{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:47.317093", "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": "2018-Dec-09_to_2018-Dec-11_289.0_23.5"}, "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": 2018120001741}, "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": "December 09 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 11 2018"}, "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": 57019.61676346927}, "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": ["Turks and Caicos Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "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": 23.5}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, 23.03], [-72.18, 23.18], [-72.15, 23.25], [-72.25, 23.5], [-72.03, 24.03], [-71.5, 24.25], [-71.25, 24.15], [-71.0, 24.25], [-70.75, 24.15], [-70.5, 24.25], [-70.25, 24.15], [-70.0, 24.25], [-69.47, 24.03], [-69.32, 23.68], [-69.25, 23.65], [-69.0, 23.75], [-68.47, 23.53], [-68.25, 23.0], [-68.47, 22.47], [-68.82, 22.32], [-68.97, 21.97], [-69.5, 21.75], [-69.75, 21.85], [-70.0, 21.75], [-70.25, 21.85], [-70.32, 21.82], [-70.47, 21.47], [-70.82, 21.32], [-70.97, 20.97], [-71.5, 20.75], [-72.03, 20.97], [-72.18, 21.32], [-72.53, 21.47], [-72.75, 22.0], [-72.65, 22.25], [-72.75, 22.5], [-72.53, 23.03]]]]}, "2018-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, 23.03], [-72.18, 23.18], [-72.15, 23.25], [-72.25, 23.5], [-72.03, 24.03], [-71.5, 24.25], [-71.25, 24.15], [-71.0, 24.25], [-70.75, 24.15], [-70.5, 24.25], [-70.25, 24.15], [-70.0, 24.25], [-69.47, 24.03], [-69.32, 23.68], [-69.25, 23.65], [-69.0, 23.75], [-68.47, 23.53], [-68.25, 23.0], [-68.47, 22.47], [-68.82, 22.32], [-68.97, 21.97], [-69.5, 21.75], [-69.75, 21.85], [-70.0, 21.75], [-70.25, 21.85], [-70.32, 21.82], [-70.47, 21.47], [-70.82, 21.32], [-70.97, 20.97], [-71.5, 20.75], [-72.03, 20.97], [-72.18, 21.32], [-72.53, 21.47], [-72.75, 22.0], [-72.65, 22.25], [-72.75, 22.5], [-72.53, 23.03]]]]}, "2018-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, 23.03], [-72.18, 23.18], [-72.15, 23.25], [-72.25, 23.5], [-72.03, 24.03], [-71.5, 24.25], [-71.25, 24.15], [-71.0, 24.25], [-70.75, 24.15], [-70.5, 24.25], [-70.25, 24.15], [-70.0, 24.25], [-69.47, 24.03], [-69.32, 23.68], [-69.25, 23.65], [-69.0, 23.75], [-68.47, 23.53], [-68.25, 23.0], [-68.47, 22.47], [-68.82, 22.32], [-68.97, 21.97], [-69.5, 21.75], [-69.75, 21.85], [-70.0, 21.75], [-70.25, 21.85], [-70.32, 21.82], [-70.47, 21.47], [-70.82, 21.32], [-70.97, 20.97], [-71.5, 20.75], [-72.03, 20.97], [-72.18, 21.32], [-72.53, 21.47], [-72.75, 22.0], [-72.65, 22.25], [-72.75, 22.5], [-72.53, 23.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0213228423922374}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.406139801498484}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.40249672413944, 26.75139673672618, 26.461222841576216]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.66865516582152, 27.015898704205767, 26.60198550164131]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.219920758106241, 1.6240140550405158, 1.3744845913486956]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.404599647708494, 2.0213228423922374, 1.7337225354552288]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.524435878175801, 1.9931363037729148, 1.586618020620628]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7518711915071403, 2.3196314779709537, 1.94499256948871]}}