{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:06.822212", "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": "2010-Nov-13_to_2010-Nov-15_22.0_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": 2010110000596}, "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": "November 13 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 15 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 119842.67825615531}, "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": ["Central African Republic", "South Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "N.Eastern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 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": 22.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.75, 6.0], [20.97, 6.53], [21.5, 6.75], [21.75, 6.65], [22.0, 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6.0]]]]}, "2010-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.75, 6.0], [20.97, 6.53], [21.5, 6.75], [21.75, 6.65], [22.0, 6.75], [22.25, 6.65], [22.32, 6.68], [22.47, 7.03], [22.82, 7.18], [22.97, 7.53], [23.5, 7.75], [23.75, 7.65], [24.0, 7.75], [24.25, 7.65], [24.32, 7.68], [24.47, 8.03], [25.0, 8.25], [25.53, 8.03], [25.7, 7.63], [26.0, 7.75], [26.25, 7.65], [26.5, 7.75], [27.03, 7.53], [27.2, 7.13], [27.32, 7.18], [27.47, 7.53], [28.0, 7.75], [28.53, 7.53], [28.75, 7.0], [28.65, 6.75], [28.68, 6.68], [28.75, 6.65], [29.0, 6.75], [29.25, 6.65], [29.5, 6.75], [30.03, 6.53], [30.25, 6.0], [30.15, 5.75], [30.25, 5.5], [30.03, 4.97], [29.5, 4.75], [29.25, 4.85], [29.0, 4.75], [28.5, 4.96], [28.18, 4.82], [28.03, 4.47], [27.5, 4.25], [26.97, 4.47], [26.82, 4.82], [26.5, 4.96], [26.0, 4.75], [25.75, 4.85], [25.5, 4.75], [24.97, 4.97], [24.82, 5.32], [24.47, 5.47], [24.32, 5.82], [23.97, 5.97], [23.82, 6.32], [23.75, 6.35], [23.68, 6.32], [23.65, 6.25], [23.75, 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"description": "The daily evolution of mean t2m anomalies.", "value": [-1.7657465073830674, -1.8953972918965234, -1.4825286294693831]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.7634548513514687, -2.6847652380201907, -2.44971302441229]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7544961285034522, -1.9239108778809275, -1.4897720016501865]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.4809199211336805, -2.9692421834920495, -2.3958664436075896]}}