{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:51.323815", "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-Jun-30_to_2011-Jul-03_311.5_-19.5"}, "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": 2011060003081}, "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": "June 30 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 03 2011"}, "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": 55466.94892459431}, "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"]}, "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": -19.5}, "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": 311.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 310.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 313.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -18.47], [-49.5, -18.25], [-49.25, -18.35], [-49.0, -18.25], [-48.75, -18.35], [-48.62, -18.3], [-48.75, -18.0], [-48.53, -17.47], [-48.0, -17.25], [-47.47, -17.47], [-47.25, -18.0], [-47.47, -18.53], [-47.87, -18.7], [-47.82, -18.82], [-47.47, -18.97], [-47.25, -19.5], [-47.47, -20.03], [-48.0, -20.25], [-48.25, -20.15], [-48.32, -20.18], [-48.47, -20.53], [-49.0, -20.75], [-49.53, -20.53], [-49.68, -20.18], [-50.03, -20.03], [-50.25, -19.5], [-50.15, -19.25], [-50.25, -19.0], [-50.03, -18.47]]]]}, "2011-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -18.47], [-49.5, -18.25], [-49.25, -18.35], [-49.18, -18.32], [-49.03, -17.97], [-48.68, -17.82], [-48.53, -17.47], [-48.0, -17.25], [-47.47, -17.47], [-47.25, -18.0], [-47.35, -18.25], [-47.32, -18.32], [-47.25, -18.35], [-47.0, -18.25], [-46.75, -18.35], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.85, -19.25], [-45.75, -19.5], [-45.97, -20.03], [-46.5, -20.25], [-46.75, -20.15], [-47.0, -20.25], [-47.25, -20.15], [-47.5, -20.25], [-47.75, -20.15], [-47.82, -20.18], [-47.97, -20.53], [-48.5, -20.75], [-48.75, -20.65], [-49.0, -20.75], [-49.53, -20.53], [-49.68, -20.18], [-50.03, -20.03], [-50.25, -19.5], [-50.15, -19.25], [-50.25, -19.0], [-50.03, -18.47]]]]}, "2011-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -18.47], [-49.5, -18.25], [-49.25, -18.35], [-49.18, -18.32], [-49.03, -17.97], [-48.68, -17.82], [-48.53, -17.47], [-48.0, -17.25], [-47.47, -17.47], [-47.25, -18.0], [-47.35, -18.25], [-47.32, -18.32], [-47.25, -18.35], [-47.0, -18.25], [-46.75, -18.35], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.85, -19.25], [-45.75, -19.5], [-45.97, -20.03], [-46.5, -20.25], [-46.75, -20.15], [-47.0, -20.25], [-47.25, -20.15], [-47.5, -20.25], [-47.75, -20.15], [-47.82, -20.18], [-47.97, -20.53], [-48.5, -20.75], [-48.75, -20.65], [-49.0, -20.75], [-49.53, -20.53], [-49.68, -20.18], [-50.03, -20.03], [-50.25, -19.5], [-50.15, -19.25], [-50.25, -19.0], [-50.03, -18.47]]]]}, "2011-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.25, -19.5], [-50.03, -18.97], [-49.5, -18.75], [-49.25, -18.85], [-49.18, -18.82], [-49.15, -18.75], [-49.25, -18.5], [-49.03, -17.97], [-48.5, -17.75], [-48.25, -17.85], [-48.0, -17.75], [-47.47, -17.97], [-47.32, -18.32], [-47.25, -18.35], [-47.0, -18.25], [-46.75, -18.35], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.85, -19.25], [-45.75, -19.5], [-45.97, -20.03], [-46.5, -20.25], [-46.75, -20.15], [-47.0, -20.25], [-47.25, -20.15], [-47.5, -20.25], [-47.75, -20.15], [-47.82, -20.18], [-47.97, -20.53], [-48.5, -20.75], [-48.75, -20.65], [-49.0, -20.75], [-49.53, -20.53], [-49.68, -20.18], [-50.03, -20.03], [-50.25, -19.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.068786684424424}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.119848962321632}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.937398321884302, 22.4243433564547, 22.39569441587048, 21.798216987670344]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.951471018728512, 24.633106396707944, 24.6334205842237, 24.278074503869732]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.970271400261658, 2.3278278809877406, 2.2425004710938645, 1.8113627083973363]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2669159644780734, 2.722803392802632, 3.068786684424424, 2.3004676197073763]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.074485728435676, 1.5277741910932845, 1.5454987904448039, 1.2997240480743675]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1962124988510738, 2.000363567098838, 2.0402424869651643, 1.5691746056448241]}}