{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:26.320688", "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-Sep-17_to_2021-Sep-21_290.5_-13.5"}, "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": 2021090002071}, "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 17 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 21 2021"}, "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": 210966.85018230832}, "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", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "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": -13.5}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "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": {"2021-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.0, -11.75], [-71.47, -11.97], [-71.25, -12.5], [-71.47, -13.03], [-71.82, -13.18], [-71.97, -13.53], [-72.5, -13.75], [-73.03, -13.53], [-73.25, -13.0], [-73.03, -12.47], [-72.68, -12.32], [-72.53, -11.97], [-72.0, -11.75]]]]}, "2021-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -12.0], [-72.53, -11.47], [-72.18, -11.32], [-72.03, -10.97], [-71.68, -10.82], [-71.53, -10.47], [-71.18, -10.32], [-71.03, -9.97], [-70.5, -9.75], [-69.97, -9.97], [-69.75, -10.5], [-69.85, -10.75], [-69.82, -10.82], [-69.75, -10.85], [-69.5, -10.75], [-69.25, -10.85], [-69.0, -10.75], [-68.75, -10.85], [-68.5, -10.75], [-67.97, -10.97], [-67.82, -11.32], [-67.75, -11.35], [-67.5, -11.25], [-67.25, -11.35], [-67.0, -11.25], [-66.47, -11.47], [-66.32, -11.82], [-65.97, -11.97], [-65.82, -12.32], [-65.75, -12.35], [-65.5, -12.25], [-64.97, -12.47], [-64.75, -13.0], [-64.97, -13.53], [-65.32, -13.68], [-65.47, -14.03], [-65.82, -14.18], [-65.97, -14.53], [-66.32, -14.68], [-66.35, -14.75], [-66.25, -15.0], [-66.35, -15.25], [-66.25, -15.5], [-66.47, -16.03], [-67.0, -16.25], [-67.25, -16.15], [-67.5, -16.25], [-68.03, -16.03], [-68.25, -15.5], [-68.15, -15.25], [-68.18, -15.18], [-68.53, -15.03], [-68.68, -14.68], [-68.75, -14.65], [-69.0, -14.75], [-69.53, -14.53], [-69.68, -14.18], [-70.0, -14.04], [-70.5, -14.25], [-71.03, -14.03], [-71.18, -13.68], [-71.25, -13.65], [-71.5, -13.75], [-72.0, -13.54], [-72.5, -13.75], [-73.03, -13.53], [-73.25, -13.0], [-73.03, -12.47], [-72.68, -12.32], [-72.65, -12.25], [-72.75, -12.0]]]]}, "2021-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -12.0], [-72.53, -11.47], [-72.18, -11.32], [-72.03, -10.97], [-71.68, -10.82], [-71.53, -10.47], [-71.18, -10.32], [-71.03, -9.97], [-70.5, -9.75], [-69.97, -9.97], [-69.75, -10.5], [-69.85, -10.75], [-69.82, -10.82], [-69.75, -10.85], [-69.5, -10.75], [-69.25, -10.85], [-69.0, -10.75], [-68.75, -10.85], [-68.68, -10.82], [-68.53, -10.47], [-68.0, -10.25], [-67.47, -10.47], [-67.25, -11.0], [-67.35, -11.25], [-67.32, -11.32], [-67.25, -11.35], [-67.0, -11.25], [-66.47, -11.47], [-66.32, -11.82], [-65.97, -11.97], [-65.82, -12.32], [-65.75, -12.35], [-65.5, -12.25], [-64.97, -12.47], [-64.75, -13.0], [-64.85, -13.25], [-64.75, -13.5], [-64.97, -14.03], [-65.5, -14.25], [-65.75, -14.15], [-65.82, -14.18], [-65.97, -14.53], [-66.32, -14.68], [-66.35, -14.75], [-66.25, -15.0], [-66.35, -15.25], [-66.25, -15.5], [-66.47, -16.03], [-67.0, -16.25], [-67.25, -16.15], [-67.5, -16.25], [-68.03, -16.03], [-68.25, -15.5], [-68.15, -15.25], [-68.18, -15.18], [-68.53, -15.03], [-68.68, -14.68], [-68.75, -14.65], [-69.0, -14.75], [-69.53, -14.53], [-69.68, -14.18], [-70.0, -14.04], [-70.5, -14.25], [-70.75, -14.15], [-71.0, -14.25], [-71.53, -14.03], [-71.68, -13.68], [-72.0, -13.54], [-72.5, -13.75], [-73.03, -13.53], [-73.25, -13.0], [-73.03