{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:08.805958", "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": "2016-Aug-16_to_2016-Aug-21_276.5_9.5"}, "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": 2016080002203}, "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": "August 16 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 21 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 60738.63966576879}, "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", "Panama"]}, "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": 9.5}, "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": 276.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "276.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 274.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 277.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.03, 8.97], [-84.25, 9.5], [-84.03, 10.03], [-83.5, 10.25], [-83.25, 10.15], [-83.0, 10.25], [-82.47, 10.03], [-82.32, 9.68], [-81.97, 9.53], [-81.75, 9.0], [-81.97, 8.47], [-82.5, 8.25], [-83.03, 8.47], [-83.18, 8.82], [-83.25, 8.85], [-83.5, 8.75], [-84.03, 8.97]]]]}, "2016-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 9.47], [-86.25, 10.0], [-86.03, 10.53], [-85.5, 10.75], [-85.0, 10.54], [-84.5, 10.75], [-84.25, 10.65], [-84.0, 10.75], [-83.47, 10.53], [-83.32, 10.18], [-83.25, 10.15], [-83.0, 10.25], [-82.47, 10.03], [-82.32, 9.68], [-81.97, 9.53], [-81.75, 9.0], [-81.97, 8.47], [-82.5, 8.25], [-82.75, 8.35], [-83.0, 8.25], [-83.25, 8.35], [-83.5, 8.25], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.68, 9.32], [-85.0, 9.46], [-85.5, 9.25], [-86.03, 9.47]]]]}, "2016-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 11.53], [-85.68, 11.68], [-85.65, 11.75], [-85.75, 12.0], [-85.53, 12.53], [-85.18, 12.68], [-85.03, 13.03], [-84.5, 13.25], [-84.25, 13.15], [-84.0, 13.25], [-83.47, 13.03], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.35, 11.75], [-83.25, 11.5], [-83.47, 10.97], [-83.82, 10.82], [-83.87, 10.7], [-83.47, 10.53], [-83.32, 10.18], [-83.25, 10.15], [-83.0, 10.25], [-82.47, 10.03], [-82.32, 9.68], [-81.97, 9.53], [-81.75, 9.0], [-81.97, 8.47], [-82.5, 8.25], [-82.75, 8.35], [-83.0, 8.25], [-83.25, 8.35], [-83.5, 8.25], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.68, 9.32], [-85.0, 9.46], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.04, 10.5], [-86.25, 11.0], [-86.03, 11.53]]]]}, "2016-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 11.53], [-85.68, 11.68], [-85.65, 11.75], [-85.75, 12.0], [-85.53, 12.53], [-85.18, 12.68], [-85.03, 13.03], [-84.5, 13.25], [-84.25, 13.15], [-84.0, 13.25], [-83.47, 13.03], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.35, 11.75], [-83.25, 11.5], [-83.47, 10.97], [-83.82, 10.82], [-83.87, 10.7], [-83.47, 10.53], [-83.32, 10.18], [-83.25, 10.15], [-83.0, 10.25], [-82.47, 10.03], [-82.25, 9.5], [-82.35, 9.25], [-82.25, 9.0], [-82.47, 8.47], [-83.0, 8.25], [-83.25, 8.35], [-83.5, 8.25], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.68, 9.32], [-85.0, 9.46], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.04, 10.5], [-86.25, 11.0], [-86.03, 11.53]]]]}, "2016-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 11.53], [-85.68, 11.68], [-85.65, 11.75], [-85.75, 12.0], [-85.53, 12.53], [-85.18, 12.68], [-85.03, 13.03], [-84.5, 13.25], [-84.25, 13.15], [-84.0, 13.25], [-83.47, 13.03], [-83.25, 12.5], [-83.35, 12.25], [-83.25, 12.0], [-83.35, 11.75], [-83.25, 11.5], [-83.47, 10.97], [-83.82, 10.82], [-83.87, 10.7], [-83.47, 10.53], [-83.32, 10.18], [-82.97, 10.03], [-82.75, 9.5], [-82.85, 9.25], [-82.75, 9.0], [-82.97, 8.47], [-83.5, 8.25], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.68, 9.32], [-85.0, 9.46], [-85.5, 9.25], [-86.03, 9.47], [-86.25, 10.0], [-86.04, 10.5], [-86.25, 11.0], [-86.03, 11.53]]]]}, "2016-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.03, 10.03], [-83.5, 10.25], [-82.97, 10.03], [-82.75, 9.5], [-82.85, 9.25], [-82.75, 9.0], [-82.97, 8.47], [-83.5, 8.25], [-84.03, 8.47], [-84.25, 9.0], [-84.15, 9.25], [-84.25, 9.5], [-84.03, 10.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8160631743008935}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.162669061177104}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.057129134711374, 22.2001096221112, 24.650989830585274, 24.861957280009563, 25.147197831607684, 20.972563024933493]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.589927494471226, 26.4083995285323, 27.75320711968908, 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