{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:05.731101", "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-Jun-26_to_2010-Jul-01_292.5_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": 2010060002735}, "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 26 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 01 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 89267.7579615778}, "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": 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": 292.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 61.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, 65.5], [-65.53, 66.03], [-65.0, 66.25], [-64.75, 66.15], [-64.5, 66.25], [-64.2, 66.13], [-64.03, 66.53], [-63.5, 66.75], [-63.25, 66.65], [-63.0, 66.75], [-62.75, 66.65], [-62.5, 66.75], [-61.97, 66.53], [-61.75, 66.0], [-61.97, 65.47], [-62.5, 65.25], [-62.75, 65.35], [-63.0, 65.25], [-63.25, 65.35], [-63.5, 65.25], [-63.8, 65.38], [-63.97, 64.97], [-64.5, 64.75], [-64.75, 64.85], [-65.0, 64.75], [-65.53, 64.97], [-65.75, 65.5]]], [[[-70.75, 67.0], [-70.53, 67.53], [-70.0, 67.75], [-69.75, 67.65], [-69.5, 67.75], [-69.25, 67.65], [-69.0, 67.75], [-68.75, 67.65], [-68.5, 67.75], [-68.25, 67.65], [-68.0, 67.75], [-67.75, 67.65], [-67.5, 67.75], [-67.25, 67.65], [-67.0, 67.75], [-66.75, 67.65], [-66.5, 67.75], [-65.97, 67.53], [-65.75, 67.0], [-65.85, 66.75], [-65.75, 66.5], [-65.97, 65.97], [-66.5, 65.75], [-66.75, 65.85], [-67.0, 65.75], [-67.25, 65.85], [-67.5, 65.75], [-67.75, 65.85], [-68.0, 65.75], [-68.25, 65.85], [-68.5, 65.75], [-69.03, 65.97], [-69.18, 66.32], [-69.25, 66.35], [-69.5, 66.25], [-69.75, 66.35], [-70.0, 66.25], [-70.53, 66.47], [-70.75, 67.0]]]]}, "2010-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, 65.5], [-65.53, 66.03], [-65.0, 66.25], [-64.75, 66.15], [-64.5, 66.25], [-64.2, 66.13], [-64.03, 66.53], [-63.5, 66.75], [-63.25, 66.65], [-63.0, 66.75], [-62.75, 66.65], [-62.5, 66.75], [-61.97, 66.53], [-61.75, 66.0], [-61.97, 65.47], [-62.5, 65.25], [-62.75, 65.35], [-63.0, 65.25], [-63.25, 65.35], [-63.5, 65.25], [-63.8, 65.38], [-63.97, 64.97], [-64.5, 64.75], [-64.75, 64.85], [-65.0, 64.75], [-65.53, 64.97], [-65.75, 65.5]]], [[[-70.75, 67.0], [-70.53, 67.53], [-70.0, 67.75], [-69.75, 67.65], [-69.68, 67.68], [-69.53, 68.03], [-69.18, 68.18], [-69.03, 68.53], [-68.5, 68.75], [-67.97, 68.53], [-67.82, 68.18], [-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], [-65.75, 67.0], [-65.85, 66.75], [-65.75, 66.5], [-65.97, 65.97], [-66.5, 65.75], [-66.75, 65.85], [-67.0, 65.75], [-67.25, 65.85], [-67.5, 65.75], [-67.75, 65.85], [-68.0, 65.75], [-68.25, 65.85], [-68.5, 65.75], [-69.03, 65.97], [-69.18, 66.32], [-69.25, 66.35], [-69.5, 66.25], [-69.75, 66.35], [-70.0, 66.25], [-70.53, 66.47], [-70.75, 67.0]]]]}, "2010-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, 68.53], [-69.5, 68.75], [-69.25, 68.65], [-69.0, 68.75], [-68.75, 68.65], [-68.5, 68.75], [-67.97, 68.53], [-67.82, 68.18], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.82, 67.68], [-66.75, 67.65], [-66.5, 67.75], [-66.25, 67.65], [-66.0, 67.75], [-65.47, 67.53], [-65.32, 67.18], [-64.97, 67.03], [-64.75, 66.5], [-64.85, 66.25], [-64.82, 66.18], [-64.75, 66.15], [-64.68, 