{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:13.795088", "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-15_to_2011-Aug-18_305.0_2.0"}, "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": 2011080002531}, "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 15 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 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": 71029.6016020134}, "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", "Suriname"]}, "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": 2.0}, "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": 305.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "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": {"2011-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.53, 2.53], [-55.0, 2.75], [-54.75, 2.65], [-54.5, 2.75], [-54.25, 2.65], [-54.0, 2.75], [-53.47, 2.53], [-53.25, 2.0], [-53.35, 1.75], [-53.25, 1.5], [-53.47, 0.97], [-54.0, 0.75], [-54.5, 0.96], [-55.0, 0.75], [-55.53, 0.97], [-55.75, 1.5], [-55.65, 1.75], [-55.75, 2.0], [-55.53, 2.53]]]]}, "2011-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, 4.53], [-56.0, 4.75], [-55.47, 4.53], [-55.32, 4.18], [-55.25, 4.15], [-55.0, 4.25], [-54.75, 4.15], [-54.5, 4.25], [-53.97, 4.03], [-53.82, 3.68], [-53.75, 3.65], [-53.5, 3.75], [-52.97, 3.53], [-52.75, 3.0], [-52.97, 2.47], [-53.32, 2.32], [-53.35, 2.25], [-53.32, 2.18], [-52.97, 2.03], [-52.75, 1.5], [-52.97, 0.97], [-53.32, 0.82], [-53.47, 0.47], [-54.0, 0.25], [-54.25, 0.35], [-54.5, 0.25], [-54.75, 0.35], [-55.0, 0.25], [-55.25, 0.35], [-55.5, 0.25], [-56.03, 0.47], [-56.18, 0.82], [-56.53, 0.97], [-56.75, 1.5], [-56.53, 2.03], [-56.18, 2.18], [-56.03, 2.53], [-55.62, 2.7], [-55.68, 2.82], [-55.75, 2.85], [-56.0, 2.75], [-56.53, 2.97], [-56.75, 3.5], [-56.65, 3.75], [-56.75, 4.0], [-56.53, 4.53]]]]}, "2011-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, 4.53], [-56.0, 4.75], [-55.47, 4.53], [-55.32, 4.18], [-55.25, 4.15], [-55.0, 4.25], [-54.75, 4.15], [-54.5, 4.25], [-53.97, 4.03], [-53.82, 3.68], [-53.75, 3.65], [-53.5, 3.75], [-52.97, 3.53], [-52.75, 3.0], [-52.97, 2.47], [-53.32, 2.32], [-53.35, 2.25], [-53.32, 2.18], [-52.97, 2.03], [-52.75, 1.5], [-52.97, 0.97], [-53.32, 0.82], [-53.47, 0.47], [-54.0, 0.25], [-54.25, 0.35], [-54.5, 0.25], [-54.75, 0.35], [-55.0, 0.25], [-55.25, 0.35], [-55.5, 0.25], [-56.03, 0.47], [-56.18, 0.82], [-56.53, 0.97], [-56.75, 1.5], [-56.53, 2.03], [-56.18, 2.18], [-56.03, 2.53], [-55.62, 2.7], [-55.68, 2.82], [-55.75, 2.85], [-56.0, 2.75], [-56.53, 2.97], [-56.75, 3.5], [-56.65, 3.75], [-56.75, 4.0], [-56.53, 4.53]]]]}, "2011-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.53, 4.53], [-56.0, 4.75], [-55.47, 4.53], [-55.32, 4.18], [-55.25, 4.15], [-55.0, 4.25], [-54.75, 4.15], [-54.5, 4.25], [-53.97, 4.03], [-53.82, 3.68], [-53.75, 3.65], [-53.5, 3.75], [-52.97, 3.53], [-52.75, 3.0], [-52.97, 2.47], [-53.32, 2.32], [-53.35, 2.25], [-53.32, 2.18], [-52.97, 2.03], [-52.75, 1.5], [-52.97, 0.97], [-53.32, 0.82], [-53.47, 0.47], [-54.0, 0.25], [-54.25, 0.35], [-54.5, 0.25], [-54.75, 0.35], [-55.0, 0.25], [-55.25, 0.35], [-55.5, 0.25], [-56.03, 0.47], [-56.18, 0.82], [-56.53, 0.97], [-56.75, 1.5], [-56.53, 2.03], [-56.18, 2.18], [-56.03, 2.53], [-55.62, 2.7], [-55.68, 2.82], [-55.75, 2.85], [-56.0, 2.75], [-56.53, 2.97], [-56.75, 3.5], [-56.65, 3.75], [-56.75, 4.0], [-56.53, 4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3762470711018864}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6466639976349913}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.368632302400613, 27.72215264421942, 27.591120322282563, 27.736128725547303]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.79230242714499, 28.449363664403734, 28.33945114296165, 28.822068495530687]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.495080652821707, 1.7291549360221503, 1.566603446913568, 1.6771865110156217]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6716631100983932, 2.3762470711018864, 2.08488755266751, 2.244164351925292]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5440361366367383, 1.8155909945419832, 1.5824757908036797, 1.6395832619928121]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7529444377657477, 2.3955652853758753, 1.9548736095839672, 2.3762894067945104]}}