{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:43.819398", "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-17_to_2014-Jun-19_283.0_38.0"}, "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": 2014060002418}, "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 17 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 19 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": 61657.729449105056}, "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": 38.0}, "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": 283.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 280.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 284.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.53, 36.03], [-79.0, 36.25], [-78.75, 36.15], [-78.68, 36.18], [-78.62, 36.3], [-79.03, 36.47], [-79.25, 37.0], [-79.03, 37.53], [-78.62, 37.7], [-78.75, 38.0], [-78.53, 38.53], [-78.0, 38.75], [-77.75, 38.65], [-77.68, 38.68], [-77.53, 39.03], [-77.0, 39.25], [-76.75, 39.15], [-76.5, 39.25], [-76.25, 39.15], [-76.0, 39.25], [-75.47, 39.03], [-75.32, 38.68], [-74.97, 38.53], [-74.75, 38.0], [-74.97, 37.47], [-75.5, 37.25], [-75.75, 37.35], [-75.82, 37.32], [-75.85, 37.25], [-75.82, 37.18], [-75.47, 37.03], [-75.25, 36.5], [-75.47, 35.97], [-76.0, 35.75], [-76.25, 35.85], [-76.32, 35.82], [-76.47, 35.47], [-77.0, 35.25], [-77.25, 35.35], [-77.5, 35.25], [-77.75, 35.35], [-77.82, 35.32], [-77.97, 34.97], [-78.32, 34.82], [-78.47, 34.47], [-79.0, 34.25], [-79.53, 34.47], [-79.75, 35.0], [-79.65, 35.25], [-79.75, 35.5], [-79.53, 36.03]]]]}, "2014-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.53, 36.03], [-79.0, 36.25], [-78.75, 36.15], [-78.68, 36.18], [-78.62, 36.3], [-79.03, 36.47], [-79.25, 37.0], [-79.03, 37.53], [-78.62, 37.7], [-78.75, 38.0], [-78.53, 38.53], [-78.0, 38.75], [-77.75, 38.65], [-77.68, 38.68], [-77.53, 39.03], [-77.0, 39.25], [-76.75, 39.15], [-76.5, 39.25], [-76.25, 39.15], [-76.0, 39.25], [-75.47, 39.03], [-75.32, 38.68], [-74.97, 38.53], [-74.75, 38.0], [-74.97, 37.47], [-75.5, 37.25], [-75.75, 37.35], [-75.82, 37.32], [-75.85, 37.25], [-75.82, 37.18], [-75.47, 37.03], [-75.25, 36.5], [-75.47, 35.97], [-76.0, 35.75], [-76.25, 35.85], [-76.32, 35.82], [-76.47, 35.47], [-77.0, 35.25], [-77.25, 35.35], [-77.5, 35.25], [-77.75, 35.35], [-77.82, 35.32], [-77.97, 34.97], [-78.32, 34.82], [-78.47, 34.47], [-79.0, 34.25], [-79.53, 34.47], [-79.75, 35.0], [-79.65, 35.25], [-79.75, 35.5], [-79.53, 36.03]]]]}, "2014-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.53, 36.03], [-79.0, 36.25], [-78.75, 36.15], [-78.68, 36.18], [-78.62, 36.3], [-79.03, 36.47], [-79.25, 37.0], [-79.03, 37.53], [-78.62, 37.7], [-78.75, 38.0], [-78.53, 38.53], [-78.0, 38.75], [-77.75, 38.65], [-77.68, 38.68], [-77.53, 39.03], [-77.0, 39.25], [-76.75, 39.15], [-76.5, 39.25], [-76.25, 39.15], [-76.0, 39.25], [-75.47, 39.03], [-75.32, 38.68], [-74.97, 38.53], [-74.75, 38.0], [-74.97, 37.47], [-75.5, 37.25], [-75.75, 37.35], [-75.82, 37.32], [-75.85, 37.25], [-75.82, 37.18], [-75.47, 37.03], [-75.25, 36.5], [-75.47, 35.97], [-76.0, 35.75], [-76.25, 35.85], [-76.32, 35.82], [-76.47, 35.47], [-77.0, 35.25], [-77.25, 35.35], [-77.5, 35.25], [-77.75, 35.35], [-77.82, 35.32], [-77.97, 34.97], [-78.32, 34.82], [-78.47, 34.47], [-79.0, 34.25], [-79.53, 34.47], [-79.75, 35.0], [-79.65, 35.25], [-79.75, 35.5], [-79.53, 36.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.138107727419992}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.187648245403866}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.67963139786542, 28.976878906267586, 28.617113144156633]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.74750784986111, 30.310288176517815, 29.92806628579615]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5624060110219693, 4.758746447245089, 4.24179227794454]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.424775604723777, 6.138107727419992, 5.378635649704506]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3643985901156304, 1.8484194104603557, 1.6469623605875057]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6212149409508296, 2.290176645089521, 2.0286889889589648]}}