{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:02.212523", "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-06_to_2010-Nov-10_290.0_11.0"}, "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": 2010110000321}, "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 06 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 10 2010"}, "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": 66734.8082335552}, "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": ["Colombia", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "N.W.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": ["Caribbean Sea"]}, "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": 11.0}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "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": {"2010-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.0, 12.75], [-71.75, 12.65], [-71.5, 12.75], [-70.97, 12.53], [-70.75, 12.0], [-70.97, 11.47], [-71.5, 11.25], [-71.75, 11.35], [-71.82, 11.32], [-71.97, 10.97], [-72.5, 10.75], [-73.03, 10.97], [-73.25, 11.5], [-73.03, 12.03], [-72.68, 12.18], [-72.53, 12.53], [-72.0, 12.75]]]]}, "2010-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.0, 12.75], [-71.75, 12.65], [-71.5, 12.75], [-70.97, 12.53], [-70.82, 12.18], [-70.75, 12.15], [-70.68, 12.18], [-70.53, 12.53], [-70.0, 12.75], [-69.47, 12.53], [-69.32, 12.18], [-68.97, 12.03], [-68.75, 11.5], [-68.85, 11.25], [-68.75, 11.0], [-68.85, 10.75], [-68.75, 10.5], [-68.85, 10.25], [-68.75, 10.0], [-68.97, 9.47], [-69.5, 9.25], [-69.75, 9.35], [-70.0, 9.25], [-70.25, 9.35], [-70.5, 9.25], [-71.03, 9.47], [-71.2, 9.88], [-71.5, 9.75], [-72.03, 9.97], [-72.25, 10.5], [-72.15, 10.75], [-72.18, 10.82], [-72.25, 10.85], [-72.5, 10.75], [-73.03, 10.97], [-73.25, 11.5], [-73.03, 12.03], [-72.68, 12.18], [-72.53, 12.53], [-72.0, 12.75]]]]}, "2010-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.0, 12.75], [-71.75, 12.65], [-71.5, 12.75], [-70.97, 12.53], [-70.82, 12.18], [-70.75, 12.15], [-70.68, 12.18], [-70.53, 12.53], [-70.0, 12.75], [-69.47, 12.53], [-69.32, 12.18], [-68.97, 12.03], [-68.75, 11.5], [-68.85, 11.25], [-68.75, 11.0], [-68.85, 10.75], [-68.75, 10.5], [-68.85, 10.25], [-68.75, 10.0], [-68.97, 9.47], [-69.5, 9.25], [-69.75, 9.35], [-70.0, 9.25], [-70.25, 9.35], [-70.5, 9.25], [-71.03, 9.47], [-71.2, 9.88], [-71.5, 9.75], [-72.03, 9.97], [-72.25, 10.5], [-72.15, 10.75], [-72.18, 10.82], [-72.25, 10.85], [-72.5, 10.75], [-73.03, 10.97], [-73.25, 11.5], [-73.03, 12.03], [-72.68, 12.18], [-72.53, 12.53], [-72.0, 12.75]]]]}, "2010-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, 12.53], [-72.0, 12.75], [-71.75, 12.65], [-71.5, 12.75], [-70.97, 12.53], [-70.82, 12.18], [-70.75, 12.15], [-70.68, 12.18], [-70.53, 12.53], [-70.0, 12.75], [-69.47, 12.53], [-69.32, 12.18], [-68.97, 12.03], [-68.75, 11.5], [-68.85, 11.25], [-68.75, 11.0], [-68.85, 10.75], [-68.75, 10.5], [-68.85, 10.25], [-68.75, 10.0], [-68.97, 9.47], [-69.5, 9.25], [-69.75, 9.35], [-70.0, 9.25], [-70.25, 9.35], [-70.5, 9.25], [-71.03, 9.47], [-71.2, 9.88], [-71.5, 9.75], [-72.03, 9.97], [-72.25, 10.5], [-72.15, 10.75], [-72.18, 10.82], [-72.53, 10.97], [-72.75, 11.5], [-72.65, 11.75], [-72.75, 12.0], [-72.53, 12.53]]]]}, "2010-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 12.03], [-71.5, 12.25], [-70.97, 12.03], [-70.75, 11.5], [-70.96, 11.0], [-70.8, 10.62], [-70.62, 10.7], [-70.75, 11.0], [-70.53, 11.53], [-70.0, 11.75], [-69.47, 11.53], [-69.25, 11.0], [-69.47, 10.47], [-69.87, 10.3], [-69.75, 10.0], [-69.97, 9.47], [-70.5, 9.25], [-71.03, 9.47], [-71.2, 9.88], [-71.5, 9.75], [-72.03, 9.97], [-72.25, 10.5], [-72.04, 11.0], [-72.25, 11.5], [-72.03, 12.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.5611300921445945}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.5183600967362356}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.367566739639187, 24.90331742260537, 25.272039912247806, 25.29378244286977, 25.343706999132166]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.19642193436124, 22.41742075591111, 22.723227881666332, 22.705502797238864, 23.075686902494738]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.3403379692458846, -1.8049512582504457, -1.4413694197390379, -1.3884774320714082, -1.1809580170007763]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.647086090295943, -2.5611300921445945, -2.3055172270509274, -2.37691171027285, -1.6701824754132417]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4038810223068927, -2.131805251574204, -1.7097590529974576, -1.625434849951756, -1.4022342980858458]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5850483168472482, -2.6239533482664497, -2.362394723502843, -2.057459114904006, -1.4705474254825042]}}