{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:41.738231", "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": "2024-May-05_to_2024-May-07_37.0_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": 2024050000196}, "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 05 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 07 2024"}, "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": 108172.92227505817}, "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": 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": 33.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[33.32, 38.68], [33.47, 39.03], [34.0, 39.25], [34.25, 39.15], [34.32, 39.18], [34.47, 39.53], [34.82, 39.68], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [35.82, 40.18], [35.97, 40.53], [36.32, 40.68], [36.47, 41.03], [37.0, 41.25], [37.25, 41.15], [37.5, 41.25], [37.75, 41.15], [38.0, 41.25], [38.25, 41.15], [38.5, 41.25], [39.03, 41.03], [39.25, 40.5], [39.15, 40.25], [39.25, 40.0], [39.15, 39.75], [39.25, 39.5], [39.15, 39.25], [39.18, 39.18], [39.53, 39.03], [39.75, 38.5], [39.53, 37.97], [39.18, 37.82], [39.15, 37.75], [39.25, 37.5], [39.03, 36.97], [38.5, 36.75], [37.97, 36.97], [37.8, 37.38], [37.5, 37.25], [37.0, 37.46], [36.5, 37.25], [36.0, 37.46], [35.5, 37.25], [35.25, 37.35], [35.0, 37.25], [34.7, 37.38], [34.53, 36.97], [34.0, 36.75], [33.75, 36.85], [33.5, 36.75], [32.97, 36.97], [32.75, 37.5], [32.85, 37.75], [32.75, 38.0], [32.97, 38.53], [33.32, 38.68]]]]}}, "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": {"2024-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.75, 38.0], [32.97, 38.53], [33.32, 38.68], [33.47, 39.03], [34.0, 39.25], [34.25, 39.15], [34.32, 39.18], [34.47, 39.53], [34.82, 39.68], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [35.82, 40.18], [35.97, 40.53], [36.32, 40.68], [36.47, 41.03], [37.0, 41.25], [37.25, 41.15], [37.5, 41.25], [37.75, 41.15], [38.0, 41.25], [38.25, 41.15], [38.5, 41.25], [39.03, 41.03], [39.25, 40.5], [39.15, 40.25], [39.25, 40.0], [39.15, 39.75], [39.25, 39.5], [39.15, 39.25], [39.18, 39.18], [39.53, 39.03], [39.75, 38.5], [39.53, 37.97], [39.18, 37.82], [39.15, 37.75], [39.25, 37.5], [39.03, 36.97], [38.5, 36.75], [37.97, 36.97], [37.8, 37.38], [37.5, 37.25], [37.0, 37.46], [36.5, 37.25], [36.0, 37.46], [35.5, 37.25], [35.25, 37.35], [35.0, 37.25], [34.7, 37.38], [34.53, 36.97], [34.0, 36.75], [33.75, 36.85], [33.5, 36.75], [32.97, 36.97], [32.75, 37.5], [32.85, 37.75], [32.75, 38.0]]]]}, "2024-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.75, 38.0], [32.97, 38.53], [33.32, 38.68], [33.47, 39.03], [34.0, 39.25], [34.25, 39.15], [34.32, 39.18], [34.47, 39.53], [34.82, 39.68], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [35.82, 40.18], [35.97, 40.53], [36.32, 40.68], [36.47, 41.03], [37.0, 41.25], [37.25, 41.15], [37.5, 41.25], [37.75, 41.15], [38.0, 41.25], [38.25, 41.15], [38.5, 41.25], [39.03, 41.03], [39.25, 40.5], [39.15, 40.25], [39.25, 40.0], [39.15, 39.75], [39.25, 39.5], [39.15, 39.25], [39.18, 39.18], [39.53, 39.03], [39.75, 38.5], [39.53, 37.97], [39.18, 37.82], [39.15, 37.75], [39.25, 37.5], [39.03, 36.97], [38.5, 36.75], [37.97, 36.97], [37.8, 37.38], [37.5, 37.25], [37.0, 37.46], [36.5, 37.25], [36.0, 37.46], [35.5, 37.25], [35.25, 37.35], [35.0, 37.25], [34.7, 37.38], [34.53, 36.97], [34.0, 36.75], [33.75, 36.85], [33.5, 36.75], [32.97, 36.97], [32.75, 37.5], [32.85, 37.75], [32.75, 38.0]]]]}, "2024-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.75, 38.0], [32.97, 38.53], [33.32, 38.68], [33.47, 39.03], [34.0, 39.25], [34.25, 39.15], [34.32, 39.18], [34.47, 39.53], [34.82, 39.68], [34.97, 40.03], [35.5, 40.25], [35.75, 40.15], [35.82, 40.18], [35.97, 40.53], [36.32, 40.68], [36.47, 41.03], [37.0, 41.25], [37.25, 41.15], [37.5, 41.25], [37.75, 41.15], [38.0, 41.25], [38.25, 41.15], [38.5, 41.25], [39.03, 41.03], [39.25, 40.5], [39.15, 40.25], [39.25, 40.0], [39.15, 39.75], [39.25, 39.5], [39.15, 39.25], [39.18, 39.18], [39.53, 39.03], [39.75, 38.5], [39.53, 37.97], [39.18, 37.82], [39.15, 37.75], [39.25, 37.5], [39.03, 36.97], [38.5, 36.75], [37.97, 36.97], [37.8, 37.38], [37.5, 37.25], [37.0, 37.46], [36.5, 37.25], [36.0, 37.46], [35.5, 37.25], [35.25, 37.35], [35.0, 37.25], [34.7, 37.38], [34.53, 36.97], [34.0, 36.75], [33.75, 36.85], [33.5, 36.75], [32.97, 36.97], [32.75, 37.5], [32.85, 37.75], [32.75, 38.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -9.056985777436353}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.55798338995335}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.782749923021015, 5.166646911856276, 7.925370524613072]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [3.388628480552768, 0.6539992431721089, 4.204069811282125]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.258916772125552, -7.018011967861525, -4.397021429872971]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.622394153124674, -9.056985777436353, -5.652243102427292]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7477422459705236, -2.3242270035258077, -1.4999980007341036]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.2215899500417335, -3.0437166791682535, -1.9447102490274222]}}