{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:49.368529", "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": "2013-Mar-13_to_2013-Mar-16_272.0_14.0"}, "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": 2013030000454}, "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": "March 13 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 16 2013"}, "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": 133969.3527762969}, "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", "El Salvador", "Guatemala", "Honduras", "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": ["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": 14.0}, "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": 272.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "272.0\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": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.65, 18.25], [-88.75, 18.5], [-88.53, 19.03], [-88.0, 19.25], [-87.47, 19.03], [-87.25, 18.5], [-87.35, 18.25], [-87.25, 18.0], [-87.35, 17.75], [-87.25, 17.5], [-87.47, 16.97], [-88.0, 16.75], [-88.53, 16.97], [-88.75, 17.5], [-88.65, 17.75], [-88.75, 18.0], [-88.65, 18.25]]]]}, "2013-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.65, 15.75], [-90.75, 16.0], [-90.53, 16.53], [-90.18, 16.68], [-90.03, 17.03], [-89.68, 17.18], [-89.53, 17.53], [-89.18, 17.68], [-89.15, 17.75], [-89.25, 18.0], [-89.03, 18.53], [-88.68, 18.68], [-88.53, 19.03], [-88.0, 19.25], [-87.47, 19.03], [-87.25, 18.5], [-87.35, 18.25], [-87.25, 18.0], [-87.35, 17.75], [-87.25, 17.5], [-87.47, 16.97], [-87.82, 16.82], [-87.85, 16.75], [-87.82, 16.68], [-87.75, 16.65], [-87.5, 16.75], [-87.25, 16.65], [-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], [-84.85, 15.75], [-84.75, 15.5], [-84.97, 14.97], [-85.5, 14.75], [-85.75, 14.85], [-86.0, 14.75], [-86.3, 14.88], [-86.35, 14.75], [-86.25, 14.5], [-86.35, 14.25], [-86.25, 14.0], [-86.47, 13.47], [-87.0, 13.25], [-87.25, 13.35], [-87.5, 13.25], [-87.75, 13.35], [-88.0, 13.25], [-88.25, 13.35], [-88.5, 13.25], [-88.75, 13.35], [-89.0, 13.25], [-89.25, 13.35], [-89.5, 13.25], [-90.03, 13.47], [-90.25, 14.0], [-90.15, 14.25], [-90.18, 14.32], [-90.53, 14.47], [-90.75, 15.0], [-90.65, 15.25], [-90.75, 15.5], [-90.65, 15.75]]]]}, "2013-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.65, 15.75], [-90.75, 16.0], [-90.53, 16.53], [-90.18, 16.68], [-90.03, 17.03], [-89.68, 17.18], [-89.53, 17.53], [-89.18, 17.68], [-89.15, 17.75], [-89.25, 18.0], [-89.03, 18.53], [-88.68, 18.68], [-88.53, 19.03], [-88.0, 19.25], [-87.47, 19.03], [-87.25, 18.5], [-87.35, 18.25], [-87.25, 18.0], [-87.35, 17.75], [-87.25, 17.5], [-87.47, 16.97], [-87.82, 16.82], [-87.85, 16.75], [-87.82, 16.68], [-87.75, 16.65], [-87.5, 16.75], [-87.25, 16.65], [-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], [-84.85, 15.75], [-84.75, 15.5], [-84.97, 14.97], [-85.5, 14.75], [-85.75, 14.85], [-86.0, 14.75], [-86.3, 14.88], [-86.35, 14.75], [-86.25, 14.5], [-86.35, 14.25], [-86.25, 14.0], [-86.47, 13.47], [-87.0, 13.25], [-87.25, 13.35], [-87.5, 13.25], [-87.75, 13.35], [-88.0, 13.25], [-88.25, 13.35], [-88.5, 13.25], [-88.75, 13.35], [-89.0, 13.25], [-89.25, 13.35], [-89.5, 13.25], [-90.03, 13.47], [-90.25, 14.0], [-90.15, 14.25], [-90.18, 14.32], [-90.53, 14.47], [-90.75, 15.0], [-90.65, 15.25], [-90.75, 15.5], [-90.65, 15.75]]]]}, "2013-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.65, 15.75], [-90.75, 16.0], [-90.53, 16.53], [-90.18, 16.68], [-90.03, 17.03], [-89.68, 17.18], [-89.53, 17.53], [-89.18, 17.68], [-89.15, 17.75], [-89.25, 18.0], [-89.03, 18.53], [-88.5, 18.75], [-87.97, 18.53], [-87.75, 18.0], [-87.85, 17.75], [-87.75, 17.5], [-87.85, 17.25], [-87.75, 17.0], [-87.85, 16.75], [-87.82, 16.68], [-87.75, 16.65], [-87.5, 16.75], [-87.25, 16.65], [-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], [-84.85, 15.75], [-84.75, 15.5], [-84.97, 14.97], [-85.5, 14.75], [-85.75, 14.85], [-86.0, 14.75], [-86.3, 14.88], [-86.35, 14.75], [-86.25, 14.5], [-86.35, 14.25], [-86.25, 14.0], [-86.47, 13.47], [-87.0, 13.25], [-87.25, 13.35], [-87.5, 13.25], [-87.75, 13.35], [-88.0, 13.25], [-88.25, 13.35], [-88.5, 13.25], [-88.75, 13.35], [-89.0, 13.25], [-89.25, 13.35], [-89.5, 13.25], [-90.03, 13.47], [-90.25, 14.0], [-90.15, 14.25], [-90.18, 14.32], [-90.53, 14.47], [-90.75, 15.0], [-90.65, 15.25], [-90.75, 15.5], [-90.65, 15.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.208922799377206}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.0862532232267417}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.435671774294235, 20.275921890901543, 20.044708992474057, 20.88693863011713]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.889784168050994, 14.101303216930944, 14.24058244545796, 16.040085425600182]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.9118478529937686, -3.206941845678529, -3.512434832438506, -2.5842069300324346]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.3642023044448592, -5.208922799377206, -5.103008118202808, -3.6151889054888784]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.730000135784156, -1.8618613318254684, -2.097446236818683, -1.607085338515103]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9901361914973248, -2.5701161034960958, -2.7892155549521602, -2.2617257764152456]}}