{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:06.365577", "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": "2022-Aug-02_to_2022-Aug-08_274.5_12.0"}, "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": 2022080000175}, "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 02 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 66509.58750112967}, "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", "Honduras", "Nicaragua"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": 12.0}, "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": 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": 273.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 276.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 14.65], [-86.5, 14.75], [-86.25, 14.65], [-86.0, 14.75], [-85.47, 14.53], [-85.25, 14.0], [-85.35, 13.75], [-85.25, 13.5], [-85.35, 13.25], [-85.25, 13.0], [-85.35, 12.75], [-85.32, 12.68], [-85.25, 12.65], [-85.0, 12.75], [-84.47, 12.53], [-84.32, 12.18], [-84.25, 12.15], [-84.0, 12.25], [-83.75, 12.15], [-83.5, 12.25], [-82.97, 12.03], [-82.75, 11.5], [-82.97, 10.97], [-83.32, 10.82], [-83.35, 10.75], [-83.25, 10.5], [-83.47, 9.97], [-84.0, 9.75], [-84.25, 9.85], [-84.5, 9.75], [-84.75, 9.85], [-85.0, 9.75], [-85.53, 9.97], [-85.68, 10.32], [-86.03, 10.47], [-86.25, 11.0], [-86.15, 11.25], [-86.18, 11.32], [-86.53, 11.47], [-86.75, 12.0], [-86.65, 12.25], [-86.75, 12.5], [-86.65, 12.75], [-86.68, 12.82], [-87.03, 12.97], [-87.18, 13.32], [-87.53, 13.47], [-87.75, 14.0], [-87.53, 14.53], [-87.0, 14.75], [-86.75, 14.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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