{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:37.454162", "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-Jun-15_to_2014-Jun-18_274.0_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": 2014060000620}, "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": "June 15 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 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": 74881.91315438291}, "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": ["Honduras", "Nicaragua"]}, "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": []}, "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": 274.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "274.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 272.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 275.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.03, 14.47], [-88.25, 15.0], [-88.03, 15.53], [-87.5, 15.75], [-87.25, 15.65], [-87.0, 15.75], [-86.75, 15.65], [-86.5, 15.75], [-86.25, 15.65], [-86.0, 15.75], [-85.75, 15.65], [-85.68, 15.68], [-85.53, 16.03], [-85.0, 16.25], [-84.47, 16.03], [-84.32, 15.68], [-83.97, 15.53], [-83.75, 15.0], [-83.85, 14.75], [-83.75, 14.5], [-83.96, 14.0], [-83.75, 13.5], [-83.85, 13.25], [-83.75, 13.0], [-83.97, 12.47], [-84.32, 12.32], [-84.47, 11.97], [-85.0, 11.75], [-85.53, 11.97], [-85.75, 12.5], [-85.65, 12.75], [-85.68, 12.82], [-85.75, 12.85], [-86.0, 12.75], [-86.53, 12.97], [-86.68, 13.32], [-87.03, 13.47], [-87.25, 14.0], [-87.15, 14.25], [-87.18, 14.32], [-87.25, 14.35], [-87.5, 14.25], [-88.03, 14.47]]]]}, "2014-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.03, 14.47], [-88.25, 15.0], [-88.03, 15.53], [-87.5, 15.75], [-87.25, 15.65], [-87.0, 15.75], [-86.75, 15.65], [-86.5, 15.75], [-86.25, 15.65], [-86.18, 15.68], [-86.03, 16.03], [-85.5, 16.25], [-85.25, 16.15], [-85.0, 16.25], [-84.47, 16.03], [-84.32, 15.68], [-83.97, 15.53], [-83.75, 15.0], [-83.85, 14.75], [-83.75, 14.5], [-83.96, 14.0], [-83.75, 13.5], [-83.85, 13.25], [-83.75, 13.0], [-83.97, 12.47], [-84.32, 12.32], [-84.47, 11.97], [-85.0, 11.75], [-85.53, 11.97], [-85.75, 12.5], [-85.65, 12.75], [-85.68, 12.82], [-85.75, 12.85], [-86.0, 12.75], [-86.53, 12.97], [-86.68, 13.32], [-87.03, 13.47], [-87.25, 14.0], [-87.15, 14.25], [-87.18, 14.32], [-87.25, 14.35], [-87.5, 14.25], [-88.03, 14.47]]]]}, "2014-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.03, 14.47], [-88.25, 15.0], [-88.03, 15.53], [-87.5, 15.75], [-87.25, 15.65], [-87.0, 15.75], [-86.75, 15.65], [-86.5, 15.75], [-86.25, 15.65], [-86.18, 15.68], [-86.03, 16.03], [-85.5, 16.25], [-85.25, 16.15], [-85.0, 16.25], [-84.47, 16.03], [-84.32, 15.68], [-83.97, 15.53], [-83.75, 15.0], [-83.85, 14.75], [-83.75, 14.5], [-83.96, 14.0], [-83.75, 13.5], [-83.85, 13.25], [-83.75, 13.0], [-83.97, 12.47], [-84.32, 12.32], [-84.47, 11.97], [-85.0, 11.75], [-85.53, 11.97], [-85.75, 12.5], [-85.65, 12.75], [-85.68, 12.82], [-85.75, 12.85], [-86.0, 12.75], [-86.53, 12.97], [-86.68, 13.32], [-87.03, 13.47], [-87.25, 14.0], [-87.15, 14.25], [-87.18, 14.32], [-87.25, 14.35], [-87.5, 14.25], [-88.03, 14.47]]]]}, "2014-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.03, 14.47], [-88.25, 15.0], [-88.03, 15.53], [-87.5, 15.75], [-87.25, 15.65], [-87.0, 15.75], [-86.75, 15.65], [-86.5, 15.75], [-86.25, 15.65], [-86.18, 15.68], [-86.03, 16.03], [-85.5, 16.25], [-85.25, 16.15], [-85.0, 16.25], [-84.47, 16.03], [-84.32, 15.68], [-83.97, 15.53], [-83.75, 15.0], [-83.85, 14.75], [-83.75, 14.5], [-83.96, 14.0], [-83.75, 13.5], [-83.97, 12.97], [-84.5, 12.75], [-85.0, 12.96], [-85.5, 12.75], [-85.75, 12.85], [-86.0, 12.75], [-86.53, 12.97], [-86.68, 13.32], [-87.03, 13.47], [-87.25, 14.0], [-87.15, 14.25], [-87.18, 14.32], [-87.25, 14.35], [-87.5, 14.25], [-88.03, 14.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.9050495612449367}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.6459049312746867}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.740782469864087, 22.782627919156425, 23.101911974610516, 22.618335032257107]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.03528450788764, 20.376232210988178, 21.45353227338603, 20.908087888610737]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.793908687671319, -1.7371454249143607, -1.3845483031322101, -1.679276988848539]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.6223202492097357, -2.9050495612449367, -1.8611493027571555, -2.1406687142003875]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.0423839031552085, -1.9904006259107216, -1.6005727633159, -1.8735195335918475]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.6655832821935177, -3.052757463385483, -2.0397853792540546, -2.2759643001026437]}}