{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:26.665947", "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": "2020-Sep-03_to_2020-Sep-06_305.5_-6.0"}, "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": 2020090001084}, "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 03 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 06 2020"}, "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": 64636.37733637968}, "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": -6.0}, "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": 305.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 304.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.04, -5.0], [-55.25, -4.5], [-55.03, -3.97], [-54.5, -3.75], [-53.97, -3.97], [-53.75, -4.5], [-53.96, -5.0], [-53.75, -5.5], [-53.85, -5.75], [-53.75, -6.0], [-53.97, -6.53], [-54.5, -6.75], [-55.03, -6.53], [-55.25, -6.0], [-55.15, -5.75], [-55.25, -5.5], [-55.04, -5.0]]]]}, "2020-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.03, -5.47], [-55.5, -5.25], [-55.25, -5.35], [-55.18, -5.32], [-55.04, -5.0], [-55.25, -4.5], [-55.03, -3.97], [-54.62, -3.8], [-54.75, -3.5], [-54.53, -2.97], [-54.0, -2.75], [-53.47, -2.97], [-53.32, -3.32], [-53.25, -3.35], [-53.0, -3.25], [-52.47, -3.47], [-52.32, -3.82], [-51.97, -3.97], [-51.75, -4.5], [-51.85, -4.75], [-51.75, -5.0], [-51.97, -5.53], [-52.5, -5.75], [-52.75, -5.65], [-52.82, -5.68], [-52.85, -5.75], [-52.75, -6.0], [-52.97, -6.53], [-53.5, -6.75], [-53.75, -6.65], [-54.0, -6.75], [-54.25, -6.65], [-54.32, -6.68], [-54.47, -7.03], [-54.82, -7.18], [-54.97, -7.53], [-55.5, -7.75], [-56.03, -7.53], [-56.25, -7.0], [-56.04, -6.5], [-56.25, -6.0], [-56.03, -5.47]]]]}, "2020-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.03, -5.47], [-55.5, -5.25], [-55.25, -5.35], [-55.18, -5.32], [-55.04, -5.0], [-55.25, -4.5], [-55.03, -3.97], [-54.62, -3.8], [-54.75, -3.5], [-54.53, -2.97], [-54.0, -2.75], [-53.47, -2.97], [-53.32, -3.32], [-53.25, -3.35], [-53.0, -3.25], [-52.47, -3.47], [-52.32, -3.82], [-51.97, -3.97], [-51.75, -4.5], [-51.85, -4.75], [-51.75, -5.0], [-51.97, -5.53], [-52.5, -5.75], [-52.75, -5.65], [-52.82, -5.68], [-52.85, -5.75], [-52.75, -6.0], [-52.97, -6.53], [-53.5, -6.75], [-53.75, -6.65], [-54.0, -6.75], [-54.25, -6.65], [-54.32, -6.68], [-54.47, -7.03], [-54.82, -7.18], [-54.97, -7.53], [-55.5, -7.75], [-56.03, -7.53], [-56.25, -7.0], [-56.04, -6.5], [-56.25, -6.0], [-56.03, -5.47]]]]}, "2020-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.03, -5.47], [-55.5, -5.25], [-55.25, -5.35], [-55.18, -5.32], [-55.03, -4.97], [-54.68, -4.82], [-54.53, -4.47], [-54.18, -4.32], [-54.15, -4.25], [-54.18, -4.18], [-54.53, -4.03], [-54.75, -3.5], [-54.53, -2.97], [-54.0, -2.75], [-53.47, -2.97], [-53.32, -3.32], [-53.25, -3.35], [-53.0, -3.25], [-52.47, -3.47], [-52.32, -3.82], [-51.97, -3.97], [-51.75, -4.5], [-51.85, -4.75], [-51.75, -5.0], [-51.97, -5.53], [-52.5, -5.75], [-52.75, -5.65], [-52.82, -5.68], [-52.85, -5.75], [-52.75, -6.0], [-52.97, -6.53], [-53.5, -6.75], [-53.75, -6.65], [-54.0, -6.75], [-54.25, -6.65], [-54.32, -6.68], [-54.47, -7.03], [-54.82, -7.18], [-54.97, -7.53], [-55.5, -7.75], [-56.03, -7.53], [-56.25, -7.0], [-56.04, -6.5], [-56.25, -6.0], [-56.03, -5.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.321863128875634}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.664999810236271}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.021706832587938, 29.227099894619414, 29.150981739551014, 29.204340554837927]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.54691563348689, 29.937046388569627, 29.61556010677981, 30.037495868114718]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4897225978082815, 1.6989509412542165, 1.6366229403162205, 1.6854384179476796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7598800636262695, 2.1712348946988413, 1.9889511299783749, 2.321863128875634]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3048251222634442, 1.5255503853980141, 1.4347419068012353, 1.442297685981821]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3521252984976555, 1.9543299239690155, 1.7268487654860394, 1.7167299616184262]}}