{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:00.993147", "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-Oct-28_to_2010-Oct-30_293.0_59.5"}, "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": 2010100002657}, "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 28 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 30 2010"}, "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": 75533.2144267333}, "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": ["Hudson 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": 59.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 59.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, 62.5], [-73.53, 63.03], [-73.0, 63.25], [-72.75, 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60.85], [-72.0, 60.75], [-72.53, 60.97], [-72.68, 61.32], [-73.03, 61.47], [-73.18, 61.82], [-73.53, 61.97], [-73.75, 62.5]]]]}, "2010-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, 62.5], [-73.53, 63.03], [-73.0, 63.25], [-72.75, 63.15], [-72.5, 63.25], [-72.25, 63.15], [-72.0, 63.25], [-71.47, 63.03], [-71.32, 62.68], [-71.25, 62.65], [-71.0, 62.75], [-70.47, 62.53], [-70.32, 62.18], [-70.25, 62.15], [-70.0, 62.25], [-69.75, 62.15], [-69.5, 62.25], [-69.25, 62.15], [-69.0, 62.25], [-68.47, 62.03], [-68.32, 61.68], [-68.25, 61.65], [-68.0, 61.75], [-67.75, 61.65], [-67.5, 61.75], [-67.25, 61.65], [-67.0, 61.75], [-66.5, 61.54], [-66.0, 61.75], [-65.47, 61.53], [-65.32, 61.18], [-64.97, 61.03], [-64.75, 60.5], [-64.97, 59.97], [-65.32, 59.82], [-65.35, 59.75], [-65.25, 59.5], [-65.47, 58.97], [-66.0, 58.75], [-66.25, 58.85], [-66.5, 58.75], [-66.75, 58.85], [-67.0, 58.75], [-67.25, 58.85], [-67.5, 58.75], [-67.75, 58.85], [-68.0, 58.75], [-68.25, 58.85], [-68.5, 58.75], [-68.75, 58.85], [-69.0, 58.75], [-69.25, 58.85], [-69.5, 58.75], [-70.03, 58.97], [-70.25, 59.5], [-70.15, 59.75], [-70.18, 59.82], [-70.53, 59.97], [-70.68, 60.32], [-70.75, 60.35], [-71.0, 60.25], [-71.53, 60.47], [-71.68, 60.82], [-71.75, 60.85], [-72.0, 60.75], [-72.53, 60.97], [-72.68, 61.32], [-73.03, 61.47], [-73.18, 61.82], [-73.53, 61.97], [-73.75, 62.5]]]]}, "2010-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, 62.5], [-73.53, 63.03], [-73.0, 63.25], [-72.75, 63.15], [-72.5, 63.25], [-72.25, 63.15], [-72.0, 63.25], [-71.47, 63.03], [-71.32, 62.68], [-71.25, 62.65], [-71.0, 62.75], [-70.47, 62.53], [-70.32, 62.18], [-70.25, 62.15], [-70.0, 62.25], [-69.75, 62.15], [-69.5, 62.25], [-69.25, 62.15], [-69.0, 62.25], [-68.47, 62.03], [-68.32, 61.68], [-68.25, 61.65], [-68.0, 61.75], [-67.75, 61.65], [-67.5, 61.75], [-67.25, 61.65], [-67.0, 61.75], [-66.5, 61.54], [-66.0, 61.75], [-65.47, 61.53], [-65.32, 61.18], [-64.97, 61.03], 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"The daily evolution of mean t2m.", "value": [1.7225267790759062, 1.853815464240256, 1.2060060012591975]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.554074911251803, 3.195717878872813, 2.5364708420260627]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.079698259617238, 3.4405223291989024, 2.9841510342892796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.128552875047205, 6.158971165145715, 5.982807158790308]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5287140801977843, 1.7154222007431918, 1.4863510485222446]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7228036697703093, 2.073484287328317, 1.7565406356958653]}}