{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:10.284439", "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": "2021-Jun-04_to_2021-Jun-07_297.5_1.5"}, "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": 2021060001597}, "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 04 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2021"}, "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": "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": 55630.69269203798}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 1.5}, "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": 297.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.03, 1.03], [-64.68, 1.18], [-64.65, 1.25], [-64.75, 1.5], [-64.53, 2.03], [-64.18, 2.18], [-64.03, 2.53], [-63.5, 2.75], [-62.97, 2.53], [-62.82, 2.18], [-62.75, 2.15], [-62.5, 2.25], [-61.97, 2.03], [-61.75, 1.5], [-61.85, 1.25], [-61.75, 1.0], [-61.97, 0.47], [-62.32, 0.32], [-62.46, 0.0], [-62.25, -0.5], [-62.47, -1.03], [-63.0, -1.25], [-63.5, -1.04], [-64.0, -1.25], [-64.53, -1.03], [-64.68, -0.68], [-65.03, -0.53], [-65.25, 0.0], [-65.15, 0.25], [-65.25, 0.5], [-65.03, 1.03]]]]}, "2021-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.03, 1.03], [-64.68, 1.18], [-64.65, 1.25], [-64.75, 1.5], [-64.53, 2.03], [-64.18, 2.18], [-64.03, 2.53], [-63.5, 2.75], [-62.97, 2.53], [-62.82, 2.18], [-62.75, 2.15], [-62.5, 2.25], [-61.97, 2.03], [-61.75, 1.5], [-61.85, 1.25], [-61.75, 1.0], [-61.97, 0.47], [-62.32, 0.32], [-62.46, 0.0], [-62.25, -0.5], [-62.47, -1.03], [-63.0, -1.25], [-63.5, -1.04], [-64.0, -1.25], [-64.53, -1.03], [-64.68, -0.68], [-65.03, -0.53], [-65.25, 0.0], [-65.15, 0.25], [-65.25, 0.5], [-65.03, 1.03]]]]}, "2021-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.03, 1.03], [-64.68, 1.18], [-64.65, 1.25], [-64.75, 1.5], [-64.53, 2.03], [-64.18, 2.18], [-64.03, 2.53], [-63.5, 2.75], [-62.97, 2.53], [-62.82, 2.18], [-62.75, 2.15], [-62.5, 2.25], [-61.97, 2.03], [-61.75, 1.5], [-61.85, 1.25], [-61.75, 1.0], [-61.97, 0.47], [-62.32, 0.32], [-62.46, 0.0], [-62.25, -0.5], [-62.47, -1.03], [-63.0, -1.25], [-63.5, -1.04], [-64.0, -1.25], [-64.53, -1.03], [-64.68, -0.68], [-65.03, -0.53], [-65.25, 0.0], [-65.15, 0.25], [-65.25, 0.5], [-65.03, 1.03]]]]}, "2021-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.03, 1.47], [-64.25, 2.0], [-64.03, 2.53], [-63.5, 2.75], [-62.97, 2.53], [-62.8, 2.12], [-62.5, 2.25], [-61.97, 2.03], [-61.75, 1.5], [-61.97, 0.97], [-62.5, 0.75], [-63.03, 0.97], [-63.2, 1.38], [-63.5, 1.25], [-64.03, 1.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9877921050927512}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3463822881969432}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.14499390561241, 25.972341634164934, 26.411802811709663, 25.120998073095222]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.178694162867487, 26.655492216227685, 26.987107335822486, 25.935430410605875]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3071244531648207, 1.150533839214006, 1.614086559608018, 1.0530004016328007]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6304289071269977, 1.568711456668666, 1.9877921050927512, 1.1369848089125867]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8694708708227035, 1.6452572888720416, 2.2977273228932056, 1.4670085263387171]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2961321778415096, 2.2983545313430147, 2.9249587283587974, 1.5283271201765445]}}