, -12.47], [-72.68, -12.32], [-72.65, -12.25], [-72.75, -12.0]]]]}, "2021-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -12.0], [-72.53, -11.47], [-72.18, -11.32], [-72.03, -10.97], [-71.68, -10.82], [-71.53, -10.47], [-71.18, -10.32], [-71.03, -9.97], [-70.5, -9.75], [-69.97, -9.97], [-69.75, -10.5], [-69.85, -10.75], [-69.82, -10.82], [-69.75, -10.85], [-69.5, -10.75], [-69.25, -10.85], [-69.0, -10.75], [-68.75, -10.85], [-68.68, -10.82], [-68.53, -10.47], [-68.0, -10.25], [-67.47, -10.47], [-67.25, -11.0], [-67.35, -11.25], [-67.32, -11.32], [-67.25, -11.35], [-67.0, -11.25], [-66.47, -11.47], [-66.32, -11.82], [-65.97, -11.97], [-65.82, -12.32], [-65.75, -12.35], [-65.5, -12.25], [-64.97, -12.47], [-64.75, -13.0], [-64.85, -13.25], [-64.75, -13.5], [-64.97, -14.03], [-65.5, -14.25], [-65.75, -14.15], [-65.82, -14.18], [-65.97, -14.53], [-66.32, -14.68], [-66.35, -14.75], [-66.25, -15.0], [-66.35, -15.25], [-66.25, -15.5], [-66.47, -16.03], [-67.0, -16.25], [-67.25, -16.15], [-67.5, -16.25], [-68.03, -16.03], [-68.25, -15.5], [-68.15, -15.25], [-68.18, -15.18], [-68.53, -15.03], [-68.68, -14.68], [-68.75, -14.65], [-69.0, -14.75], [-69.53, -14.53], [-69.68, -14.18], [-70.0, -14.04], [-70.5, -14.25], [-70.75, -14.15], [-71.0, -14.25], [-71.53, -14.03], [-71.68, -13.68], [-72.03, -13.53], [-72.25, -13.0], [-72.15, -12.75], [-72.18, -12.68], [-72.53, -12.53], [-72.75, -12.0]]]]}, "2021-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -12.47], [-71.5, -12.25], [-71.2, -12.38], [-71.03, -11.97], [-70.5, -11.75], [-69.97, -11.97], [-69.75, -12.5], [-69.93, -12.93], [-69.5, -12.75], [-68.97, -12.97], [-68.75, -13.5], [-68.97, -14.03], [-69.5, -14.25], [-70.0, -14.04], [-70.5, -14.25], [-70.75, -14.15], [-71.0, -14.25], [-71.53, -14.03], [-71.68, -13.68], [-72.03, -13.53], [-72.25, -13.0], [-72.03, -12.47]]], [[[-69.03, -10.97], [-68.68, -10.82], [-68.53, -10.47], [-68.0, -10.25], [-67.47, -10.47], [-67.25, -11.0], [-67.35, -11.25], [-67.32, -11.32], [-67.25, -11.35], [-67.0, -11.25], [-66.47, -11.47], [-66.25, -12.0], [-66.37, -12.3], [-66.25, -12.35], [-66.0, -12.25], [-65.75, -12.35], [-65.5, -12.25], [-64.97, -12.47], [-64.75, -13.0], [-64.85, -13.25], [-64.75, -13.5], [-64.97, -14.03], [-65.5, -14.25], [-65.75, -14.15], [-66.0, -14.25], [-66.53, -14.03], [-66.68, -13.68], [-66.75, -13.65], [-66.82, -13.68], [-66.97, -14.03], [-67.5, -14.25], [-68.03, -14.03], [-68.25, -13.5], [-68.15, -13.25], [-68.18, -13.18], [-68.53, -13.03], [-68.75, -12.5], [-68.65, -12.25], [-68.68, -12.18], [-69.03, -12.03], [-69.25, -11.5], [-69.03, -10.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.105653643829783}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.271759003160722}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.211978803550721, 27.498813073390465, 27.98316097571933, 28.26611699892794, 27.509248341936996]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.952681342816732, 31.303022701639577, 31.94952507628119, 32.07898190003044, 31.216874501294342]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0847243060702283, 2.9434703116656324, 3.560897308710242, 3.468465043591383, 2.911065236260984]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1988915663720832, 4.3738884627654215, 5.009949249288525, 5.105653643829783, 3.701049974417799]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3666518512281332, 1.3158454809092774, 1.6472491447726345, 1.5495803348385535, 1.3380534769049224]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5506723517759122, 1.6898042942829505, 2.1232971530504163, 1.9260189668850611, 1.9465507384664305]}}