61.0, -39.75], [-61.25, -39.65], [-61.32, -39.68], [-61.47, -40.03], [-61.82, -40.18], [-61.97, -40.53], [-62.5, -40.75], [-62.75, -40.65], [-63.0, -40.75], [-63.53, -40.53], [-63.68, -40.18], [-64.03, -40.03], [-64.18, -39.68], [-64.53, -39.53], [-64.75, -39.0], [-64.65, -38.75], [-64.75, -38.5], [-64.53, -37.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.644585168853382}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.032131824271814}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.68312569021907, 22.719204453796806, 21.642088400302555]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.575847209889446, 24.244846500513916, 23.069771448132826]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.904158788130456, 5.747301757664858, 4.444934927020127]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.459621952779116, 6.644585168853382, 5.125173832880989]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6415573985053171, 1.9337362241237004, 1.4629270605378444]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.948353751322284, 2.3025239524520287, 1.6652978302472725]}}