{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:45.193923", "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": "2016-Feb-03_to_2016-Feb-09_308.0_3.5"}, "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": 2016020001041}, "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": "February 03 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 09 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 52464.54737599981}, "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", "French Guiana"]}, "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": ["North Atlantic Ocean"]}, "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": 3.5}, "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": 308.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "308.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "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": {"2016-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.5, 3.25], [-49.97, 3.03], [-49.75, 2.5], [-49.97, 1.97], [-50.5, 1.75], [-51.03, 1.97], [-51.25, 2.5], [-51.03, 3.03], [-50.5, 3.25]]]]}, "2016-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.03, 3.47], [-54.25, 4.0], [-54.03, 4.53], [-53.5, 4.75], [-53.25, 4.65], [-53.0, 4.75], [-52.75, 4.65], [-52.5, 4.75], [-52.25, 4.65], [-52.0, 4.75], [-51.47, 4.53], [-51.32, 4.18], [-50.97, 4.03], [-50.82, 3.68], [-50.47, 3.53], [-50.32, 3.18], [-49.97, 3.03], [-49.75, 2.5], [-49.97, 1.97], [-50.5, 1.75], [-51.03, 1.97], [-51.18, 2.32], [-51.25, 2.35], [-51.5, 2.25], [-51.75, 2.35], [-52.0, 2.25], [-52.25, 2.35], [-52.5, 2.25], [-53.03, 2.47], [-53.25, 3.0], [-53.15, 3.25], [-53.18, 3.32], [-53.25, 3.35], [-53.5, 3.25], [-54.03, 3.47]]]]}, "2016-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.25, 4.0], [-54.03, 4.53], [-53.5, 4.75], [-53.25, 4.65], [-53.0, 4.75], [-52.75, 4.65], [-52.5, 4.75], [-52.25, 4.65], [-52.0, 4.75], [-51.47, 4.53], [-51.32, 4.18], [-50.97, 4.03], [-50.82, 3.68], [-50.47, 3.53], [-50.32, 3.18], [-49.97, 3.03], [-49.75, 2.5], [-49.97, 1.97], [-50.5, 1.75], [-51.03, 1.97], [-51.18, 2.32], [-51.25, 2.35], [-51.5, 2.25], [-51.75, 2.35], [-52.0, 2.25], [-52.25, 2.35], [-52.5, 2.25], [-53.03, 2.47], [-53.18, 2.82], [-53.53, 2.97], [-53.68, 3.32], [-54.03, 3.47], [-54.25, 4.0]]]]}, "2016-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.25, 4.0], [-54.03, 4.53], [-53.5, 4.75], [-53.25, 4.65], [-53.0, 4.75], [-52.75, 4.65], [-52.5, 4.75], [-52.25, 4.65], [-52.0, 4.75], [-51.47, 4.53], [-51.32, 4.18], [-50.97, 4.03], [-50.82, 3.68], [-50.47, 3.53], [-50.25, 3.0], [-50.47, 2.47], [-51.0, 2.25], [-51.25, 2.35], [-51.5, 2.25], [-51.75, 2.35], [-52.0, 2.25], [-52.25, 2.35], [-52.5, 2.25], [-53.03, 2.47], [-53.18, 2.82], [-53.53, 2.97], [-53.68, 3.32], [-54.03, 3.47], [-54.25, 4.0]]]]}, "2016-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.54, 3.0], [-53.75, 3.5], [-53.53, 4.03], [-53.0, 4.25], [-52.75, 4.15], [-52.5, 4.25], [-52.25, 4.15], [-52.0, 4.25], [-51.47, 4.03], [-51.25, 3.5], [-51.37, 3.2], [-50.97, 3.03], [-50.75, 2.5], [-50.97, 1.97], [-51.5, 1.75], [-52.0, 1.96], [-52.32, 1.82], [-52.47, 1.47], [-53.0, 1.25], [-53.53, 1.47], [-53.75, 2.0], [-53.65, 2.25], [-53.75, 2.5], [-53.54, 3.0]]]]}, "2016-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.53, 3.03], [-53.0, 3.25], [-52.75, 3.15], [-52.5, 3.25], [-52.0, 3.04], [-51.5, 3.25], [-50.97, 3.03], [-50.75, 2.5], [-50.97, 1.97], [-51.5, 1.75], [-52.0, 1.96], [-52.32, 1.82], [-52.47, 1.47], [-53.0, 1.25], [-53.53, 1.47], [-53.75, 2.0], [-53.65, 2.25], [-53.75, 2.5], [-53.53, 3.03]]]]}, "2016-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.53, 3.03], [-53.0, 3.25], [-52.75, 3.15], [-52.5, 3.25], [-52.0, 3.04], [-51.5, 3.25], [-50.97, 3.03], [-50.75, 2.5], [-50.97, 1.97], [-51.5, 1.75], [-52.0, 1.96], [-52.32, 1.82], [-52.47, 1.47], [-53.0, 1.25], [-53.53, 1.47], [-53.75, 2.0], [-53.65, 2.25], [-53.75, 2.5], [-53.53, 3.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7850949436971746}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2538833275402548}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.65759284295234, 26.175297191605466, 26.265165758276623, 26.30439028293523, 25.99426578816349, 26.46097336628918, 26.24208000428405]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.65759284295234, 26.80308892508208, 26.613244838055948, 26.70507051185774, 26.20685463703154, 26.617506508196072, 26.60818410476446]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8512403746887003, 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2.0246628790088885, 1.749575178582991]}}