{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:34.878688", "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": "2016-Jun-11_to_2016-Jun-14_287.0_-1.5"}, "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": 2016060000319}, "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": "June 11 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 2016"}, "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": 108075.4682577677}, "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": ["Colombia", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "N.W.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": -1.5}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, -2.47], [-72.0, -2.25], [-71.75, -2.35], [-71.68, 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[-69.75, -3.0], [-69.85, -3.25], [-69.75, -3.5], [-69.97, -4.03], [-70.32, -4.18], [-70.47, -4.53], [-71.0, -4.75], [-71.53, -4.53], [-71.68, -4.18], [-71.75, -4.15], [-72.0, -4.25], [-72.53, -4.03], [-72.68, -3.68], [-72.75, -3.65], [-72.82, -3.68], [-72.97, -4.03], [-73.32, -4.18], [-73.47, -4.53], [-74.0, -4.75], [-74.53, -4.53], [-74.75, -4.0], [-74.65, -3.75], [-74.75, -3.5], [-74.54, -3.0], [-74.68, -2.68], [-75.03, -2.53], [-75.25, -2.0]]]]}, "2016-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.25, -2.0], [-75.03, -1.47], [-74.68, -1.32], [-74.53, -0.97], [-74.18, -0.82], [-74.03, -0.47], [-73.5, -0.25], [-73.25, -0.35], [-73.18, -0.32], [-73.03, 0.03], [-72.5, 0.25], [-72.25, 0.15], [-72.0, 0.25], [-71.47, 0.03], [-71.25, -0.5], [-71.47, -1.03], [-71.82, -1.18], [-71.85, -1.25], [-71.75, -1.5], [-71.85, -1.75], [-71.75, -2.0], [-71.85, -2.25], [-71.82, -2.32], [-71.75, -2.35], [-71.68, -2.32], [-71.53, -1.97], [-71.0, -1.75], [-70.75, -1.85], [-70.5, -1.75], [-69.97, -1.97], [-69.75, -2.5], [-69.85, -2.75], [-69.75, -3.0], [-69.85, -3.25], [-69.75, -3.5], [-69.97, -4.03], [-70.32, -4.18], [-70.47, -4.53], [-71.0, -4.75], [-71.53, -4.53], [-71.68, -4.18], [-71.75, -4.15], [-72.0, -4.25], [-72.53, -4.03], [-72.68, -3.68], [-72.75, -3.65], [-72.82, -3.68], [-72.97, -4.03], [-73.32, -4.18], [-73.47, -4.53], [-74.0, -4.75], [-74.53, -4.53], [-74.75, -4.0], [-74.65, -3.75], [-74.75, -3.5], [-74.54, -3.0], [-74.68, -2.68], [-75.03, -2.53], [-75.25, -2.0]]]]}, "2016-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.25, -2.0], [-75.03, -1.47], [-74.68, -1.32], [-74.53, -0.97], [-74.18, -0.82], [-74.03, -0.47], [-73.5, -0.25], [-73.25, -0.35], [-73.18, -0.32], [-73.03, 0.03], [-72.5, 0.25], [-72.25, 0.15], [-72.0, 0.25], [-71.47, 0.03], [-71.25, -0.5], [-71.47, -1.03], [-71.82, -1.18], [-71.85, -1.25], [-71.75, -1.5], [-71.85, -1.75], [-71.75, -2.0], [-71.85, -2.25], [-71.75, -2.5], [-71.85, -2.75], [-71.75, -3.0], 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anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.259641121031481, -1.3581513069340791, -1.9081922712439077, -1.3747492425592374]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.4208294934920787, -1.800686023209039, -2.4923726598201483, -1.7711295354988579]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5227230619086425, -1.6488329244476727, -2.3630893811883014, -1.7346782687769478]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6985745372441157, -2.1835759550560225, -3.2058305676580487, -2.150402786022295]}}