{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:13.059651", "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": "2017-Oct-08_to_2017-Oct-10_290.0_50.0"}, "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": 2017100001633}, "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 08 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 2017"}, "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": 63303.162883853474}, "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": []}, "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": 50.0}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, 51.5], [-71.53, 52.03], [-71.0, 52.25], [-70.75, 52.15], [-70.5, 52.25], [-70.25, 52.15], [-70.18, 52.18], [-70.15, 52.25], [-70.25, 52.5], [-70.03, 53.03], [-69.5, 53.25], [-69.25, 53.15], [-69.0, 53.25], [-68.75, 53.15], [-68.68, 53.18], [-68.53, 53.53], [-68.0, 53.75], [-67.75, 53.65], [-67.5, 53.75], [-67.25, 53.65], [-67.0, 53.75], [-66.47, 53.53], [-66.25, 53.0], [-66.35, 52.75], [-66.25, 52.5], [-66.37, 52.2], [-65.97, 52.03], [-65.75, 51.5], [-65.97, 50.97], [-66.5, 50.75], [-66.75, 50.85], [-67.0, 50.75], [-67.25, 50.85], [-67.5, 50.75], [-67.75, 50.85], [-68.0, 50.75], [-68.25, 50.85], [-68.5, 50.75], [-68.75, 50.85], [-68.87, 50.8], [-68.75, 50.5], [-68.97, 49.97], [-69.32, 49.82], [-69.47, 49.47], [-70.0, 49.25], [-70.25, 49.35], [-70.5, 49.25], [-71.03, 49.47], [-71.18, 49.82], [-71.25, 49.85], [-71.5, 49.75], [-72.03, 49.97], [-72.25, 50.5], [-72.03, 51.03], [-71.68, 51.18], [-71.65, 51.25], [-71.75, 51.5]]]]}, "2017-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, 51.5], [-71.53, 52.03], [-71.0, 52.25], [-70.75, 52.15], [-70.5, 52.25], [-70.25, 52.15], [-70.18, 52.18], [-70.15, 52.25], [-70.25, 52.5], [-70.03, 53.03], [-69.5, 53.25], [-69.25, 53.15], [-69.0, 53.25], [-68.75, 53.15], [-68.68, 53.18], [-68.53, 53.53], [-68.0, 53.75], [-67.75, 53.65], [-67.5, 53.75], [-67.25, 53.65], [-67.0, 53.75], [-66.47, 53.53], [-66.25, 53.0], [-66.35, 52.75], [-66.25, 52.5], [-66.37, 52.2], [-65.97, 52.03], [-65.75, 51.5], [-65.97, 50.97], [-66.5, 50.75], [-66.75, 50.85], [-67.0, 50.75], [-67.25, 50.85], [-67.5, 50.75], [-67.75, 50.85], [-68.0, 50.75], [-68.25, 50.85], [-68.5, 50.75], [-68.75, 50.85], [-68.87, 50.8], [-68.75, 50.5], [-68.97, 49.97], [-69.32, 49.82], [-69.47, 49.47], [-70.0, 49.25], [-70.25, 49.35], [-70.5, 49.25], [-71.03, 49.47], [-71.18, 49.82], [-71.25, 49.85], [-71.5, 49.75], [-72.03, 49.97], [-72.25, 50.5], [-72.03, 51.03], [-71.68, 51.18], [-71.65, 51.25], [-71.75, 51.5]]]]}, "2017-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.75, 51.5], [-71.53, 52.03], [-71.0, 52.25], [-70.75, 52.15], [-70.5, 52.25], [-70.25, 52.15], [-70.18, 52.18], [-70.15, 52.25], [-70.25, 52.5], [-70.03, 53.03], [-69.5, 53.25], [-69.25, 53.15], [-69.0, 53.25], [-68.75, 53.15], [-68.68, 53.18], [-68.53, 53.53], [-68.0, 53.75], [-67.75, 53.65], [-67.5, 53.75], [-67.25, 53.65], [-67.0, 53.75], [-66.47, 53.53], [-66.25, 53.0], [-66.35, 52.75], [-66.25, 52.5], [-66.37, 52.2], [-65.97, 52.03], [-65.75, 51.5], [-65.97, 50.97], [-66.5, 50.75], [-66.75, 50.85], [-67.0, 50.75], [-67.25, 50.85], [-67.5, 50.75], [-67.75, 50.85], [-68.0, 50.75], [-68.25, 50.85], [-68.5, 50.75], [-68.75, 50.85], [-68.87, 50.8], [-68.75, 50.5], [-68.97, 49.97], [-69.32, 49.82], [-69.47, 49.47], [-70.0, 49.25], [-70.25, 49.35], [-70.5, 49.25], [-71.03, 49.47], [-71.18, 49.82], [-71.25, 49.85], [-71.5, 49.75], [-72.03, 49.97], [-72.25, 50.5], [-72.03, 51.03], [-71.68, 51.18], [-71.65, 51.25], [-71.75, 51.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.238799647823612}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.917764419084963}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.528939376353037, 10.949608840784151, 8.274292883951944]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.874696154578885, 12.550216550372397, 9.972696142634334]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.504822178759875, 8.03321457176943, 5.215256506725597]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.238799647823612, 9.196080363146166, 5.74971570509814]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.1402317772991575, 2.2657823277096063, 1.4316842860415866]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7072078995486515, 2.6766912829015226, 1.5847976246495965]}}