{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:46.797210", "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": "2010-Sep-27_to_2010-Oct-01_295.0_65.0"}, "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": 2010090002670}, "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": "September 27 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2010"}, "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": 78273.57749161441}, "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": ["Canada"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Davis Strait"]}, "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": 65.0}, "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": 295.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.03, 68.03], [-68.5, 68.25], [-68.25, 68.15], [-68.0, 68.25], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.82, 67.68], [-66.75, 67.65], [-66.5, 67.75], [-65.97, 67.53], [-65.8, 67.13], [-65.5, 67.25], [-65.25, 67.15], [-65.0, 67.25], [-64.75, 67.15], [-64.5, 67.25], [-63.97, 67.03], [-63.75, 66.5], [-63.85, 66.25], [-63.75, 66.0], [-63.96, 65.5], [-63.8, 65.13], [-63.5, 65.25], [-63.25, 65.15], [-63.18, 65.18], [-63.03, 65.53], [-62.68, 65.68], [-62.53, 66.03], [-62.18, 66.18], [-62.03, 66.53], [-61.5, 66.75], [-61.25, 66.65], [-61.0, 66.75], [-60.47, 66.53], [-60.25, 66.0], [-60.47, 65.47], [-60.82, 65.32], [-60.97, 64.97], [-61.32, 64.82], [-61.35, 64.75], [-61.25, 64.5], [-61.35, 64.25], [-61.32, 64.18], [-60.97, 64.03], [-60.75, 63.5], [-60.85, 63.25], [-60.75, 63.0], [-60.97, 62.47], [-61.5, 62.25], [-61.8, 62.38], [-61.97, 61.97], [-62.5, 61.75], [-63.03, 61.97], [-63.25, 62.5], [-63.03, 63.03], [-62.5, 63.25], [-62.75, 63.35], [-63.0, 63.25], [-63.53, 63.47], [-63.68, 63.82], [-64.03, 63.97], [-64.2, 64.38], [-64.5, 64.25], [-64.75, 64.35], [-65.0, 64.25], [-65.25, 64.35], [-65.5, 64.25], [-66.03, 64.47], [-66.18, 64.82], [-66.25, 64.85], [-66.5, 64.75], [-66.75, 64.85], [-67.0, 64.75], [-67.53, 64.97], [-67.68, 65.32], [-68.03, 65.47], [-68.25, 66.0], [-68.12, 66.3], [-68.25, 66.35], [-68.5, 66.25], [-69.03, 66.47], [-69.25, 67.0], [-69.15, 67.25], [-69.25, 67.5], [-69.03, 68.03]], [[-62.2, 63.12], [-62.15, 63.25], [-62.18, 63.32], [-62.25, 63.35], [-62.5, 63.25], [-62.2, 63.12]]]]}, "2010-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, 66.47], [-70.25, 67.0], [-70.03, 67.53], [-69.5, 67.75], [-69.25, 67.65], [-69.18, 67.68], [-69.03, 68.03], [-68.5, 68.25], [-68.25, 68.15], [-68.0, 68.25], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.82, 67.68], [-66.75, 67.65], [-66.5, 67.75], [-65.97, 67.53], [-65.82, 67.18], [-65.75, 67.15], [-65.5, 67.25], [-65.25, 67.15], [-65.0, 67.25], [-64.75, 67.15], [-64.5, 67.25], [-63.97, 67.03], [-63.82, 66.68], [-63.75, 66.65], [-63.5, 66.75], [-62.97, 66.53], [-62.75, 66.0], [-62.85, 65.75], [-62.8, 65.63], [-62.68, 65.68], [-62.53, 66.03], [-62.18, 66.18], [-62.03, 66.53], [-61.5, 66.75], [-61.25, 66.65], [-61.0, 66.75], [-60.47, 66.53], [-60.25, 66.0], [-60.47, 