{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:39.348680", "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": "2014-Jun-27_to_2014-Jun-30_306.0_-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": 2014060001047}, "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 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2014"}, "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": 52500.193897085774}, "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": 306.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "306.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 304.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.75}, "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": {"2014-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.03, -2.53], [-56.25, -2.0], [-56.03, -1.47], [-55.5, -1.25], [-55.2, -1.38], [-55.03, -0.97], [-54.5, -0.75], [-54.25, -0.85], [-54.0, -0.75], [-53.75, -0.85], [-53.5, -0.75], [-52.97, -0.97], [-52.75, -1.5], [-52.85, -1.75], [-52.82, -1.82], [-52.47, -1.97], [-52.32, -2.32], [-51.97, -2.47], [-51.75, -3.0], [-51.97, -3.53], [-52.32, -3.68], [-52.47, -4.03], [-53.0, -4.25], [-53.53, -4.03], [-53.68, -3.68], [-53.75, -3.65], [-54.0, -3.75], [-54.53, -3.53], [-54.68, -3.18], [-55.03, -3.03], [-55.2, -2.62], [-55.5, -2.75], [-56.03, -2.53]]]]}, "2014-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -2.0], [-56.03, -1.47], [-55.5, -1.25], [-55.2, -1.38], [-55.03, -0.97], [-54.5, -0.75], [-54.25, -0.85], [-54.0, -0.75], [-53.75, -0.85], [-53.5, -0.75], [-52.97, -0.97], [-52.75, -1.5], [-52.85, -1.75], [-52.82, -1.82], [-52.47, -1.97], [-52.32, -2.32], [-51.97, -2.47], [-51.75, -3.0], [-51.97, -3.53], [-52.32, -3.68], [-52.47, -4.03], [-53.0, -4.25], [-53.53, -4.03], [-53.68, -3.68], [-53.75, -3.65], [-54.0, -3.75], [-54.53, -3.53], [-54.68, -3.18], [-54.75, -3.15], [-55.0, -3.25], [-55.53, -3.03], [-55.68, -2.68], [-56.03, -2.53], [-56.25, -2.0]]]]}, "2014-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -2.0], [-56.03, -1.47], [-55.5, -1.25], [-55.2, -1.38], [-55.03, -0.97], [-54.5, -0.75], [-54.25, -0.85], [-54.0, -0.75], [-53.75, -0.85], [-53.5, -0.75], [-52.97, -0.97], [-52.75, -1.5], [-52.85, -1.75], [-52.82, -1.82], [-52.47, -1.97], [-52.32, -2.32], [-51.97, -2.47], [-51.75, -3.0], [-51.97, -3.53], [-52.32, -3.68], [-52.47, -4.03], [-53.0, -4.25], [-53.53, -4.03], [-53.68, -3.68], [-53.75, -3.65], [-54.0, -3.75], [-54.53, -3.53], [-54.68, -3.18], [-54.75, -3.15], [-55.0, -3.25], [-55.53, -3.03], [-55.68, -2.68], [-56.03, -2.53], [-56.25, -2.0]]]]}, "2014-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.0, -1.75], [-54.47, -1.97], [-54.25, -2.5], [-54.47, -3.03], [-55.0, -3.25], [-55.53, -3.03], [-55.75, -2.5], [-55.53, -1.97], [-55.0, -1.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.5967156430074851}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.2573685257042024}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.8163867129025, 24.776389429249093, 24.829977453249114, 25.92777211159182]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.11928899862994, 23.766614645554, 23.888122968813548, 25.92777211159182]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.2074366408928725, -1.322796863097705, -1.2465108170231527, -1.1285779945737886]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.4313361740314008, -1.5967156430074851, -1.487601798107562, -1.1285779945737886]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.69725154135271, -1.854285292342927, -1.7046518206042458, -1.4355606112219148]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.107808246095518, -2.2201332625245636, -2.0425122241131, -1.4355606112219148]}}