{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:16.464036", "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-Aug-05_to_2019-Aug-07_303.0_-2.0"}, "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": 2019080000179}, "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": "August 05 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 2019"}, "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": 237930.73796550767}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "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": -2.0}, "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": 303.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "303.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 304.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -0.25], [-62.75, 0.0], [-62.53, 0.53], [-62.0, 0.75], 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-1.75], [-61.75, -1.65], [-62.0, -1.75], [-62.53, -1.53], [-62.75, -1.0], [-62.65, -0.75], [-62.75, -0.5], [-62.65, -0.25]]]]}, "2019-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -0.25], [-62.75, 0.0], [-62.53, 0.53], [-62.0, 0.75], [-61.75, 0.65], [-61.5, 0.75], [-61.25, 0.65], [-61.18, 0.68], [-61.03, 1.03], [-60.5, 1.25], [-60.25, 1.15], [-60.0, 1.25], [-59.75, 1.15], [-59.68, 1.18], [-59.53, 1.53], [-59.0, 1.75], [-58.75, 1.65], [-58.5, 1.75], [-58.25, 1.65], [-58.0, 1.75], [-57.75, 1.65], [-57.5, 1.75], [-56.97, 1.53], [-56.82, 1.18], [-56.47, 1.03], [-56.25, 0.5], [-56.35, 0.25], [-56.32, 0.18], [-55.97, 0.03], [-55.75, -0.5], [-55.85, -0.75], [-55.75, -1.0], [-55.85, -1.25], [-55.82, -1.32], [-55.47, -1.47], [-55.32, -1.82], [-54.97, -1.97], [-54.75, -2.5], [-54.97, -3.03], [-55.32, -3.18], [-55.47, -3.53], [-56.0, -3.75], [-56.3, -3.62], [-56.47, -4.03], [-57.0, -4.25], [-57.25, -4.15], [-57.5, -4.25], [-58.03, -4.03], [-58.25, -3.5], [-58.15, 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"description": "The daily evolution of mean t2m.", "value": [24.0475142606619, 23.965034457499485, 24.41854487140273]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.856333341166817, 21.562696265030525, 22.681802924480223]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.020438257989334, -2.1212848323607556, -1.676185854572393]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.8636871216104964, -2.8305152939571485, -2.3391308061138716]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.101512717531971, -2.270120404630487, -1.7556194864561294]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.7617528136577434, -3.256993107219275, -2.220836727829531]}}