{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:06.956266", "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-Nov-14_to_2010-Nov-17_313.5_-15.0"}, "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": 2010110000618}, "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 14 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 17 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": 56998.542542266776}, "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": -15.0}, "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": 313.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "313.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.25}, "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": -12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.68, -14.18], [-47.03, -14.03], [-47.25, -13.5], [-47.03, -12.97], [-46.68, -12.82], [-46.65, -12.75], [-46.75, -12.5], [-46.53, -11.97], [-46.0, -11.75], [-45.75, -11.85], [-45.5, -11.75], [-44.97, -11.97], [-44.82, -12.32], [-44.47, -12.47], [-44.25, -13.0], [-44.35, -13.25], [-44.25, -13.5], [-44.35, -13.75], [-44.25, -14.0], [-44.46, -14.5], [-44.25, -15.0], [-44.47, -15.53], [-44.82, -15.68], [-44.97, -16.03], [-45.5, -16.25], [-46.03, -16.03], [-46.18, -15.68], [-46.25, -15.65], [-46.5, -15.75], [-47.03, -15.53], [-47.25, -15.0], [-47.03, -14.47], [-46.68, -14.32], [-46.65, -14.25], [-46.68, -14.18]]]]}, "2010-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.68, -14.18], [-47.03, -14.03], [-47.25, -13.5], [-47.03, -12.97], [-46.68, -12.82], [-46.65, -12.75], [-46.75, -12.5], [-46.53, -11.97], [-46.0, -11.75], [-45.75, -11.85], [-45.5, -11.75], [-44.97, -11.97], [-44.82, -12.32], [-44.47, -12.47], [-44.25, -13.0], [-44.35, -13.25], [-44.25, -13.5], [-44.35, -13.75], [-44.25, -14.0], [-44.46, -14.5], [-44.25, -15.0], [-44.47, -15.53], [-44.82, -15.68], [-44.97, -16.03], [-45.5, -16.25], [-46.03, -16.03], [-46.18, -15.68], [-46.25, -15.65], [-46.5, -15.75], [-47.03, -15.53], [-47.25, -15.0], [-47.03, -14.47], [-46.68, -14.32], [-46.65, -14.25], [-46.68, -14.18]]]]}, "2010-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.68, -14.18], [-47.03, -14.03], [-47.25, -13.5], [-47.03, -12.97], [-46.68, -12.82], [-46.65, -12.75], [-46.75, -12.5], [-46.53, -11.97], [-46.0, -11.75], [-45.75, -11.85], [-45.5, -11.75], [-44.97, -11.97], [-44.82, -12.32], [-44.47, -12.47], [-44.25, -13.0], [-44.35, -13.25], [-44.25, -13.5], [-44.35, -13.75], [-44.25, -14.0], [-44.46, -14.5], [-44.25, -15.0], [-44.47, -15.53], [-44.82, -15.68], [-44.97, -16.03], [-45.5, -16.25], [-46.03, -16.03], [-46.18, -15.68], [-46.25, -15.65], [-46.5, -15.75], [-47.03, -15.53], [-47.25, -15.0], [-47.03, -14.47], [-46.68, -14.32], [-46.65, -14.25], [-46.68, -14.18]]]]}, "2010-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.68, -14.18], [-47.03, -14.03], [-47.25, -13.5], [-47.03, -12.97], [-46.62, -12.8], [-46.75, -12.5], [-46.53, -11.97], [-46.0, -11.75], [-45.75, -11.85], [-45.5, -11.75], [-44.97, -11.97], [-44.82, -12.32], [-44.47, -12.47], [-44.25, -13.0], [-44.46, -13.5], [-44.25, -14.0], [-44.46, -14.5], [-44.25, -15.0], [-44.47, -15.53], [-44.82, -15.68], [-44.97, -16.03], [-45.5, -16.25], [-46.03, -16.03], [-46.18, -15.68], [-46.25, -15.65], [-46.5, -15.75], [-47.03, -15.53], [-47.25, -15.0], [-47.03, -14.47], [-46.68, -14.32], [-46.65, -14.25], [-46.68, -14.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.713541807565889}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.651100587738339}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.13522886305725, 21.70548689625457, 21.756421804293552, 21.943083853005533]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.900129304666564, 20.956847442080004, 20.826182600370828, 21.38106340321167]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.2081204300771926, -2.618351638844684, -2.495528619149767, -2.239025318780932]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.713541807565889, -3.599869567970245, -2.8417261868409582, -2.5636711471721583]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.721843044014165, -1.4394917857342293, -1.4225232960939553, -1.324382379821091]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.235467114978142, -1.9483874374305643, -1.6032931941626365, -1.4452175908046865]}}