{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:16.379387", "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-Sep-05_to_2014-Sep-08_290.5_19.0"}, "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": 2014090000261}, "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": "September 05 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 08 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": 76511.32687939005}, "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": 19.0}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.68, 18.18], [-70.53, 18.53], [-70.18, 18.68], [-70.15, 18.75], [-70.25, 19.0], [-70.03, 19.53], [-69.5, 19.75], [-69.25, 19.65], [-69.0, 19.75], [-68.47, 19.53], [-68.25, 19.0], [-68.47, 18.47], [-68.82, 18.32], [-68.93, 18.07], [-68.5, 18.25], [-68.25, 18.15], [-68.0, 18.25], [-67.47, 18.03], [-67.25, 17.5], [-67.35, 17.25], [-67.25, 17.0], [-67.47, 16.47], [-68.0, 16.25], [-68.25, 16.35], [-68.32, 16.32], [-68.47, 15.97], [-68.82, 15.82], [-68.97, 15.47], [-69.5, 15.25], [-69.75, 15.35], [-70.0, 15.25], [-70.53, 15.47], [-70.75, 16.0], [-70.62, 16.3], [-70.75, 16.35], [-71.0, 16.25], [-71.53, 16.47], [-71.75, 17.0], [-71.53, 17.53], [-71.18, 17.68], [-71.03, 18.03], [-70.68, 18.18]], [[-69.18, 17.68], [-69.07, 17.93], [-69.32, 17.82], [-69.35, 17.75], [-69.32, 17.68], [-69.25, 17.65], [-69.18, 17.68]]]]}, "2014-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 18.97], [-72.25, 19.5], [-72.03, 20.03], [-71.5, 20.25], [-71.25, 20.15], [-71.0, 20.25], [-70.75, 20.15], [-70.5, 20.25], [-70.25, 20.15], [-70.0, 20.25], [-69.47, 20.03], [-69.32, 19.68], [-69.25, 19.65], [-69.0, 19.75], [-68.47, 19.53], [-68.25, 19.0], [-68.35, 18.75], [-68.25, 18.5], [-68.37, 18.2], [-68.25, 18.15], [-68.0, 18.25], [-67.47, 18.03], [-67.25, 17.5], [-67.35, 17.25], [-67.25, 17.0], [-67.47, 16.47], [-68.0, 16.25], [-68.25, 16.35], [-68.32, 16.32], [-68.47, 15.97], [-68.82, 15.82], [-68.97, 15.47], [-69.5, 15.25], [-69.75, 15.35], [-70.0, 15.25], [-70.53, 15.47], [-70.75, 16.0], [-70.62, 16.3], [-70.75, 16.35], [-71.0, 16.25], [-71.53, 16.47], [-71.75, 17.0], [-71.53, 17.53], [-71.18, 17.68], [-71.03, 18.03], [-70.68, 18.18], [-70.65, 18.25], [-70.75, 18.5], [-70.65, 18.75], [-70.68, 18.82], [-70.75, 18.85], [-71.0, 18.75], [-71.25, 18.85], [-71.5, 18.75], [-72.03, 18.97]], [[-69.32, 17.82], [-69.35, 17.75], [-69.32, 17.68], [-69.25, 17.65], [-69.18, 17.68], [-69.12, 17.8], [-69.25, 17.85], [-69.32, 17.82]]]]}, "2014-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 18.97], [-72.25, 19.5], [-72.03, 20.03], [-71.5, 20.25], [-71.25, 20.15], [-71.0, 20.25], [-70.75, 20.15], [-70.5, 20.25], [-70.25, 20.15], [-70.0, 20.25], [-69.47, 20.03], [-69.32, 19.68], [-69.25, 19.65], [-69.0, 19.75], [-68.47, 19.53], [-68.25, 19.0], [-68.35, 18.75], [-68.25, 18.5], [-68.37, 18.2], [-68.25, 18.15], [-68.0, 18.25], [-67.47, 18.03], [-67.25, 17.5], [-67.35, 17.25], [-67.25, 17.0], [-67.47, 16.47], [-68.0, 16.25], [-68.25, 16.35], [-68.32, 16.32], [-68.47, 15.97], [-68.82, 15.82], [-68.97, 15.47], [-69.5, 15.25], [-69.75, 15.35], [-70.0, 15.25], [-70.53, 15.47], [-70.75, 16.0], [-70.62, 16.3], [-70.75, 16.35], [-71.0, 16.25], [-71.53, 16.47], [-71.75, 17.0], [-71.53, 17.53], [-71.18, 17.68], [-71.03, 18.03], [-70.68, 18.18], [-70.65, 18.25], [-70.75, 18.5], [-70.65, 18.75], [-70.68, 18.82], [-70.75, 18.85], [-71.0, 18.75], [-71.25, 18.85], [-71.5, 18.75], [-72.03, 18.97]], [[-69.32, 17.82], [-69.35, 17.75], [-69.32, 17.68], [-69.25, 17.65], [-69.18, 17.68], [-69.12, 17.8], [-69.25, 17.85], [-69.32, 17.82]]]]}, "2014-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 18.97], [-72.25, 19.5], [-72.03, 20.03], [-71.5, 20.25], [-71.25, 20.15], [-71.0, 20.25], [-70.75, 20.15], [-70.5, 20.25], [-70.25, 20.15], [-70.0, 20.25], [-69.47, 20.03], [-69.32, 19.68], [-69.25, 19.65], [-69.0, 19.75], [-68.47, 19.53], [-68.25, 19.0], [-68.35, 18.75], [-68.25, 18.5], [-68.47, 17.97], [-69.0, 17.75], [-69.25, 17.85], [-69.5, 17.75], [-69.75, 17.85], [-70.0, 17.75], [-70.53, 17.97], [-70.75, 18.5], [-70.65, 18.75], [-70.68, 18.82], [-70.75, 18.85], [-71.0, 18.75], [-71.25, 18.85], [-71.5, 18.75], [-72.03, 18.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.148493732162251}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.094777214403535}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.769802143992024, 26.343972153738093, 26.184171315748245, 25.32582726615101]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.305036488221333, 24.530686085736306, 24.22617392648135, 24.53045878131286]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8460748119724174, -1.027875402588043, -1.2009777450098578, -1.4651351101665]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.0838034329503898, -1.6689843463680063, -2.148493732162251, -1.8433951328602234]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5496527321685905, -1.6405252030104456, -1.923343977505535, -1.8772397681215982]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9971921126674737, -2.1536761767640282, -2.613486024195199, -2.11898603912472]}}