{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:11.989022", "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": "2022-Feb-27_to_2022-Mar-01_26.5_-5.0"}, "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": 2022020002447}, "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": "February 27 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 01 2022"}, "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": 70775.49844703934}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "S.Eastern-Africa"]}, "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": -5.0}, "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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\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": 28.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.75, -4.5], [24.97, -3.97], [25.5, -3.75], [25.75, -3.85], [25.82, -3.82], [25.97, -3.47], [26.5, -3.25], [27.03, -3.47], [27.18, -3.82], [27.25, -3.85], [27.5, -3.75], [27.75, -3.85], [28.0, -3.75], [28.25, -3.85], [28.5, -3.75], [29.03, -3.97], [29.25, -4.5], [29.03, -5.03], [28.68, -5.18], [28.53, -5.53], [28.13, -5.7], [28.18, -5.82], [28.25, -5.85], [28.5, -5.75], [29.03, -5.97], [29.25, -6.5], [29.03, -7.03], [28.5, -7.25], [28.25, -7.15], [28.0, -7.25], [27.75, -7.15], [27.5, -7.25], [27.25, -7.15], [27.0, -7.25], [26.75, -7.15], [26.5, -7.25], [25.97, -7.03], [25.82, -6.68], [25.47, -6.53], [25.25, -6.0], [25.35, -5.75], [25.25, -5.5], [25.35, -5.25], [25.32, -5.18], [24.97, -5.03], [24.75, -4.5]]]]}, "2022-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.75, -4.5], [24.97, -3.97], [25.5, -3.75], [25.75, -3.85], [25.82, -3.82], [25.97, -3.47], [26.5, -3.25], [27.03, -3.47], [27.18, -3.82], [27.25, -3.85], [27.5, -3.75], [27.75, -3.85], [28.0, -3.75], [28.25, -3.85], [28.5, -3.75], [29.03, -3.97], [29.25, -4.5], [29.03, -5.03], [28.68, -5.18], [28.53, -5.53], [28.13, -5.7], [28.18, -5.82], [28.25, -5.85], [28.5, -5.75], [29.03, -5.97], [29.25, -6.5], [29.03, -7.03], [28.5, -7.25], [28.25, -7.15], [28.0, -7.25], [27.75, -7.15], [27.5, -7.25], [27.25, -7.15], [27.0, -7.25], [26.75, -7.15], [26.5, -7.25], [25.97, -7.03], [25.82, -6.68], [25.47, -6.53], [25.25, -6.0], [25.35, -5.75], [25.25, -5.5], [25.35, -5.25], [25.32, -5.18], [24.97, -5.03], [24.75, -4.5]]]]}, "2022-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.75, -4.5], [24.97, -3.97], [25.5, -3.75], [25.75, -3.85], [25.82, -3.82], [25.97, -3.47], [26.5, -3.25], [27.03, -3.47], [27.18, -3.82], [27.25, -3.85], [27.5, -3.75], [27.75, -3.85], [28.0, -3.75], [28.25, -3.85], [28.5, -3.75], [29.03, -3.97], [29.25, -4.5], [29.03, -5.03], [28.68, -5.18], [28.53, -5.53], [28.13, -5.7], [28.18, -5.82], [28.25, -5.85], [28.5, -5.75], [29.03, -5.97], [29.25, -6.5], [29.03, -7.03], [28.5, -7.25], [28.25, -7.15], [28.0, -7.25], [27.75, -7.15], [27.5, -7.25], [27.25, -7.15], [27.0, -7.25], [26.75, -7.15], [26.5, -7.25], [25.97, -7.03], [25.82, -6.68], [25.47, -6.53], [25.25, -6.0], [25.35, -5.75], [25.25, -5.5], [25.35, -5.25], [25.32, -5.18], [24.97, -5.03], [24.75, -4.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.277665256523619}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8831630183455674}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.247878803905394, 26.197287602337326, 26.219686915683326]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.10418046810389, 26.885285214607677, 27.16475987682577]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9004728217772164, 1.856108784838111, 1.8929074484213748]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.274401237996699, 2.2223051944428676, 2.277665256523619]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5773032237827354, 1.5456840220292893, 1.5896784846891874]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7715911611152833, 1.7940708492646533, 1.9737845316840879]}}