{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:50.519456", "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": "2023-Jun-19_to_2023-Jun-23_35.0_39.0"}, "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": 2023060000699}, "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 19 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 67696.31729591703}, "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": ["T\u00fcrkiye"]}, "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": 39.0}, "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": 32.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[32.32, 39.68], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.5, 40.25], [33.75, 40.15], [34.0, 40.25], [34.5, 40.04], [35.0, 40.25], [35.25, 40.15], [35.5, 40.25], [36.03, 40.03], [36.25, 39.5], [36.15, 39.25], [36.18, 39.18], [36.53, 39.03], [36.75, 38.5], [36.53, 37.97], [36.18, 37.82], [36.03, 37.47], [35.5, 37.25], [35.25, 37.35], [35.18, 37.32], [35.03, 36.97], [34.5, 36.75], [34.25, 36.85], [34.18, 36.82], [34.03, 36.47], [33.5, 36.25], [32.97, 36.47], [32.75, 37.0], [32.85, 37.25], [32.82, 37.32], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.32, 38.32], [31.97, 38.47], [31.75, 39.0], [31.97, 39.53], [32.32, 39.68]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.97, 38.47], [31.75, 39.0], [31.97, 39.53], [32.32, 39.68], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.5, 40.25], [33.75, 40.15], [34.0, 40.25], [34.53, 40.03], [34.68, 39.68], [34.75, 39.65], [35.0, 39.75], [35.53, 39.53], [35.75, 39.0], [35.53, 38.47], [35.0, 38.25], [34.75, 38.35], [34.63, 38.3], [34.75, 38.0], [34.53, 37.47], [34.0, 37.25], [33.5, 37.46], [33.0, 37.25], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.32, 38.32], [31.97, 38.47]]]]}, "2023-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.97, 38.47], [31.75, 39.0], [31.97, 39.53], [32.32, 39.68], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.5, 40.25], [33.75, 40.15], [34.0, 40.25], [34.5, 40.04], [35.0, 40.25], [35.25, 40.15], [35.5, 40.25], [36.03, 40.03], [36.25, 39.5], [36.15, 39.25], [36.18, 39.18], [36.53, 39.03], [36.75, 38.5], [36.53, 37.97], [36.18, 37.82], [36.03, 37.47], [35.5, 37.25], [35.25, 37.35], [35.18, 37.32], [35.03, 36.97], [34.5, 36.75], [34.25, 36.85], [34.18, 36.82], [34.03, 36.47], [33.5, 36.25], [32.97, 36.47], [32.75, 37.0], [32.85, 37.25], [32.82, 37.32], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.32, 38.32], [31.97, 38.47]]]]}, "2023-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.97, 38.47], [31.75, 39.0], [31.97, 39.53], [32.32, 39.68], [32.47, 40.03], [33.0, 40.25], [33.25, 40.15], [33.5, 40.25], [33.75, 40.15], [34.0, 40.25], [34.5, 40.04], [35.0, 40.25], [35.25, 40.15], [35.5, 40.25], [36.03, 40.03], [36.25, 39.5], [36.15, 39.25], [36.18, 39.18], [36.53, 39.03], [36.75, 38.5], [36.53, 37.97], [36.18, 37.82], [36.03, 37.47], [35.5, 37.25], [35.25, 37.35], [35.18, 37.32], [35.03, 36.97], [34.5, 36.75], [34.25, 36.85], [34.18, 36.82], [34.03, 36.47], [33.5, 36.25], [32.97, 36.47], [32.75, 37.0], [32.85, 37.25], [32.82, 37.32], [32.47, 37.47], [32.25, 38.0], [32.35, 38.25], [32.32, 38.32], [31.97, 38.47]]]]}, "2023-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.75, 37.5], [32.85, 37.75], [32.75, 38.0], [32.97, 38.53], [33.32, 38.68], [33.35, 38.75], [33.25, 39.0], [33.47, 39.53], [34.0, 39.75], [34.25, 39.65], [34.32, 39.68], [34.47, 40.03], [35.0, 40.25], [35.25, 40.15], [35.5, 40.25], [36.03, 40.03], [36.25, 39.5], [36.15, 39.25], [36.18, 39.18], [36.53, 39.03], [36.75, 38.5], [36.53, 37.97], [36.18, 37.82], [36.03, 37.47], [35.5, 37.25], [35.25, 37.35], [35.18, 37.32], [35.03, 36.97], [34.5, 36.75], [34.25, 36.85], [34.18, 36.82], [34.03, 36.47], [33.5, 36.25], [32.97, 36.47], [32.75, 37.0], [32.85, 37.25], [32.75, 37.5]]]]}, "2023-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 38.47], [33.75, 39.0], [33.97, 39.53], [34.5, 39.75], [34.75, 39.65], [35.0, 39.75], [35.53, 39.53], [35.75, 39.0], [35.65, 38.75], [35.75, 38.5], [35.65, 38.25], [35.75, 38.0], [35.53, 37.47], [35.0, 37.25], [34.47, 37.47], [34.25, 38.0], [34.35, 38.25], [34.32, 38.32], [33.97, 38.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.062911909609227}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.083420015000967}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.668392384940546, 16.71685130209437, 16.43624079917805, 16.187359197460694, 16.98186875429866]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.659456227712838, 13.035450894555424, 12.77763564001367, 12.924537050550668, 13.80856875324639]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.9192092837322483, -3.8474359462042025, -4.336179934783353, -4.241257955360277, -3.669431550111213]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.533610461810724, -4.673246607797978, -5.062911909609227, -4.9789016814444835, -3.9035164550556374]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4588776444506077, -1.5009512768032114, -1.6848964736684349, -1.6532256299833943, -1.4363177013801902]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.647425432349871, -1.6815749801654478, -1.9292964526374974, -1.878587852173589, -1.5259943481195712]}}