{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:10.873281", "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-Dec-07_to_2011-Dec-11_311.0_-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": 2011120001968}, "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": "December 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 11 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": 52116.29201535215}, "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", "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": -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": 311.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 309.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "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": {"2011-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.65, -6.25], [-50.75, -6.0], [-50.53, -5.47], [-50.0, -5.25], [-49.47, -5.47], [-49.25, -6.0], [-49.35, -6.25], [-49.3, -6.38], [-49.0, -6.25], [-48.47, -6.47], [-48.32, -6.82], [-47.97, -6.97], [-47.75, -7.5], [-47.97, -8.03], [-48.32, -8.18], [-48.35, -8.25], [-48.32, -8.32], [-47.97, -8.47], [-47.75, -9.0], [-47.97, -9.53], [-48.5, -9.75], [-49.03, -9.53], [-49.18, -9.18], [-49.25, -9.15], [-49.5, -9.25], [-50.03, -9.03], [-50.18, -8.68], [-50.53, -8.53], [-50.75, -8.0], [-50.54, -7.5], [-50.75, -7.0], [-50.65, -6.75], [-50.75, -6.5], [-50.65, -6.25]]]]}, "2011-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.65, -6.25], [-50.75, -6.0], [-50.53, -5.47], [-50.0, -5.25], [-49.47, -5.47], [-49.3, -5.88], [-49.18, -5.82], [-49.03, -5.47], [-48.5, -5.25], [-47.97, -5.47], [-47.75, -6.0], [-47.97, -6.53], [-48.32, -6.68], [-48.35, -6.75], [-48.32, -6.82], [-47.97, -6.97], [-47.75, -7.5], [-47.97, -8.03], [-48.32, -8.18], [-48.35, -8.25], [-48.32, -8.32], [-47.97, -8.47], [-47.75, -9.0], [-47.97, -9.53], [-48.5, -9.75], [-49.03, -9.53], [-49.18, -9.18], [-49.25, -9.15], [-49.5, -9.25], [-50.03, -9.03], [-50.18, -8.68], [-50.53, -8.53], [-50.75, -8.0], [-50.54, -7.5], [-50.75, -7.0], [-50.65, -6.75], [-50.75, -6.5], [-50.65, -6.25]]]]}, "2011-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.25, -6.0], [-51.03, -5.47], [-50.5, -5.25], [-50.25, -5.35], [-50.0, -5.25], [-49.47, -5.47], [-49.3, -5.88], [-49.18, -5.82], [-49.03, -5.47], [-48.5, -5.25], [-47.97, -5.47], [-47.75, -6.0], [-47.85, -6.25], [-47.75, -6.5], [-47.96, -7.0], [-47.75, -7.5], [-47.97, -8.03], [-48.32, -8.18], [-48.35, -8.25], [-48.32, -8.32], [-47.97, -8.47], [-47.75, -9.0], [-47.97, -9.53], [-48.5, -9.75], [-49.03, -9.53], [-49.18, -9.18], [-49.25, -9.15], [-49.5, -9.25], [-50.03, -9.03], [-50.18, -8.68], [-50.53, -8.53], [-50.75, -8.0], [-50.54, -7.5], [-50.75, -7.0], [-50.65, -6.75], [-50.68, -6.68], [-51.03, -6.53], [-51.25, -6.0]]]]}, "2011-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.25, -6.0], [-51.03, -5.47], [-50.5, -5.25], [-50.25, -5.35], [-50.0, -5.25], [-49.47, -5.47], [-49.3, -5.88], [-49.18, -5.82], [-49.03, -5.47], [-48.5, -5.25], [-47.97, -5.47], [-47.75, -6.0], [-47.85, -6.25], [-47.75, -6.5], [-47.96, -7.0], [-47.75, -7.5], [-47.97, -8.03], [-48.32, -8.18], [-48.47, -8.53], [-49.0, -8.75], [-49.25, -8.65], [-49.5, -8.75], [-49.75, -8.65], [-50.0, -8.75], [-50.53, -8.53], [-50.75, -8.0], [-50.53, -7.47], [-50.18, -7.32], [-50.12, -7.2], [-50.53, -7.03], [-50.68, -6.68], [-51.03, -6.53], [-51.25, -6.0]]]]}, "2011-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.25, -6.0], [-51.03, -5.47], [-50.5, -5.25], [-49.97, -5.47], [-49.82, -5.82], [-49.5, -5.96], [-49.18, -5.82], [-49.03, -5.47], [-48.5, -5.25], [-47.97, -5.47], [-47.75, -6.0], [-47.85, -6.25], [-47.75, -6.5], [-47.96, -7.0], [-47.75, -7.5], [-47.97, -8.03], [-48.32, -8.18], [-48.47, -8.53], [-49.0, -8.75], [-49.25, -8.65], [-49.5, -8.75], [-49.75, 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anomalies.", "value": [1.6582802052459915, 1.641673161027293, 1.4500779380074926, 1.5017728668666843, 1.644217862385048]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.078684023098674, 2.271752368113141, 1.7503184528450788, 1.9393947377145082, 2.2662372871570824]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5735535681372592, 1.5922544942922332, 1.4676560509732692, 1.5974910492966747, 1.7798598909580614]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8445159267310212, 1.979669096825338, 1.6446541057895272, 1.8034190313930223, 2.117659449577414]}}