{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:18.131802", "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": "2011-Apr-16_to_2011-Apr-18_33.5_31.5"}, "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": 2011040002228}, "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": "April 16 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 18 2011"}, "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": "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": 169718.4039473853}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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 Suez", "Mediterranean Sea - Eastern Basin"]}, "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": 31.5}, "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": 33.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, 31.03], [30.82, 31.18], [30.85, 31.25], [30.82, 31.32], 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[30.25, 30.0], [30.35, 30.25], [30.25, 30.5], [30.47, 31.03]]]]}, "2011-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, 31.03], [30.82, 31.18], [30.85, 31.25], [30.82, 31.32], [30.47, 31.47], [30.25, 32.0], [30.47, 32.53], [30.82, 32.68], [30.85, 32.75], [30.75, 33.0], [30.85, 33.25], [30.75, 33.5], [30.97, 34.03], [31.5, 34.25], [31.75, 34.15], [31.82, 34.18], [31.97, 34.53], [32.5, 34.75], [32.75, 34.65], [33.0, 34.75], [33.25, 34.65], [33.5, 34.75], [33.75, 34.65], [33.82, 34.68], [33.97, 35.03], [34.5, 35.25], [34.75, 35.15], [34.82, 35.18], [34.85, 35.25], [34.75, 35.5], [34.97, 36.03], [35.5, 36.25], [36.03, 36.03], [36.25, 35.5], [36.15, 35.25], [36.25, 35.0], [36.15, 34.75], [36.25, 34.5], [36.15, 34.25], [36.25, 34.0], [36.03, 33.47], [35.68, 33.32], [35.65, 33.25], [35.75, 33.0], [35.53, 32.47], [35.13, 32.3], [35.25, 32.0], [35.03, 31.47], [34.68, 31.32], [34.65, 31.25], [34.75, 31.0], [34.53, 30.47], [34.0, 30.25], [33.75, 30.35], [33.68, 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"description": "The daily evolution of maximum t2m.", "value": [28.852948289337178, 30.35047649594867, 28.726058436729602]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.757031582123808, 4.391974906586464, 3.9581278977461327]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.113659024614037, 9.152526549567995, 8.166775421050374]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.051928170557899, 2.2902621832447103, 2.090179027213246]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.905019907923983, 3.2829689046209096, 3.038105576233922]}}