{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:05.389444", "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-Aug-22_to_2014-Aug-25_287.5_18.0"}, "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": 2014080000973}, "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": "August 22 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 94566.48842294679}, "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": ["Dominican Republic"]}, "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": ["Caribbean Sea"]}, "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": 18.0}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, 16.0], [-72.03, 16.53], [-71.68, 16.68], [-71.53, 17.03], [-71.18, 17.18], [-71.03, 17.53], [-70.5, 17.75], [-70.25, 17.65], [-70.18, 17.68], [-70.15, 17.75], [-70.25, 18.0], [-70.03, 18.53], [-69.5, 18.75], [-68.97, 18.53], [-68.75, 18.0], [-68.85, 17.75], [-68.75, 17.5], [-68.97, 16.97], [-69.32, 16.82], [-69.35, 16.75], [-69.25, 16.5], [-69.47, 15.97], [-69.82, 15.82], [-69.97, 15.47], [-70.32, 15.32], [-70.47, 14.97], [-70.82, 14.82], [-70.97, 14.47], [-71.5, 14.25], [-72.03, 14.47], [-72.25, 15.0], [-72.15, 15.25], [-72.25, 15.5], [-72.15, 15.75], [-72.25, 16.0]]], [[[-72.53, 17.47], [-72.75, 18.0], [-72.53, 18.53], [-72.0, 18.75], [-71.47, 18.53], [-71.25, 18.0], [-71.47, 17.47], [-72.0, 17.25], [-72.53, 17.47]]]]}, "2014-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, 18.53], [-73.0, 18.75], [-72.75, 18.65], [-72.5, 18.75], [-72.25, 18.65], [-72.0, 18.75], [-71.75, 18.65], [-71.5, 18.75], [-71.25, 18.65], [-71.0, 18.75], [-70.75, 18.65], [-70.5, 18.75], [-70.25, 18.65], [-70.0, 18.75], [-69.75, 18.65], [-69.5, 18.75], [-68.97, 18.53], [-68.75, 18.0], [-68.85, 17.75], [-68.75, 17.5], [-68.97, 16.97], [-69.32, 16.82], [-69.35, 16.75], [-69.25, 16.5], [-69.47, 15.97], [-69.82, 15.82], [-69.97, 15.47], [-70.32, 15.32], [-70.47, 14.97], [-70.82, 14.82], [-70.97, 14.47], [-71.5, 14.25], [-72.03, 14.47], [-72.25, 15.0], [-72.15, 15.25], [-72.25, 15.5], [-72.15, 15.75], [-72.18, 15.82], [-72.25, 15.85], [-72.5, 15.75], [-73.03, 15.97], [-73.25, 16.5], [-73.15, 16.75], [-73.18, 16.82], [-73.53, 16.97], [-73.75, 17.5], [-73.65, 17.75], [-73.75, 18.0], [-73.53, 18.53]]]]}, "2014-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, 18.53], [-73.0, 18.75], [-72.75, 18.65], [-72.5, 18.75], [-72.25, 18.65], [-72.0, 18.75], [-71.75, 18.65], [-71.5, 18.75], [-71.25, 18.65], [-71.0, 18.75], [-70.75, 18.65], [-70.5, 18.75], [-70.25, 18.65], [-70.0, 18.75], [-69.75, 18.65], [-69.5, 18.75], [-68.97, 18.53], [-68.75, 18.0], [-68.85, 17.75], [-68.75, 17.5], [-68.97, 16.97], [-69.32, 16.82], [-69.35, 16.75], [-69.25, 16.5], [-69.47, 15.97], [-69.82, 15.82], [-69.97, 15.47], [-70.32, 15.32], [-70.47, 14.97], [-70.82, 14.82], [-70.97, 14.47], [-71.5, 14.25], [-72.03, 14.47], [-72.25, 15.0], [-72.15, 15.25], [-72.25, 15.5], [-72.15, 15.75], [-72.18, 15.82], [-72.25, 15.85], [-72.5, 15.75], [-73.03, 15.97], [-73.25, 16.5], [-73.15, 16.75], [-73.18, 16.82], [-73.53, 16.97], [-73.75, 17.5], [-73.65, 17.75], [-73.75, 18.0], [-73.53, 18.53]]]]}, "2014-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, 18.53], [-73.0, 18.75], [-72.75, 18.65], [-72.5, 18.75], [-72.25, 18.65], [-72.0, 18.75], [-71.75, 18.65], [-71.5, 18.75], [-71.25, 18.65], [-71.0, 18.75], [-70.75, 18.65], [-70.5, 18.75], [-70.25, 18.65], [-70.0, 18.75], [-69.47, 18.53], [-69.25, 18.0], [-69.47, 17.47], [-69.82, 17.32], [-69.97, 16.97], [-70.32, 16.82], [-70.47, 16.47], [-71.0, 16.25], [-71.25, 16.35], [-71.32, 16.32], [-71.47, 15.97], [-72.0, 15.75], [-72.25, 15.85], [-72.5, 15.75], [-73.03, 15.97], [-73.25, 16.5], [-73.15, 16.75], [-73.18, 16.82], [-73.53, 16.97], [-73.75, 17.5], [-73.65, 17.75], [-73.75, 18.0], [-73.53, 18.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.0270713322573783}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.1524364752000542}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.88243619071227, 26.499570352459443, 26.43590526772033, 26.182131184716923]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.668733011925838, 23.857142246364674, 24.03555829056876, 23.727784621838737]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8396821300389864, -1.1396155615447991, -1.1859810201030996, -1.347984087427721]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.0349345261748226, -2.0270713322573783, -1.8783284362918948, -1.9060722301745159]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7665817125786252, -2.23906269796965, -2.2577297270072263, -2.441133766627871]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.197686687321066, -3.740578632015769, -3.803868405212922, -3.6221043062792013]}}