{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:49.448225", "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-14_to_2014-Jul-23_35.0_30.0"}, "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": 2014070000687}, "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 14 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 23 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 298968.45440466865}, "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": ["Egypt", "Israel", "Jordan", "Palestinian Territory", "Saudi Arabia", "Syria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Mediterranean", "Sahara", "W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": ["Gulf of Aqaba", "Gulf of Suez"]}, "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": 30.0}, "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": 35.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.5, 31.25], [35.03, 31.03], [35.25, 30.5], [35.03, 29.97], [34.5, 29.75], [33.97, 29.97], [33.75, 30.5], [33.97, 31.03], [34.5, 31.25]]]]}, "2014-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 30.0], [33.47, 30.53], [33.82, 30.68], [33.97, 31.03], [34.5, 31.25], [35.03, 31.03], [35.18, 30.68], [35.53, 30.53], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.5, 28.75], [33.97, 28.97], [33.82, 29.32], [33.47, 29.47], [33.25, 30.0]]]]}, "2014-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 30.0], [33.47, 30.53], [33.82, 30.68], [33.97, 31.03], [34.5, 31.25], [35.03, 31.03], [35.18, 30.68], [35.53, 30.53], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.5, 28.75], [33.97, 28.97], [33.82, 29.32], [33.47, 29.47], [33.25, 30.0]]]]}, "2014-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 30.53], [32.0, 30.75], [32.25, 30.65], [32.32, 30.68], [32.47, 31.03], [33.0, 31.25], [33.25, 31.15], [33.5, 31.25], [33.75, 31.15], [34.0, 31.25], [34.25, 31.15], [34.32, 31.18], [34.35, 31.25], [34.25, 31.5], [34.47, 32.03], [34.82, 32.18], [34.97, 32.53], [35.5, 32.75], [35.75, 32.65], [36.0, 32.75], [36.25, 32.65], [36.5, 32.75], [37.03, 32.53], [37.25, 32.0], [37.03, 31.47], [36.5, 31.25], [36.25, 31.35], [36.18, 31.32], [36.03, 30.97], [35.68, 30.82], [35.65, 30.75], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.68, 28.82], [34.53, 28.47], [34.0, 28.25], [33.75, 28.35], [33.5, 28.25], [33.0, 28.46], [32.5, 28.25], [31.97, 28.47], [31.82, 28.82], [31.47, 28.97], [31.25, 29.5], [31.35, 29.75], [31.25, 30.0], [31.47, 30.53]]]]}, "2014-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 30.53], [32.0, 30.75], [32.25, 30.65], [32.32, 30.68], [32.47, 31.03], [33.0, 31.25], [33.25, 31.15], [33.5, 31.25], [33.75, 31.15], [34.0, 31.25], [34.25, 31.15], [34.32, 31.18], [34.35, 31.25], [34.25, 31.5], [34.47, 32.03], [34.82, 32.18], [34.97, 32.53], [35.5, 32.75], [35.75, 32.65], [35.88, 32.7], [35.75, 33.0], [35.97, 33.53], [36.5, 33.75], [37.03, 33.53], [37.25, 33.0], [37.04, 32.5], [37.25, 32.0], [37.03, 31.47], [36.5, 31.25], [36.25, 31.35], [36.18, 31.32], [36.03, 30.97], [35.68, 30.82], [35.65, 30.75], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.18, 28.82], [35.03, 28.47], [34.5, 28.25], [34.25, 28.35], [34.0, 28.25], [33.75, 28.35], [33.5, 28.25], [33.0, 