{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:15.162302", "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-16_to_2021-Jun-23_319.5_-8.0"}, "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": 2021060002221}, "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 16 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 73529.55405339364}, "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.E.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": -8.0}, "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": 319.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "319.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 317.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 320.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.75, -6.5], [-42.53, -5.97], [-42.18, -5.82], [-42.03, -5.47], [-41.5, -5.25], [-40.97, -5.47], [-40.82, -5.82], [-40.47, -5.97], [-40.32, -6.32], [-39.97, -6.47], [-39.75, -7.0], [-39.97, -7.53], [-40.5, -7.75], [-40.75, -7.65], [-41.0, -7.75], [-41.25, -7.65], [-41.5, -7.75], [-42.03, -7.53], [-42.18, -7.18], [-42.53, -7.03], [-42.75, -6.5]]]]}, "2021-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.75, -6.5], [-42.53, -5.97], [-42.18, -5.82], [-42.03, -5.47], [-41.5, -5.25], [-40.97, -5.47], [-40.82, -5.82], [-40.75, -5.85], [-40.68, -5.82], [-40.53, -5.47], [-40.0, -5.25], [-39.47, -5.47], [-39.25, -6.0], [-39.35, -6.25], [-39.25, -6.5], [-39.47, -7.03], [-39.82, -7.18], [-39.87, -7.3], [-39.47, -7.47], [-39.25, -8.0], [-39.47, -8.53], [-39.82, -8.68], [-39.97, -9.03], [-40.5, -9.25], [-41.03, -9.03], [-41.18, -8.68], [-41.53, -8.53], [-41.75, -8.0], [-41.62, -7.7], [-42.03, -7.53], [-42.18, -7.18], [-42.53, -7.03], [-42.75, -6.5]]]]}, "2021-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.75, -6.5], [-42.53, -5.97], [-42.18, -5.82], [-42.03, -5.47], [-41.5, -5.25], [-40.97, -5.47], [-40.82, -5.82], [-40.75, -5.85], [-40.68, -5.82], [-40.53, -5.47], [-40.0, -5.25], [-39.47, -5.47], [-39.25, -6.0], [-39.35, -6.25], [-39.25, -6.5], [-39.47, -7.03], [-39.82, -7.18], [-39.87, -7.3], [-39.47, -7.47], [-39.25, -8.0], [-39.47, -8.53], [-39.82, -8.68], [-39.97, -9.03], [-40.5, -9.25], [-41.03, -9.03], [-41.18, -8.68], [-41.53, -8.53], [-41.75, -8.0], [-41.62, -7.7], [-42.03, -7.53], [-42.18, -7.18], [-42.53, -7.03], [-42.75, -6.5]]]]}, "2021-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.03, -5.47], [-41.5, -5.25], [-40.97, -5.47], [-40.82, -5.82], [-40.75, -5.85], [-40.68, -5.82], [-40.53, -5.47], [-40.0, -5.25], [-39.47, -5.47], [-39.25, -6.0], [-39.35, -6.25], [-39.25, -6.5], [-39.46, -7.0], [-39.25, -7.5], [-39.35, -7.75], [-39.25, -8.0], [-39.47, -8.53], [-39.82, -8.68], [-39.97, -9.03], [-40.5, -9.25], [-41.03, -9.03], [-41.18, -8.68], [-41.53, -8.53], [-41.75, -8.0], [-41.53, -7.47], [-41.12, -7.3], [-41.18, -7.18], [-41.25, -7.15], [-41.5, -7.25], [-42.03, -7.03], [-42.25, -6.5], [-42.15, -6.25], [-42.25, -6.0], [-42.03, -5.47]]]]}, "2021-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.03, -5.47], [-41.5, -5.25], [-40.97, -5.47], [-40.82, -5.82], [-40.75, -5.85], [-40.68, -5.82], [-40.53, -5.47], [-40.0, -5.25], [-39.47, -5.47], [-39.25, -6.0], [-39.35, -6.25], [-39.25, -6.5], [-39.37, -6.8], [-38.97, -6.97], [-38.75, -7.5], [-38.97, -8.03], [-39.32, -8.18], [-39.47, -8.53], [-39.82, -8.68], [-39.97, -9.03], [-40