{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:23.978686", "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-Oct-01_to_2016-Oct-04_317.0_-21.5"}, "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": 2016100000029}, "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": "October 01 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 04 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": 104207.86401695259}, "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"]}, "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": ["South Atlantic Ocean"]}, "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": -21.5}, "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": 317.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "317.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 320.25}, "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": {"2016-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -21.53], [-45.75, -21.0], [-45.53, -20.47], [-45.0, 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[-41.12, -20.7], [-41.25, -20.65], [-41.37, -20.7], [-41.32, -20.82], [-41.25, -20.85], [-41.18, -20.82]]]]}, "2016-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -21.53], [-45.75, -21.0], [-45.53, -20.47], [-45.0, -20.25], [-44.75, -20.35], [-44.5, -20.25], [-44.25, -20.35], [-44.18, -20.32], [-44.15, -20.25], [-44.25, -20.0], [-44.15, -19.75], [-44.25, -19.5], [-44.03, -18.97], [-43.62, -18.8], [-43.75, -18.5], [-43.53, -17.97], [-43.0, -17.75], [-42.75, -17.85], [-42.5, -17.75], [-41.97, -17.97], [-41.75, -18.5], [-41.85, -18.75], [-41.82, -18.82], [-41.75, -18.85], [-41.5, -18.75], [-41.25, -18.85], [-41.0, -18.75], [-40.47, -18.97], [-40.25, -19.5], [-40.35, -19.75], [-40.25, -20.0], [-40.37, -20.3], [-40.25, -20.35], [-40.0, -20.25], [-39.47, -20.47], [-39.25, -21.0], [-39.47, -21.53], [-40.0, -21.75], [-40.25, -21.65], [-40.32, -21.68], [-40.47, -22.03], [-41.0, -22.25], [-41.25, -22.15], [-41.5, -22.25], [-41.75, -22.15], [-41.82, -22.18], 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18.455786242892145, 18.979467299240753, 18.257617977600432]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.38290515006895, 15.378585539233484, 16.017891370082907, 15.766554776952091]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.1685451040882495, -3.5537863647417205, -3.0472951721277344, -3.783302919805182]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.164774222990843, -4.78908038958491, -4.110796728984212, -5.051176665843741]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.477507702543948, -1.704358772449116, -1.4574050497434783, -1.7084824836030736]}, "anom_scaled_evo_maxamp": {"name": "Evolution 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