{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:41.245407", "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": "2019-Oct-01_to_2019-Oct-05_49.0_-69.0"}, "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": 2019100001009}, "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": "October 01 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2019"}, "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": 178402.68133897087}, "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": -69.0}, "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": 49.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 56.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -71.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -66.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -71.53], [38.75, -71.0], [38.97, -70.47], [39.5, -70.25], [39.75, -70.35], [40.0, -70.25], [40.25, -70.35], [40.32, -70.32], [40.47, -69.97], [41.0, -69.75], [41.25, -69.85], [41.5, -69.75], [41.75, -69.85], [41.82, -69.82], [41.97, -69.47], [42.32, -69.32], [42.47, -68.97], [43.0, -68.75], [43.25, -68.85], [43.32, -68.82], [43.47, -68.47], [43.82, -68.32], [43.97, -67.97], [44.5, -67.75], [44.75, -67.85], [45.0, -67.75], [45.25, -67.85], [45.5, -67.75], [45.75, -67.85], [46.0, -67.75], [46.25, -67.85], [46.5, -67.75], [46.75, -67.85], [47.0, -67.75], [47.25, -67.85], [47.5, -67.75], [48.03, -67.97], [48.18, -68.32], [48.25, -68.35], [48.32, -68.32], [48.47, -67.97], [49.0, -67.75], [49.25, -67.85], [49.5, -67.75], [49.75, -67.85], [50.0, -67.75], [50.25, -67.85], [50.5, -67.75], [50.75, -67.85], [51.0, -67.75], [51.25, -67.85], [51.5, -67.75], [52.03, -67.97], [52.18, -68.32], [52.25, -68.35], [52.5, -68.25], [52.75, -68.35], [53.0, -68.25], [53.25, -68.35], [53.32, -68.32], [53.47, -67.97], [54.0, -67.75], [54.25, -67.85], [54.5, -67.75], [54.75, -67.85], [55.0, -67.75], [55.53, -67.97], [55.68, -68.32], [55.75, -68.35], [56.0, -68.25], [56.25, -68.35], [56.5, -68.25], [57.03, -68.47], [57.25, -69.0], [57.03, -69.53], [56.5, -69.75], [56.25, -69.65], [56.18, -69.68], [56.03, -70.03], [55.5, -70.25], [55.25, -70.15], [55.0, -70.25], [54.75, -70.15], [54.68, -70.18], [54.53, -70.53], [54.0, -70.75], [53.75, -70.65], [53.68, -70.68], [53.53, -71.03], [53.0, -71.25], [52.75, -71.15], [52.5, -71.25], [52.25, -71.15], [52.0, -71.25], [51.75, -71.15], [51.5, -71.25], [51.25, -71.15], [51.0, -71.25], [50.75, -71.15], [50.5, -71.25], [50.25, -71.15], [50.18, -71.18], [50.03, -71.53], [49.5, -71.75], [49.25, -71.65], [49.0, -71.75], [48.75, -71.65], [48.5, -71.75], [48.25, -71.65], [48.18, -71.68], [48.03, -72.03], [47.5, -72.25], [47.25, -72.15], [47.0, -72.25], [46.75, -72.15], [46.5, -72.25], [46.25, -72.15], [46.0, -72.25], [45.75, -72.15], [45.5, -72.25], [45.25, -72.15], [45.0, -72.25], [44.75, -72.15], [44.5, -72.25], [44.25, -72.15], [44.0, -72.25], [43.75, -72.15], [43.5, -72.25], [42.97, -72.03], [42.82, -71.68], [42.75, -71.65], [42.5, -71.75], [42.25, -71.65], [42.0, -71.75], [41.75, -71.65], [41