{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:29.182658", "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": "2014-Oct-08_to_2014-Oct-10_59.5_39.5"}, "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": 2014100000342}, "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 08 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 88992.40767372207}, "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": ["Turkmenistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 39.5}, "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": 59.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "59.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 58.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 62.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.85, 39.25], [57.75, 39.5], [57.97, 40.03], [58.32, 40.18], [58.47, 40.53], [59.0, 40.75], [59.25, 40.65], [59.32, 40.68], [59.47, 41.03], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [60.75, 40.65], [61.0, 40.75], [61.25, 40.65], [61.5, 40.75], [62.03, 40.53], [62.25, 40.0], [62.04, 39.5], [62.18, 39.18], [62.53, 39.03], [62.68, 38.68], [63.03, 38.53], [63.25, 38.0], [63.03, 37.47], [62.5, 37.25], [62.0, 37.46], [61.5, 37.25], [61.25, 37.35], [61.0, 37.25], [60.75, 37.35], [60.68, 37.32], [60.53, 36.97], [60.0, 36.75], [59.75, 36.85], [59.5, 36.75], [58.97, 36.97], [58.82, 37.32], [58.47, 37.47], [58.32, 37.82], [57.97, 37.97], [57.75, 38.5], [57.85, 38.75], [57.75, 39.0], [57.85, 39.25]]]]}, "2014-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.85, 39.25], [57.75, 39.5], [57.97, 40.03], [58.32, 40.18], [58.47, 40.53], [59.0, 40.75], [59.25, 40.65], [59.32, 40.68], [59.47, 41.03], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [60.75, 40.65], [61.0, 40.75], [61.25, 40.65], [61.5, 40.75], [62.03, 40.53], [62.25, 40.0], [62.04, 39.5], [62.18, 39.18], [62.53, 39.03], [62.68, 38.68], [63.03, 38.53], [63.25, 38.0], [63.03, 37.47], [62.5, 37.25], [62.0, 37.46], [61.5, 37.25], [61.25, 37.35], [61.0, 37.25], [60.75, 37.35], [60.68, 37.32], [60.53, 36.97], [60.0, 36.75], [59.75, 36.85], [59.5, 36.75], [58.97, 36.97], [58.82, 37.32], [58.47, 37.47], [58.32, 37.82], [57.97, 37.97], [57.75, 38.5], [57.85, 38.75], [57.75, 39.0], [57.85, 39.25]]]]}, "2014-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.85, 39.25], [57.75, 39.5], [57.97, 40.03], [58.32, 40.18], [58.47, 40.53], [59.0, 40.75], [59.25, 40.65], [59.32, 40.68], [59.47, 41.03], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [60.75, 40.65], [61.0, 40.75], [61.25, 40.65], [61.5, 40.75], [62.03, 40.53], [62.25, 40.0], [62.04, 39.5], [62.18, 39.18], [62.53, 39.03], [62.68, 38.68], [63.03, 38.53], [63.25, 38.0], [63.03, 37.47], [62.5, 37.25], [62.0, 37.46], [61.5, 37.25], [61.25, 37.35], [61.0, 37.25], [60.75, 37.35], [60.68, 37.32], [60.53, 36.97], [60.0, 36.75], [59.75, 36.85], [59.5, 36.75], [58.97, 36.97], [58.82, 37.32], [58.47, 37.47], [58.32, 37.82], [57.97, 37.97], [57.75, 38.5], [57.85, 38.75], [57.75, 39.0], [57.85, 39.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -8.450147424780482}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -6.525835672326663}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.820042617631998, 10.402575655940439, 11.214547217008487]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.819951651681038, 8.520506088515901, 9.05370979212654]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-7.409832501792755, -6.586410169085637, -5.581264346101594]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-8.450147424780482, -7.548852950824823, -6.023512661192854]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8052169451310762, -1.6152733754767479, -1.3793749933404693]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.04788669551045, -1.813072948820294, -1.441594627632846]}}