66.18], [-64.53, 66.53], [-64.0, 66.75], [-63.75, 66.65], [-63.5, 66.75], [-63.25, 66.65], [-63.0, 66.75], [-62.75, 66.65], [-62.5, 66.75], [-61.97, 66.53], [-61.75, 66.0], [-61.97, 65.47], [-62.5, 65.25], [-62.75, 65.35], [-63.0, 65.25], [-63.25, 65.35], [-63.5, 65.25], [-63.75, 65.35], [-63.82, 65.32], [-63.97, 64.97], [-64.37, 64.8], [-64.25, 64.5], [-64.35, 64.25], [-64.25, 64.0], [-64.35, 63.75], [-64.25, 63.5], [-64.47, 62.97], [-64.82, 62.82], [-64.97, 62.47], [-65.5, 62.25], [-66.03, 62.47], [-66.25, 63.0], [-66.15, 63.25], [-66.25, 63.5], [-66.15, 63.75], [-66.18, 63.82], [-66.25, 63.85], [-66.5, 63.75], [-67.03, 63.97], [-67.18, 64.32], [-67.43, 64.43], [-67.25, 64.0], [-67.35, 63.75], [-67.25, 63.5], [-67.47, 62.97], [-68.0, 62.75], [-68.53, 62.97], [-68.68, 63.32], [-69.03, 63.47], [-69.25, 64.0], [-69.03, 64.53], [-68.5, 64.75], [-68.25, 64.65], [-68.0, 64.75], [-68.53, 64.97], [-68.75, 65.5], [-68.65, 65.75], [-68.68, 65.82], [-69.03, 65.97], [-69.18, 66.32], [-69.25, 66.35], [-69.5, 66.25], [-69.75, 66.35], [-70.0, 66.25], [-70.53, 66.47], [-70.75, 67.0], [-70.53, 67.53], [-70.12, 67.7], [-70.25, 68.0], [-70.03, 68.53]], [[-67.57, 64.57], [-67.68, 64.82], [-67.75, 64.85], [-68.0, 64.75], [-67.57, 64.57]]]]}, "2010-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, 68.53], [-69.5, 68.75], [-69.25, 68.65], [-69.0, 68.75], [-68.75, 68.65], [-68.5, 68.75], [-67.97, 68.53], [-67.82, 68.18], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.82, 67.68], [-66.75, 67.65], [-66.5, 67.75], [-66.25, 67.65], [-66.0, 67.75], [-65.47, 67.53], [-65.32, 67.18], [-64.97, 67.03], [-64.75, 66.5], [-64.85, 66.25], [-64.82, 66.18], [-64.75, 66.15], [-64.68, 66.18], [-64.53, 66.53], [-64.0, 66.75], [-63.75, 66.65], [-63.5, 66.75], [-62.97, 66.53], [-62.75, 66.0], [-62.97, 65.47], [-63.5, 65.25], [-63.75, 65.35], [-63.82, 65.32], [-63.97, 64.97], [-64.37, 64.8], [-64.32, 64.68], [-63.97, 64.53], [-63.75, 64.0], [-63.85, 63.75], [-63.75, 63.5], [-63.97, 62.97], [-64.5, 62.75], [-64.75, 62.85], [-64.82, 62.82], [-64.97, 62.47], [-65.32, 62.32], [-65.47, 61.97], [-65.82, 61.82], [-65.97, 61.47], [-66.5, 61.25], [-67.03, 61.47], [-67.18, 61.82], [-67.25, 61.85], [-67.5, 61.75], [-67.75, 61.85], [-68.0, 61.75], [-68.53, 61.97], [-68.75, 62.5], [-68.54, 63.0], [-68.68, 63.32], [-69.03, 63.47], [-69.25, 64.0], [-69.03, 64.53], [-68.5, 64.75], [-68.25, 64.65], [-68.0, 64.75], [-68.53, 64.97], [-68.75, 65.5], [-68.65, 65.75], [-68.75, 66.0], [-68.65, 66.25], [-68.68, 66.32], [-68.75, 66.35], [-69.0, 66.25], [-69.25, 66.35], [-69.5, 66.25], [-70.03, 66.47], [-70.25, 67.0], [-70.04, 67.5], [-70.25, 68.0], [-70.03, 68.53]], [[-67.57, 64.57], [-67.68, 64.82], [-67.75, 64.85], [-68.0, 64.75], [-67.57, 64.57]], [[-67.43, 64.43], [-67.3, 64.13], [-67.12, 64.2], [-67.18, 64.32], [-67.43, 64.43]]]]}, "2010-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, 67.47], [-70.25, 68.0], [-70.03, 68.53], [-69.5, 68.75], [-69.25, 68.65], [-69.0, 68.75], [-68.75, 68.65], [-68.5, 68.75], [-67.97, 68.53], [-67.82, 68.18], [-67.75, 68.15], [-67.5, 68.25], [-66.97, 68.03], [-66.8, 67.63], [-66.5, 67.75], [-66.25, 67.65], [-66.0, 67.75], [-65.47, 67.53], [-65.32, 67.18], [-64.97, 67.03], [-64.75, 66.5], [-64.85, 