{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:46.270599", "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-Apr-12_to_2023-Apr-16_293.0_-7.5"}, "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": 2023040001887}, "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": "April 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 16 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58355.082660555374}, "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": -7.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-69.25, -6.5], [-69.15, -6.25], [-69.18, -6.18], [-69.53, -6.03], [-69.75, -5.5], [-69.53, -4.97], [-69.18, -4.82], [-69.03, -4.47], [-68.5, -4.25], [-67.97, -4.47], [-67.75, -5.0], [-67.85, -5.25], [-67.82, -5.32], [-67.75, -5.35], [-67.5, -5.25], [-67.25, -5.35], [-67.0, -5.25], [-66.47, -5.47], [-66.32, -5.82], [-65.97, -5.97], [-65.82, -6.32], [-65.47, -6.47], [-65.25, -7.0], [-65.47, -7.53], [-66.0, -7.75], [-66.25, -7.65], [-66.32, -7.68], [-66.47, -8.03], [-67.0, -8.25], [-67.25, -8.15], [-67.5, -8.25], [-68.03, -8.03], [-68.18, -7.68], [-68.53, -7.53], [-68.68, -7.18], [-69.03, -7.03], [-69.25, -6.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.02999999999997, -5.97], [-68.5, -5.75], [-67.97000000000003, -5.97], [-67.75, -6.5], [-67.97000000000003, -7.03], [-68.5, -7.25], [-69.02999999999997, -7.03], [-69.25, -6.5], [-69.02999999999997, -5.97]]]]}, "2023-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.52999999999997, -6.03], [-69.75, -5.5], [-69.52999999999997, -4.97], [-69.0, -4.75], [-68.75, -4.85], [-68.5, -4.75], [-67.97000000000003, -4.97], [-67.82, -5.32], [-67.47000000000003, -5.47], [-67.25, -6.0], [-67.35000000000002, -6.25], [-67.25, -6.5], [-67.02999999999997, -5.97], [-66.5, -5.75], [-65.97000000000003, -5.97], [-65.82, -6.32], [-65.47000000000003, -6.47], [-65.25, -7.0], [-65.47000000000003, -7.53], [-66.0, -7.75], [-66.25, -7.65], [-66.32, -7.68], [-66.47000000000003, -8.03], [-67.0, -8.25], [-67.25, -8.15], [-67.5, -8.25], [-68.02999999999997, -8.03], [-68.18, -7.68], [-68.52999999999997, -7.53], [-68.68, -7.18], [-69.02999999999997, -7.03], [-69.25, -6.5], [-69.14999999999998, -6.25], [-69.18, -6.18], [-69.52999999999997, -6.03]], [[-67.35000000000002, -6.75], [-67.32, -6.82], [-67.25, -6.85], [-67.18, -6.82], [-67.14999999999998, -6.75], [-67.25, -6.5], [-67.35000000000002, -6.75]]]]}, "2023-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.52999999999997, -6.03], [-69.75, -5.5], [-69.52999999999997, -4.97], [-69.18, -4.82], [-69.02999999999997, -4.47], [-68.5, -4.25], [-67.97000000000003, -4.47], [-67.75, -5.0], [-67.85000000000002, -5.25], [-67.82, -5.32], [-67.75, -5.35], [-67.5, -5.25], [-67.25, -5.35], [-67.0, -5.25], [-66.47000000000003, -5.47], [-66.32, -5.82], [-65.97000000000003, -5.97], [-65.82, -6.32], [-65.47000000000003, -6.47], [-65.25, -7.0], [-65.47000000000003, -7.53], [-66.0, -7.75], [-66.25, -7.65], [-66.32, -7.68], [-66.47000000000003, -8.03], [-67.0, -8.25], [-67.25, -8.15], [-67.5, -8.25], [-68.02999999999997, -8.03], [-68.18, -7.68], [-68.52999999999997, -7.53], [-68.68, -7.18], [-69.02999999999997, -7.03], [-69.25, -6.5], [-69.14999999999998, -6.25], [-69.18, -6.18], [-69.52999999999997, -6.03]]]]}, "2023-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.52999999999997, -6.03], [-69.75, -5.5], [-69.52999999999997, -4.97], [-69.18, -4.82], [-69.02999999999997, -4.47], [-68.5, -4.25], [-67.97000000000003, -4.47], [-67.75, -5.0], [-67.85000000000002, -5.25], [-67.82, -5.32], [-67.75, -5.35], [-67.5, -5.25], [-67.25, -5.35], [-67.0, -5.25], [-66.47000000000003, -5.47], [-66.32, -5.82], [-65.97000000000003, -5.97], [-65.82, -6.32], [-65.47000000000003, -6.47], [-65.25, -7.0], [-65.47000000000003, -7.53], [-66.0, -7.75], [-66.25, -7.65], [-66.32, -7.68], [-66.47000000000003, -8.03], [-67.0, -8.25], [-67.25, -8.15], [-67.5, -8.25], [-68.02999999999997, -8.03], [-68.18, -7.68], [-68.52999999999997, -7.53], [-68.68, -7.18], [-69.02999999999997, -7.03], [-69.25, -6.5], [-69.14999999999998, -6.25], [-69.18, -6.18], [-69.52999999999997, -6.03]]]]}, "2023-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.25, -5.0], [-69.02999999999997, -4.47], [-68.5, -4.25], [-67.97000000000003, -4.47], [-67.75, -5.0], [-67.85000000000002, -5.25], [-67.82, -5.32], [-67.75, -5.35], [-67.5, -5.25], [-67.25, -5.35], [-67.0, -5.25], [-66.47000000000003, -5.47], [-66.32, -5.82], [-65.97000000000003, -5.97], [-65.82, -6.32], [-65.47000000000003, -6.47], [-65.25, -7.0], [-65.47000000000003, -7.53], [-66.0, -7.75], [-66.25, -7.65], [-66.32, -7.68], [-66.47000000000003, -8.03], [-67.0, -8.25], [-67.25, -8.15], [-67.5, -8.25], [-68.02999999999997, -8.03], [-68.25, -7.5], [-68.14999999999998, -7.25], [-68.18, -7.18], [-68.52999999999997, -7.03], [-68.75, -6.5], [-68.64999999999998, -6.25], [-68.68, -6.18], [-69.02999999999997, -6.03], [-69.25, -5.5], [-69.14999999999998, -5.25], [-69.25, -5.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9767000350522608}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3608256330325013}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.864404580446546, 26.894549973707228, 26.951738062104482, 26.99856765342895, 26.856824605492193]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.864404580446546, 27.13818324781772, 27.48304261417769, 27.45443337018628, 27.15366763245214]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1073976877934228, 1.2763554570404239, 1.3636767078329692, 1.46861196825367, 1.3051562508146959]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1073976877934228, 1.4833019236046425, 1.897061513713595, 1.9767000350522608, 1.6710154058555418]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3260251136164605, 1.5967623663795283, 1.6722601087148778, 1.6934208815588265, 1.465726296456933]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3260251136164605, 1.8189128436623243, 2.2997938295676112, 2.216855413676397, 1.820451598227707]}}