{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:00.500184", "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-06_to_2010-Jun-08_305.5_46.5"}, "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": 2010060001654}, "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 06 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 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": 68336.84277137916}, "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": ["Labrador Sea", "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": 46.5}, "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": 305.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.75, 46.5], [-56.53, 47.03], [-56.18, 47.18], [-56.03, 47.53], [-55.5, 47.75], [-55.25, 47.65], [-55.18, 47.68], [-55.03, 48.03], [-54.5, 48.25], [-54.25, 48.15], [-54.18, 48.18], [-54.03, 48.53], [-53.5, 48.75], [-52.97, 48.53], [-52.75, 48.0], [-52.93, 47.57], [-52.5, 47.75], [-52.25, 47.65], [-52.0, 47.75], [-51.47, 47.53], [-51.25, 47.0], [-51.35, 46.75], [-51.25, 46.5], [-51.47, 45.97], [-51.82, 45.82], [-51.85, 45.75], [-51.75, 45.5], [-51.97, 44.97], [-52.5, 44.75], [-52.75, 44.85], [-52.82, 44.82], [-52.97, 44.47], [-53.5, 44.25], [-53.75, 44.35], [-54.0, 44.25], [-54.53, 44.47], [-54.68, 44.82], [-54.75, 44.85], [-55.0, 44.75], [-55.53, 44.97], [-55.68, 45.32], [-56.03, 45.47], [-56.18, 45.82], [-56.53, 45.97], [-56.75, 46.5]], [[-53.18, 47.18], [-53.07, 47.43], [-53.32, 47.32], [-53.37, 47.2], [-53.25, 47.15], [-53.18, 47.18]]]]}, "2010-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.75, 46.5], [-56.53, 47.03], [-56.18, 47.18], [-56.03, 47.53], [-55.5, 47.75], [-55.25, 47.65], [-55.18, 47.68], [-55.03, 48.03], [-54.5, 48.25], [-54.25, 48.15], [-54.18, 48.18], [-54.03, 48.53], [-53.5, 48.75], [-52.97, 48.53], [-52.75, 48.0], [-52.93, 47.57], [-52.5, 47.75], [-52.25, 47.65], [-52.0, 47.75], [-51.47, 47.53], [-51.25, 47.0], [-51.35, 46.75], [-51.25, 46.5], [-51.47, 45.97], [-51.82, 45.82], [-51.85, 45.75], [-51.75, 45.5], [-51.97, 44.97], [-52.5, 44.75], [-52.75, 44.85], [-52.82, 44.82], [-52.97, 44.47], [-53.5, 44.25], [-53.75, 44.35], [-54.0, 44.25], [-54.53, 44.47], [-54.68, 44.82], [-54.75, 44.85], [-55.0, 44.75], [-55.53, 44.97], [-55.68, 45.32], [-56.03, 45.47], [-56.18, 45.82], [-56.53, 45.97], [-56.75, 46.5]], [[-53.18, 47.18], [-53.07, 47.43], [-53.32, 47.32], [-53.37, 47.2], [-53.25, 47.15], [-53.18, 47.18]]]]}, "2010-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.75, 46.5], [-56.53, 47.03], [-56.18, 47.18], [-56.03, 47.53], [-55.5, 47.75], [-55.25, 47.65], [-55.18, 47.68], [-55.03, 48.03], [-54.5, 48.25], [-54.25, 48.15], [-54.18, 48.18], [-54.03, 48.53], [-53.5, 48.75], [-52.97, 48.53], [-52.75, 48.0], [-52.93, 47.57], [-52.5, 47.75], [-52.25, 47.65], [-52.0, 47.75], [-51.47, 47.53], [-51.25, 47.0], [-51.35, 46.75], [-51.25, 46.5], [-51.47, 45.97], [-51.82, 45.82], [-51.85, 45.75], [-51.75, 45.5], [-51.97, 44.97], [-52.5, 44.75], [-52.75, 44.85], [-52.82, 44.82], [-52.97, 44.47], [-53.5, 44.25], [-53.75, 44.35], [-54.0, 44.25], [-54.53, 44.47], [-54.68, 44.82], [-54.75, 44.85], [-55.0, 44.75], [-55.53, 44.97], [-55.68, 45.32], [-56.03, 45.47], [-56.18, 45.82], [-56.53, 45.97], [-56.75, 46.5]], [[-53.18, 47.18], [-53.07, 47.43], [-53.32, 47.32], [-53.37, 47.2], [-53.25, 47.15], [-53.18, 47.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.607765069959726}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.369777282919732}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.070129954949152, 13.009188012865081, 10.440190786700327]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.570428547951735, 14.203918078200388, 11.372008163646342]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3496372950203046, 6.217666080820605, 3.542028472918286]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.325756264722372, 7.607765069959726, 4.5935870877110005]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0063805907931047, 3.822184920139927, 2.218838362600009]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7254685742498213, 5.060733104544418, 3.026138383631303]}}