{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:49.349540", "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-Jul-13_to_2014-Jul-16_63.5_44.5"}, "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": 2014070000659}, "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": "July 13 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 16 2014"}, "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": 176973.17884844204}, "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": ["Kazakhstan", "Uzbekistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "W.Siberia"]}, "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": 44.5}, "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": 63.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "63.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 61.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 71.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.25, 44.5], [61.47, 45.03], [62.0, 45.25], [62.25, 45.15], [62.5, 45.25], [62.75, 45.15], [62.82, 45.18], [62.97, 45.53], [63.5, 45.75], [63.75, 45.65], [63.82, 45.68], [63.97, 46.03], [64.5, 46.25], [64.75, 46.15], [65.0, 46.25], [65.53, 46.03], [65.68, 45.68], [65.75, 45.65], [66.0, 45.75], [66.25, 45.65], [66.5, 45.75], [66.75, 45.65], [66.82, 45.68], [66.97, 46.03], [67.5, 46.25], [68.03, 46.03], [68.25, 45.5], [68.15, 45.25], [68.25, 45.0], [68.03, 44.47], [67.5, 44.25], [67.25, 44.35], [67.18, 44.32], [67.03, 43.97], [66.5, 43.75], [66.25, 43.85], [66.0, 43.75], [65.75, 43.85], [65.5, 43.75], [65.25, 43.85], [65.0, 43.75], [64.75, 43.85], [64.68, 43.82], [64.53, 43.47], [64.0, 43.25], [63.75, 43.35], [63.5, 43.25], [63.25, 43.35], [63.0, 43.25], [62.75, 43.35], [62.5, 43.25], [61.97, 43.47], [61.82, 43.82], [61.47, 43.97], [61.25, 44.5]]]]}, "2014-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.25, 44.5], [61.47, 45.03], [62.0, 45.25], [62.25, 45.15], [62.5, 45.25], [62.75, 45.15], [62.82, 45.18], [62.97, 45.53], [63.5, 45.75], [63.75, 45.65], [63.82, 45.68], [63.97, 46.03], [64.5, 46.25], [64.75, 46.15], [65.0, 46.25], [65.53, 46.03], [65.68, 45.68], [65.75, 45.65], [66.0, 45.75], [66.25, 45.65], [66.5, 45.75], [66.75, 45.65], [66.82, 45.68], [66.97, 46.03], [67.5, 46.25], [68.0, 46.04], [68.32, 46.18], [68.47, 46.53], [69.0, 46.75], [69.25, 46.65], [69.5, 46.75], [69.75, 46.65], [70.0, 46.75], [70.25, 46.65], [70.5, 46.75], [70.75, 46.65], [71.0, 46.75], [71.53, 46.53], [71.75, 46.0], [71.54, 45.5], [71.75, 45.0], [71.53, 44.47], [71.18, 44.32], [71.03, 43.97], [70.68, 43.82], [70.53, 43.47], [70.0, 43.25], [69.75, 43.35], [69.68, 43.32], [69.53, 42.97], [69.0, 42.75], [68.75, 42.85], [68.68, 42.82], [68.53, 42.47], [68.18, 42.32], [68.03, 41.97], [67.5, 41.75], [67.25, 41.85], [67.0, 41.75], [66.75, 41.85], [66.68, 41.82], [66.53, 41.47], [66.0, 41.25], [65.75, 41.35], [65.5, 41.25], [64.97, 41.47], [64.75, 42.0], [64.88, 42.3], [64.75, 42.35], [64.5, 42.25], [63.97, 42.47], [63.82, 42.82], [63.75, 42.85], [63.5, 42.75], [62.97, 42.97], [62.82, 43.32], [62.75, 43.35], [62.5, 43.25], [61.97, 43.47], [61.82, 43.82], [61.47, 43.97], [61.25, 44.5]]]]}, "2014-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.25, 44.5], [61.47, 45.03], [62.0, 45.25], [62.25, 45.15], [62.5, 45.25], [62.75, 45.15], [62.82, 45.18], [62.97, 45.53], [63.5, 