66.25], [-64.82, 66.18], [-64.75, 66.15], [-64.68, 66.18], [-64.53, 66.53], [-64.0, 66.75], [-63.47, 66.53], [-63.25, 66.0], [-63.47, 65.47], [-63.82, 65.32], [-63.97, 64.97], [-64.37, 64.8], [-64.32, 64.68], [-63.97, 64.53], [-63.75, 64.0], [-63.85, 63.75], [-63.75, 63.5], [-63.97, 62.97], [-64.5, 62.75], [-64.75, 62.85], [-64.82, 62.82], [-64.97, 62.47], [-65.32, 62.32], [-65.47, 61.97], [-65.82, 61.82], [-65.97, 61.47], [-66.5, 61.25], [-67.03, 61.47], [-67.18, 61.82], [-67.25, 61.85], [-67.5, 61.75], [-67.75, 61.85], [-68.0, 61.75], [-68.53, 61.97], [-68.75, 62.5], [-68.54, 63.0], [-68.68, 63.32], [-69.03, 63.47], [-69.25, 64.0], [-69.03, 64.53], [-68.5, 64.75], [-68.25, 64.65], [-68.0, 64.75], [-68.53, 64.97], [-68.75, 65.5], [-68.65, 65.75], [-68.75, 66.0], [-68.53, 66.53], [-68.18, 66.68], [-68.12, 66.8], [-68.53, 66.97], [-68.68, 67.32], [-68.75, 67.35], [-69.0, 67.25], [-69.25, 67.35], [-69.5, 67.25], [-70.03, 67.47]], [[-67.57, 64.57], [-67.68, 64.82], [-67.75, 64.85], [-68.0, 64.75], [-67.57, 64.57]], [[-67.43, 64.43], [-67.3, 64.13], [-67.12, 64.2], [-67.18, 64.32], [-67.43, 64.43]]]]}, "2010-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.68, 63.68], [-67.53, 64.03], [-67.0, 64.25], [-67.53, 64.47], [-67.75, 65.0], [-67.65, 65.25], [-67.68, 65.32], [-68.03, 65.47], [-68.25, 66.0], [-68.03, 66.53], [-67.5, 66.75], [-67.25, 66.65], [-67.0, 66.75], [-66.75, 66.65], [-66.5, 66.75], [-65.97, 66.53], [-65.82, 66.18], [-65.47, 66.03], [-65.25, 65.5], [-65.35, 65.25], [-65.32, 65.18], [-65.25, 65.15], [-65.0, 65.25], [-64.47, 65.03], [-64.32, 64.68], [-63.97, 64.53], [-63.75, 64.0], [-63.85, 63.75], [-63.75, 63.5], [-63.97, 62.97], [-64.5, 62.75], [-64.75, 62.85], [-64.82, 62.82], [-64.97, 62.47], [-65.32, 62.32], [-65.47, 61.97], [-65.82, 61.82], [-65.97, 61.47], [-66.5, 61.25], [-67.03, 61.47], [-67.18, 61.82], [-67.25, 61.85], [-67.5, 61.75], [-67.75, 61.85], [-68.0, 61.75], [-68.53, 61.97], [-68.75, 62.5], [-68.53, 63.03], [-68.18, 63.18], [-68.03, 63.53], [-67.68, 63.68]], [[-66.75, 64.15], [-66.62, 64.2], [-66.68, 64.32], [-66.75, 64.35], [-67.0, 64.25], [-66.75, 64.15]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.097936736382223}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.67016714452748}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.836131773713987, 8.792054712904985, 8.492160086239949, 8.582040655697256, 8.273375954282926, 7.0314897160589]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.766981115255703, 12.477941596236349, 13.24700644964338, 13.104840970297062, 12.755333623920535, 10.96110461388156]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.705518726710052, 4.768845108020183, 4.751299788722105, 4.763359042263656, 4.628511427709495, 3.7647808723463516]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.890620087404784, 6.4939519205181, 7.245001860486411, 8.097936736382223, 7.536092872616962, 6.126418701307728]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.1115147464473387, 1.7558712226605733, 1.919425623411158, 2.0120075620718865, 2.103375768271138, 1.837543348665053]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.948280427018061, 2.1849890049229375, 2.8738695854803784, 2.972103032547159, 3.3013642151574762, 2.3691679045598395]}}