{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:40.258635", "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": "2014-Jan-31_to_2014-Feb-02_31.0_29.5"}, "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": 2014010002861}, "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": "January 31 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2014"}, "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": 96859.78829527224}, "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": []}, "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": 29.5}, "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": 31.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 25.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.97, 28.97], [24.75, 29.5], [24.97, 30.03], [25.5, 30.25], 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"coordinates": [[[[24.97, 28.97], [24.75, 29.5], [24.97, 30.03], [25.5, 30.25], [25.75, 30.15], [25.82, 30.18], [25.85, 30.25], [25.75, 30.5], [25.97, 31.03], [26.5, 31.25], [26.75, 31.15], [27.0, 31.25], [27.25, 31.15], [27.5, 31.25], [28.03, 31.03], [28.18, 30.68], [28.5, 30.54], [29.0, 30.75], [29.25, 30.65], [29.32, 30.68], [29.47, 31.03], [30.0, 31.25], [30.25, 31.15], [30.5, 31.25], [31.03, 31.03], [31.18, 30.68], [31.53, 30.53], [31.68, 30.18], [32.03, 30.03], [32.18, 29.68], [32.53, 29.53], [32.75, 29.0], [32.65, 28.75], [32.75, 28.5], [32.53, 27.97], [32.0, 27.75], [31.47, 27.97], [31.32, 28.32], [31.25, 28.35], [31.18, 28.32], [31.03, 27.97], [30.5, 27.75], [30.25, 27.85], [30.0, 27.75], [29.75, 27.85], [29.5, 27.75], [29.25, 27.85], [29.0, 27.75], [28.47, 27.97], [28.32, 28.32], [27.97, 28.47], [27.82, 28.82], [27.75, 28.85], [27.5, 28.75], [26.97, 28.97], [26.82, 29.32], [26.75, 29.35], [26.68, 29.32], [26.53, 28.97], [26.0, 28.75], [25.75, 28.85], [25.5, 28.75], [24.97, 28.97]]]]}, "2014-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.97, 28.97], [24.75, 29.5], [24.97, 30.03], [25.5, 30.25], [25.75, 30.15], [25.82, 30.18], [25.85, 30.25], [25.75, 30.5], [25.97, 31.03], [26.5, 31.25], [26.75, 31.15], [27.0, 31.25], [27.25, 31.15], [27.5, 31.25], [28.03, 31.03], [28.18, 30.68], [28.5, 30.54], [29.0, 30.75], [29.25, 30.65], [29.32, 30.68], [29.47, 31.03], [30.0, 31.25], [30.25, 31.15], [30.5, 31.25], [31.03, 31.03], [31.18, 30.68], [31.53, 30.53], [31.68, 30.18], [32.03, 30.03], [32.18, 29.68], [32.53, 29.53], [32.75, 29.0], [32.65, 28.75], [32.75, 28.5], [32.53, 27.97], [32.0, 27.75], [31.47, 27.97], [31.32, 28.32], [31.25, 28.35], [31.18, 28.32], [31.03, 27.97], [30.5, 27.75], [30.25, 27.85], [30.0, 27.75], [29.75, 27.85], [29.5, 27.75], [29.25, 27.85], [29.0, 27.75], [28.47, 27.97], [28.32, 28.32], [27.97, 28.47], [27.82, 28.82], [27.75, 28.85], [27.5, 28.75], [26.97, 28.97], [26.82, 29.32], [26.75, 29.35], [26.68, 29.32], 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