28.46], [32.5, 28.25], [31.97, 28.47], [31.82, 28.82], [31.47, 28.97], [31.25, 29.5], [31.35, 29.75], [31.25, 30.0], [31.47, 30.53]]]]}, "2014-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 30.53], [32.0, 30.75], [32.25, 30.65], [32.32, 30.68], [32.47, 31.03], [33.0, 31.25], [33.25, 31.15], [33.5, 31.25], [33.75, 31.15], [34.0, 31.25], [34.25, 31.15], [34.32, 31.18], [34.35, 31.25], [34.25, 31.5], [34.47, 32.03], [34.82, 32.18], [34.97, 32.53], [35.5, 32.75], [35.75, 32.65], [35.82, 32.68], [35.85, 32.75], [35.75, 33.0], [35.97, 33.53], [36.32, 33.68], [36.47, 34.03], [37.0, 34.25], [37.25, 34.15], [37.5, 34.25], [37.75, 34.15], [38.0, 34.25], [38.53, 34.03], [38.75, 33.5], [38.53, 32.97], [38.13, 32.8], [38.18, 32.68], [38.53, 32.53], [38.75, 32.0], [38.65, 31.75], [38.75, 31.5], [38.53, 30.97], [38.0, 30.75], [37.75, 30.85], [37.68, 30.82], [37.53, 30.47], [37.0, 30.25], [36.75, 30.35], [36.68, 30.32], [36.53, 29.97], [36.18, 29.82], [36.03, 29.47], [35.68, 29.32], [35.65, 29.25], [35.75, 29.0], [35.53, 28.47], [35.0, 28.25], [34.75, 28.35], [34.5, 28.25], [34.25, 28.35], [34.0, 28.25], [33.75, 28.35], [33.5, 28.25], [33.0, 28.46], [32.5, 28.25], [31.97, 28.47], [31.82, 28.82], [31.47, 28.97], [31.25, 29.5], [31.35, 29.75], [31.25, 30.0], [31.47, 30.53]]]]}, "2014-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, 28.47], [32.75, 29.0], [32.97, 29.53], [33.5, 29.75], [33.75, 29.65], [33.82, 29.68], [33.97, 30.03], [34.32, 30.18], [34.35, 30.25], [34.25, 30.5], [34.35, 30.75], [34.25, 31.0], [34.35, 31.25], [34.25, 31.5], [34.47, 32.03], [35.0, 32.25], [35.25, 32.15], [35.32, 32.18], [35.47, 32.53], [35.82, 32.68], [35.85, 32.75], [35.75, 33.0], [35.97, 33.53], [36.32, 33.68], [36.47, 34.03], [37.0, 34.25], [37.25, 34.15], [37.5, 34.25], [37.75, 34.15], [38.0, 34.25], [38.53, 34.03], [38.75, 33.5], [38.53, 32.97], [38.13, 32.8], [38.18, 32.68], [38.53, 32.53], [38.7, 32.13], [39.0, 32.25], [39.25, 32.15], [39.5, 32.25], [39.75, 32.15], [40.0, 32.25], [40.53, 32.03], [40.68, 31.68], [41.03, 31.53], [41.25, 31.0], [41.03, 30.47], [40.5, 30.25], [40.25, 30.35], [40.18, 30.32], [40.15, 30.25], [40.25, 30.0], [40.03, 29.47], [39.5, 29.25], [39.25, 29.35], [39.18, 29.32], [39.03, 28.97], [38.5, 28.75], [38.25, 28.85], [38.18, 28.82], [38.03, 28.47], [37.5, 28.25], [37.25, 28.35], [37.13, 28.3], [37.18, 28.18], [37.53, 28.03], [37.68, 27.68], [38.03, 27.53], [38.18, 27.18], [38.25, 27.15], [38.5, 27.25], [39.03, 27.03], [39.18, 26.68], [39.25, 26.65], [39.5, 26.75], [39.75, 26.65], [40.0, 26.75], [40.25, 26.65], [40.5, 26.75], [41.03, 26.53], [41.25, 26.0], [41.15, 25.75], [41.25, 25.5], [41.03, 24.97], [40.5, 24.75], [40.25, 24.85], [40.0, 24.75], [39.75, 24.85], [39.5, 24.75], [39.25, 24.85], [39.18, 24.82], [39.03, 24.47], [38.5, 24.25], [38.25, 24.35], [38.0, 24.25], [37.47, 24.47], [37.32, 24.82], [36.97, 24.97], [36.75, 25.5], [36.96, 26.0], [36.75, 26.5], [36.85, 26.75], [36.82, 26.82], [36.47, 26.97], [36.32, 27.32], [36.25, 27.35], [36.0, 27.25], [35.47, 27.47], [35.32, 27.82], [35.25, 27.85], [35.18, 27.82], [35.03, 27.47], [34.5, 27.25], [33.97, 27.47], [33.75, 28.0], [33.88, 28.3], [33.75, 28.35], [33.5, 28.25], [32.97, 28.47]], [[37.75, 