{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:56.627290", "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": "2019-Jan-29_to_2019-Feb-01_298.0_-14.5"}, "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": 2019010000952}, "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 29 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 01 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 95951.84463644827}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -14.5}, "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": 298.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -12.75], [-64.25, -12.5], [-64.03, -11.97], [-63.5, -11.75], [-62.97, -11.97], [-62.8, -12.38], [-62.5, -12.25], [-62.25, -12.35], [-62.0, -12.25], [-61.75, -12.35], [-61.5, -12.25], [-61.25, -12.35], [-61.0, -12.25], [-60.75, -12.35], [-60.5, -12.25], [-59.97, -12.47], [-59.75, -13.0], [-59.85, -13.25], [-59.82, -13.32], [-59.47, -13.47], [-59.25, -14.0], [-59.35, -14.25], [-59.25, -14.5], [-59.47, -15.03], [-60.0, -15.25], [-60.53, -15.03], [-60.68, -14.68], [-60.75, -14.65], [-60.82, -14.68], [-60.97, -15.03], [-61.32, -15.18], [-61.35, -15.25], [-61.25, -15.5], [-61.47, -16.03], [-61.82, -16.18], [-61.97, -16.53], [-62.5, -16.75], [-63.03, -16.53], [-63.18, -16.18], [-63.53, -16.03], [-63.75, -15.5], [-63.65, -15.25], [-63.75, -15.0], [-63.65, -14.75], [-63.75, -14.5], [-63.65, -14.25], [-63.68, -14.18], [-64.03, -14.03], [-64.25, -13.5], [-64.15, -13.25], [-64.25, -13.0], [-64.15, -12.75]]]]}, "2019-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -12.75], [-64.25, -12.5], [-64.03, -11.97], [-63.5, 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-1.7576331041345803, -1.724994274809914, -1.7942349392326662]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.6783012018785257, -2.1658830600755437, -2.2421031354014644, -1.8618779518238853]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.1233425864158333, -1.6437241279729597, -1.596897998669583, -1.5560131968172404]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.7272161206638637, -2.144925051666283, -2.0292787785371225, -1.5798454124346932]}}