.5, -9.25], [-41.03, -9.03], [-41.18, -8.68], [-41.53, -8.53], [-41.75, -8.0], [-41.53, -7.47], [-41.18, -7.32], [-41.15, -7.25], [-41.18, -7.18], [-41.25, -7.15], [-41.5, -7.25], [-42.03, -7.03], [-42.25, -6.5], [-42.15, -6.25], [-42.25, -6.0], [-42.03, -5.47]]]]}, "2021-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.03, -7.97], [-41.68, -7.82], [-41.53, -7.47], [-41.18, -7.32], [-41.03, -6.97], [-40.62, -6.8], [-40.75, -6.5], [-40.65, -6.25], [-40.75, -6.0], [-40.53, -5.47], [-40.0, -5.25], [-39.47, -5.47], [-39.25, -6.0], [-39.35, -6.25], [-39.25, -6.5], [-39.37, -6.8], [-38.97, -6.97], [-38.75, -7.5], [-38.85, -7.75], [-38.75, -8.0], [-38.97, -8.53], [-39.32, -8.68], [-39.47, -9.03], [-39.82, -9.18], [-39.97, -9.53], [-40.32, -9.68], [-40.47, -10.03], [-41.0, -10.25], [-41.53, -10.03], [-41.68, -9.68], [-42.03, -9.53], [-42.25, -9.0], [-42.15, -8.75], [-42.25, -8.5], [-42.03, -7.97]]]]}, "2021-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.03, -7.97], [-41.68, -7.82], [-41.53, -7.47], [-41.18, -7.32], [-41.03, -6.97], [-40.5, -6.75], [-40.25, -6.85], [-40.0, -6.75], [-39.75, -6.85], [-39.5, -6.75], [-38.97, -6.97], [-38.75, -7.5], [-38.85, -7.75], [-38.75, -8.0], [-38.97, -8.53], [-39.32, -8.68], [-39.47, -9.03], [-39.82, -9.18], [-39.97, -9.53], [-40.32, -9.68], [-40.47, -10.03], [-41.0, -10.25], [-41.53, -10.03], [-41.68, -9.68], [-42.03, -9.53], [-42.25, -9.0], [-42.15, -8.75], [-42.25, -8.5], [-42.03, -7.97]]]]}, "2021-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.03, -7.97], [-41.68, -7.82], [-41.53, -7.47], [-41.18, -7.32], [-41.03, -6.97], [-40.5, -6.75], [-39.97, -6.97], [-39.82, -7.32], [-39.75, -7.35], [-39.5, -7.25], [-38.97, -7.47], [-38.75, -8.0], [-38.97, -8.53], [-39.32, -8.68], [-39.47, -9.03], [-39.82, -9.18], [-39.97, -9.53], [-40.32, -9.68], [-40.47, -10.03], [-41.0, -10.25], [-41.53, -10.03], [-41.68, -9.68], [-42.03, -9.53], [-42.25, -9.0], [-42.15, -8.75], [-42.25, -8.5], [-42.03, -7.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0926844368914317}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5674231652748143}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.99711415604935, 27.922634074562495, 27.260485942833895, 26.522243536168332, 26.233099639794204, 25.743487863152268, 25.646424019599635, 26.150418060598838]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.15231468786635, 30.18926060322724, 29.306488097834347, 28.88506403747101, 28.87502016711477, 27.39446997768721, 27.565466870502007, 27.814220059657885]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.601591837702488, 2.181893288517618, 1.5421919404288806, 1.4611696269101344, 1.583945596343284, 1.3154242842393664, 1.3915111811375962, 1.48825258322114]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.932117829245385, 3.0926844368914317, 1.818773873054397, 1.8621078275463674, 2.0265901638403534, 1.549885273352345, 1.619869523868772, 1.7957163529601985]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.474949270720225, 2.126533855039353, 1.5456080785158417, 1.5199871315446771, 1.7146625674401672, 1.4904944131911282, 1.5878027781298714, 1.692361396093873]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.645624941520246, 2.684152102275685, 1.6515853975727977, 1.9626991595789396, 2.211789377261009, 1.7174374482698904, 1.8634107723757696, 1.9712006323242142]}}