{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:27.199483", "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": "2012-Sep-28_to_2012-Oct-01_280.5_19.5"}, "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": 2012090001054}, "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 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2012"}, "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": 115817.41485972883}, "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": ["Cuba"]}, "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": 19.5}, "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": 280.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "280.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 277.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 282.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.03, 18.97], [-81.25, 19.5], [-81.03, 20.03], [-80.5, 20.25], [-80.25, 20.15], [-80.0, 20.25], [-79.75, 20.15], [-79.5, 20.25], [-79.25, 20.15], [-79.0, 20.25], [-78.47, 20.03], [-78.25, 19.5], [-78.47, 18.97], [-79.0, 18.75], [-79.25, 18.85], [-79.5, 18.75], [-79.75, 18.85], [-80.0, 18.75], [-80.25, 18.85], [-80.5, 18.75], [-81.03, 18.97]]]]}, "2012-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.53, 20.53], [-82.18, 20.68], [-82.03, 21.03], [-81.68, 21.18], [-81.53, 21.53], [-81.0, 21.75], [-80.75, 21.65], [-80.68, 21.68], [-80.53, 22.03], [-80.18, 22.18], [-80.03, 22.53], [-79.5, 22.75], [-79.25, 22.65], [-79.18, 22.68], [-79.03, 23.03], [-78.5, 23.25], [-77.97, 23.03], [-77.75, 22.5], [-77.85, 22.25], [-77.82, 22.18], [-77.47, 22.03], [-77.25, 21.5], [-77.35, 21.25], [-77.25, 21.0], [-77.47, 20.47], [-77.82, 20.32], [-77.85, 20.25], [-77.75, 20.0], [-77.97, 19.47], [-78.32, 19.32], [-78.47, 18.97], [-78.82, 18.82], [-78.97, 18.47], [-79.5, 18.25], [-79.75, 18.35], [-80.0, 18.25], [-80.53, 18.47], [-80.68, 18.82], [-80.75, 18.85], [-80.82, 18.82], [-80.97, 18.47], [-81.5, 18.25], [-82.03, 18.47], [-82.18, 18.82], [-82.53, 18.97], [-82.75, 19.5], [-82.65, 19.75], [-82.75, 20.0], [-82.53, 20.53]]]]}, "2012-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.53, 20.53], [-82.18, 20.68], [-82.03, 21.03], [-81.68, 21.18], [-81.53, 21.53], [-81.0, 21.75], [-80.75, 21.65], [-80.68, 21.68], [-80.53, 22.03], [-80.18, 22.18], [-80.03, 22.53], [-79.5, 22.75], [-79.25, 22.65], [-79.18, 22.68], [-79.03, 23.03], [-78.5, 23.25], [-77.97, 23.03], [-77.75, 22.5], [-77.85, 22.25], [-77.82, 22.18], [-77.47, 22.03], [-77.25, 21.5], [-77.35, 21.25], [-77.25, 21.0], [-77.47, 20.47], [-77.82, 20.32], [-77.85, 20.25], [-77.75, 20.0], [-77.97, 19.47], [-78.32, 19.32], [-78.47, 18.97], [-78.82, 18.82], [-78.97, 18.47], [-79.5, 18.25], [-79.75, 18.35], [-80.0, 18.25], [-80.53, 18.47], [-80.68, 18.82], [-80.75, 18.85], [-80.82, 18.82], [-80.97, 18.47], [-81.5, 18.25], [-82.03, 18.47], [-82.18, 18.82], [-82.53, 18.97], [-82.75, 19.5], [-82.65, 19.75], [-82.75, 20.0], [-82.53, 20.53]]]]}, "2012-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.53, 20.53], [-82.18, 20.68], [-82.03, 21.03], [-81.68, 21.18], [-81.53, 21.53], [-81.0, 21.75], [-80.75, 21.65], [-80.68, 21.68], [-80.53, 22.03], [-80.18, 22.18], [-80.03, 22.53], [-79.5, 22.75], [-79.25, 22.65], [-79.18, 22.68], [-79.03, 23.03], [-78.5, 23.25], [-77.97, 23.03], [-77.75, 22.5], [-77.85, 22.25], [-77.82, 22.18], [-77.47, 22.03], [-77.25, 21.5], [-77.35, 21.25], [-77.25, 21.0], [-77.47, 20.47], [-77.82, 20.32], [-77.85, 20.25], [-77.75, 20.0], [-77.97, 19.47], [-78.32, 19.32], [-78.47, 18.97], [-78.82, 18.82], [-78.97, 18.47], [-79.5, 18.25], [-79.75, 18.35], [-80.0, 18.25], [-80.53, 18.47], [-80.7, 18.88], [-80.82, 18.82], [-80.97, 18.47], [-81.5, 18.25], [-82.03, 18.47], [-82.18, 18.82], [-82.53, 18.97], [-82.75, 19.5], [-82.65, 19.75], [-82.75, 20.0], [-82.53, 20.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.2480150604326923}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.3704109809208402}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.691227120395524, 26.22938713116349, 25.832331475193882, 26.262163650900675]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.607771098604587, 24.566879120485453, 23.672032721179846, 24.35144214405142]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.0943476013593028, -1.2782311293882713, -1.6516551941452433, -1.2048130078586041]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.1325474440807284, -1.8212265527178602, -2.2480150604326923, -1.6827668294549198]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3744418179270579, -1.6264404164457684, -2.1354417372510155, -1.587276179932037]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.421749248341519, -1.9592072155767823, -2.6278123517281444, -2.2779524846172334]}}