.5, -71.75], [41.25, -71.65], [41.0, -71.75], [40.75, -71.65], [40.5, -71.75], [40.25, -71.65], [40.0, -71.75], [39.75, -71.65], [39.5, -71.75], [38.97, -71.53]]]]}, "2019-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -71.53], [38.75, -71.0], [38.97, -70.47], [39.5, -70.25], [39.75, -70.35], [40.0, -70.25], [40.25, -70.35], [40.32, -70.32], [40.47, -69.97], [41.0, -69.75], [41.25, -69.85], [41.5, -69.75], [41.75, -69.85], [41.82, -69.82], [41.97, -69.47], [42.32, -69.32], [42.47, -68.97], [43.0, -68.75], [43.25, -68.85], [43.32, -68.82], [43.47, -68.47], [43.82, -68.32], [43.97, -67.97], [44.5, -67.75], [44.75, -67.85], [45.0, -67.75], [45.25, -67.85], [45.5, -67.75], [45.75, -67.85], [46.0, -67.75], [46.25, -67.85], [46.5, -67.75], [46.75, -67.85], [47.0, -67.75], [47.25, -67.85], [47.5, -67.75], [48.03, -67.97], [48.18, -68.32], [48.25, -68.35], [48.32, -68.32], [48.47, -67.97], [49.0, -67.75], [49.25, -67.85], [49.32, -67.82], [49.47, -67.47], [49.82, -67.32], [49.97, -66.97], [50.5, -66.75], [50.75, -66.85], [51.0, -66.75], [51.25, -66.85], [51.5, -66.75], [51.75, -66.85], [52.0, -66.75], [52.25, -66.85], [52.5, -66.75], [52.75, -66.85], [52.82, -66.82], [52.97, -66.47], [53.5, -66.25], [54.03, -66.47], [54.18, -66.82], [54.53, -66.97], [54.75, -67.5], [54.63, -67.8], [54.75, -67.85], [55.0, -67.75], [55.53, -67.97], [55.68, -68.32], [55.75, -68.35], [56.0, -68.25], [56.25, -68.35], [56.5, -68.25], [57.03, -68.47], [57.25, -69.0], [57.03, -69.53], [56.5, -69.75], [56.25, -69.65], [56.18, -69.68], [56.03, -70.03], [55.5, -70.25], [55.25, -70.15], [55.0, -70.25], [54.75, -70.15], [54.68, -70.18], [54.53, -70.53], [54.0, -70.75], [53.75, -70.65], [53.68, -70.68], [53.53, -71.03], [53.0, -71.25], [52.75, -71.15], [52.5, -71.25], [52.25, -71.15], [52.0, -71.25], [51.75, -71.15], [51.5, -71.25], [51.25, -71.15], [51.0, -71.25], [50.75, -71.15], [50.5, -71.25], [50.25, -71.15], [50.18, -71.18], [50.03, -71.53], [49.5, -71.75], [49.25, -71.65], [49.0, -71.75], [48.75, -71.65], [48.5, -71.75], [48.25, -71.65], [48.18, -71.68], [48.03, -72.03], [47.5, -72.25], [47.25, -72.15], [47.0, -72.25], [46.75, -72.15], [46.5, -72.25], [46.25, -72.15], [46.0, -72.25], [45.75, -72.15], [45.5, -72.25], [45.25, -72.15], [45.0, -72.25], [44.75, -72.15], [44.5, -72.25], [44.25, -72.15], [44.0, -72.25], [43.75, -72.15], [43.5, -72.25], [42.97, -72.03], [42.82, -71.68], [42.75, -71.65], [42.5, -71.75], [42.25, -71.65], [42.0, -71.75], [41.75, -71.65], [41.5, -71.75], [41.25, -71.65], [41.0, -71.75], [40.75, -71.65], [40.5, -71.75], [40.25, -71.65], [40.0, -71.75], [39.75, -71.65], [39.5, -71.75], [38.97, -71.53]]]]}, "2019-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -71.53], [38.75, -71.0], [38.97, -70.47], [39.5, -70.25], [39.75, -70.35], [40.0, -70.25], [40.25, -70.35], [40.32, -70.32], [40.47, -69.97], [41.0, -69.75], [41.25, -69.85], [41.5, -69.75], [41.75, -69.85], [41.82, -69.82], [41.97, -69.47], [42.32, -69.32], [42.47, -68.97], [43.0, -68.75], [43.25, -68.85], [43.32, -68.82], [43.47, -68.47], [43.82, -68.32], [43.97, -67.97], [44.5, -67.75], [44.75, -67.85], [45.0, -67.75], [45.25, -67.85], [45.5, -67.75], [45.75, -67.85], [46.0, -67.75], [46.25, -67.85], [46.5, -67.75], [46.75, -67.85], [47.0, -67.75], [47.25, -67.85], [47.5, -67.75], [48.03, -67.97], [48.18, -68.32], [48.25, -68.35], [48.32, -68.32], [48.47, -67.97], [49.0, -67.75], [49.25, -67.85], [49.32, -67.82], [49.47, -67.47], [49.82, -67.32], [49.97, -66.97], [50.5, -66.75], [50.75, -66.85], [51.0, -66.75], [51.25, -66.85], [51.5, -66.75], [51.75, -66.85], [52.0, -66.75], [52.25, -66.85], [52.5, -66.75], [52.75, -66.85], [52.82, -66.82], [52.97, -66.47], [53.5, -66.25], [54.03, -66.47], [54.18, -66.82], [54.53, -66.97], [54.75, -67.5], [54.63, -67.8], [54.75, -67.85], [55.0, -67.75], [55.53, -67.97], [55.68, -68.32], [55.75, -68.35], [56.0, -68.25], [56.25, -68.35], [56.5, -68.25], [57.03, -68.47], [57.25, -69.0], [57.03, -69.53], [56.5, -69.75], [56.25, -69.65], [56.18, -69.68], [56.03, -70.03], [55.5, -70.25], [55.25, -70.15], [55.0, -70.25], [54.75, -70.15], [54.68, -70.18], [54.53, -70.53], [54.0, -70.75], [53.75, -70.65], [53.68, -70.68], [53.53, -71.03], [53.0, -71.25], [52.75, -71.15], [52.5, -71.25], [52.25, -71.15], [52.0, -71.25], [51.75, -71.15], [51.5, -71.25], [51.25, -71.15], [51.0, -71.25], [50.75, -71.15], [50.5, -71.25], [50.25, -71.15], [50.18, -71.18], [50.03, -71.53], [49.5, -71.75], [49.25, -71.65], [49.0, -71.75], [48.75, -71.65], [48.5, -71.75], [48.25, -71.65], [48.18, -71.68], [48.03, -72.03], [47.5, -72.25], [47.25, -72.15], [47.0, -72.25], [46.75, -72.15], [46.5, -72.25], [46.25, -72.15], [46.0, -72.25], [45.75, -72.15], [45.5, -72.25], [45.25, -72.15], [45.0, -72.25], [44.75, -72.15], [44.5, -72.25], [44.25, -72.15], [44.0, -72.25], [43.75, -72.15], [43.5, -72.25], [42.97, -72.03], [42.82, -71.68], [42.75, -71.65], [42.5, -71.75], [42.25, -71.65], [42.0, -71.75], [41.75, -71.65], [41.5, -71.75], [41.25, -71.65], [41.0, -71.75], [40.75, -71.65], [40.5, -71.75], [40.25, -71.65], [40.0, -71.75], [39.75, -71.65], [39.5, -71.75], [38.97, -71.53]]]]}, "2019-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.75, -70.5], [40.97, -69.97], [41.5, -69.75], [41.75, -69.85], [41.82, -69.82], [41.97, -69.47], [42.32, -69.32], [42.47, -68.97], [43.0, -68.75], [43.25, -68.85], [43.32, -68.82], [43.47, -68.47], [43.82, -68.32], [43.97, -67.97], [44.5, -67.75], [44.75, -67.85], [45.0, -67.75], [45.25, -67.85], [45.5, -67.75], [45.75, -67.85], [46.0, -67.75], [46.25, -67.85], [46.5, -67.75], [46.75, -67.85], [47.0, -67.75], [47.25, -67.85], [47.5, -67.75], [48.03, -67.97], [48.25, -68.5], [48.03, -69.03], [47.5, -69.25], [47.25, -69.15], [47.0, -69.25], [46.75, -69.15], [46.5, -69.25], [46.25, -69.15], [46.0, -69.25], [45.75, -69.15], [45.5, -69.25], [45.25, -69.15], [45.0, -69.25], [45.53, -69.47], [45.75, -70.0], [45.53, -70.53], [45.0, -70.75], [44.47, -70.53], [44.3, -70.12], [44.0, -70.25], [43.75, -70.15], [43.68, -70.18], [43.53, -70.53], [43.18, -70.68], [43.03, -71.03], [42