{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:17.832626", "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": "2011-Aug-29_to_2011-Sep-02_301.5_-5.5"}, "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": 2011080003147}, "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": "August 29 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 2011"}, "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": 52310.99498792036}, "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": -5.5}, "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": 301.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -5.5], [-60.03, -4.97], [-59.5, -4.75], [-59.25, -4.85], [-59.0, -4.75], [-58.75, -4.85], [-58.5, -4.75], [-57.97, -4.97], [-57.75, -5.5], [-57.97, -6.03], [-58.32, -6.18], [-58.47, -6.53], [-59.0, -6.75], [-59.53, -6.53], [-59.68, -6.18], [-60.03, -6.03], [-60.25, -5.5]]]]}, "2011-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -5.5], [-60.03, -4.97], [-59.68, -4.82], [-59.53, -4.47], [-59.18, -4.32], [-59.03, -3.97], [-58.5, -3.75], [-58.25, -3.85], [-58.0, -3.75], [-57.75, -3.85], [-57.5, -3.75], [-56.97, -3.97], [-56.75, -4.5], [-56.85, -4.75], [-56.75, -5.0], [-56.85, -5.25], [-56.82, -5.32], [-56.47, -5.47], [-56.25, -6.0], [-56.47, -6.53], [-56.82, -6.68], [-56.97, -7.03], [-57.5, -7.25], [-57.75, -7.15], [-58.0, -7.25], [-58.53, -7.03], [-58.68, -6.68], [-58.75, -6.65], [-59.0, -6.75], [-59.53, -6.53], [-59.68, -6.18], [-60.03, -6.03], [-60.25, -5.5]]]]}, "2011-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -5.5], [-60.03, -4.97], [-59.68, -4.82], [-59.53, -4.47], [-59.18, -4.32], [-59.03, -3.97], [-58.5, -3.75], [-58.25, -3.85], [-58.0, -3.75], [-57.75, -3.85], [-57.5, -3.75], [-56.97, -3.97], [-56.75, -4.5], [-56.85, -4.75], [-56.75, -5.0], [-56.85, -5.25], [-56.82, -5.32], [-56.47, -5.47], [-56.25, -6.0], [-56.47, -6.53], [-56.82, -6.68], [-56.97, -7.03], [-57.5, -7.25], [-57.75, -7.15], [-58.0, -7.25], [-58.53, -7.03], [-58.68, -6.68], [-58.75, -6.65], [-59.0, -6.75], [-59.53, -6.53], [-59.68, -6.18], [-60.03, -6.03], [-60.25, -5.5]]]]}, "2011-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -5.5], [-60.03, -4.97], [-59.68, -4.82], [-59.53, -4.47], [-59.18, -4.32], [-59.03, -3.97], [-58.5, -3.75], [-58.25, -3.85], [-58.0, -3.75], [-57.75, -3.85], [-57.5, -3.75], [-56.97, -3.97], [-56.75, -4.5], [-56.85, -4.75], [-56.75, -5.0], [-56.85, -5.25], [-56.82, -5.32], [-56.47, -5.47], [-56.25, -6.0], [-56.47, -6.53], [-56.82, -6.68], [-56.97, -7.03], [-57.5, -7.25], [-57.75, -7.15], [-58.0, -7.25], [-58.53, -7.03], [-58.68, -6.68], [-58.75, -6.65], [-59.0, -6.75], [-59.53, -6.53], [-59.68, -6.18], [-60.03, -6.03], [-60.25, -5.5]]]]}, "2011-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -5.5], [-60.03, -4.97], [-59.5, -4.75], [-59.25, -4.85], [-59.18, -4.82], [-59.03, -4.47], [-58.68, -4.32], [-58.53, -3.97], [-58.0, -3.75], [-57.75, -3.85], [-57.5, -3.75], [-56.97, -3.97], [-56.75, -4.5], [-56.85, -4.75], [-56.75, -5.0], [-56.97, -5.53], [-57.32, -5.68], [-57.47, -6.03], [-57.82, -6.18], [-57.97, -6.53], [-58.5, -6.75], [-58.75, -6.65], [-59.0, -6.75], [-59.53, -6.53], [-59.68, -6.18], [-60.03, -6.03], [-60.25, -5.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2012130789964885}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.233885568929254}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.58433516601451, 30.064735051685886, 29.908584677261047, 29.61493943788571, 29.56376273034607]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.744335933867717, 31.145680350730174, 30.945729680317754, 30.388180490627406, 30.53929886152514]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9170434161526941, 2.4096141858009568, 2.3250835325371613, 2.072592775578648, 2.1858486807395408]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1793892003250903, 3.2012130789964885, 3.081903609900394, 2.556258413980288, 2.8049750032903376]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4159390717829228, 1.8050744178122693, 1.7193975910737445, 1.5444531933217522, 1.6177208058781503]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.457788251851304, 2.3472468128107193, 2.2695204164985707, 1.8961127111718383, 1.9524836741530112]}}