{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:39.059329", "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": "2016-Jan-09_to_2016-Jan-11_286.5_56.5"}, "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": 2016010001496}, "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": "January 09 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 11 2016"}, "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": 158909.9016026415}, "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": 56.5}, "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": 286.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "286.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 51.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.65, 53.75], [-76.75, 54.0], [-76.65, 54.25], [-76.75, 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51.82], [-74.75, 51.85], [-75.0, 51.75], [-75.53, 51.97], [-75.68, 52.32], [-75.75, 52.35], [-76.0, 52.25], [-76.53, 52.47], [-76.75, 53.0], [-76.65, 53.25], [-76.75, 53.5], [-76.65, 53.75]]]]}, "2016-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.65, 53.75], [-76.75, 54.0], [-76.65, 54.25], [-76.75, 54.5], [-76.65, 54.75], [-76.75, 55.0], [-76.53, 55.53], [-76.18, 55.68], [-76.15, 55.75], [-76.25, 56.0], [-76.15, 56.25], [-76.18, 56.32], [-76.53, 56.47], [-76.75, 57.0], [-76.65, 57.25], [-76.75, 57.5], [-76.53, 58.03], [-76.0, 58.25], [-75.47, 58.03], [-75.32, 57.68], [-75.25, 57.65], [-75.0, 57.75], [-74.75, 57.65], [-74.5, 57.75], [-74.25, 57.65], [-74.0, 57.75], [-73.75, 57.65], [-73.5, 57.75], [-73.25, 57.65], [-73.0, 57.75], [-72.47, 57.53], [-72.32, 57.18], [-72.25, 57.15], [-72.0, 57.25], [-71.47, 57.03], [-71.32, 56.68], [-71.25, 56.65], [-71.0, 56.75], [-70.47, 56.53], [-70.25, 56.0], [-70.47, 55.47], [-70.82, 55.32], [-70.85, 55.25], [-70.75, 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22.061564238505667}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 15.960777610870656}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-7.62933274290441, -3.379027549341288, -4.95633296822399]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.9429521941685266, -0.41421822834547584, -1.5393578053356691]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [13.404796335364475, 17.909383213100554, 16.568153284146987]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [16.31103610320679, 19.45917588747909, 22.061564238505667]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7007923371948301, 2.3347992593883493, 2.201916795009805]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0376709514941576, 2.6489800314988994, 3.091706779941524]}}