{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:50.291346", "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-Jun-05_to_2010-Jun-08_315.0_-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": 2010060000223}, "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 05 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 2010"}, "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": 84432.90448810745}, "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": []}, "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": 315.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 312.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.75}, "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": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.0, -18.75], [-46.75, -18.85], [-46.5, -18.75], [-45.97, 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[-44.35, -19.25], [-44.25, -19.5], [-44.35, -19.75], [-44.32, -19.82], [-43.97, -19.97], [-43.75, -20.5], [-43.97, -21.03], [-44.32, -21.18], [-44.47, -21.53], [-45.0, -21.75], [-45.53, -21.53], [-45.68, -21.18], [-45.75, -21.15], [-45.82, -21.18], [-45.97, -21.53], [-46.32, -21.68], [-46.47, -22.03], [-47.0, -22.25], [-47.53, -22.03], [-47.75, -21.5], [-47.65, -21.25], [-47.75, -21.0], [-47.65, -20.75], [-47.75, -20.5], [-47.65, -20.25], [-47.68, -20.18], [-48.03, -20.03], [-48.25, -19.5]]]]}, "2010-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.25, -19.5], [-48.03, -18.97], [-47.68, -18.82], [-47.53, -18.47], [-47.0, -18.25], [-46.7, -18.38], [-46.65, -18.25], [-46.75, -18.0], [-46.53, -17.47], [-46.0, -17.25], [-45.5, -17.46], [-45.0, -17.25], [-44.75, -17.35], [-44.5, -17.25], [-43.97, -17.47], [-43.75, -18.0], [-43.85, -18.25], [-43.75, -18.5], [-43.97, -19.03], [-44.32, -19.18], [-44.35, -19.25], [-44.25, -19.5], [-44.35, -19.75], [-44.32, -19.82], [-43.97, -19.97], [-43.75, -20.5], [-43.97, -21.03], [-44.32, -21.18], [-44.47, -21.53], [-45.0, -21.75], [-45.53, -21.53], [-45.68, -21.18], [-45.75, -21.15], [-45.82, -21.18], [-45.97, -21.53], [-46.32, -21.68], [-46.47, -22.03], [-47.0, -22.25], [-47.53, -22.03], [-47.75, -21.5], [-47.65, -21.25], [-47.75, -21.0], [-47.65, -20.75], [-47.75, -20.5], [-47.65, -20.25], [-47.68, -20.18], [-48.03, -20.03], [-48.25, -19.5]]]]}, "2010-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.25, -19.5], [-48.03, -18.97], [-47.68, -18.82], [-47.53, -18.47], [-47.0, -18.25], [-46.7, -18.38], [-46.53, -17.97], [-46.0, -17.75], [-45.75, -17.85], [-45.5, -17.75], [-45.25, -17.85], [-45.0, -17.75], [-44.75, -17.85], [-44.5, -17.75], [-43.97, -17.97], [-43.75, -18.5], [-43.97, -19.03], [-44.32, -19.18], [-44.35, -19.25], [-44.25, -19.5], [-44.35, -19.75], [-44.32, -19.82], [-43.97, -19.97], [-43.75, -20.5], [-43.97, -21.03], [-44.32, -21.18], [-44.47, -21.53], [-45.0, -21.75], 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of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.481026960689327, -3.1069127125488194, -3.774687023719958, -2.7005405341808704]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.7879286182907776, -3.851334956928042, -5.1266194497021615, -3.4318739178539204]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4902129086403295, -1.7470912589686398, -2.1319587306860077, -1.5281934599515707]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6960992054797805, -2.1409473631443614, -2.7822197012160257, -2.0271995813481967]}}