{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:35.465383", "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-Nov-12_to_2016-Nov-14_308.0_-18.5"}, "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": 2016110000444}, "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": "November 12 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 14 2016"}, "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": 187263.9613323952}, "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.E.South-America", "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": -18.5}, "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": 308.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "308.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 310.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, -18.47], [-54.68, -18.32], [-54.53, -17.97], 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-21.53], [-54.75, -21.0], [-54.65, -20.75], [-54.68, -20.68], [-55.03, -20.53], [-55.25, -20.0], [-55.04, -19.5], [-55.25, -19.0], [-55.03, -18.47]]]]}, "2016-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, -18.47], [-54.68, -18.32], [-54.53, -17.97], [-54.18, -17.82], [-54.03, -17.47], [-53.5, -17.25], [-53.25, -17.35], [-53.0, -17.25], [-52.75, -17.35], [-52.68, -17.32], [-52.53, -16.97], [-52.0, -16.75], [-51.75, -16.85], [-51.68, -16.82], [-51.65, -16.75], [-51.75, -16.5], [-51.65, -16.25], [-51.75, -16.0], [-51.65, -15.75], [-51.75, -15.5], [-51.53, -14.97], [-51.0, -14.75], [-50.75, -14.85], [-50.5, -14.75], [-50.25, -14.85], [-50.0, -14.75], [-49.47, -14.97], [-49.25, -15.5], [-49.46, -16.0], [-49.32, -16.32], [-48.97, -16.47], [-48.75, -17.0], [-48.97, -17.53], [-49.32, -17.68], [-49.35, -17.75], [-49.25, -18.0], [-49.47, -18.53], [-49.87, -18.7], [-49.75, -19.0], [-49.97, -19.53], [-50.5, -19.75], [-50.75, -19.65], [-50.82, -19.68], [-50.85, -19.75], [-50.75, -20.0], [-50.85, -20.25], [-50.75, -20.5], [-50.97, -21.03], [-51.32, -21.18], [-51.47, -21.53], [-52.0, -21.75], [-52.25, -21.65], [-52.32, -21.68], [-52.47, -22.03], [-53.0, -22.25], [-53.53, -22.03], [-53.68, -21.68], [-53.75, -21.65], [-54.0, -21.75], [-54.53, -21.53], [-54.75, -21.0], [-54.65, -20.75], [-54.68, -20.68], [-55.03, -20.53], [-55.25, -20.0], [-55.04, -19.5], [-55.25, -19.0], [-55.03, -18.47]]]]}, "2016-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.03, -18.47], [-54.68, -18.32], [-54.53, -17.97], [-54.18, -17.82], [-54.03, -17.47], [-53.5, -17.25], [-53.25, -17.35], [-53.0, -17.25], [-52.75, -17.35], [-52.68, -17.32], [-52.53, -16.97], [-52.0, -16.75], [-51.75, -16.85], [-51.68, -16.82], [-51.65, -16.75], [-51.75, -16.5], [-51.65, -16.25], [-51.75, -16.0], [-51.65, -15.75], [-51.75, -15.5], [-51.53, -14.97], [-51.0, -14.75], [-50.75, -14.85], [-50.5, -14.75], [-50.25, -14.85], [-50.0, -14.75], [-49.47, -14.97], [-49.25, 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"evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.72000323879041, 21.46227857501384, 22.81995879352337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.94805206513746, 19.9410036934201, 21.266191720082816]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.7320681472070705, -3.957950739580573, -2.599278263867542]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.701405341063605, -5.579068158607527, -3.8451588127133505]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6131158020447793, -2.452317799710074, -1.6707107326996573]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.242508952623274, -3.0217880756555004, -2.41909340752602]}}