{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:15.759185", "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": "2024-Jun-16_to_2024-Jun-19_311.0_-11.5"}, "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": 2024060000482}, "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 16 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 19 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 144557.91072816553}, "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": ["Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -11.5}, "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": 311.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 309.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-50.75, -12.35], [-50.68, -12.32], [-50.65, -12.25], [-50.75, -12.0], [-50.65, -11.75], [-50.75, -11.5], [-50.53, -10.97], [-50.18, -10.82], [-50.03, -10.47], [-49.62, -10.3], [-49.75, -10.0], [-49.53, -9.47], [-49.0, -9.25], [-48.47, -9.47], [-48.32, -9.82], [-47.97, -9.97], [-47.82, -10.32], [-47.47, -10.47], [-47.25, -11.0], [-47.35, -11.25], [-47.25, -11.5], [-47.35, -11.75], [-47.25, -12.0], [-47.35, -12.25], [-47.25, -12.5], [-47.35, -12.75], [-47.25, -13.0], [-47.35, -13.25], [-47.25, -13.5], [-47.47, -14.03], [-47.87, -14.2], [-47.75, -14.5], [-47.85, -14.75], [-47.75, -15.0], [-47.85, -15.25], [-47.75, -15.5], [-47.97, -16.03], [-48.5, -16.25], [-49.03, -16.03], [-49.18, -15.68], [-49.3, -15.62], [-49.47, -16.03], [-50.0, -16.25], [-50.53, -16.03], [-50.75, -15.5], [-50.65, -15.25], [-50.68, -15.18], [-51.03, -15.03], [-51.25, -14.5], [-51.15, -14.25], [-51.18, -14.18], [-51.53, -14.03], [-51.75, -13.5], [-51.65, -13.25], [-51.75, -13.0], [-51.53, -12.47], [-51.0, -12.25], [-50.75, -12.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.75, -11.5], [-50.52999999999997, -10.97], [-50.18000000000001, -10.82], [-50.02999999999997, -10.47], [-49.620000000000005, -10.3], [-49.75, -10.0], [-49.52999999999997, -9.47], [-49.0, -9.25], [-48.47000000000003, -9.47], [-48.31999999999999, -9.82], [-47.97000000000003, -9.97], [-47.81999999999999, -10.32], [-47.47000000000003, -10.47], [-47.25, -11.0], [-47.35000000000002, -11.25], [-47.25, -11.5], [-47.35000000000002, -11.75], [-47.25, -12.0], [-47.35000000000002, -12.25], [-47.25, -12.5], [-47.35000000000002, -12.75], [-47.25, -13.0], [-47.35000000000002, -13.25], [-47.25, -13.5], [-47.47000000000003, -14.03], [-47.870000000000005, -14.2], [-47.75, -14.5], [-47.85000000000002, -14.75], [-47.75, -15.0], 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-1.5088834607463344]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.879218183391174, -2.5864126931555234, -2.1519556711319865, -1.8542878042668463]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.568232793637886, -2.2201701092613053, -1.7399638727533366, -1.6087073950491677]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8454336215289378, -2.8594449313785746, -2.303541675808569, -1.9918746255504292]}}