65.47], [-60.82, 65.32], [-60.97, 64.97], [-61.32, 64.82], [-61.35, 64.75], [-61.25, 64.5], [-61.35, 64.25], [-61.32, 64.18], [-60.97, 64.03], [-60.75, 63.5], [-60.85, 63.25], [-60.75, 63.0], [-60.97, 62.47], [-61.5, 62.25], [-61.8, 62.38], [-61.97, 61.97], [-62.5, 61.75], [-63.03, 61.97], [-63.25, 62.5], [-63.03, 63.03], [-62.5, 63.25], [-62.75, 63.35], [-63.0, 63.25], [-63.53, 63.47], [-63.68, 63.82], [-64.03, 63.97], [-64.18, 64.32], [-64.25, 64.35], [-64.5, 64.25], [-64.75, 64.35], [-65.0, 64.25], [-65.25, 64.35], [-65.5, 64.25], [-66.03, 64.47], [-66.18, 64.82], [-66.25, 64.85], [-66.5, 64.75], [-66.75, 64.85], [-67.0, 64.75], [-67.25, 64.85], [-67.5, 64.75], [-68.03, 64.97], [-68.25, 65.5], [-68.15, 65.75], [-68.25, 66.0], [-68.12, 66.3], [-68.25, 66.35], [-68.5, 66.25], [-68.75, 66.35], [-69.0, 66.25], [-69.25, 66.35], [-69.5, 66.25], [-70.03, 66.47]], [[-62.2, 63.12], [-62.15, 63.25], [-62.18, 63.32], [-62.25, 63.35], [-62.5, 63.25], [-62.2, 63.12]]]]}, "2010-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, 66.47], [-70.25, 67.0], [-70.03, 67.53], [-69.5, 67.75], [-69.25, 67.65], [-69.18, 67.68], [-69.03, 68.03], [-68.5, 68.25], [-68.25, 68.15], [-68.0, 68.25], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.82, 67.68], [-66.75, 67.65], [-66.5, 67.75], [-65.97, 67.53], [-65.82, 67.18], [-65.75, 67.15], [-65.5, 67.25], [-65.25, 67.15], [-65.0, 67.25], [-64.75, 67.15], [-64.5, 67.25], [-63.97, 67.03], [-63.82, 66.68], [-63.75, 66.65], [-63.5, 66.75], [-62.97, 66.53], [-62.75, 66.0], [-62.85, 65.75], [-62.8, 65.63], [-62.68, 65.68], [-62.53, 66.03], [-62.18, 66.18], [-62.03, 66.53], [-61.5, 66.75], [-61.25, 66.65], [-61.0, 66.75], [-60.47, 66.53], [-60.25, 66.0], [-60.47, 65.47], [-60.82, 65.32], [-60.97, 64.97], [-61.32, 64.82], [-61.35, 64.75], [-61.25, 64.5], [-61.35, 64.25], [-61.32, 64.18], [-60.97, 64.03], [-60.75, 63.5], [-60.85, 63.25], [-60.75, 63.0], [-60.97, 62.47], [-61.5, 62.25], [-61.75, 62.35], [-61.82, 62.32], [-61.97, 61.97], [-62.5, 61.75], [-63.03, 61.97], [-63.25, 62.5], [-63.12, 62.8], [-63.53, 62.97], [-63.75, 63.5], [-63.65, 63.75], [-63.68, 63.82], [-63.75, 63.85], [-64.0, 63.75], [-64.25, 63.85], [-64.5, 63.75], [-65.03, 63.97], [-65.18, 64.32], [-65.25, 64.35], [-65.5, 64.25], [-66.03, 64.47], [-66.18, 64.82], [-66.25, 64.85], [-66.5, 64.75], [-66.75, 64.85], [-67.0, 64.75], [-67.25, 64.85], [-67.5, 64.75], [-68.03, 64.97], [-68.25, 65.5], [-68.15, 65.75], [-68.25, 66.0], [-68.12, 66.3], [-68.25, 66.35], [-68.5, 66.25], [-68.75, 66.35], [-69.0, 66.25], [-69.25, 66.35], [-69.5, 66.25], [-70.03, 66.47]]]]}, "2010-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, 66.47], [-70.25, 67.0], [-70.03, 67.53], [-69.5, 67.75], [-69.25, 67.65], [-69.18, 67.68], [-69.03, 68.03], [-68.5, 68.25], [-68.25, 68.15], [-68.0, 68.25], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.82, 67.68], [-66.75, 67.65], [-66.5, 67.75], [-65.97, 67.53], [-65.82, 67.18], [-65.75, 67.15], [-65.5, 67.25], [-65.25, 67.15], [-65.0, 67.25], [-64.75, 