{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:44.612732", "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-Nov-29_to_2016-Dec-01_280.0_35.0"}, "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": 2016110002887}, "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": "November 29 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 01 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": 119985.15637433612}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["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": 35.0}, "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": 280.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "280.0\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": 284.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, 33.53], [-81.18, 33.68], [-81.15, 33.75], [-81.25, 34.0], [-81.15, 34.25], [-81.25, 34.5], [-81.15, 34.75], [-81.25, 35.0], [-81.03, 35.53], [-80.68, 35.68], [-80.53, 36.03], [-80.0, 36.25], [-79.75, 36.15], [-79.68, 36.18], [-79.65, 36.25], [-79.75, 36.5], [-79.53, 37.03], [-79.0, 37.25], [-78.47, 37.03], [-78.32, 36.68], [-77.97, 36.53], [-77.82, 36.18], [-77.47, 36.03], [-77.32, 35.68], [-77.0, 35.54], [-76.5, 35.75], [-76.25, 35.65], [-76.0, 35.75], [-75.47, 35.53], [-75.25, 35.0], [-75.47, 34.47], [-75.82, 34.32], [-75.85, 34.25], [-75.75, 34.0], [-75.97, 33.47], [-76.32, 33.32], [-76.47, 32.97], [-76.82, 32.82], [-76.85, 32.75], [-76.75, 32.5], [-76.97, 31.97], [-77.32, 31.82], [-77.47, 31.47], [-78.0, 31.25], [-78.53, 31.47], [-78.75, 32.0], [-78.53, 32.53], [-78.18, 32.68], [-78.15, 32.75], [-78.25, 33.0], [-78.12, 33.3], [-78.25, 33.35], [-78.32, 33.32], [-78.47, 32.97], [-79.0, 32.75], [-79.25, 32.85], [-79.32, 32.82], [-79.47, 32.47], [-79.82, 32.32], [-79.97, 31.97], [-80.5, 31.75], [-80.75, 31.85], [-81.0, 31.75], [-81.53, 31.97], [-81.75, 32.5], [-81.65, 32.75], [-81.75, 33.0], [-81.53, 33.53]]]]}, "2016-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, 33.53], [-81.18, 33.68], [-81.15, 33.75], [-81.25, 34.0], [-81.15, 34.25], [-81.25, 34.5], [-81.15, 34.75], [-81.25, 35.0], [-81.03, 35.53], [-80.68, 35.68], [-80.53, 36.03], [-80.0, 36.25], [-79.75, 36.15], [-79.68, 36.18], [-79.65, 36.25], [-79.75, 36.5], [-79.53, 37.03], [-79.0, 37.25], [-78.47, 37.03], [-78.32, 36.68], [-77.97, 36.53], [-77.82, 36.18], [-77.47, 36.03], [-77.32, 35.68], [-77.0, 35.54], [-76.5, 35.75], [-76.25, 35.65], [-76.0, 35.75], [-75.47, 35.53], [-75.25, 35.0], [-75.47, 34.47], [-75.82, 34.32], [-75.85, 34.25], [-75.75, 34.0], [-75.97, 33.47], [-76.32, 33.32], [-76.47, 32.97], [-76.82, 32.82], [-76.85, 32.75], [-76.75, 32.5], [-76.97, 31.97], [-77.32, 31.82], [-77.47, 31.47], [-78.0, 31.25], [-78.53, 31.47], [-78.75, 32.0], [-78.53, 32.53], [-78.18, 32.68], [-78.15, 32.75], [-78.25, 33.0], [-78.12, 33.3], [-78.25, 33.35], [-78.32, 33.32], [-78.47, 32.97], [-79.0, 32.75], [-79.25, 32.85], [-79.32, 32.82], [-79.47, 32.47], [-79.82, 32.32], [-79.97, 31.97], [-80.5, 31.75], [-80.75, 31.85], [-81.0, 31.75], [-81.53, 31.97], [-81.75, 32.5], [-81.65, 32.75], [-81.75, 33.0], [-81.53, 33.53]]]]}, "2016-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, 33.53], [-81.18, 33.68], [-81.15, 33.75], [-81.25, 34.0], [-81.15, 34.25], [-81.25, 34.5], [-81.15, 34.75], [-81.25, 35.0], [-81.03, 35.53], [-80.68, 35.68], [-80.53, 36.03], [-80.0, 36.25], [-79.75, 36.15], [-79.68, 36.18], [-79.65, 36.25], [-79.75, 36.5], [-79.53, 37.03], [-79.0, 37.25], [-78.47, 37.03], [-78.32, 36.68], [-77.97, 36.53], [-77.82, 36.18], [-77.47, 36.03], [-77.32, 35.68], [-77.0, 35.54], [-76.5, 35.75], [-76.25, 35.65], [-76.0, 35.75], [-75.47, 35.53], [-75.25, 35.0], [-75.47, 34.47], [-75.82, 34.32], [-75.85, 34.25], [-75.75, 34.0], [-75.97, 33.47], [-76.32, 33.32], [-76.47, 32.97], [-76.82, 32.82], [-76.85, 32.75], [-76.75, 32.5], [-76.97, 31.97], [-77.32, 31.82], [-77.47, 31.47], [-78.0, 31.25], [-78.53, 31.47], [-78.75, 32.0], [-78.53, 32.53], [-78.18, 32.68], [-78.15, 32.75], [-78.25, 33.0], [-78.12, 33.3], [-78.25, 33.35], [-78.32, 33.32], [-78.47, 32.97], [-79.0, 32.75], [-79.25, 32.85], [-79.32, 32.82], [-79.47, 32.47], [-79.82, 32.32], [-79.97, 31.97], [-80.5, 31.75], [-80.75, 31.85], [-81.0, 31.75], [-81.53, 31.97], [-81.75, 32.5], [-81.65, 32.75], [-81.75, 33.0], [-81.53, 33.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.041812412377965}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.927533356789407}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.91981358958043, 21.288899770820933, 19.05356266662386]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.41556647780675, 24.449376647440772, 23.354967460674857]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.503739715597035, 9.188033764623608, 7.090826590147567]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.76487966014497, 11.041812412377965, 9.730570218252012]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6462591503397952, 2.0087542325780015, 1.5704568898121596]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0692647643516877, 2.3903918044804935, 1.9491016136949555]}}