{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:39.918777", "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": "2014-Oct-22_to_2014-Oct-24_296.0_42.5"}, "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": 2014100002609}, "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 22 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 24 2014"}, "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": 104700.12836753622}, "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": ["E.North-America", "N.Atlantic-Ocean"]}, "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": ["North Atlantic Ocean"]}, "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": 42.5}, "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": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, 43.53], [-66.68, 43.68], [-66.53, 44.03], [-66.0, 44.25], [-65.75, 44.15], [-65.5, 44.25], [-65.25, 44.15], [-65.0, 44.25], [-64.75, 44.15], [-64.5, 44.25], [-64.25, 44.15], [-64.0, 44.25], [-63.75, 44.15], [-63.5, 44.25], [-63.25, 44.15], [-63.0, 44.25], [-62.47, 44.03], [-62.32, 43.68], [-62.25, 43.65], [-62.0, 43.75], [-61.75, 43.65], [-61.5, 43.75], [-60.97, 43.53], [-60.82, 43.18], [-60.75, 43.15], [-60.5, 43.25], [-59.97, 43.03], [-59.75, 42.5], [-59.85, 42.25], [-59.75, 42.0], [-59.97, 41.47], [-60.5, 41.25], [-60.75, 41.35], [-60.82, 41.32], [-60.97, 40.97], [-61.5, 40.75], [-62.03, 40.97], [-62.18, 41.32], [-62.25, 41.35], [-62.5, 41.25], [-62.75, 41.35], [-63.0, 41.25], [-63.25, 41.35], [-63.32, 41.32], [-63.47, 40.97], [-64.0, 40.75], [-64.25, 40.85], [-64.5, 40.75], [-65.03, 40.97], [-65.18, 41.32], [-65.25, 41.35], [-65.5, 41.25], [-65.75, 41.35], [-66.0, 41.25], [-66.53, 41.47], [-66.68, 41.82], [-67.03, 41.97], [-67.25, 42.5], [-67.15, 42.75], [-67.25, 43.0], [-67.03, 43.53]]]]}, "2014-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, 43.53], [-66.68, 43.68], [-66.53, 44.03], [-66.0, 44.25], [-65.75, 44.15], [-65.5, 44.25], [-65.25, 44.15], [-65.0, 44.25], [-64.75, 44.15], [-64.5, 44.25], [-64.25, 44.15], [-64.0, 44.25], [-63.75, 44.15], [-63.5, 44.25], [-63.25, 44.15], [-63.0, 44.25], [-62.47, 44.03], [-62.32, 43.68], [-62.25, 43.65], [-62.0, 43.75], [-61.75, 43.65], [-61.5, 43.75], [-60.97, 43.53], [-60.82, 43.18], [-60.75, 43.15], [-60.5, 43.25], [-59.97, 43.03], [-59.75, 42.5], [-59.85, 42.25], [-59.75, 42.0], [-59.97, 41.47], [-60.5, 41.25], [-60.75, 41.35], [-60.82, 41.32], [-60.97, 40.97], [-61.5, 40.75], [-62.03, 40.97], [-62.18, 41.32], [-62.25, 41.35], [-62.5, 41.25], [-62.75, 41.35], [-63.0, 41.25], [-63.25, 41.35], [-63.32, 41.32], [-63.47, 40.97], [-64.0, 40.75], [-64.25, 40.85], [-64.5, 40.75], [-65.03, 40.97], [-65.18, 41.32], [-65.25, 41.35], [-65.5, 41.25], [-65.75, 41.35], [-66.0, 41.25], [-66.53, 41.47], [-66.68, 41.82], [-67.03, 41.97], [-67.25, 42.5], [-67.15, 42.75], [-67.25, 43.0], [-67.03, 43.53]]]]}, "2014-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, 43.53], [-66.68, 43.68], [-66.53, 44.03], [-66.0, 44.25], [-65.75, 44.15], [-65.5, 44.25], [-65.25, 44.15], [-65.0, 44.25], [-64.75, 44.15], [-64.5, 44.25], [-64.25, 44.15], [-64.0, 44.25], [-63.75, 44.15], [-63.5, 44.25], [-63.25, 44.15], [-63.0, 44.25], [-62.47, 44.03], [-62.32, 43.68], [-62.25, 43.65], [-62.0, 43.75], [-61.75, 43.65], [-61.5, 43.75], [-60.97, 43.53], [-60.82, 43.18], [-60.75, 43.15], [-60.5, 43.25], [-59.97, 43.03], [-59.75, 42.5], [-59.85, 42.25], [-59.75, 42.0], [-59.97, 41.47], [-60.5, 41.25], [-60.75, 41.35], [-60.82, 41.32], [-60.97, 40.97], [-61.5, 40.75], [-62.03, 40.97], [-62.18, 41.32], [-62.25, 41.35], [-62.5, 41.25], [-62.75, 41.35], [-63.0, 41.25], [-63.25, 41.35], [-63.32, 41.32], [-63.47, 40.97], [-64.0, 40.75], [-64.25, 40.85], [-64.5, 40.75], [-65.03, 40.97], [-65.18, 41.32], [-65.25, 41.35], [-65.5, 41.25], [-65.75, 41.35], [-66.0, 41.25], [-66.53, 41.47], [-66.68, 41.82], [-67.03, 41.97], [-67.25, 42.5], [-67.15, 42.75], [-67.25, 43.0], [-67.03, 43.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.283468103790881}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.463280627968695}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.26232702572497, 17.876513919473666, 17.346973753151417]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.28148731522373, 21.075100028553663, 20.165913399792487]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.089602566366936, 4.805391249207294, 4.4948480683318595]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.310947679903222, 6.283468103790881, 5.459305774510199]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.557839497911132, 1.8174144055931365, 1.7379645764081924]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.028833197621284, 2.343019457606271, 2.0902651386538955]}}