{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:34.970286", "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": "2025-Dec-17_to_2025-Dec-23_37.0_42.0"}, "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": 2025120002094}, "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": "December 17 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 23 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 57405.46387856323}, "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": ["Black Sea"]}, "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": 42.0}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[35.47, 42.53], [36.0, 42.75], [36.25, 42.65], [36.38, 42.7], [36.25, 43.0], [36.47, 43.53], [36.82, 43.68], [36.97, 44.03], [37.5, 44.25], [37.75, 44.15], [38.0, 44.25], [38.53, 44.03], [38.75, 43.5], [38.65, 43.25], [38.68, 43.18], [38.75, 43.15], [39.0, 43.25], [39.53, 43.03], [39.68, 42.68], [40.03, 42.53], [40.18, 42.18], [40.53, 42.03], [40.75, 41.5], [40.53, 40.97], [40.0, 40.75], [39.75, 40.85], [39.68, 40.82], [39.53, 40.47], [39.0, 40.25], [38.75, 40.35], [38.5, 40.25], [38.25, 40.35], [38.0, 40.25], [37.47, 40.47], [37.32, 40.82], [37.25, 40.85], [37.0, 40.75], [36.47, 40.97], [36.32, 41.32], [36.25, 41.35], [36.0, 41.25], [35.47, 41.47], [35.25, 42.0], [35.47, 42.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 44.03], [38.0, 44.25], [38.53, 44.03], [38.75, 43.5], [38.53, 42.97], [38.0, 42.75], [37.47, 42.97], [37.25, 43.5], [37.47, 44.03]]]]}, "2025-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 44.03], [38.0, 44.25], [38.53, 44.03], [38.75, 43.5], [38.53, 42.97], [38.0, 42.75], [37.47, 42.97], [37.25, 43.5], [37.47, 44.03]]]]}, "2025-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, 41.25], [35.47, 41.47], [35.25, 42.0], [35.47, 42.53], [36.0, 42.75], [36.25, 42.65], [36.38, 42.7], [36.25, 43.0], [36.47, 43.53], [36.82, 43.68], [36.97, 44.03], [37.5, 44.25], [37.75, 44.15], [38.0, 44.25], [38.53, 44.03], [38.75, 43.5], [38.65, 43.25], [38.75, 43.0], [38.53, 42.47], [38.0, 42.25], [37.75, 42.35], [37.63, 42.3], [37.75, 42.0], [37.53, 41.47], [37.0, 41.25], [36.75, 41.35], [36.5, 41.25], [36.25, 41.35], [36.0, 41.25]]]]}, "2025-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, 41.25], [35.47, 41.47], [35.25, 42.0], [35.47, 42.53], [36.0, 42.75], [36.25, 42.65], [36.38, 42.7], [36.25, 43.0], [36.47, 43.53], [36.82, 43.68], [36.97, 44.03], [37.5, 44.25], [38.03, 44.03], [38.18, 43.68], [38.53, 43.53], [38.75, 43.0], [38.53, 42.47], [38.0, 42.25], [37.75, 42.35], [37.63, 42.3], [37.75, 42.0], [37.53, 41.47], [37.0, 41.25], [36.75, 41.35], [36.5, 41.25], [36.25, 41.35], [36.0, 41.25]]]]}, "2025-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, 41.25], [35.47, 41.47], [35.25, 42.0], [35.47, 42.53], [36.0, 42.75], [36.25, 42.65], [36.38, 42.7], [36.25, 43.0], [36.47, 43.53], [36.82, 43.68], [36.97, 44.03], [37.5, 44.25], [38.03, 44.03], [38.18, 43.68], [38.53, 43.53], [38.68, 43.18], [38.75, 43.15], [39.0, 43.25], [39.53, 43.03], [39.68, 42.68], [40.03, 42.53], [40.18, 42.18], [40.53, 42.03], [40.75, 41.5], [40.53, 40.97], [40.0, 40.75], [39.75, 40.85], [39.68, 40.82], [39.53, 40.47], [39.0, 40.25], [38.75, 40.35], [38.5, 40.25], [38.25, 40.35], [38.0, 40.25], [37.47, 40.47], [37.32, 40.82], [37.25, 40.85], [37.0, 40.75], [36.47, 40.97], [36.32, 41.32], [36.25, 41.35], [36.0, 41.25]]]]}, "2025-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, 41.25], [35.47, 41.47], [35.25, 42.0], [35.47, 42.53], [36.0, 42.75], [36.25, 42.65], [36.5, 42.75], [36.75, 42.65], [37.0, 42.75], [37.25, 42.65], [37.5, 42.75], [37.75, 42.65], [37.82, 42.68], [37.97, 43.03], [38.5, 43.25], [38.75, 43.15], [39.0, 43.25], [39.53, 43.03], [39.68, 42.68], [40.03, 42.53], [40.18, 42.18], [40.53, 42.03], [40.75, 41.5], [40.53, 40.97], [40.0, 40.75], [39.75, 40.85], [39.68, 40.82], [39.53, 40.47], [39.0, 40.25], [38.75, 40.35], [38.5, 40.25], [38.25, 40.35], [38.0, 40.25], [37.47, 40.47], [37.32, 40.82], [37.25, 40.85], [37.0, 40.75], [36.47, 40.97], [36.32, 41.32], [36.25, 41.35], [36.0, 41.25]]]]}, "2025-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.25, 42.0], [36.47, 42.53], [37.0, 42.75], [37.25, 42.65], [37.5, 42.75], [37.75, 42.65], [37.82, 42.68], [37.97, 43.03], [38.5, 43.25], [38.75, 43.15], [39.0, 43.25], [39.53, 43.03], [39.68, 42.68], [40.03, 42.53], [40.18, 42.18], [40.53, 42.03], [40.75, 41.5], [40.53, 40.97], [40.0, 40.75], [39.75, 40.85], [39.68, 40.82], [39.53, 40.47], [39.0, 40.25], [38.75, 40.35], [38.5, 40.25], [38.25, 40.35], [38.0, 40.25], [37.47, 40.47], [37.32, 40.82], [37.25, 40.85], [37.0, 40.75], [36.47, 40.97], [36.25, 41.5], [36.35, 41.75], [36.25, 42.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.197274343580887}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.594550174885287}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.863562520345056, 11.992948150634788, 12.340886688232445, 12.130784425281377, 12.531961483425619, 12.645514424641988, 12.734625470196818]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.863562520345056, 11.992948150634788, 12.79544601440432, 12.347023264567099, 13.358207956949911, 13.56275075276693, 13.625349934895837]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.430457810174005, 3.631857546421145, 3.650184747731309, 3.407138215089268, 3.5792549533934612, 3.57220665070779, 3.694969504237128]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.430457810174005, 3.631857546421145, 4.144411009709529, 4.0093411128821685, 4.4730275625574905, 5.197274343580887, 4.626988592136797]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1709108180801622, 1.2159040770763965, 1.3025827732768176, 1.285349753586128, 1.3836110620069422, 1.3968266529682738, 1.4448395058047643]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1709108180801622, 1.2159040770763965, 1.393017172993257, 1.4322565145656476, 1.5630009137935754, 1.5302752409732938, 1.5717267409054358]}}