{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:41.994695", "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-Jun-10_to_2014-Jun-13_280.5_55.0"}, "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": 2014060002002}, "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 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 13 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 60689.22856435344}, "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 Bay"]}, "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": 55.0}, "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": 280.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "280.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 278.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 283.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.68, 55.18], [-80.53, 55.53], [-80.0, 55.75], [-79.75, 55.65], [-79.5, 55.75], [-78.97, 55.53], [-78.75, 55.0], [-78.85, 54.75], [-78.75, 54.5], [-78.85, 54.25], [-78.75, 54.0], [-78.97, 53.47], [-79.5, 53.25], [-80.0, 53.46], [-80.5, 53.25], [-80.75, 53.35], [-81.0, 53.25], [-81.53, 53.47], [-81.75, 54.0], [-81.53, 54.53], [-81.18, 54.68], [-81.03, 55.03], [-80.68, 55.18]]]]}, "2014-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.68, 55.18], [-80.53, 55.53], [-80.18, 55.68], [-80.15, 55.75], [-80.25, 56.0], [-80.03, 56.53], [-79.68, 56.68], [-79.53, 57.03], [-79.18, 57.18], [-79.03, 57.53], [-78.5, 57.75], [-78.0, 57.54], [-77.68, 57.68], [-77.53, 58.03], [-77.18, 58.18], [-77.03, 58.53], [-76.5, 58.75], [-75.97, 58.53], [-75.75, 58.0], [-75.85, 57.75], [-75.75, 57.5], [-75.85, 57.25], [-75.75, 57.0], [-75.85, 56.75], [-75.75, 56.5], [-75.85, 56.25], [-75.75, 56.0], [-75.97, 55.47], [-76.32, 55.32], [-76.47, 54.97], [-77.0, 54.75], [-77.25, 54.85], [-77.5, 54.75], [-77.75, 54.85], [-78.0, 54.75], [-78.25, 54.85], [-78.32, 54.82], [-78.47, 54.47], [-78.82, 54.32], [-78.85, 54.25], [-78.75, 54.0], [-78.97, 53.47], [-79.5, 53.25], [-80.0, 53.46], [-80.5, 53.25], [-80.75, 53.35], [-81.0, 53.25], [-81.53, 53.47], [-81.75, 54.0], [-81.53, 54.53], [-81.18, 54.68], [-81.03, 55.03], [-80.68, 55.18]]]]}, "2014-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.68, 55.18], [-80.53, 55.53], [-80.18, 55.68], [-80.15, 55.75], [-80.25, 56.0], [-80.03, 56.53], [-79.68, 56.68], [-79.53, 57.03], [-79.18, 57.18], [-79.03, 57.53], [-78.5, 57.75], [-78.0, 57.54], [-77.68, 57.68], [-77.53, 58.03], [-77.18, 58.18], [-77.03, 58.53], [-76.5, 58.75], [-75.97, 58.53], [-75.75, 58.0], [-75.85, 57.75], [-75.75, 57.5], [-75.85, 57.25], [-75.75, 57.0], [-75.85, 56.75], [-75.75, 56.5], [-75.85, 56.25], [-75.75, 56.0], [-75.97, 55.47], [-76.32, 55.32], [-76.47, 54.97], [-77.0, 54.75], [-77.25, 54.85], [-77.5, 54.75], [-77.75, 54.85], [-78.0, 54.75], [-78.25, 54.85], [-78.32, 54.82], [-78.47, 54.47], [-78.82, 54.32], [-78.85, 54.25], [-78.75, 54.0], [-78.97, 53.47], [-79.5, 53.25], [-80.0, 53.46], [-80.5, 53.25], [-80.75, 53.35], [-81.0, 53.25], [-81.53, 53.47], [-81.75, 54.0], [-81.53, 54.53], [-81.18, 54.68], [-81.03, 55.03], [-80.68, 55.18]]]]}, "2014-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.15, 55.75], [-80.25, 56.0], [-80.03, 56.53], [-79.68, 56.68], [-79.53, 57.03], [-79.18, 57.18], [-79.03, 57.53], [-78.5, 57.75], [-78.0, 57.54], [-77.68, 57.68], [-77.53, 58.03], [-77.18, 58.18], [-77.03, 58.53], [-76.5, 58.75], [-75.97, 58.53], [-75.75, 58.0], [-75.85, 57.75], [-75.75, 57.5], [-75.85, 57.25], [-75.75, 57.0], [-75.85, 56.75], [-75.75, 56.5], [-75.85, 56.25], [-75.75, 56.0], [-75.97, 55.47], [-76.32, 55.32], [-76.47, 54.97], [-77.0, 54.75], [-77.25, 54.85], [-77.5, 54.75], [-77.75, 54.85], [-78.0, 54.75], [-78.25, 54.85], [-78.32, 54.82], [-78.47, 54.47], [-79.0, 54.25], [-79.25, 54.35], [-79.5, 54.25], [-80.03, 54.47], [-80.25, 55.0], [-80.15, 55.25], [-80.25, 55.5], [-80.15, 55.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.736242766064265}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.079318072018839}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.942546460966923, 8.809213180797201, 10.671114359334695, 8.847867635221462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.82128293434198, 17.052529246403594, 22.609441426579167, 17.90522062022734]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.507668662072291, 5.895304702533645, 7.5081607874803415, 5.258038363818899]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.109178099704252, 9.207801112217055, 14.736242766064265, 11.450021014616254]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5904904908815283, 2.4089653674590443, 2.8698386320980345, 1.8824592876658375]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8972730970611875, 3.8188349303865947, 3.5583242052608908, 2.509521401573605]}}