{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:49.189417", "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-Nov-18_to_2012-Nov-26_274.5_13.5"}, "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": 2012110000689}, "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 18 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 26 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 80854.81354009785}, "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": ["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": 13.5}, "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": 274.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "274.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 272.75}, "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": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.5, 16.75], [-84.97, 16.53], [-84.75, 16.0], [-84.97, 15.47], [-85.5, 15.25], [-86.03, 15.47], [-86.25, 16.0], [-86.03, 16.53], [-85.5, 16.75]]]]}, "2012-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, 15.47], [-86.75, 16.0], [-86.53, 16.53], [-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], [-86.53, 15.47]]]]}, "2012-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, 15.47], [-86.75, 16.0], [-86.53, 16.53], [-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], [-86.53, 15.47]]]]}, "2012-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, 15.47], [-86.75, 16.0], [-86.53, 16.53], [-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], [-86.53, 15.47]]]]}, 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14.85], [-86.0, 14.75], [-85.75, 14.65]]]]}, "2012-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.53, 16.03], [-87.0, 16.25], [-86.5, 16.04], [-86.0, 16.25], [-85.75, 16.15], [-85.5, 16.25], [-85.25, 16.15], [-85.0, 16.25], [-84.47, 16.03], [-84.25, 15.5], [-84.35, 15.25], [-84.32, 15.18], [-83.97, 15.03], [-83.75, 14.5], [-83.85, 14.25], [-83.75, 14.0], [-83.85, 13.75], [-83.75, 13.5], [-83.97, 12.97], [-84.32, 12.82], [-84.35, 12.75], [-84.25, 12.5], [-84.47, 11.97], [-85.0, 11.75], [-85.25, 11.85], [-85.5, 11.75], [-86.03, 11.97], [-86.18, 12.32], [-86.53, 12.47], [-86.75, 13.0], [-86.65, 13.25], [-86.75, 13.5], [-86.65, 13.75], [-86.75, 14.0], [-86.62, 14.3], [-86.75, 14.35], [-87.0, 14.25], [-87.53, 14.47], [-87.75, 15.0], [-87.65, 15.25], [-87.75, 15.5], [-87.53, 16.03]]]]}, "2012-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.53, 16.03], [-87.0, 16.25], [-86.5, 16.04], [-86.0, 16.25], [-85.75, 16.15], [-85.5, 16.25], 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