67.15], [-64.5, 67.25], [-63.97, 67.03], [-63.82, 66.68], [-63.75, 66.65], [-63.5, 66.75], [-62.97, 66.53], [-62.75, 66.0], [-62.85, 65.75], [-62.8, 65.63], [-62.5, 65.75], [-61.97, 65.53], [-61.82, 65.18], [-61.47, 65.03], [-61.25, 64.5], [-61.35, 64.25], [-61.32, 64.18], [-60.97, 64.03], [-60.75, 63.5], [-60.97, 62.97], [-61.32, 62.82], [-61.47, 62.47], [-62.0, 62.25], [-62.53, 62.47], [-62.68, 62.82], [-62.75, 62.85], [-63.0, 62.75], [-63.53, 62.97], [-63.75, 63.5], [-63.65, 63.75], [-63.68, 63.82], [-63.75, 63.85], [-64.0, 63.75], [-64.25, 63.85], [-64.5, 63.75], [-65.03, 63.97], [-65.18, 64.32], [-65.25, 64.35], [-65.5, 64.25], [-66.03, 64.47], [-66.18, 64.82], [-66.25, 64.85], [-66.5, 64.75], [-66.75, 64.85], [-67.0, 64.75], [-67.25, 64.85], [-67.5, 64.75], [-68.03, 64.97], [-68.25, 65.5], [-68.15, 65.75], [-68.25, 66.0], [-68.12, 66.3], [-68.25, 66.35], [-68.5, 66.25], [-68.75, 66.35], [-69.0, 66.25], [-69.25, 66.35], [-69.5, 66.25], [-70.03, 66.47]]]]}, "2010-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.03, 66.53], [-67.5, 66.75], [-67.25, 66.65], [-67.0, 66.75], [-66.75, 66.65], [-66.5, 66.75], [-66.25, 66.65], [-66.0, 66.75], [-65.5, 66.54], [-65.0, 66.75], [-64.75, 66.65], [-64.5, 66.75], [-63.97, 66.53], [-63.82, 66.18], [-63.47, 66.03], [-63.32, 65.68], [-62.97, 65.53], [-62.75, 65.0], [-62.97, 64.47], [-63.32, 64.32], [-63.43, 64.07], [-63.0, 64.25], [-62.75, 64.15], [-62.5, 64.25], [-62.25, 64.15], [-62.0, 64.25], [-61.75, 64.15], [-61.5, 64.25], [-60.97, 64.03], [-60.75, 63.5], [-60.97, 62.97], [-61.32, 62.82], [-61.47, 62.47], [-62.0, 62.25], [-62.53, 62.47], [-62.68, 62.82], [-62.75, 62.85], [-63.0, 62.75], [-63.53, 62.97], [-63.75, 63.5], [-63.57, 63.93], [-64.0, 63.75], [-64.25, 63.85], [-64.5, 63.75], [-65.03, 63.97], [-65.18, 64.32], [-65.53, 64.47], [-65.7, 64.88], [-66.0, 64.75], [-66.5, 64.96], [-67.0, 64.75], [-67.25, 64.85], [-67.5, 64.75], [-68.03, 64.97], [-68.25, 65.5], [-68.15, 65.75], [-68.25, 66.0], [-68.03, 66.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.629661095129961}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.753697959551358}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.4938246906604604, 2.603942010589776, 2.2214842311325924, 1.8456549358275538, 2.087997020490775]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.808612044876725, 4.131759990558123, 4.149004127353862, 3.9474288296507325, 3.6813873442595764]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.4386237692178168, 4.117018710001194, 3.7338640817211615, 4.016808875973878, 2.938298868734453]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.055361068018215, 7.451039876457003, 7.198855491265078, 7.629661095129961, 5.043150045398079]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.554754389494802, 1.6071971442991297, 1.510451684549282, 1.521373795770958, 1.4328914167745965]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0901434123548417, 2.0672202797354995, 1.8343878780679157, 1.8101935346924831, 1.6244001264131398]}}