{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:34.076584", "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-Nov-01_to_2016-Nov-04_38.0_38.0"}, "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": 2016110000102}, "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": "November 01 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 04 2016"}, "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": 53881.18448220371}, "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": ["Syria", "Turkiye"]}, "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": 38.0}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, 39.03], [36.5, 39.25], [37.03, 39.03], [37.18, 38.68], [37.25, 38.65], [37.5, 38.75], [37.75, 38.65], [37.82, 38.68], [37.97, 39.03], [38.5, 39.25], [38.75, 39.15], [39.0, 39.25], [39.25, 39.15], [39.5, 39.25], [39.75, 39.15], [40.0, 39.25], [40.53, 39.03], [40.75, 38.5], [40.53, 37.97], [40.0, 37.75], [39.75, 37.85], [39.5, 37.75], [39.25, 37.85], [39.18, 37.82], [39.03, 37.47], [38.5, 37.25], [38.25, 37.35], [38.0, 37.25], [37.75, 37.35], [37.5, 37.25], [37.25, 37.35], [37.0, 37.25], [36.75, 37.35], [36.5, 37.25], [35.97, 37.47], [35.75, 38.0], [35.85, 38.25], [35.75, 38.5], [35.97, 39.03]]]]}, "2016-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, 39.03], [36.5, 39.25], [37.03, 39.03], [37.18, 38.68], [37.25, 38.65], [37.5, 38.75], [37.75, 38.65], [37.82, 38.68], [37.97, 39.03], [38.5, 39.25], [38.75, 39.15], [39.0, 39.25], [39.25, 39.15], [39.5, 39.25], [39.75, 39.15], [40.0, 39.25], [40.53, 39.03], [40.68, 38.68], [41.03, 38.53], [41.25, 38.0], [41.04, 37.5], [41.25, 37.0], [41.03, 36.47], [40.5, 36.25], [40.25, 36.35], [40.18, 36.32], [40.03, 35.97], [39.5, 35.75], [39.0, 35.96], [38.5, 35.75], [38.25, 35.85], [38.0, 35.75], [37.47, 35.97], [37.25, 36.5], [37.35, 36.75], [37.25, 37.0], [37.35, 37.25], [37.32, 37.32], [37.25, 37.35], [37.0, 37.25], [36.75, 37.35], [36.5, 37.25], [35.97, 37.47], [35.75, 38.0], [35.85, 38.25], [35.75, 38.5], [35.97, 39.03]]]]}, "2016-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, 39.03], [36.5, 39.25], [37.03, 39.03], [37.18, 38.68], [37.25, 38.65], [37.5, 38.75], [37.75, 38.65], [37.82, 38.68], [37.97, 39.03], [38.5, 39.25], [38.75, 39.15], [39.0, 39.25], [39.25, 39.15], [39.5, 39.25], [39.75, 39.15], [40.0, 39.25], [40.53, 39.03], [40.68, 38.68], [41.03, 38.53], [41.25, 38.0], [41.04, 37.5], [41.25, 37.0], [41.03, 36.47], [40.5, 36.25], [40.25, 36.35], [40.18, 36.32], [40.03, 35.97], [39.5, 35.75], [39.0, 35.96], [38.5, 35.75], [38.25, 35.85], [38.0, 35.75], [37.47, 35.97], [37.25, 36.5], [37.35, 36.75], [37.25, 37.0], [37.35, 37.25], [37.32, 37.32], [37.25, 37.35], [37.0, 37.25], [36.75, 37.35], [36.5, 37.25], [35.97, 37.47], [35.75, 38.0], [35.85, 38.25], [35.75, 38.5], [35.97, 39.03]]]]}, "2016-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 37.25], [37.25, 37.5], [37.47, 38.03], [38.0, 38.25], [38.53, 38.03], [38.68, 37.68], [38.75, 37.65], [38.82, 37.68], [38.97, 38.03], [39.5, 38.25], [39.8, 38.13], [39.97, 38.53], [40.5, 38.75], [41.03, 38.53], [41.25, 38.0], [41.04, 37.5], [41.25, 37.0], [41.03, 36.47], [40.5, 36.25], [40.25, 36.35], [40.18, 36.32], [40.03, 35.97], [39.5, 35.75], [39.0, 35.96], [38.5, 35.75], [38.25, 35.85], [38.0, 35.75], [37.47, 35.97], [37.25, 36.5], [37.35, 36.75], [37.25, 37.0], [37.35, 37.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -8.237718959230733}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.6663106150977365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.054478711955198, 7.04053097524195, 7.118908959441512, 10.27021711517608]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-0.8834434533492299, -3.402948566505586, -0.2851671739127255, 8.262768240794173]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.723367984533939, -4.91602972038795, -4.698232968673026, -4.1024201326474765]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.815506901426716, -8.237718959230733, -5.62762367638436, -4.640635425074549]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6862046305992788, -1.8430741828143526, -1.774430845204141, -1.6144030020155196]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9419297218018223, -2.633102123545868, -2.1808769665667236, -1.8303166493640672]}}