{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:40.795165", "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-Nov-14_to_2016-Nov-16_53.0_-66.5"}, "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": 2016110001954}, "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": "November 14 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 64318.70293080079}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -66.5}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 56.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -68.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -65.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.75, -67.5], [48.97, -66.97], [49.5, -66.75], [49.75, -66.85], [50.0, -66.75], [50.25, -66.85], [50.5, -66.75], [50.75, -66.85], [50.88, -66.8], [50.75, -66.5], [50.97, -65.97], [51.5, -65.75], [51.75, -65.85], [51.82, -65.82], [51.97, -65.47], [52.5, -65.25], [52.75, -65.35], [53.0, -65.25], [53.25, -65.35], [53.5, -65.25], [53.75, -65.35], [54.0, -65.25], [54.25, -65.35], [54.5, -65.25], [54.75, -65.35], [55.0, -65.25], [55.53, -65.47], [55.68, -65.82], [55.75, -65.85], [56.0, -65.75], [56.53, -65.97], [56.75, -66.5], [56.53, -67.03], [56.18, -67.18], [56.03, -67.53], [55.5, -67.75], [55.25, -67.65], [55.18, -67.68], [55.03, -68.03], [54.68, -68.18], [54.53, -68.53], [54.0, -68.75], [53.75, -68.65], [53.68, -68.68], [53.53, -69.03], [53.0, -69.25], [52.75, -69.15], [52.5, -69.25], [52.25, -69.15], [52.0, -69.25], [51.75, -69.15], [51.5, -69.25], [51.25, -69.15], [51.0, -69.25], [50.75, -69.15], [50.5, -69.25], [50.25, -69.15], [50.0, -69.25], [49.75, -69.15], [49.5, -69.25], [49.25, -69.15], [49.0, -69.25], [48.47, -69.03], [48.25, -68.5], [48.47, -67.97], [48.82, -67.82], [48.85, -67.75], [48.75, -67.5]]]]}, "2016-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.75, -67.5], [48.97, -66.97], [49.5, -66.75], [49.75, -66.85], [50.0, -66.75], [50.25, -66.85], [50.5, -66.75], [50.75, -66.85], [50.88, -66.8], [50.75, -66.5], [50.97, -65.97], [51.5, -65.75], [51.75, -65.85], [51.82, -65.82], [51.97, -65.47], [52.5, -65.25], [52.75, -65.35], [53.0, -65.25], [53.25, -65.35], [53.5, -65.25], [53.75, -65.35], [54.0, -65.25], [54.25, -65.35], [54.5, -65.25], [54.75, -65.35], [55.0, -65.25], [55.53, -65.47], [55.68, -65.82], [55.75, -65.85], [56.0, -65.75], [56.53, -65.97], [56.75, -66.5], [56.53, -67.03], [56.18, -67.18], [56.03, -67.53], [55.5, -67.75], [55.25, -67.65], [55.18, -67.68], [55.03, -68.03], [54.68, -68.18], [54.53, -68.53], [54.0, -68.75], [53.75, -68.65], [53.68, -68.68], [53.53, -69.03], [53.0, -69.25], [52.75, -69.15], [52.5, -69.25], [52.25, -69.15], [52.0, -69.25], [51.75, -69.15], [51.5, -69.25], [51.25, -69.15], [51.0, -69.25], [50.75, -69.15], [50.5, -69.25], [50.25, -69.15], [50.0, -69.25], [49.75, -69.15], [49.5, -69.25], [49.25, -69.15], [49.0, -69.25], [48.47, -69.03], [48.25, -68.5], [48.47, -67.97], [48.82, -67.82], [48.85, -67.75], [48.75, -67.5]]]]}, "2016-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.75, -67.5], [48.97, -66.97], [49.5, -66.75], [49.75, -66.85], [50.0, -66.75], [50.25, -66.85], [50.5, -66.75], [50.75, -66.85], [50.88, -66.8], [50.75, -66.5], [50.97, -65.97], [51.5, -65.75], [51.75, -65.85], [51.82, -65.82], [51.97, -65.47], [52.5, -65.25], [52.75, -65.35], [53.0, -65.25], [53.25, -65.35], [53.5, -65.25], [53.75, -65.35], [54.0, -65.25], [54.25, -65.35], [54.5, -65.25], [54.75, -65.35], [55.0, -65.25], [55.53, -65.47], [55.68, -65.82], [55.75, -65.85], [56.0, -65.75], [56.53, -65.97], [56.75, -66.5], [56.53, -67.03], [56.18, -67.18], [56.03, -67.53], [55.5, -67.75], [55.25, -67.65], [55.18, -67.68], [55.03, -68.03], [54.68, -68.18], [54.53, -68.53], [54.0, -68.75], [53.75, -68.65], [53.68, -68.68], [53.53, -69.03], [53.0, -69.25], [52.75, -69.15], [52.5, -69.25], [52.25, -69.15], [52.0, -69.25], [51.75, -69.15], [51.5, -69.25], [51.25, -69.15], [51.0, -69.25], [50.75, -69.15], [50.5, -69.25], [50.25, -69.15], [50.0, -69.25], [49.75, -69.15], [49.5, -69.25], [49.25, -69.15], [49.0, -69.25], [48.47, -69.03], [48.25, -68.5], [48.47, -67.97], [48.82, -67.82], [48.85, -67.75], [48.75, -67.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.845967034834189}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.778450761957807}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-11.177028496802905, -10.149616036217537, -11.627884243723088]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-3.7963917053258456, -2.920597497614324, -4.309528422417088]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.854517021641128, 5.619630113962054, 3.861205150270245]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.556889541036185, 6.845967034834189, 4.569434788950417]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8248106906475623, 2.125448827864904, 1.4757548618527254]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.212330055157517, 2.5349942668087, 1.9128464549046995]}}