{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:55.944186", "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": "2020-May-24_to_2020-May-26_38.5_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": 2020050000599}, "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": "May 24 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 26 2020"}, "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": 91330.63141896403}, "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": 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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\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": 35.25}, "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": {"2020-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 36.25], [37.25, 36.5], [37.35, 36.75], [37.25, 37.0], [37.35, 37.25], [37.25, 37.5], [37.47, 38.03], [37.82, 38.18], [37.97, 38.53], [38.5, 38.75], [38.75, 38.65], [39.0, 38.75], [39.25, 38.65], [39.5, 38.75], [39.75, 38.65], [39.82, 38.68], [39.97, 39.03], [40.5, 39.25], [41.03, 39.03], [41.18, 38.68], [41.25, 38.65], [41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.15, 37.75], [42.25, 37.5], [42.03, 36.97], [41.68, 36.82], [41.53, 36.47], [41.18, 36.32], [41.03, 35.97], [40.68, 35.82], [40.65, 35.75], [40.75, 35.5], [40.53, 34.97], [40.0, 34.75], [39.47, 34.97], [39.32, 35.32], [39.25, 35.35], [39.18, 35.32], [39.03, 34.97], [38.5, 34.75], [38.25, 34.85], [38.0, 34.75], [37.47, 34.97], [37.25, 35.5], [37.35, 35.75], [37.25, 36.0], [37.35, 36.25]]]]}, "2020-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 36.25], [37.25, 36.5], [37.35, 36.75], [37.25, 37.0], [37.35, 37.25], [37.25, 37.5], [37.47, 38.03], [37.82, 38.18], [37.97, 38.53], [38.5, 38.75], [38.75, 38.65], [39.0, 38.75], [39.25, 38.65], [39.5, 38.75], [39.75, 38.65], [39.82, 38.68], [39.97, 39.03], [40.5, 39.25], [41.03, 39.03], [41.18, 38.68], [41.25, 38.65], [41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.15, 37.75], [42.25, 37.5], [42.03, 36.97], [41.68, 36.82], [41.53, 36.47], [41.18, 36.32], [41.03, 35.97], [40.68, 35.82], [40.65, 35.75], [40.75, 35.5], [40.53, 34.97], [40.0, 34.75], [39.47, 34.97], [39.32, 35.32], [39.25, 35.35], [39.18, 35.32], [39.03, 34.97], [38.5, 34.75], [38.25, 34.85], [38.0, 34.75], [37.47, 34.97], [37.25, 35.5], [37.35, 35.75], [37.25, 36.0], [37.35, 36.25]]]]}, "2020-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.35, 36.25], [37.25, 36.5], [37.35, 36.75], [37.25, 37.0], [37.35, 37.25], [37.25, 37.5], [37.47, 38.03], [37.82, 38.18], [37.97, 38.53], [38.5, 38.75], [38.75, 38.65], [39.0, 38.75], [39.25, 38.65], [39.5, 38.75], [39.75, 38.65], [39.82, 38.68], [39.97, 39.03], [40.5, 39.25], [41.03, 39.03], [41.18, 38.68], [41.25, 38.65], [41.5, 38.75], [42.03, 38.53], [42.25, 38.0], [42.15, 37.75], [42.25, 37.5], [42.03, 36.97], [41.68, 36.82], [41.53, 36.47], [41.18, 36.32], [41.03, 35.97], [40.68, 35.82], [40.65, 35.75], [40.75, 35.5], [40.53, 34.97], [40.0, 34.75], [39.47, 34.97], [39.32, 35.32], [39.25, 35.35], [39.18, 35.32], [39.03, 34.97], [38.5, 34.75], [38.25, 34.85], [38.0, 34.75], [37.47, 34.97], [37.25, 35.5], [37.35, 35.75], [37.25, 36.0], [37.35, 36.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -9.631402362785252}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -6.347295866993516}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.7399583460828, 16.131131340110414, 19.84093852649289]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.065793972308313, 11.474132048246418, 14.349749872598352]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-7.021431535543109, -7.774219543876831, -4.246236521560613]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-9.631402362785252, -9.19690836456914, -5.487142407677027]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.476870224203787, -2.775042564965225, -1.515937346741108]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-3.178120518211379, -3.2368398249724954, -1.8116171170814253]}}