{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:42.250314", "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-11_to_2014-Jun-14_287.0_61.5"}, "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": 2014060002065}, "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 11 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 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": 103990.19990260413}, "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": 61.5}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 63.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.03, 61.47], [-76.25, 62.0], [-76.03, 62.53], [-75.5, 62.75], [-75.25, 62.65], [-75.0, 62.75], [-74.75, 62.65], [-74.5, 62.75], [-74.25, 62.65], [-74.0, 62.75], [-73.75, 62.65], [-73.5, 62.75], [-73.25, 62.65], [-73.0, 62.75], [-72.47, 62.53], [-72.32, 62.18], [-72.25, 62.15], [-72.0, 62.25], [-71.47, 62.03], [-71.25, 61.5], [-71.35, 61.25], [-71.25, 61.0], [-71.47, 60.47], [-72.0, 60.25], [-72.53, 60.47], [-72.68, 60.82], [-72.75, 60.85], [-72.82, 60.82], [-72.97, 60.47], [-73.5, 60.25], [-73.75, 60.35], [-74.0, 60.25], [-74.53, 60.47], [-74.75, 61.0], [-74.65, 61.25], [-74.68, 61.32], [-74.75, 61.35], [-75.0, 61.25], [-75.25, 61.35], [-75.5, 61.25], [-76.03, 61.47]]]]}, "2014-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.18, 62.18], [-76.03, 62.53], [-75.5, 62.75], [-75.25, 62.65], [-75.0, 62.75], [-74.75, 62.65], [-74.5, 62.75], [-74.25, 62.65], [-74.18, 62.68], [-74.15, 62.75], [-74.25, 63.0], [-74.03, 63.53], [-73.5, 63.75], [-72.97, 63.53], [-72.82, 63.18], [-72.47, 63.03], [-72.32, 62.68], [-71.97, 62.53], [-71.82, 62.18], [-71.75, 62.15], [-71.5, 62.25], [-70.97, 62.03], [-70.82, 61.68], [-70.75, 61.65], [-70.5, 61.75], [-69.97, 61.53], [-69.75, 61.0], [-69.97, 60.47], [-70.32, 60.32], [-70.35, 60.25], [-70.32, 60.18], [-69.97, 60.03], [-69.82, 59.68], [-69.75, 59.65], [-69.5, 59.75], [-68.97, 59.53], [-68.82, 59.18], [-68.47, 59.03], [-68.32, 58.68], [-67.97, 58.53], [-67.75, 58.0], [-67.97, 57.47], [-68.32, 57.32], [-68.47, 56.97], [-69.0, 56.75], [-69.25, 56.85], [-69.5, 56.75], [-70.03, 56.97], [-70.18, 57.32], [-70.25, 57.35], [-70.5, 57.25], [-71.03, 57.47], [-71.18, 57.82], [-71.53, 57.97], [-71.68, 58.32], [-72.03, 58.47], [-72.18, 58.82], [-72.25, 58.85], [-72.5, 58.75], [-73.03, 58.97], [-73.18, 59.32], [-73.25, 59.35], [-73.5, 59.25], [-74.03, 59.47], [-74.18, 59.82], [-74.25, 59.85], [-74.5, 59.75], [-75.03, 59.97], [-75.18, 60.32], [-75.25, 60.35], [-75.5, 60.25], [-76.0, 60.46], [-76.5, 60.25], [-77.03, 60.47], [-77.25, 61.0], [-77.03, 61.53], [-76.68, 61.68], [-76.53, 62.03], [-76.18, 62.18]]]]}, "2014-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.18, 62.18], [-76.03, 62.53], [-75.5, 62.75], [-75.25, 62.65], [-75.0, 62.75], [-74.75, 62.65], [-74.5, 62.75], [-74.25, 62.65], [-74.18, 62.68], [-74.15, 62.75], [-74.25, 63.0], [-74.03, 63.53], [-73.5, 63.75], [-72.97, 63.53], [-72.82, 63.18], [-72.47, 63.03], [-72.32, 62.68], [-71.97, 62.53], [-71.82, 62.18], [-71.75, 62.15], [-71.5, 62.25], [-70.97, 62.03], [-70.82, 61.68], [-70.75, 61.65], [-70.5, 61.75], [-69.97, 61.53], [-69.75, 