{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:48.145960", "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": "2012-Nov-08_to_2012-Nov-12_316.0_-13.5"}, "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": 2012110000403}, "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 08 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 12 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 129479.6692447899}, "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"]}, "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": -13.5}, "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": 316.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "316.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 316.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.0, -12.75], [-43.47, -12.97], [-43.25, -13.5], [-43.47, -14.03], [-44.0, -14.25], [-44.53, -14.03], [-44.75, -13.5], [-44.53, -12.97], [-44.0, -12.75]]]]}, "2012-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.65, -13.25], [-46.75, -13.0], [-46.65, -12.75], [-46.75, -12.5], [-46.65, -12.25], [-46.75, -12.0], [-46.65, -11.75], [-46.75, -11.5], [-46.65, -11.25], [-46.75, -11.0], [-46.53, -10.47], [-46.18, -10.32], [-46.03, -9.97], [-45.5, -9.75], [-44.97, -9.97], [-44.75, -10.5], [-44.85, -10.75], [-44.82, -10.82], [-44.75, -10.85], [-44.5, -10.75], [-44.25, -10.85], [-44.0, -10.75], [-43.47, -10.97], [-43.25, -11.5], [-43.35, -11.75], [-43.32, -11.82], [-42.97, -11.97], [-42.75, -12.5], [-42.85, -12.75], [-42.75, -13.0], [-42.97, -13.53], [-43.32, -13.68], [-43.35, -13.75], [-43.25, -14.0], [-43.35, -14.25], [-43.25, -14.5], [-43.47, -15.03], [-43.82, -15.18], [-43.85, -15.25], [-43.75, -15.5], [-43.97, -16.03], [-44.5, -16.25], [-45.03, -16.03], [-45.18, -15.68], [-45.25, -15.65], [-45.5, -15.75], [-46.03, -15.53], [-46.25, -15.0], [-46.15, -14.75], [-46.18, -14.68], [-46.53, -14.53], [-46.75, -14.0], [-46.65, -13.75], [-46.75, -13.5], [-46.65, -13.25]]]]}, "2012-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.65, -13.25], [-46.75, -13.0], [-46.65, -12.75], [-46.75, -12.5], [-46.65, -12.25], [-46.75, -12.0], [-46.65, -11.75], [-46.75, -11.5], [-46.65, -11.25], [-46.75, -11.0], [-46.53, -10.47], [-46.18, -10.32], [-46.03, -9.97], [-45.5, -9.75], [-44.97, -9.97], [-44.75, -10.5], [-44.85, -10.75], [-44.82, -10.82], [-44.75, -10.85], [-44.5, -10.75], [-44.25, -10.85], [-44.0, -10.75], [-43.47, -10.97], [-43.25, -11.5], [-43.35, -11.75], [-43.32, -11.82], [-42.97, -11.97], [-42.75, -12.5], [-42.85, -12.75], [-42.75, -13.0], [-42.97, -13.53], [-43.32, -13.68], [-43.35, -13.75], [-43.25, -14.0], [-43.35, -14.25], [-43.25, -14.5], [-43.47, -15.03], [-43.82, -15.18], [-43.85, -15.25], [-43.75, -15.5], [-43.97, -16.03], [-44.5, -16.25], [-45.03, -16.03], [-45.18, -15.68], [-45.25, -15.65], [-45.5, -15.75], [-46.03, -15.53], [-46.25, -15.0], [-46.15, -14.75], [-46.18, -14.68], [-46.53, -14.53], [-46.75, -14.0], [-46.65, -13.75], [-46.75, -13.5], [-46.65, -13.25]]]]}, "2012-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.65, -13.25], [-46.75, -13.0], [-46.65, -12.75], [-46.75, -12.5], [-46.65, -12.25], [-46.75, -12.0], [-46.65, -11.75], [-46.75, -11.5], [-46.65, -11.25], [-46.75, -11.0], [-46.53, -10.47], [-46.18, -10.32], [-46.03, -9.97], [-45.5, -9.75], [-44.97, -9.97], [-44.75, -10.5], [-44.85, -10.75], [-44.82, -10.82], [-44.75, -10.85], [-44.5, -10.75], [-44.25, -10.85], [-44.0, -10.75], [-43.47, -10.97], [-43.25, -11.5], [-43.35, -11.75], [-43.32, -11.82], [-42.97, -11.97], [-42.75, -12.5], [-42.85, -12.75], [-42.75, -13.0], [-42.97, -13.53], [-43.32, -13.68], [-43.35, -13.75], [-43.25, -14.0], [-43.35, -14.25], [-43.25, -14.5], [-43.47, -15.03], [-43.82, -15.18], [-43.85, -15.25], [-43.75, -15.5], [-43.97, 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22.12157161277628, 22.14668292691789, 23.16005053540357]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.3120379808351, 20.968466352465498, 20.604864103856585, 21.078275149898616, 22.897860712619888]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.2850405484428506, -3.4723830628307564, -3.545280826035311, -3.4602000432054223, -3.1897281381262417]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.2850405484428506, -4.613622837400214, -4.331592647026014, -4.277839783096454, -3.3436877052242835]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.266006812651864, -1.4628951250827205, -1.5402265109069733, -1.5724241529371883, -1.3923785332278276]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.266006812651864, -1.793795622972377, -1.8152278155171535, -1.8984973985958935, -1.4974736055914588]}}