{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:29.125108", "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-May-15_to_2014-May-22_273.5_11.5"}, "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": 2014050002106}, "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": "May 15 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 22 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 84849.45434262813}, "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": ["Costa Rica", "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": ["North Pacific Ocean"]}, "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": 11.5}, "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": 273.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "273.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 271.75}, "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": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.5, 12.25], [-85.97, 12.03], [-85.75, 11.5], [-85.97, 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11.25], [-88.75, 11.5], [-88.53, 12.03]]]]}, "2014-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.0, 12.25], [-87.75, 12.15], [-87.5, 12.25], [-87.25, 12.15], [-87.0, 12.25], [-86.47, 12.03], [-86.32, 11.68], [-85.97, 11.53], [-85.82, 11.18], [-85.47, 11.03], [-85.25, 10.5], [-85.47, 9.97], [-86.0, 9.75], [-86.25, 9.85], [-86.5, 9.75], [-86.75, 9.85], [-87.0, 9.75], [-87.25, 9.85], [-87.5, 9.75], [-88.03, 9.97], [-88.18, 10.32], [-88.53, 10.47], [-88.75, 11.0], [-88.65, 11.25], [-88.75, 11.5], [-88.53, 12.03], [-88.0, 12.25]]], [[[-85.03, 10.47], [-85.25, 11.0], [-85.03, 11.53], [-84.5, 11.75], [-83.97, 11.53], [-83.75, 11.0], [-83.97, 10.47], [-84.5, 10.25], [-85.03, 10.47]]]]}, "2014-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.53, 12.03], [-88.0, 12.25], [-87.75, 12.15], [-87.5, 12.25], [-87.25, 12.15], [-87.18, 12.18], [-87.15, 12.25], [-87.25, 12.5], [-87.03, 13.03], [-86.68, 13.18], [-86.53, 13.53], [-86.0, 13.75], 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