{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:42.896923", "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-May-31_to_2010-Jun-02_306.0_-19.0"}, "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": 2010050000966}, "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": "May 31 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 02 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": 101499.47220179239}, "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": ["S.E.South-America", "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": -19.0}, "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": 304.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, -19.0], [-55.53, -18.47], [-55.0, -18.25], [-54.75, -18.35], [-54.5, -18.25], [-54.25, -18.35], [-54.18, -18.32], [-54.03, -17.97], [-53.5, -17.75], [-53.25, -17.85], [-53.0, -17.75], [-52.47, -17.97], [-52.32, -18.32], [-51.97, -18.47], [-51.82, -18.82], [-51.47, -18.97], [-51.25, -19.5], [-51.37, -19.8], [-51.25, -19.85], [-51.0, -19.75], [-50.47, -19.97], [-50.25, -20.5], [-50.35, -20.75], [-50.25, -21.0], [-50.46, -21.5], [-50.25, -22.0], [-50.47, -22.53], [-51.0, -22.75], [-51.5, -22.54], [-52.0, -22.75], [-52.25, -22.65], [-52.5, -22.75], [-53.03, -22.53], [-53.25, -22.0], [-53.15, -21.75], [-53.18, -21.68], [-53.53, -21.53], [-53.7, -21.12], [-54.0, -21.25], [-54.25, -21.15], [-54.5, -21.25], [-55.03, -21.03], [-55.25, -20.5], [-55.15, -20.25], [-55.25, -20.0], [-55.15, -19.75], [-55.18, -19.68], [-55.53, -19.53], [-55.75, -19.0]]]]}, "2010-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, -19.0], [-55.53, -18.47], [-55.0, -18.25], [-54.75, -18.35], [-54.5, -18.25], [-54.25, -18.35], [-54.18, -18.32], [-54.03, -17.97], [-53.5, -17.75], [-53.25, -17.85], [-53.0, -17.75], [-52.47, -17.97], [-52.32, -18.32], [-51.97, -18.47], [-51.82, -18.82], [-51.47, -18.97], [-51.25, -19.5], [-51.37, -19.8], [-51.25, -19.85], [-51.0, -19.75], [-50.47, -19.97], [-50.25, -20.5], [-50.35, -20.75], [-50.25, -21.0], [-50.46, -21.5], [-50.25, -22.0], [-50.47, -22.53], [-51.0, -22.75], [-51.5, -22.54], [-52.0, -22.75], [-52.25, -22.65], [-52.5, -22.75], [-53.03, -22.53], [-53.25, -22.0], [-53.15, -21.75], [-53.18, -21.68], [-53.53, -21.53], [-53.7, -21.12], [-54.0, -21.25], [-54.25, -21.15], [-54.5, -21.25], [-55.03, -21.03], [-55.25, -20.5], [-55.15, -20.25], [-55.25, -20.0], [-55.15, -19.75], [-55.18, -19.68], [-55.53, -19.53], [-55.75, -19.0]]]]}, "2010-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.75, -19.0], [-55.53, -18.47], [-55.0, -18.25], [-54.75, -18.35], [-54.5, -18.25], [-54.25, -18.35], [-54.18, -18.32], [-54.03, -17.97], [-53.5, -17.75], [-53.25, -17.85], [-53.0, -17.75], [-52.47, -17.97], [-52.32, -18.32], [-51.97, -18.47], [-51.82, -18.82], [-51.47, -18.97], [-51.25, -19.5], [-51.37, -19.8], [-51.25, -19.85], [-51.0, -19.75], [-50.47, -19.97], [-50.25, -20.5], [-50.35, -20.75], [-50.25, -21.0], [-50.46, -21.5], [-50.25, -22.0], [-50.47, -22.53], [-51.0, -22.75], [-51.5, -22.54], [-52.0, -22.75], [-52.25, -22.65], [-52.5, -22.75], [-53.03, -22.53], [-53.25, -22.0], [-53.15, -21.75], [-53.18, -21.68], [-53.53, -21.53], [-53.7, -21.12], [-54.0, -21.25], [-54.25, -21.15], [-54.5, -21.25], [-55.03, -21.03], [-55.25, -20.5], [-55.15, -20.25], [-55.25, -20.0], [-55.15, -19.75], [-55.18, -19.68], [-55.53, -19.53], [-55.75, -19.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.337360776241383}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.1806328140588365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.694176437349995, 16.287299070878873, 17.366156511453198]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.63049475661171, 14.38036518097988, 15.927003338911106]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.297811180717431, -4.667878740155652, -3.576208521303428]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.337360776241383, -5.7298769856128615, -4.0673682056872735]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.668876903498305, -1.868085181591707, -1.4339418673608142]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.163999683106219, -2.628507424091227, -1.6421777855507704]}}