{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:01.711238", "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_29.5_19.0"}, "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": 2026010001471}, "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": 70607.36528391688}, "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": ["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": 19.0}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "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, 18.5], [27.35, 18.75], [27.25, 19.0], [27.47, 19.53], [28.0, 19.75], [28.25, 19.65], [28.5, 19.75], [29.0, 19.54], [29.5, 19.75], [30.03, 19.53], [30.18, 19.18], [30.53, 19.03], [30.75, 18.5], [30.65, 18.25], [30.75, 18.0], [30.65, 17.75], [30.75, 17.5], [30.53, 16.97], [30.18, 16.82], [30.03, 16.47], [29.68, 16.32], [29.53, 15.97], [29.0, 15.75], [28.75, 15.85], [28.5, 15.75], [27.97, 15.97], [27.75, 16.5], [27.85, 16.75], [27.82, 16.82], [27.75, 16.85], [27.5, 16.75], [26.97, 16.97], [26.75, 17.5], [26.97, 18.03], [27.32, 18.18], [27.35, 18.25], [27.25, 18.5]]]]}, "2026-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.25, 18.5], [27.35, 18.75], [27.25, 19.0], [27.47, 19.53], [28.0, 19.75], [28.25, 19.65], [28.5, 19.75], [29.0, 19.54], [29.5, 19.75], [30.03, 19.53], [30.18, 19.18], [30.53, 19.03], [30.75, 18.5], [30.65, 18.25], [30.75, 18.0], [30.65, 17.75], [30.75, 17.5], [30.53, 16.97], [30.18, 16.82], [30.03, 16.47], [29.68, 16.32], [29.53, 15.97], [29.0, 15.75], [28.75, 15.85], [28.5, 15.75], [27.97, 15.97], [27.75, 16.5], [27.85, 16.75], [27.82, 16.82], [27.75, 16.85], [27.5, 16.75], [26.97, 16.97], [26.75, 17.5], [26.97, 18.03], [27.32, 18.18], [27.35, 18.25], [27.25, 18.5]]]]}, "2026-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.25, 18.5], [27.35, 18.75], [27.25, 19.0], [27.47, 19.53], [28.0, 19.75], [28.25, 19.65], [28.5, 19.75], [29.0, 19.54], [29.5, 19.75], [30.03, 19.53], [30.18, 19.18], [30.53, 19.03], [30.75, 18.5], [30.65, 18.25], [30.75, 18.0], [30.65, 17.75], [30.75, 17.5], [30.53, 16.97], [30.18, 16.82], [30.03, 16.47], [29.68, 16.32], [29.53, 15.97], [29.0, 15.75], [28.75, 15.85], [28.5, 15.75], [27.97, 15.97], [27.75, 16.5], [27.85, 16.75], [27.82, 16.82], [27.75, 16.85], [27.5, 16.75], [26.97, 16.97], [26.75, 17.5], [26.97, 18.03], [27.32, 18.18], [27.35, 18.25], [27.25, 18.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.988406432019929}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.350571302633384}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.117054663764122, 21.422839101155603, 21.114909956190388]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.501793162028036, 23.410204823811853, 22.889279937744163]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.58243135960132, 5.895001754601236, 5.574280793697594]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.53029796387284, 6.988406432019929, 5.950229683448356]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5686294210417782, 1.9222853222140508, 1.749255806823741]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7972145526542698, 2.2605139511538166, 1.8772922424807317]}}