{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:03:26.795537", "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": "2025-Feb-14_to_2025-Feb-21_278.5_6.0"}, "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": 2025020000351}, "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": "February 14 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 21 2025"}, "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": "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": 128960.2823569635}, "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": ["Panama"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["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": 6.0}, "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": 278.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "278.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 275.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 279.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-82.82, 4.82], [-82.97, 4.47], [-83.5, 4.25], [-84.03, 4.47], [-84.18, 4.82], [-84.25, 4.85], [-84.32, 4.82], [-84.47, 4.47], [-85.0, 4.25], [-85.53, 4.47], [-85.75, 5.0], [-85.53, 5.53], [-85.18, 5.68], [-85.03, 6.03], [-84.68, 6.18], [-84.65, 6.25], [-84.75, 6.5], [-84.53, 7.03], [-84.18, 7.18], [-84.15, 7.25], [-84.25, 7.5], [-84.03, 8.03], [-83.68, 8.18], [-83.53, 8.53], [-83.18, 8.68], [-83.03, 9.03], [-82.5, 9.25], [-81.97, 9.03], [-81.82, 8.68], [-81.75, 8.65], [-81.5, 8.75], [-80.97, 8.53], [-80.82, 8.18], [-80.75, 8.15], [-80.5, 8.25], [-79.97, 8.03], [-79.75, 7.5], [-79.97, 6.97], [-80.32, 6.82], [-80.35, 6.75], [-80.25, 6.5], [-80.47, 5.97], [-80.82, 5.82], [-80.85, 5.75], [-80.75, 5.5], [-80.85, 5.25], [-80.75, 5.0], [-80.97, 4.47], [-81.5, 4.25], [-81.75, 4.35], [-82.0, 4.25], [-82.53, 4.47], [-82.68, 4.82], [-82.75, 4.85], [-82.82, 4.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America", "N.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event 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