{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:33.927883", "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-Sep-16_to_2023-Sep-19_295.0_-11.0"}, "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": 2023090001475}, "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": "September 16 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 19 2023"}, "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": 51416.92313861838}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -11.0}, "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": 295.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.53, -11.53], [-66.75, -11.0], [-66.53, -10.47], [-66.0, -10.25], [-65.75, -10.35], [-65.68, -10.32], [-65.53, -9.97], [-65.0, -9.75], [-64.47, -9.97], [-64.32, -10.32], [-63.97, -10.47], [-63.82, -10.82], [-63.47, -10.97], [-63.25, -11.5], [-63.35, -11.75], [-63.32, -11.82], [-62.97, -11.97], [-62.75, -12.5], [-62.85, -12.75], [-62.82, -12.82], [-62.47, -12.97], [-62.25, -13.5], [-62.47, -14.03], [-63.0, -14.25], [-63.53, -14.03], [-63.68, -13.68], [-63.75, -13.65], [-64.0, -13.75], [-64.53, -13.53], [-64.68, -13.18], [-65.03, -13.03], [-65.25, -12.5], [-65.15, -12.25], [-65.18, -12.18], [-65.53, -12.03], [-65.68, -11.68], [-65.75, -11.65], [-66.0, -11.75], [-66.53, -11.53]]]]}, "2023-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -11.0], [-66.53, -10.47], [-66.0, -10.25], [-65.75, -10.35], [-65.68, -10.32], [-65.53, -9.97], [-65.0, -9.75], [-64.47, -9.97], [-64.32, -10.32], [-63.97, -10.47], [-63.82, -10.82], [-63.47, -10.97], [-63.25, -11.5], [-63.35, -11.75], [-63.32, -11.82], [-62.97, -11.97], [-62.75, -12.5], [-62.85, -12.75], [-62.82, -12.82], [-62.47, -12.97], [-62.25, -13.5], [-62.47, -14.03], [-63.0, -14.25], [-63.53, -14.03], [-63.68, -13.68], [-63.75, -13.65], [-64.0, -13.75], [-64.53, -13.53], [-64.68, -13.18], [-65.03, -13.03], [-65.2, -12.62], [-65.5, -12.75], [-66.03, -12.53], [-66.25, -12.0], [-66.12, -11.7], [-66.53, -11.53], [-66.75, -11.0]]]]}, "2023-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -11.0], [-66.53, -10.47], [-66.0, -10.25], [-65.75, -10.35], [-65.68, -10.32], [-65.53, -9.97], [-65.0, -9.75], [-64.47, -9.97], [-64.32, -10.32], [-63.97, -10.47], [-63.82, -10.82], [-63.47, -10.97], [-63.25, -11.5], [-63.35, -11.75], [-63.32, -11.82], [-62.97, -11.97], [-62.75, -12.5], [-62.85, -12.75], [-62.82, -12.82], [-62.47, -12.97], [-62.25, -13.5], [-62.47, -14.03], [-63.0, -14.25], [-63.53, -14.03], [-63.68, -13.68], [-63.75, -13.65], [-64.0, -13.75], [-64.53, -13.53], [-64.68, -13.18], [-65.03, -13.03], [-65.2, -12.62], [-65.5, -12.75], [-66.03, -12.53], [-66.25, -12.0], [-66.12, -11.7], [-66.53, -11.53], [-66.75, -11.0]]]]}, "2023-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.53, -10.47], [-65.0, -10.25], [-64.75, -10.35], [-64.5, -10.25], [-63.97, -10.47], [-63.75, -11.0], [-63.96, -11.5], [-63.75, -12.0], [-63.97, -12.53], [-64.5, -12.75], [-65.0, -12.54], [-65.5, -12.75], [-66.03, -12.53], [-66.25, -12.0], [-66.03, -11.47], [-65.62, -11.3], [-65.75, -11.0], [-65.53, -10.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.637586707627179}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.609852713451465}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.03525777714657, 29.588297095378493, 29.23088945765278, 28.789874289652516]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.77828675924559, 30.530858404007176, 30.287256145100343, 29.275477241704436]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.397691683056646, 2.937551311051162, 2.577328069494312, 2.2040075320499284]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8755097319524907, 3.637586707627179, 3.399830748760678, 2.3947390707220393]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2075025430217563, 1.475857042751029, 1.315802796873423, 1.1602453493069138]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3731303293491322, 1.6589629127318792, 1.600272435197577, 1.205354508098239]}}