45.75], [63.75, 45.65], [63.82, 45.68], [63.97, 46.03], [64.5, 46.25], [64.75, 46.15], [65.0, 46.25], [65.53, 46.03], [65.68, 45.68], [65.75, 45.65], [66.0, 45.75], [66.25, 45.65], [66.5, 45.75], [66.75, 45.65], [66.82, 45.68], [66.97, 46.03], [67.5, 46.25], [68.0, 46.04], [68.32, 46.18], [68.47, 46.53], [69.0, 46.75], [69.25, 46.65], [69.5, 46.75], [69.75, 46.65], [70.0, 46.75], [70.25, 46.65], [70.5, 46.75], [70.75, 46.65], [71.0, 46.75], [71.53, 46.53], [71.75, 46.0], [71.54, 45.5], [71.75, 45.0], [71.53, 44.47], [71.18, 44.32], [71.03, 43.97], [70.68, 43.82], [70.53, 43.47], [70.0, 43.25], [69.75, 43.35], [69.68, 43.32], [69.53, 42.97], [69.0, 42.75], [68.75, 42.85], [68.68, 42.82], [68.53, 42.47], [68.18, 42.32], [68.03, 41.97], [67.5, 41.75], [67.25, 41.85], [67.0, 41.75], [66.75, 41.85], [66.68, 41.82], [66.53, 41.47], [66.0, 41.25], [65.75, 41.35], [65.5, 41.25], [64.97, 41.47], [64.75, 42.0], [64.88, 42.3], [64.75, 42.35], [64.5, 42.25], [63.97, 42.47], [63.82, 42.82], [63.75, 42.85], [63.5, 42.75], [62.97, 42.97], [62.82, 43.32], [62.75, 43.35], [62.5, 43.25], [61.97, 43.47], [61.82, 43.82], [61.47, 43.97], [61.25, 44.5]]]]}, "2014-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.85, 44.25], [62.75, 44.5], [62.97, 45.03], [63.5, 45.25], [63.75, 45.15], [64.0, 45.25], [64.25, 45.15], [64.5, 45.25], [65.03, 45.03], [65.25, 44.5], [65.15, 44.25], [65.18, 44.18], [65.25, 44.15], [65.32, 44.18], [65.47, 44.53], [65.88, 44.7], [65.75, 45.0], [65.97, 45.53], [66.5, 45.75], [66.75, 45.65], [67.0, 45.75], [67.5, 45.54], [67.82, 45.68], [67.97, 46.03], [68.32, 46.18], [68.47, 46.53], [69.0, 46.75], [69.25, 46.65], [69.5, 46.75], [69.75, 46.65], [70.0, 46.75], [70.25, 46.65], [70.5, 46.75], [70.75, 46.65], [71.0, 46.75], [71.53, 46.53], [71.75, 46.0], [71.54, 45.5], [71.75, 45.0], [71.53, 44.47], [71.18, 44.32], [71.03, 43.97], [70.68, 43.82], [70.53, 43.47], [70.0, 43.25], [69.75, 43.35], [69.68, 43.32], [69.53, 42.97], [69.0, 42.75], [68.75, 42.85], [68.68, 42.82], [68.53, 42.47], [68.18, 42.32], [68.03, 41.97], [67.5, 41.75], [67.25, 41.85], [67.0, 41.75], [66.75, 41.85], [66.68, 41.82], [66.53, 41.47], [66.0, 41.25], [65.75, 41.35], [65.5, 41.25], [64.97, 41.47], [64.75, 42.0], [64.88, 42.3], [64.75, 42.35], [64.5, 42.25], [63.97, 42.47], [63.82, 42.82], [63.75, 42.85], [63.5, 42.75], [62.97, 42.97], [62.75, 43.5], [62.85, 43.75], [62.75, 44.0], [62.85, 44.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -7.15861041830334}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.493273773307527}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.018152569777328, 22.853584689084926, 22.6964228925915, 23.28157449892842]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.165197321601397, 19.749339110380276, 18.434717438857206, 19.478152582093458]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-6.0554537361436775, -5.403254133933085, -5.59402749531437, -5.23957859881031]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-7.15861041830334, -6.435063230815786, -6.719112138535365, -5.7016666611621645]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7152350083973125, -1.4751353296921954, -1.512337710249114, -1.4215514578456947]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.059905510904395, -1.7398290024962864, -1.891525109733602, -1.5371458787062517]}}