{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:42.769494", "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-Nov-02_to_2014-Nov-04_270.0_20.5"}, "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": 2014110000149}, "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": "November 02 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 04 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": 61244.03074880403}, "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", "Mexico"]}, "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": ["Gulf of Mexico"]}, "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": 20.5}, "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": 270.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 268.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 271.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 20.03], [-91.68, 20.18], [-91.53, 20.53], [-91.18, 20.68], [-91.03, 21.03], [-90.5, 21.25], [-90.25, 21.15], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-88.97, 21.03], [-88.82, 20.68], [-88.47, 20.53], [-88.32, 20.18], [-87.97, 20.03], [-87.75, 19.5], [-87.85, 19.25], [-87.75, 19.0], [-87.97, 18.47], [-88.32, 18.32], [-88.35, 18.25], [-88.25, 18.0], [-88.35, 17.75], [-88.32, 17.68], [-87.97, 17.53], [-87.75, 17.0], [-87.97, 16.47], [-88.5, 16.25], [-89.03, 16.47], [-89.18, 16.82], [-89.53, 16.97], [-89.75, 17.5], [-89.65, 17.75], [-89.75, 18.0], [-89.65, 18.25], [-89.68, 18.32], [-90.03, 18.47], [-90.25, 19.0], [-90.15, 19.25], [-90.18, 19.32], [-90.25, 19.35], [-90.32, 19.32], [-90.47, 18.97], [-90.82, 18.82], [-90.97, 18.47], [-91.5, 18.25], [-92.03, 18.47], [-92.25, 19.0], [-92.15, 19.25], [-92.25, 19.5], [-92.03, 20.03]]]]}, "2014-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 20.03], [-91.68, 20.18], [-91.53, 20.53], [-91.18, 20.68], [-91.03, 21.03], [-90.5, 21.25], [-90.25, 21.15], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-88.97, 21.03], [-88.82, 20.68], [-88.47, 20.53], [-88.32, 20.18], [-87.97, 20.03], [-87.75, 19.5], [-87.85, 19.25], [-87.75, 19.0], [-87.97, 18.47], [-88.32, 18.32], [-88.35, 18.25], [-88.25, 18.0], [-88.35, 17.75], [-88.32, 17.68], [-87.97, 17.53], [-87.75, 17.0], [-87.97, 16.47], [-88.5, 16.25], [-89.03, 16.47], [-89.18, 16.82], [-89.53, 16.97], [-89.75, 17.5], [-89.65, 17.75], [-89.75, 18.0], [-89.65, 18.25], [-89.68, 18.32], [-90.03, 18.47], [-90.25, 19.0], [-90.15, 19.25], [-90.18, 19.32], [-90.25, 19.35], [-90.32, 19.32], [-90.47, 18.97], [-90.82, 18.82], [-90.97, 18.47], [-91.5, 18.25], [-92.03, 18.47], [-92.25, 19.0], [-92.15, 19.25], [-92.25, 19.5], [-92.03, 20.03]]]]}, "2014-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.03, 20.03], [-91.68, 20.18], [-91.53, 20.53], [-91.18, 20.68], [-91.03, 21.03], [-90.5, 21.25], [-90.25, 21.15], [-90.0, 21.25], [-89.75, 21.15], [-89.5, 21.25], [-88.97, 21.03], [-88.82, 20.68], [-88.47, 20.53], [-88.32, 20.18], [-87.97, 20.03], [-87.75, 19.5], [-87.85, 19.25], [-87.75, 19.0], [-87.97, 18.47], [-88.32, 18.32], [-88.35, 18.25], [-88.25, 18.0], [-88.35, 17.75], [-88.32, 17.68], [-87.97, 17.53], [-87.75, 17.0], [-87.97, 16.47], [-88.5, 16.25], [-89.03, 16.47], [-89.18, 16.82], [-89.53, 16.97], [-89.75, 17.5], [-89.65, 17.75], [-89.75, 18.0], [-89.65, 18.25], [-89.68, 18.32], [-90.03, 18.47], [-90.25, 19.0], [-90.15, 19.25], [-90.18, 19.32], [-90.25, 19.35], [-90.32, 19.32], [-90.47, 18.97], [-90.82, 18.82], [-90.97, 18.47], [-91.5, 18.25], [-92.03, 18.47], [-92.25, 19.0], [-92.15, 19.25], [-92.25, 19.5], [-92.03, 20.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.53210110622399}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.69370777347659}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.155647979256855, 22.291982356048266, 23.085757105772927]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.303072960531722, 21.189953861699678, 22.135929524871187]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.47876537734067, -3.2444274801749122, -2.357930462914188]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.690397052986043, -4.53210110622399, -3.4828827952383676]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6411260379738053, -2.1807800676440317, -1.6021361706131532]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.935002954133022, -2.4618731558989877, -1.8701302028520768]}}