{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:55:53.176391", "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-Jun-02_to_2025-Jun-04_292.0_-38.5"}, "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": 2025060001223}, "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": "June 02 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 04 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": 69162.6759523156}, "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", "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": []}, "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": -38.5}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -41.25}, "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": {"2025-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, -40.53], [-71.25, -40.0], [-71.03, -39.47], [-70.5, -39.25], [-70.25, -39.35], [-70.12, -39.3], [-70.25, -39.0], [-70.03, -38.47], [-69.5, -38.25], [-69.25, -38.35], [-69.18, -38.32], [-69.15, -38.25], [-69.25, -38.0], [-69.03, -37.47], [-68.5, -37.25], [-68.25, -37.35], [-68.0, -37.25], [-67.47, -37.47], [-67.25, -38.0], [-67.35, -38.25], [-67.3, -38.38], [-67.18, -38.32], [-67.03, -37.97], [-66.5, -37.75], [-65.97, -37.97], [-65.82, -38.32], [-65.75, -38.35], [-65.5, -38.25], [-64.97, -38.47], [-64.75, -39.0], [-64.97, -39.53], [-65.32, -39.68], [-65.47, -40.03], [-66.0, -40.25], [-66.25, -40.15], [-66.32, -40.18], [-66.47, -40.53], [-66.82, -40.68], [-66.97, -41.03], [-67.5, -41.25], [-67.75, -41.15], [-68.0, -41.25], [-68.25, -41.15], [-68.5, -41.25], [-68.75, -41.15], [-68.82, -41.18], [-68.97, -41.53], [-69.5, -41.75], [-70.03, -41.53], [-70.25, -41.0], [-70.15, -40.75], [-70.18, -40.68], [-70.25, -40.65], [-70.5, -40.75], [-71.03, -40.53]]]]}, "2025-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, -40.53], [-71.25, -40.0], [-71.03, -39.47], [-70.5, -39.25], [-70.25, -39.35], [-70.12, -39.3], [-70.25, -39.0], [-70.03, -38.47], [-69.5, -38.25], [-69.25, -38.35], [-69.18, -38.32], [-69.15, -38.25], [-69.25, -38.0], [-69.03, -37.47], [-68.5, -37.25], [-68.25, -37.35], [-68.0, -37.25], [-67.47, -37.47], [-67.25, -38.0], [-67.35, -38.25], [-67.3, -38.38], [-67.18, -38.32], [-67.03, -37.97], [-66.5, -37.75], [-65.97, -37.97], [-65.82, -38.32], [-65.75, -38.35], [-65.5, -38.25], [-64.97, -38.47], [-64.75, -39.0], [-64.97, -39.53], [-65.32, -39.68], [-65.47, -40.03], [-66.0, -40.25], [-66.25, -40.15], [-66.32, -40.18], [-66.47, -40.53], [-66.82, -40.68], [-66.97, -41.03], [-67.5, -41.25], [-67.75, -41.15], [-68.0, -41.25], [-68.25, -41.15], [-68.5, -41.25], [-68.75, -41.15], [-68.82, -41.18], [-68.97, -41.53], [-69.5, -41.75], [-70.03, -41.53], [-70.25, -41.0], [-70.15, -40.75], [-70.18, -40.68], [-70.25, -40.65], [-70.5, -40.75], [-71.03, -40.53]]]]}, "2025-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, -40.53], [-71.25, -40.0], [-71.03, -39.47], [-70.5, -39.25], [-70.25, -39.35], [-70.12, -39.3], [-70.25, -39.0], [-70.03, -38.47], [-69.5, -38.25], [-69.25, -38.35], [-69.18, -38.32], [-69.15, -38.25], [-69.25, -38.0], [-69.03, -37.47], [-68.5, -37.25], [-68.25, -37.35], [-68.0, -37.25], [-67.47, -37.47], [-67.25, -38.0], [-67.35, -38.25], [-67.3, -38.38], [-67.18, -38.32], [-67.03, -37.97], [-66.5, -37.75], [-65.97, -37.97], [-65.82, -38.32], [-65.75, -38.35], [-65.5, -38.25], [-64.97, -38.47], [-64.75, -39.0], [-64.97, -39.53], [-65.32, -39.68], [-65.47, -40.03], [-66.0, -40.25], [-66.25, -40.15], [-66.32, -40.18], [-66.47, -40.53], [-66.82, -40.68], [-66.97, -41.03], [-67.5, -41.25], [-67.75, -41.15], [-68.0, -41.25], [-68.25, -41.15], [-68.5, -41.25], [-68.75, -41.15], [-68.82, -41.18], [-68.97, -41.53], [-69.5, -41.75], [-70.03, -41.53], [-70.25, -41.0], [-70.15, -40.75], [-70.18, -40.68], [-70.25, -40.65], [-70.5, -40.75], [-71.03, -40.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.68383834964186}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.702307648230795}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.958386861866927, 10.90019795209514, 11.425996223537481]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.276951090494833, 13.061299896240257, 14.687282816569052]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.495345686544873, 4.52315167227251, 5.088425585875002]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.762619256480434, 5.526688289272045, 6.68383834964186]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.432061454601302, 1.4257327954450032, 1.6122590451697676]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8848583251020794, 1.643929942103196, 2.1203412938548207]}}