30.85], [37.68, 30.82], [37.63, 30.7], [37.75, 30.65], [37.82, 30.68], [37.88, 30.8], [37.75, 30.85]]]]}, "2014-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 29.0], [34.47, 29.53], [34.88, 29.7], [34.75, 30.0], [34.85, 30.25], [34.75, 30.5], [34.85, 30.75], [34.75, 31.0], [34.85, 31.25], [34.75, 31.5], [34.97, 32.03], [35.32, 32.18], [35.47, 32.53], [35.82, 32.68], [35.85, 32.75], [35.75, 33.0], [35.97, 33.53], [36.32, 33.68], [36.47, 34.03], [37.0, 34.25], [37.25, 34.15], [37.5, 34.25], [37.75, 34.15], [38.0, 34.25], [38.53, 34.03], [38.75, 33.5], [38.53, 32.97], [38.13, 32.8], [38.18, 32.68], [38.53, 32.53], [38.7, 32.13], [39.0, 32.25], [39.25, 32.15], [39.5, 32.25], [39.75, 32.15], [40.0, 32.25], [40.53, 32.03], [40.68, 31.68], [41.03, 31.53], [41.25, 31.0], [41.03, 30.47], [40.5, 30.25], [40.25, 30.35], [40.18, 30.32], [40.15, 30.25], [40.25, 30.0], [40.03, 29.47], [39.5, 29.25], [39.25, 29.35], [39.18, 29.32], [39.03, 28.97], [38.5, 28.75], [38.25, 28.85], [38.18, 28.82], [38.03, 28.47], [37.5, 28.25], [37.25, 28.35], [37.13, 28.3], [37.18, 28.18], [37.53, 28.03], [37.68, 27.68], [38.03, 27.53], [38.18, 27.18], [38.25, 27.15], [38.5, 27.25], [39.03, 27.03], [39.18, 26.68], [39.25, 26.65], [39.5, 26.75], [39.75, 26.65], [40.0, 26.75], [40.25, 26.65], [40.5, 26.75], [41.03, 26.53], [41.25, 26.0], [41.15, 25.75], [41.18, 25.68], [41.53, 25.53], [41.68, 25.18], [41.75, 25.15], [42.0, 25.25], [42.53, 25.03], [42.75, 24.5], [42.65, 24.25], [42.75, 24.0], [42.53, 23.47], [42.0, 23.25], [41.47, 23.47], [41.32, 23.82], [40.97, 23.97], [40.82, 24.32], [40.75, 24.35], [40.5, 24.25], [40.25, 24.35], [40.0, 24.25], [39.75, 24.35], [39.5, 24.25], [39.25, 24.35], [39.0, 24.25], [38.75, 24.35], [38.5, 24.25], [38.25, 24.35], [38.0, 24.25], [37.47, 24.47], [37.32, 24.82], [36.97, 24.97], [36.75, 25.5], [36.96, 26.0], [36.75, 26.5], [36.85, 26.75], [36.82, 26.82], [36.47, 26.97], [36.32, 27.32], [36.25, 27.35], [36.0, 27.25], [35.47, 27.47], [35.32, 27.82], [35.25, 27.85], [35.18, 27.82], [35.03, 27.47], [34.5, 27.25], [33.97, 27.47], [33.75, 28.0], [33.97, 28.53], [34.32, 28.68], [34.35, 28.75], [34.25, 29.0]], [[37.75, 30.85], [37.68, 30.82], [37.63, 30.7], [37.75, 30.65], [37.82, 30.68], [37.88, 30.8], [37.75, 30.85]]]]}, "2014-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.0, 29.25], [35.25, 29.15], [35.38, 29.2], [35.25, 29.5], [35.35, 29.75], [35.25, 30.0], [35.47, 30.53], [36.0, 30.75], [36.5, 30.54], [37.0, 30.75], [37.25, 30.65], [37.5, 30.75], [37.75, 30.65], [37.82, 30.68], [37.97, 31.03], [38.32, 31.18], [38.35, 31.25], [38.25, 31.5], [38.47, 32.03], [39.0, 32.25], [39.25, 32.15], [39.5, 32.25], [39.75, 32.15], [40.0, 32.25], [40.53, 32.03], [40.68, 31.68], [41.03, 31.53], [41.25, 31.0], [41.03, 30.47], [40.5, 30.25], [40.25, 30.35], [40.18, 30.32], [40.15, 30.25], [40.25, 30.0], [40.03, 29.47], [39.5, 29.25], [39.25, 29.35], [39.18, 29.32], [39.03, 28.97], [38.5, 28.75], [38.25, 28.85], [38.18, 28.82], [38.03, 28.47], [37.5, 28.25], [37.25, 28.35], [37.13, 28.3], [37.18, 28.18], [37.53, 28.03], [37.68, 27.68], [38.03, 27.53], [38.18, 27.18], [38.25, 27.15], [38.5, 27.25], [39.03, 27.03], [39.18, 26.68], [39.25, 26.65], [39.5, 