{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:41.113481", "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-Nov-25_to_2024-Nov-27_34.5_26.5"}, "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": 2024110000501}, "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 25 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 27 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": 62516.41695453947}, "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": ["Egypt", "Jordan", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Mediterranean", "Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": ["Gulf of Aqaba", "Red 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": 26.5}, "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": 34.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, 30.03], [33.5, 30.25], [33.75, 30.15], [34.0, 30.25], 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28.25], [33.82, 28.32], [33.75, 28.35], [33.5, 28.25], [33.75, 28.15]]]]}, "2024-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, 30.03], [33.5, 30.25], [33.75, 30.15], [34.0, 30.25], [34.25, 30.15], [34.5, 30.25], [34.75, 30.15], [34.82, 30.18], [34.85, 30.25], [34.75, 30.5], [34.97, 31.03], [35.32, 31.18], [35.35, 31.25], [35.25, 31.5], [35.47, 32.03], [36.0, 32.25], [36.53, 32.03], [36.75, 31.5], [36.65, 31.25], [36.75, 31.0], [36.53, 30.47], [36.18, 30.32], [36.15, 30.25], [36.25, 30.0], [36.03, 29.47], [35.68, 29.32], [35.65, 29.25], [35.75, 29.0], [35.53, 28.47], [35.18, 28.32], [35.15, 28.25], [35.18, 28.18], [35.53, 28.03], [35.75, 27.5], [35.53, 26.97], [35.18, 26.82], [35.15, 26.75], [35.25, 26.5], [35.15, 26.25], [35.18, 26.18], [35.53, 26.03], [35.75, 25.5], [35.65, 25.25], [35.75, 25.0], [35.53, 24.47], [35.0, 24.25], [34.47, 24.47], [34.25, 25.0], [34.35, 25.25], [34.32, 25.32], [33.97, 25.47], [33.75, 26.0], [33.85, 26.25], [33.82, 26.32], 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t2m", "description": "The daily evolution of maximum t2m.", "value": [7.1517323811849, 6.120656585693382, 7.31144739786788]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.4957211474269765, -4.091358275208341, -3.3881368306245214]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.0564411779029115, -5.916227589559753, -4.519499249245371]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5562786904206722, -1.7469817240915808, -1.4398445435660114]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.026545361157079, -1.9090885222787624, -1.5863376586143079]}}