{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:18.314217", "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": "2023-Jan-13_to_2023-Jan-19_288.0_19.0"}, "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": 2023010000660}, "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": "January 13 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 2023"}, "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": 84736.12782543302}, "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": ["Dominican Republic", "Haiti"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Atlantic Ocean", "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": 19.0}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-73.5, 17.25], [-74.03, 17.47], [-74.18, 17.82], [-74.25, 17.85], [-74.32, 17.82], [-74.47, 17.47], [-75.0, 17.25], [-75.53, 17.47], [-75.75, 18.0], [-75.65, 18.25], [-75.75, 18.5], [-75.65, 18.75], [-75.75, 19.0], [-75.53, 19.53], [-75.0, 19.75], [-74.75, 19.65], [-74.5, 19.75], [-74.25, 19.65], [-74.18, 19.68], [-74.03, 20.03], [-73.68, 20.18], [-73.53, 20.53], [-73.0, 20.75], [-72.47, 20.53], [-72.32, 20.18], [-72.25, 20.15], [-72.18, 20.18], [-72.03, 20.53], [-71.5, 20.75], [-71.25, 20.65], [-71.0, 20.75], [-70.47, 20.53], [-70.32, 20.18], [-69.97, 20.03], [-69.75, 19.5], [-69.85, 19.25], [-69.75, 19.0], [-69.97, 18.47], [-70.5, 18.25], [-70.75, 18.35], [-71.0, 18.25], [-71.25, 18.35], [-71.32, 18.32], [-71.47, 17.97], [-72.0, 17.75], [-72.25, 17.85], [-72.5, 17.75], [-72.75, 17.85], [-72.82, 17.82], [-72.97, 17.47], [-73.5, 17.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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