26.75], [39.75, 26.65], [40.0, 26.75], [40.25, 26.65], [40.5, 26.75], [41.03, 26.53], [41.25, 26.0], [41.15, 25.75], [41.18, 25.68], [41.53, 25.53], [41.68, 25.18], [41.75, 25.15], [42.0, 25.25], [42.53, 25.03], [42.75, 24.5], [42.65, 24.25], [42.75, 24.0], [42.53, 23.47], [42.0, 23.25], [41.47, 23.47], [41.32, 23.82], [40.97, 23.97], [40.82, 24.32], [40.75, 24.35], [40.5, 24.25], [40.25, 24.35], [40.0, 24.25], [39.75, 24.35], [39.5, 24.25], [39.25, 24.35], [39.0, 24.25], [38.75, 24.35], [38.5, 24.25], [38.25, 24.35], [38.0, 24.25], [37.47, 24.47], [37.32, 24.82], [36.97, 24.97], [36.75, 25.5], [36.96, 26.0], [36.75, 26.5], [36.85, 26.75], [36.82, 26.82], [36.47, 26.97], [36.32, 27.32], [36.25, 27.35], [36.0, 27.25], [35.47, 27.47], [35.32, 27.82], [35.25, 27.85], [35.18, 27.82], [35.03, 27.47], [34.5, 27.25], [33.97, 27.47], [33.75, 28.0], [33.97, 28.53], [34.32, 28.68], [34.47, 29.03], [35.0, 29.25]]]]}, "2014-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 26.03], [39.0, 26.25], [39.25, 26.15], [39.5, 26.25], [39.75, 26.15], [40.0, 26.25], [40.25, 26.15], [40.5, 26.25], [41.03, 26.03], [41.18, 25.68], [41.53, 25.53], [41.68, 25.18], [41.75, 25.15], [42.0, 25.25], [42.53, 25.03], [42.75, 24.5], [42.65, 24.25], [42.75, 24.0], [42.53, 23.47], [42.0, 23.25], [41.47, 23.47], [41.32, 23.82], [40.97, 23.97], [40.82, 24.32], [40.75, 24.35], [40.5, 24.25], [40.25, 24.35], [40.0, 24.25], [39.75, 24.35], [39.5, 24.25], [39.25, 24.35], [39.0, 24.25], [38.47, 24.47], [38.25, 25.0], [38.35, 25.25], [38.25, 25.5], [38.47, 26.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.058255591832506}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.1059718547376316}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.768871173190462, 24.6113459837714, 24.73433496005208, 24.859010523310133, 24.881571920956787, 25.290843970090236, 26.759798888969897, 27.093818126848078, 29.11215566858243, 31.199952895790318]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.768871173190462, 22.75629464807639, 22.73347366873037, 21.846120698101515, 22.173693368787042, 21.538620494651013, 21.532623740954307, 21.935738850569862, 25.618828367575645, 28.154289145864084]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.4874987783996403, -2.6288957004951876, -2.4318764264128845, -2.6217914749242004, -2.5770319756212796, -2.616450352783708, -3.3532615335887592, -3.7502203474460196, -2.8959561651791392, -3.0266605977832675]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.4874987783996403, -2.9383126432987297, -2.5485270368249644, -3.1437311419271055, -3.3846074106565993, -3.376351843122734, -5.042518082634842, -5.058255591832506, -3.861004553367138, -3.5080806837079876]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3339069910393677, -1.4224704503374923, -1.3431643481153095, -1.5576682472403711, -1.5769540470724297, -1.4737708624291477, -1.667622214561449, -1.7718702392534538, -1.3176027482599753, -1.306697847543593]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3339069910393677, -1.5439061011221733, -1.4295982637231026, -1.8413243733454687, -1.9304936636537764, -1.8095606293996334, -2.3324823792763727, -2.372870008344771, -1.4831916617625855, -1.386173474441076]}}