{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:41.368322", "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-Mar-14_to_2023-Mar-16_295.5_-40.0"}, "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": 2023030001835}, "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": "March 14 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 16 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": 61540.66593927423}, "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": -40.0}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.25}, "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": -38.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -39.5], [-68.03, -38.97], [-67.5, -38.75], [-67.25, -38.85], [-67.12, -38.8], [-67.25, -38.5], [-67.03, -37.97], [-66.5, -37.75], [-66.25, -37.85], [-66.0, -37.75], [-65.47, -37.97], [-65.32, -38.32], [-65.25, -38.35], [-65.0, -38.25], [-64.47, -38.47], [-64.32, -38.82], [-63.97, -38.97], [-63.75, -39.5], [-63.85, -39.75], [-63.75, -40.0], [-63.93, -40.43], [-63.5, -40.25], [-62.97, -40.47], [-62.82, -40.82], [-62.47, -40.97], [-62.25, -41.5], [-62.47, -42.03], [-63.0, -42.25], [-63.25, -42.15], [-63.5, -42.25], [-63.75, -42.15], [-64.0, -42.25], [-64.25, -42.15], [-64.5, -42.25], [-65.03, -42.03], [-65.25, -41.5], [-65.15, -41.25], [-65.18, -41.18], [-65.25, -41.15], [-65.5, -41.25], [-65.75, -41.15], [-66.0, -41.25], [-66.53, -41.03], [-66.68, -40.68], [-66.75, -40.65], [-67.0, -40.75], [-67.53, -40.53], [-67.68, -40.18], [-68.03, -40.03], [-68.25, -39.5]]]]}, "2023-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -39.5], [-68.03, -38.97], [-67.5, -38.75], [-67.25, -38.85], [-67.12, -38.8], [-67.25, -38.5], [-67.03, -37.97], [-66.5, -37.75], [-66.25, -37.85], [-66.0, -37.75], [-65.47, -37.97], [-65.32, -38.32], [-65.25, -38.35], [-65.0, -38.25], [-64.47, -38.47], [-64.32, -38.82], [-63.97, -38.97], [-63.75, -39.5], [-63.85, -39.75], [-63.75, -40.0], [-63.93, -40.43], [-63.5, -40.25], [-62.97, -40.47], [-62.82, -40.82], [-62.47, -40.97], [-62.25, -41.5], [-62.47, -42.03], [-63.0, -42.25], [-63.25, -42.15], [-63.5, -42.25], [-63.75, -42.15], [-64.0, -42.25], [-64.25, -42.15], [-64.5, -42.25], [-65.03, -42.03], [-65.25, -41.5], [-65.15, -41.25], [-65.18, -41.18], [-65.25, -41.15], [-65.5, -41.25], [-65.75, -41.15], [-66.0, -41.25], [-66.53, -41.03], [-66.68, -40.68], [-66.75, -40.65], [-67.0, -40.75], [-67.53, -40.53], [-67.68, -40.18], [-68.03, -40.03], [-68.25, -39.5]]]]}, "2023-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -39.5], [-68.03, -38.97], [-67.5, -38.75], [-67.25, -38.85], [-67.12, -38.8], [-67.25, -38.5], [-67.03, -37.97], [-66.5, -37.75], [-66.25, -37.85], [-66.0, -37.75], [-65.47, -37.97], [-65.32, -38.32], [-65.25, -38.35], [-65.0, -38.25], [-64.47, -38.47], [-64.32, -38.82], [-63.97, -38.97], [-63.75, -39.5], [-63.85, -39.75], [-63.75, -40.0], [-63.93, -40.43], [-63.5, -40.25], [-62.97, -40.47], [-62.82, -40.82], [-62.47, -40.97], [-62.25, -41.5], [-62.47, -42.03], [-63.0, -42.25], [-63.25, -42.15], [-63.5, -42.25], [-63.75, -42.15], [-64.0, -42.25], [-64.25, -42.15], [-64.5, -42.25], [-65.03, -42.03], [-65.25, -41.5], [-65.15, -41.25], [-65.18, -41.18], [-65.25, -41.15], [-65.5, -41.25], [-65.75, -41.15], [-66.0, -41.25], [-66.53, -41.03], [-66.68, -40.68], [-66.75, -40.65], [-67.0, -40.75], [-67.53, -40.53], [-67.68, -40.18], [-68.03, -40.03], [-68.25, -39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.807488388889567}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.641060724734357}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.54704153216568, 24.40185466229576, 23.627910977857766]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.540849221220412, 26.63558505522832, 25.247200576655132]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.841922709811841, 4.836770739314445, 4.2444887250767875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.526638399983938, 6.807488388889567, 5.264193983396069]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6467604449545101, 1.6723859813954904, 1.4588755842688705]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.121675546346888, 2.0699901369178884, 1.6899338933933483]}}