{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:02.156843", "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-Nov-19_to_2025-Nov-24_298.0_-10.5"}, "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": 2025110002019}, "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 19 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 24 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 57829.72281191168}, "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": -10.5}, "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": 298.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-62.0, -11.75], [-62.25, -11.65], [-62.5, -11.75], [-63.03, -11.53], [-63.25, -11.0], [-63.15, -10.75], [-63.25, -10.5], [-63.03, -9.97], [-62.5, -9.75], [-62.25, -9.85], [-62.18, -9.82], [-62.04, -9.5], [-62.25, -9.0], [-62.03, -8.47], [-61.5, -8.25], [-61.0, -8.46], [-60.5, -8.25], [-60.25, -8.35], [-60.0, -8.25], [-59.47, -8.47], [-59.32, -8.82], [-58.97, -8.97], [-58.75, -9.5], [-58.97, -10.03], [-59.32, -10.18], [-59.47, -10.53], [-59.82, -10.68], [-59.97, -11.03], [-60.5, -11.25], [-60.75, -11.15], [-60.82, -11.18], [-60.97, -11.53], [-61.5, -11.75], [-61.75, -11.65], [-62.0, -11.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.02999999999997, -11.03], [-63.25, -10.5], [-63.02999999999997, -9.97], [-62.5, -9.75], [-62.25, -9.85], [-62.18000000000001, -9.82], [-62.04000000000002, -9.5], [-62.25, -9.0], [-62.02999999999997, -8.47], [-61.5, -8.25], [-61.0, -8.46], [-60.5, -8.25], [-60.25, -8.35], [-60.0, -8.25], [-59.47000000000003, -8.47], [-59.31999999999999, -8.82], [-58.97000000000003, -8.97], [-58.75, -9.5], [-58.97000000000003, -10.03], [-59.31999999999999, -10.18], [-59.47000000000003, -10.53], [-59.81999999999999, -10.68], [-59.97000000000003, -11.03], [-60.5, -11.25], [-60.75, -11.15], [-60.81999999999999, -11.18], [-60.97000000000003, -11.53], [-61.5, -11.75], [-61.75, -11.65], [-62.0, -11.75], [-62.52999999999997, -11.53], [-62.68000000000001, -11.18], [-63.02999999999997, -11.03]]]]}, "2025-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.02999999999997, -11.03], [-63.25, -10.5], [-63.02999999999997, -9.97], [-62.5, -9.75], [-62.25, -9.85], [-62.18000000000001, -9.82], [-62.04000000000002, -9.5], [-62.25, -9.0], [-62.02999999999997, -8.47], [-61.5, -8.25], [-61.0, -8.46], [-60.5, -8.25], [-60.25, -8.35], [-60.0, -8.25], [-59.47000000000003, -8.47], [-59.31999999999999, -8.82], [-58.97000000000003, -8.97], [-58.75, -9.5], [-58.97000000000003, -10.03], [-59.31999999999999, -10.18], [-59.47000000000003, -10.53], [-59.81999999999999, -10.68], [-59.97000000000003, -11.03], [-60.5, -11.25], [-60.75, -11.15], [-60.81999999999999, -11.18], [-60.97000000000003, -11.53], [-61.5, -11.75], [-61.75, -11.65], [-62.0, -11.75], [-62.52999999999997, -11.53], [-62.68000000000001, -11.18], [-63.02999999999997, -11.03]]]]}, "2025-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.25, -10.5], [-63.02999999999997, -9.97], [-62.5, -9.75], [-62.25, -9.85], [-62.18000000000001, -9.82], [-62.04000000000002, -9.5], [-62.25, -9.0], [-62.02999999999997, -8.47], [-61.5, -8.25], [-61.0, -8.46], [-60.5, -8.25], [-60.25, -8.35], [-60.0, -8.25], [-59.47000000000003, -8.47], [-59.31999999999999, -8.82], [-58.97000000000003, -8.97], [-58.75, -9.5], [-58.97000000000003, -10.03], [-59.31999999999999, -10.18], [-59.47000000000003, -10.53], [-59.81999999999999, -10.68], [-59.97000000000003, -11.03], [-60.5, -11.25], [-60.75, -11.15], [-60.81999999999999, -11.18], [-60.97000000000003, -11.53], [-61.5, -11.75], [-61.75, -11.65], [-62.0, -11.75], [-62.25, -11.65], [-62.5, -11.75], [-63.02999999999997, -11.53], [-63.25, -11.0], [-63.14999999999998, -10.75], [-63.25, -10.5]]]]}, "2025-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.25, -10.5], [-63.02999999999997, -9.97], [-62.5, -9.75], [-62.25, -9.85], [-62.18000000000001, -9.82], [-62.02999999999997, -9.47], [-61.68000000000001, -9.32], [-61.52999999999997, -8.97], [-61.18000000000001, -8.82], [-61.02999999999997, -8.47], [-60.5, -8.25], [-60.25, -8.35], [-60.0, -8.25], [-59.47000000000003, -8.47], [-59.25, -9.0], [-59.35000000000002, -9.25], [-59.25, -9.5], [-59.47000000000003, -10.03], [-59.81999999999999, -10.18], [-59.85000000000002, -10.25], [-59.75, -10.5], [-59.97000000000003, -11.03], [-60.5, -11.25], [-60.75, -11.15], [-61.0, -11.25], [-61.25, -11.15], [-61.31999999999999, -11.18], [-61.47000000000003, -11.53], [-62.0, -11.75], [-62.25, -11.65], [-62.5, -11.75], [-63.02999999999997, -11.53], [-63.25, -11.0], [-63.14999999999998, -10.75], [-63.25, -10.5]]]]}, "2025-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.52999999999997, -9.97], [-62.0, -9.75], [-61.47000000000003, -9.97], [-61.25, -10.5], [-61.35000000000002, -10.75], [-61.25, -11.0], [-61.47000000000003, -11.53], [-62.0, -11.75], [-62.25, -11.65], [-62.5, -11.75], [-63.02999999999997, -11.53], [-63.25, -11.0], [-63.02999999999997, -10.47], [-62.68000000000001, -10.32], [-62.52999999999997, -9.97]]]]}, "2025-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.52999999999997, -9.97], [-62.0, -9.75], [-61.47000000000003, -9.97], [-61.25, -10.5], [-61.35000000000002, -10.75], [-61.25, -11.0], [-61.47000000000003, -11.53], [-62.0, -11.75], [-62.25, -11.65], [-62.5, -11.75], [-63.02999999999997, -11.53], [-63.25, -11.0], [-63.02999999999997, -10.47], [-62.68000000000001, -10.32], [-62.52999999999997, -9.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.182093750606043}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5951975831447422}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.32709316677517, 27.216698371039513, 27.0756200690019, 27.093001471625485, 27.27397520277242, 27.607371690538173]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.6995839436849, 27.665401713053427, 27.51301727294924, 27.68841705322268, 27.444168345133505, 27.88989664713546]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6950399845789927, 1.6192971685351583, 1.504396724353213, 1.5143742277034713, 1.5359563112870471, 1.8899758169404777]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.182093750606043, 1.9380650095432657, 1.7758238777259976, 1.86933006093642, 1.7076237381637043, 2.0751310816448267]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7938541337057936, 1.711027367176092, 1.6006774636917642, 1.5944963576706075, 1.5578499863523032, 1.8920973910762633]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.210576431914936, 2.1134711645020894, 1.8175745283357083, 2.0261526028771195, 1.6561676109021526, 2.0840250500951023]}}