{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:03.807671", "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-Apr-09_to_2014-Apr-11_271.5_14.5"}, "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": 2014040000368}, "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": "April 09 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 11 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": "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": 65576.93690977851}, "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": ["Belize", "Guatemala", "Honduras"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-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": ["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": 14.5}, "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": 271.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "271.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 269.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 274.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.53, 15.53], [-90.18, 15.68], [-90.15, 15.75], [-90.25, 16.0], [-90.15, 16.25], [-90.25, 16.5], [-90.03, 17.03], [-89.5, 17.25], [-88.97, 17.03], [-88.82, 16.68], [-88.47, 16.53], [-88.32, 16.18], [-88.25, 16.15], [-88.0, 16.25], [-87.75, 16.15], [-87.68, 16.18], [-87.53, 16.53], [-87.0, 16.75], [-86.75, 16.65], [-86.5, 16.75], [-86.25, 16.65], [-86.0, 16.75], [-85.75, 16.65], [-85.5, 16.75], [-84.97, 16.53], [-84.75, 16.0], [-84.97, 15.47], [-85.5, 15.25], [-85.75, 15.35], [-86.0, 15.25], [-86.25, 15.35], [-86.5, 15.25], [-86.75, 15.35], [-86.82, 15.32], [-86.97, 14.97], [-87.32, 14.82], [-87.35, 14.75], [-87.25, 14.5], [-87.47, 13.97], [-88.0, 13.75], [-88.25, 13.85], [-88.5, 13.75], [-88.75, 13.85], [-89.0, 13.75], [-89.25, 13.85], [-89.5, 13.75], [-89.75, 13.85], [-90.0, 13.75], [-90.53, 13.97], [-90.75, 14.5], [-90.65, 14.75], [-90.75, 15.0], [-90.53, 15.53]]]]}, "2014-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.53, 15.53], [-90.18, 15.68], [-90.15, 15.75], [-90.25, 16.0], [-90.15, 16.25], [-90.25, 16.5], [-90.03, 17.03], [-89.5, 17.25], [-88.97, 17.03], [-88.82, 16.68], [-88.47, 16.53], [-88.32, 16.18], [-88.25, 16.15], [-88.0, 16.25], [-87.75, 16.15], [-87.68, 16.18], [-87.53, 16.53], [-87.0, 16.75], [-86.75, 16.65], [-86.5, 16.75], [-86.25, 16.65], [-86.0, 16.75], [-85.75, 16.65], [-85.5, 16.75], [-84.97, 16.53], [-84.75, 16.0], [-84.97, 15.47], [-85.5, 15.25], [-85.75, 15.35], [-86.0, 15.25], [-86.25, 15.35], [-86.5, 15.25], [-86.75, 15.35], [-86.82, 15.32], [-86.97, 14.97], [-87.32, 14.82], [-87.35, 14.75], [-87.25, 14.5], [-87.47, 13.97], [-88.0, 13.75], [-88.25, 13.85], [-88.5, 13.75], [-88.75, 13.85], [-89.0, 13.75], [-89.25, 13.85], [-89.5, 13.75], [-89.75, 13.85], [-90.0, 13.75], [-90.53, 13.97], [-90.75, 14.5], [-90.65, 14.75], [-90.75, 15.0], [-90.53, 15.53]]]]}, "2014-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.53, 15.53], [-90.18, 15.68], [-90.15, 15.75], [-90.25, 16.0], [-90.15, 16.25], [-90.25, 16.5], [-90.03, 17.03], [-89.5, 17.25], [-88.97, 17.03], [-88.82, 16.68], [-88.47, 16.53], [-88.32, 16.18], [-88.25, 16.15], [-88.0, 16.25], [-87.75, 16.15], [-87.68, 16.18], [-87.53, 16.53], [-87.0, 16.75], [-86.75, 16.65], [-86.5, 16.75], [-86.25, 16.65], [-86.0, 16.75], [-85.75, 16.65], [-85.5, 16.75], [-84.97, 16.53], [-84.75, 16.0], [-84.97, 15.47], [-85.5, 15.25], [-85.75, 15.35], [-86.0, 15.25], [-86.25, 15.35], [-86.5, 15.25], [-86.75, 15.35], [-86.82, 15.32], [-86.97, 14.97], [-87.32, 14.82], [-87.35, 14.75], [-87.25, 14.5], [-87.47, 13.97], [-88.0, 13.75], [-88.25, 13.85], [-88.5, 13.75], [-88.75, 13.85], [-89.0, 13.75], [-89.25, 13.85], [-89.5, 13.75], [-89.75, 13.85], [-90.0, 13.75], [-90.53, 13.97], [-90.75, 14.5], [-90.65, 14.75], [-90.75, 15.0], [-90.53, 15.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.020281676770992}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.9091172037284525}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.00113000368367, 20.417562359293754, 22.272895326644687]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.09412744344644, 15.49970911882366, 18.168885214949114]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.4379448640853214, -4.055903196959693, -2.2335035501403437]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.552883203792078, -6.020281676770992, -3.215856766460263]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.627532692895416, -2.688560806012209, -1.5298702004757052]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.244099808967008, -3.3811278235920077, -2.2044051564848375]}}