{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:16.249491", "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": "2017-Oct-17_to_2017-Oct-19_301.0_-22.0"}, "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": 2017100002122}, "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": "October 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 68978.81694639729}, "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", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -22.0}, "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": 301.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.53, -20.97], [-59.18, -20.82], [-59.03, -20.47], 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[-58.5, -20.25], [-57.97, -20.47], [-57.82, -20.82], [-57.75, -20.85], [-57.68, -20.82], [-57.53, -20.47], [-57.0, -20.25], [-56.47, -20.47], [-56.3, -20.88], [-56.18, -20.82], [-56.15, -20.75], [-56.25, -20.5], [-56.15, -20.25], [-56.25, -20.0], [-56.03, -19.47], [-55.5, -19.25], [-54.97, -19.47], [-54.82, -19.82], [-54.47, -19.97], [-54.32, -20.32], [-53.97, -20.47], [-53.75, -21.0], [-53.97, -21.53], [-54.5, -21.75], [-54.75, -21.65], [-55.0, -21.75], [-55.25, -21.65], [-55.32, -21.68], [-55.35, -21.75], [-55.25, -22.0], [-55.47, -22.53], [-55.82, -22.68], [-55.97, -23.03], [-56.32, -23.18], [-56.47, -23.53], [-57.0, -23.75], [-57.53, -23.53], [-57.68, -23.18], [-58.03, -23.03], [-58.18, -22.68], [-58.25, -22.65], [-58.5, -22.75], [-58.75, -22.65], [-59.0, -22.75], [-59.53, -22.53], [-59.75, -22.0], [-59.65, -21.75], [-59.75, -21.5], [-59.53, -20.97]]]]}, "2017-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.53, -20.97], [-59.18, -20.82], [-59.03, -20.47], [-58.5, -20.25], [-57.97, -20.47], [-57.82, -20.82], [-57.75, -20.85], [-57.68, -20.82], [-57.53, -20.47], [-57.0, -20.25], [-56.47, -20.47], [-56.3, -20.88], [-56.18, -20.82], [-56.15, -20.75], [-56.25, -20.5], [-56.15, -20.25], [-56.25, -20.0], [-56.03, -19.47], [-55.5, -19.25], [-54.97, -19.47], [-54.82, -19.82], [-54.47, -19.97], [-54.32, -20.32], [-53.97, -20.47], [-53.75, -21.0], [-53.97, -21.53], [-54.5, -21.75], [-54.75, -21.65], [-55.0, -21.75], [-55.25, -21.65], [-55.32, -21.68], [-55.35, -21.75], [-55.25, -22.0], [-55.47, -22.53], [-55.82, -22.68], [-55.97, -23.03], [-56.32, -23.18], [-56.47, -23.53], [-57.0, -23.75], [-57.53, -23.53], [-57.68, -23.18], [-58.03, -23.03], [-58.18, -22.68], [-58.25, -22.65], [-58.5, -22.75], [-58.75, -22.65], [-59.0, -22.75], [-59.53, -22.53], [-59.75, -22.0], [-59.65, -21.75], [-59.75, -21.5], [-59.53, -20.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.20582650960489}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.795254673217264}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.35348360176846, 31.831002403445098, 30.748102772573134]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.48044446560482, 35.409007551332536, 33.10692576380342]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.823007184426625, 5.260189893975614, 4.302566941249554]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.944306756794845, 8.20582650960489, 5.479908548808737]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5199440819825456, 1.7445893132479096, 1.5268689693711706]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7345427640294908, 2.2385147006638717, 1.726870984798132]}}