{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:34.213989", "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-Jun-03_to_2014-Jun-05_46.0_31.0"}, "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": 2014060000199}, "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": "June 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 05 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": 106329.46673732037}, "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": ["Iran", "Iraq", "Kuwait", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "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": 31.0}, "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": 46.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, 32.53], [44.0, 32.75], [44.25, 32.65], [44.5, 32.75], 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[46.03, 32.53], [46.18, 32.18], [46.25, 32.15], [46.5, 32.25], [46.75, 32.15], [47.0, 32.25], [47.25, 32.15], [47.5, 32.25], [47.75, 32.15], [48.0, 32.25], [48.53, 32.03], [48.75, 31.5], [48.65, 31.25], [48.75, 31.0], [48.65, 30.75], [48.75, 30.5], [48.53, 29.97], [48.18, 29.82], [48.15, 29.75], [48.25, 29.5], [48.15, 29.25], [48.25, 29.0], [48.03, 28.47], [47.5, 28.25], [47.25, 28.35], [47.0, 28.25], [46.75, 28.35], [46.5, 28.25], [45.97, 28.47], [45.82, 28.82], [45.75, 28.85], [45.5, 28.75], [44.97, 28.97], [44.75, 29.5], [44.85, 29.75], [44.75, 30.0], [44.85, 30.25], [44.82, 30.32], [44.75, 30.35], [44.5, 30.25], [43.97, 30.47], [43.82, 30.82], [43.47, 30.97], [43.25, 31.5], [43.35, 31.75], [43.25, 32.0], [43.47, 32.53]]]]}, "2014-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, 32.53], [44.0, 32.75], [44.25, 32.65], [44.5, 32.75], [44.75, 32.65], [45.0, 32.75], [45.25, 32.65], [45.5, 32.75], [46.03, 32.53], [46.18, 32.18], [46.25, 32.15], [46.5, 32.25], [46.75, 32.15], [47.0, 32.25], [47.25, 32.15], [47.5, 32.25], [47.75, 32.15], [48.0, 32.25], [48.53, 32.03], [48.75, 31.5], [48.65, 31.25], [48.75, 31.0], [48.65, 30.75], [48.75, 30.5], [48.53, 29.97], [48.18, 29.82], [48.15, 29.75], [48.25, 29.5], [48.15, 29.25], [48.25, 29.0], [48.03, 28.47], [47.5, 28.25], [47.25, 28.35], [47.0, 28.25], [46.75, 28.35], [46.5, 28.25], [45.97, 28.47], [45.82, 28.82], [45.75, 28.85], [45.5, 28.75], [44.97, 28.97], [44.75, 29.5], [44.85, 29.75], [44.75, 30.0], [44.85, 30.25], [44.82, 30.32], [44.75, 30.35], [44.5, 30.25], [43.97, 30.47], [43.82, 30.82], [43.47, 30.97], [43.25, 31.5], [43.35, 31.75], [43.25, 32.0], [43.47, 32.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.1863373014225544}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.176138518956087}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.46947205012657, 30.472884562988895, 32.622327694416015]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.223157562816994, 27.99878588657691, 30.757609454993712]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.092209406580183, -5.215081520075398, -3.2211246302126795]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.329103151596655, -6.1863373014225544, -3.4578555299427762]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.869078522734974, -2.392007082719454, -1.5000962668854254]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.213523458495861, -2.6468059764447474, -1.6883949496763841]}}