{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:34.821610", "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": "2016-Jun-10_to_2016-Jun-12_39.5_32.0"}, "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": 2016060000297}, "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 10 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 12 2016"}, "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": 67673.00821198855}, "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": ["Iraq", "Jordan", "Saudi Arabia", "Syria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": 32.0}, "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": 39.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 32.75], [37.25, 33.0], [37.47, 33.53], [37.82, 33.68], [37.97, 34.03], [38.5, 34.25], [39.03, 34.03], [39.18, 33.68], [39.25, 33.65], [39.32, 33.68], [39.47, 34.03], [40.0, 34.25], [40.25, 34.15], [40.32, 34.18], [40.47, 34.53], [41.0, 34.75], [41.25, 34.65], [41.5, 34.75], [42.03, 34.53], [42.25, 34.0], [42.15, 33.75], [42.25, 33.5], [42.03, 32.97], [41.5, 32.75], [41.25, 32.85], [41.13, 32.8], [41.25, 32.5], [41.03, 31.97], [40.5, 31.75], [40.25, 31.85], [40.18, 31.82], [40.03, 31.47], [39.68, 31.32], [39.65, 31.25], [39.75, 31.0], [39.53, 30.47], [39.0, 30.25], [38.75, 30.35], [38.5, 30.25], [37.97, 30.47], [37.75, 31.0], [37.85, 31.25], [37.82, 31.32], [37.47, 31.47], [37.25, 32.0], [37.35, 32.25], [37.25, 32.5], [37.35, 32.75]]]]}, "2016-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 32.75], [37.25, 33.0], [37.47, 33.53], [37.82, 33.68], [37.97, 34.03], [38.5, 34.25], [39.03, 34.03], [39.18, 33.68], [39.25, 33.65], [39.32, 33.68], [39.47, 34.03], [40.0, 34.25], [40.25, 34.15], [40.32, 34.18], [40.47, 34.53], [41.0, 34.75], [41.25, 34.65], [41.5, 34.75], [42.03, 34.53], [42.25, 34.0], [42.15, 33.75], [42.25, 33.5], [42.03, 32.97], [41.5, 32.75], [41.25, 32.85], [41.13, 32.8], [41.25, 32.5], [41.03, 31.97], [40.5, 31.75], [40.25, 31.85], [40.18, 31.82], [40.03, 31.47], [39.68, 31.32], [39.65, 31.25], [39.75, 31.0], [39.53, 30.47], [39.0, 30.25], [38.75, 30.35], [38.5, 30.25], [37.97, 30.47], [37.75, 31.0], [37.85, 31.25], [37.82, 31.32], [37.47, 31.47], [37.25, 32.0], [37.35, 32.25], [37.25, 32.5], [37.35, 32.75]]]]}, "2016-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 32.75], [37.25, 33.0], [37.47, 33.53], [37.82, 33.68], [37.97, 34.03], [38.5, 34.25], [39.03, 34.03], [39.18, 33.68], [39.25, 33.65], [39.32, 33.68], [39.47, 34.03], [40.0, 34.25], [40.25, 34.15], [40.32, 34.18], [40.47, 34.53], [41.0, 34.75], [41.25, 34.65], [41.5, 34.75], [42.03, 34.53], [42.25, 34.0], [42.15, 33.75], [42.25, 33.5], [42.03, 32.97], [41.5, 32.75], [41.25, 32.85], [41.13, 32.8], [41.25, 32.5], [41.03, 31.97], [40.5, 31.75], [40.25, 31.85], [40.18, 31.82], [40.03, 31.47], [39.68, 31.32], [39.65, 31.25], [39.75, 31.0], [39.53, 30.47], [39.0, 30.25], [38.75, 30.35], [38.5, 30.25], [37.97, 30.47], [37.75, 31.0], [37.85, 31.25], [37.82, 31.32], [37.47, 31.47], [37.25, 32.0], [37.35, 32.25], [37.25, 32.5], [37.35, 32.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.432949911133278}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.457378366026619}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.167711613336678, 24.63056720899334, 25.102759236956047]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.41021080098392, 22.804767527800152, 23.76523028250756]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.148012862607437, -3.8004845914343637, -3.423637644038057]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.838526772949308, -4.432949911133278, -4.19658672427272]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.48344477806026, -1.8751419991337184, -1.7563240071757344]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7554059677088274, -2.0819555494225948, -2.1669688812104146]}}