{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:24.651531", "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": "2026-Jan-07_to_2026-Jan-09_30.5_23.5"}, "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": 2026010001376}, "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 07 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 09 2026"}, "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": 100887.61469049354}, "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", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 23.5}, "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": 30.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.25, 19.5], [27.47, 20.03], [28.0, 20.25], [28.25, 20.15], 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18.97], [27.25, 19.5]]]]}, "2026-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.25, 19.5], [27.47, 20.03], [28.0, 20.25], [28.25, 20.15], [28.32, 20.18], [28.35, 20.25], [28.32, 20.32], [27.97, 20.47], [27.75, 21.0], [27.85, 21.25], [27.75, 21.5], [27.85, 21.75], [27.75, 22.0], [27.97, 22.53], [28.32, 22.68], [28.35, 22.75], [28.25, 23.0], [28.47, 23.53], [29.0, 23.75], [29.25, 23.65], [29.5, 23.75], [29.75, 23.65], [29.82, 23.68], [29.85, 23.75], [29.75, 24.0], [29.85, 24.25], [29.75, 24.5], [29.97, 25.03], [30.5, 25.25], [31.03, 25.03], [31.25, 24.5], [31.15, 24.25], [31.25, 24.0], [31.15, 23.75], [31.25, 23.5], [31.15, 23.25], [31.25, 23.0], [31.15, 22.75], [31.25, 22.5], [31.03, 21.97], [30.68, 21.82], [30.53, 21.47], [30.18, 21.32], [30.15, 21.25], [30.25, 21.0], [30.03, 20.47], [29.68, 20.32], [29.65, 20.25], [29.68, 20.18], [30.03, 20.03], [30.18, 19.68], [30.25, 19.65], [30.5, 19.75], [31.03, 19.53], [31.25, 19.0], [31.03, 18.47], [30.68, 18.32], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.7172743281682905, 6.679154605983799, 4.302973017235623]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.444968799691196, 7.18280946803327, 5.642891049212267]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6604984425650189, 2.312152742264858, 1.4979733906784567]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8954708036916486, 2.7169296814162562, 1.831846099893015]}}