{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:49.849978", "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-16_to_2014-Jul-19_65.5_37.0"}, "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": 2014070000761}, "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 16 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 19 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": 81067.80369607334}, "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": ["Afghanistan", "Turkmenistan", "Uzbekistan"]}, "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": 37.0}, "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": 65.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "65.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 67.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.35, 38.25], [62.25, 38.5], [62.47, 39.03], [62.82, 39.18], [62.97, 39.53], [63.5, 39.75], [64.03, 39.53], [64.2, 39.13], [64.5, 39.25], [65.03, 39.03], [65.18, 38.68], [65.25, 38.65], [65.5, 38.75], [66.03, 38.53], [66.25, 38.0], [66.15, 37.75], [66.25, 37.5], [66.15, 37.25], [66.25, 37.0], [66.03, 36.47], [65.68, 36.32], [65.53, 35.97], [65.0, 35.75], [64.75, 35.85], [64.5, 35.75], [64.25, 35.85], [64.0, 35.75], [63.47, 35.97], [63.32, 36.32], [62.97, 36.47], [62.82, 36.82], [62.47, 36.97], [62.25, 37.5], [62.35, 37.75], [62.25, 38.0], [62.35, 38.25]]]]}, "2014-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.35, 38.25], [62.25, 38.5], [62.47, 39.03], [62.82, 39.18], [62.97, 39.53], [63.5, 39.75], [64.03, 39.53], [64.2, 39.13], [64.5, 39.25], [65.03, 39.03], [65.18, 38.68], [65.25, 38.65], [65.5, 38.75], [66.03, 38.53], [66.25, 38.0], [66.15, 37.75], [66.18, 37.68], [66.25, 37.65], [66.32, 37.68], [66.47, 38.03], [67.0, 38.25], [67.53, 38.03], [67.68, 37.68], [68.03, 37.53], [68.25, 37.0], [68.03, 36.47], [67.5, 36.25], [67.25, 36.35], [67.18, 36.32], [67.03, 35.97], [66.5, 35.75], [66.25, 35.85], [66.0, 35.75], [65.75, 35.85], [65.5, 35.75], [65.25, 35.85], [65.18, 35.82], [65.03, 35.47], [64.5, 35.25], [63.97, 35.47], [63.82, 35.82], [63.47, 35.97], [63.32, 36.32], [62.97, 36.47], [62.82, 36.82], [62.47, 36.97], [62.25, 37.5], [62.35, 37.75], [62.25, 38.0], [62.35, 38.25]]]]}, "2014-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.35, 38.25], [62.25, 38.5], [62.47, 39.03], [62.82, 39.18], [62.97, 39.53], [63.5, 39.75], [64.03, 39.53], [64.2, 39.13], [64.5, 39.25], [65.03, 39.03], [65.18, 38.68], [65.25, 38.65], [65.5, 38.75], [66.03, 38.53], [66.25, 38.0], [66.15, 37.75], [66.18, 37.68], [66.25, 37.65], [66.32, 37.68], [66.47, 38.03], [67.0, 38.25], [67.53, 38.03], [67.68, 37.68], [68.03, 37.53], [68.25, 37.0], [68.03, 36.47], [67.5, 36.25], [67.25, 36.35], [67.18, 36.32], [67.03, 35.97], [66.5, 35.75], [66.25, 35.85], [66.0, 35.75], [65.75, 35.85], [65.5, 35.75], [65.25, 35.85], [65.18, 35.82], [65.03, 35.47], [64.5, 35.25], [63.97, 35.47], [63.82, 35.82], [63.47, 35.97], [63.32, 36.32], [62.97, 36.47], [62.82, 36.82], [62.47, 36.97], [62.25, 37.5], [62.35, 37.75], [62.25, 38.0], [62.35, 38.25]]]]}, "2014-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.25, 37.0], [64.47, 37.53], [65.0, 37.75], [65.25, 37.65], [65.5, 37.75], [65.75, 37.65], [66.0, 37.75], [66.25, 37.65], [66.32, 37.68], [66.47, 38.03], [67.0, 38.25], [67.53, 38.03], [67.68, 37.68], [68.03, 37.53], [68.25, 37.0], [68.03, 36.47], [67.5, 36.25], [67.25, 36.35], [67.18, 36.32], [67.03, 35.97], [66.5, 35.75], [66.25, 35.85], [66.0, 35.75], [65.75, 35.85], [65.5, 35.75], [65.25, 35.85], [65.18, 35.82], [65.03, 35.47], [64.5, 35.25], [63.97, 35.47], [63.75, 36.0], [63.97, 36.53], [64.32, 36.68], [64.35, 36.75], [64.25, 37.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.748892843568456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.653105744535304}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.228374040492724, 27.60745638231134, 28.15881194999895, 28.19473947056855]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.806018376927227, 22.79777219447908, 23.035726712696317, 23.82288392364177]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.6165559493738066, -4.038643855818286, -3.542690099002617, -2.9696185540449895]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.202693253420819, -4.748892843568456, -3.936943044137763, -3.1642087290103973]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.2839708826211087, -1.547015780356282, -1.3937533092129222, -1.3035366260158059]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3804445394622482, -1.6967952785985505, -1.6481067026470992, -1.4346588283683404]}}