.5, -71.25], [42.25, -71.15], [42.0, -71.25], [41.75, -71.15], [41.5, -71.25], [40.97, -71.03], [40.75, -70.5]], [[44.75, -69.15], [44.68, -69.18], [44.65, -69.25], [44.7, -69.37], [45.0, -69.25], [44.75, -69.15]]], [[[49.25, -67.85], [49.32, -67.82], [49.47, -67.47], [49.82, -67.32], [49.97, -66.97], [50.5, -66.75], [50.75, -66.85], [51.0, -66.75], [51.25, -66.85], [51.5, -66.75], [51.75, -66.85], [52.0, -66.75], [52.25, -66.85], [52.5, -66.75], [52.75, -66.85], [52.82, -66.82], [52.97, -66.47], [53.5, -66.25], [54.03, -66.47], [54.18, -66.82], [54.53, -66.97], [54.75, -67.5], [54.53, -68.03], [54.18, -68.18], [54.03, -68.53], [53.5, -68.75], [53.25, -68.65], [53.18, -68.68], [53.03, -69.03], [52.5, -69.25], [52.25, -69.15], [52.0, -69.25], [51.75, -69.15], [51.68, -69.18], [51.53, -69.53], [51.0, -69.75], [50.75, -69.65], [50.5, -69.75], [50.25, -69.65], [50.0, -69.75], [49.75, -69.65], [49.5, -69.75], [49.25, -69.65], [49.0, -69.75], [48.47, -69.53], [48.25, -69.0], [48.35, -68.75], [48.25, -68.5], [48.47, -67.97], [49.0, -67.75], [49.25, -67.85]]]]}, "2019-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.75, -67.85], [45.0, -67.75], [45.25, -67.85], [45.5, -67.75], [45.75, -67.85], [46.0, -67.75], [46.25, -67.85], [46.5, -67.75], [46.75, -67.85], [47.0, -67.75], [47.25, -67.85], [47.5, -67.75], [48.03, -67.97], [48.25, -68.5], [48.03, -69.03], [47.5, -69.25], [47.25, -69.15], [47.0, -69.25], [46.75, -69.15], [46.5, -69.25], [46.25, -69.15], [46.0, -69.25], [45.75, -69.15], [45.5, -69.25], [45.25, -69.15], [45.0, -69.25], [44.75, -69.15], [44.68, -69.18], [44.53, -69.53], [44.0, -69.75], [43.47, -69.53], [43.25, -69.0], [43.47, -68.47], [43.82, -68.32], [43.97, -67.97], [44.5, -67.75], [44.75, -67.85]]], [[[49.25, -67.85], [49.5, -67.75], [50.03, -67.97], [50.25, -68.5], [50.03, -69.03], [49.68, -69.18], [49.53, -69.53], [49.0, -69.75], [48.47, -69.53], [48.25, -69.0], [48.35, -68.75], [48.25, -68.5], [48.47, -67.97], [49.0, -67.75], [49.25, -67.85]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.165417753047109}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.867608812852021}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-27.50183889706838, -25.59078873705704, -26.558170733102514, -21.596304751918694, -19.571026801477643]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-17.997801565752326, -14.7011447468617, -15.840436027380576, -14.878954502195995, -18.19777247001562]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.673316028860125, 8.665726090333273, 7.692054314013087, 6.497794564122865, 6.921871329438434]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.35870176780449, 10.165417753047109, 8.915639231875218, 7.418586837000248, 7.726677868564678]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6938440572800229, 1.9157308855772321, 1.6454024763497104, 1.460710213947854, 1.5447858045486598]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0096876718170353, 2.1857286882365727, 1.8666425383214975, 1.6437947620660556, 1.6918488394764537]}}