61.0], [-69.97, 60.47], [-70.32, 60.32], [-70.35, 60.25], [-70.32, 60.18], [-69.97, 60.03], [-69.82, 59.68], [-69.75, 59.65], [-69.5, 59.75], [-68.97, 59.53], [-68.82, 59.18], [-68.47, 59.03], [-68.32, 58.68], [-67.97, 58.53], [-67.75, 58.0], [-67.97, 57.47], [-68.32, 57.32], [-68.47, 56.97], [-69.0, 56.75], [-69.25, 56.85], [-69.5, 56.75], [-70.03, 56.97], [-70.18, 57.32], [-70.25, 57.35], [-70.5, 57.25], [-71.03, 57.47], [-71.18, 57.82], [-71.53, 57.97], [-71.68, 58.32], [-72.03, 58.47], [-72.18, 58.82], [-72.25, 58.85], [-72.5, 58.75], [-73.03, 58.97], [-73.18, 59.32], [-73.25, 59.35], [-73.5, 59.25], [-74.03, 59.47], [-74.18, 59.82], [-74.25, 59.85], [-74.5, 59.75], [-75.03, 59.97], [-75.18, 60.32], [-75.25, 60.35], [-75.5, 60.25], [-76.0, 60.46], [-76.5, 60.25], [-77.03, 60.47], [-77.25, 61.0], [-77.03, 61.53], [-76.68, 61.68], [-76.53, 62.03], [-76.18, 62.18]]]]}, "2014-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.0, 62.25], [-75.75, 62.15], [-75.5, 62.25], [-75.25, 62.15], [-75.0, 62.25], [-74.75, 62.15], [-74.68, 62.18], [-74.53, 62.53], [-74.18, 62.68], [-74.15, 62.75], [-74.25, 63.0], [-74.03, 63.53], [-73.5, 63.75], [-72.97, 63.53], [-72.82, 63.18], [-72.47, 63.03], [-72.32, 62.68], [-71.97, 62.53], [-71.82, 62.18], [-71.75, 62.15], [-71.5, 62.25], [-70.97, 62.03], [-70.82, 61.68], [-70.75, 61.65], [-70.5, 61.75], [-69.97, 61.53], [-69.75, 61.0], [-69.97, 60.47], [-70.32, 60.32], [-70.35, 60.25], [-70.32, 60.18], [-69.97, 60.03], [-69.82, 59.68], [-69.75, 59.65], [-69.5, 59.75], [-68.97, 59.53], [-68.82, 59.18], [-68.47, 59.03], [-68.32, 58.68], [-67.97, 58.53], [-67.75, 58.0], [-67.97, 57.47], [-68.32, 57.32], [-68.47, 56.97], [-69.0, 56.75], [-69.25, 56.85], [-69.5, 56.75], [-70.03, 56.97], [-70.18, 57.32], [-70.25, 57.35], [-70.5, 57.25], [-71.03, 57.47], [-71.18, 57.82], [-71.53, 57.97], [-71.68, 58.32], [-72.03, 58.47], [-72.18, 58.82], [-72.25, 58.85], [-72.5, 58.75], [-73.03, 58.97], [-73.18, 59.32], [-73.25, 59.35], [-73.5, 59.25], [-74.03, 59.47], [-74.18, 59.82], [-74.25, 59.85], [-74.5, 59.75], [-75.03, 59.97], [-75.18, 60.32], [-75.25, 60.35], [-75.5, 60.25], [-76.0, 60.46], [-76.5, 60.25], [-77.03, 60.47], [-77.25, 61.0], [-77.03, 61.53], [-76.68, 61.68], [-76.53, 62.03], [-76.0, 62.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.192419480049637}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.8068911919663275}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.138083047351131, 9.98190526367199, 14.805438543717912, 11.298755837008628]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [7.133089041474079, 16.07129818340991, 19.193066639378515, 15.903177434452573]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.4533235472437, 6.315491037083683, 10.813149287787965, 6.944423608001183]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.832793679598922, 8.97608559564253, 13.192419480049637, 9.67120928429972]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3801203530659027, 1.90464483414023, 3.2526186458433877, 2.057618465271862]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4775031072338478, 2.679473593544148, 4.125469965712445, 3.2784664965539325]}}