{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:36.846214", "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-Oct-22_to_2022-Oct-31_319.0_-8.0"}, "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": 2022100000851}, "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": "October 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 31 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 175125.03967959486}, "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": ["Brazil"]}, "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": []}, "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": -8.0}, "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": 319.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "319.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 319.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-45.18, -6.32], [-45.03, -5.97], [-44.68, -5.82], [-44.65, -5.75], [-44.68, -5.68], [-44.75, -5.65], [-45.0, -5.75], [-45.53, -5.53], [-45.75, -5.0], [-45.53, -4.47], [-45.18, -4.32], [-45.15, -4.25], [-45.25, -4.0], [-45.03, -3.47], [-44.5, -3.25], [-44.25, -3.35], [-44.0, -3.25], [-43.75, -3.35], [-43.5, -3.25], [-43.25, -3.35], [-43.18, -3.32], [-43.03, -2.97], [-42.5, -2.75], [-41.97, -2.97], [-41.75, -3.5], [-41.85, -3.75], [-41.75, -4.0], [-41.85, -4.25], [-41.75, -4.5], [-41.85, -4.75], [-41.8, -4.88], [-41.5, -4.75], [-40.97, -4.97], [-40.82, -5.32], [-40.47, -5.47], [-40.25, -6.0], [-40.35, -6.25], [-40.25, -6.5], [-40.35, -6.75], [-40.25, -7.0], [-40.35, -7.25], [-40.32, -7.32], [-39.97, -7.47], [-39.75, -8.0], [-39.85, -8.25], [-39.75, -8.5], [-39.97, -9.03], [-40.5, -9.25], [-41.03, -9.03], [-41.18, -8.68], [-41.25, -8.65], [-41.5, -8.75], [-42.03, -8.53], [-42.2, -8.12], [-42.5, -8.25], [-42.75, -8.15], [-42.82, -8.18], [-42.97, -8.53], [-43.5, -8.75], [-43.75, -8.65], [-44.0, -8.75], [-44.53, -8.53], [-44.68, -8.18], [-44.75, -8.15], [-45.0, -8.25], [-45.25, -8.15], [-45.5, -8.25], 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"value": -6.110669820658131}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.923370958608277}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.970814239689673, 28.878567723948663, 28.990782004002483, 27.248874068783266, 25.564155275110693, 27.346363130178872, 28.09046528985425, 28.564992839644106, 28.567055416059134, 28.01232359115187]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.863648843007752, 28.82515585248865, 28.881642607806782, 23.76086009983152, 23.471365478826726, 24.8978838197811, 26.215376649126938, 27.96145514214237, 27.890011544354422, 28.01232359115187]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.954304987953293, -1.0769686240857368, -0.9714042810631156, 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