{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:41.231272", "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-07_to_2014-Jun-09_291.0_44.5"}, "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": 2014060001785}, "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 07 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2014"}, "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": 65565.00572755186}, "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": 44.5}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, 44.25], [-71.25, 44.5], [-71.15, 44.75], [-71.25, 45.0], [-71.03, 45.53], [-70.68, 45.68], [-70.53, 46.03], [-70.18, 46.18], [-70.03, 46.53], [-69.68, 46.68], [-69.53, 47.03], [-69.0, 47.25], [-68.75, 47.15], [-68.5, 47.25], [-67.97, 47.03], [-67.82, 46.68], [-67.47, 46.53], [-67.32, 46.18], [-66.97, 46.03], [-66.75, 45.5], [-66.97, 44.97], [-67.32, 44.82], [-67.35, 44.75], [-67.25, 44.5], [-67.47, 43.97], [-68.0, 43.75], [-68.25, 43.85], [-68.32, 43.82], [-68.47, 43.47], [-69.0, 43.25], [-69.25, 43.35], [-69.32, 43.32], [-69.47, 42.97], [-70.0, 42.75], [-70.25, 42.85], [-70.5, 42.75], [-71.03, 42.97], [-71.25, 43.5], [-71.15, 43.75], [-71.25, 44.0], [-71.15, 44.25]]]]}, "2014-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, 44.25], [-71.25, 44.5], [-71.15, 44.75], [-71.25, 45.0], [-71.03, 45.53], [-70.68, 45.68], [-70.53, 46.03], [-70.18, 46.18], [-70.03, 46.53], [-69.68, 46.68], [-69.53, 47.03], [-69.0, 47.25], [-68.75, 47.15], [-68.5, 47.25], [-67.97, 47.03], [-67.82, 46.68], [-67.47, 46.53], [-67.32, 46.18], [-66.97, 46.03], [-66.75, 45.5], [-66.97, 44.97], [-67.32, 44.82], [-67.35, 44.75], [-67.25, 44.5], [-67.47, 43.97], [-68.0, 43.75], [-68.25, 43.85], [-68.32, 43.82], [-68.47, 43.47], [-69.0, 43.25], [-69.25, 43.35], [-69.32, 43.32], [-69.47, 42.97], [-70.0, 42.75], [-70.25, 42.85], [-70.5, 42.75], [-71.03, 42.97], [-71.25, 43.5], [-71.15, 43.75], [-71.25, 44.0], [-71.15, 44.25]]]]}, "2014-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, 44.25], [-71.25, 44.5], [-71.15, 44.75], [-71.25, 45.0], [-71.03, 45.53], [-70.68, 45.68], [-70.53, 46.03], [-70.18, 46.18], [-70.03, 46.53], [-69.68, 46.68], [-69.53, 47.03], [-69.0, 47.25], [-68.75, 47.15], [-68.5, 47.25], [-67.97, 47.03], [-67.82, 46.68], [-67.47, 46.53], [-67.32, 46.18], [-66.97, 46.03], [-66.75, 45.5], [-66.97, 44.97], [-67.32, 44.82], [-67.35, 44.75], [-67.25, 44.5], [-67.47, 43.97], [-68.0, 43.75], [-68.25, 43.85], [-68.32, 43.82], [-68.47, 43.47], [-69.0, 43.25], [-69.25, 43.35], [-69.32, 43.32], [-69.47, 42.97], [-70.0, 42.75], [-70.25, 42.85], [-70.5, 42.75], [-71.03, 42.97], [-71.25, 43.5], [-71.15, 43.75], [-71.25, 44.0], [-71.15, 44.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.395717000035688}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.8515024732450005}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.74649326649012, 19.679437016625343, 20.71209712263868]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.193371734703305, 21.703738294038203, 22.632905647650773]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.275368365493031, 4.810821354309966, 5.468317699932006]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.225840433988196, 5.597072767110717, 6.395717000035688]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6772917918993544, 1.798823116115538, 1.959311241599874]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2461114218132496, 2.0471420996765155, 2.2045490712573494]}}