{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:53:35.315402", "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-May-22_to_2026-May-24_15.0_7.0"}, "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": 2026050002319}, "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": "May 22 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 24 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": 98262.75589032784}, "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": ["Cameroon", "Central African Republic", "Chad"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": 7.0}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, 6.75], [13.25, 7.0], [13.47, 7.53], [13.82, 7.68], [13.85, 7.75], [13.75, 8.0], [13.97, 8.53], [14.32, 8.68], [14.47, 9.03], [15.0, 9.25], [15.25, 9.15], [15.5, 9.25], [16.03, 9.03], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.15, 7.25], [16.18, 7.18], [16.53, 7.03], [16.7, 6.63], [17.0, 6.75], [17.25, 6.65], [17.5, 6.75], [18.03, 6.53], [18.25, 6.0], [18.03, 5.47], [17.68, 5.32], [17.53, 4.97], [17.18, 4.82], [17.15, 4.75], [17.25, 4.5], [17.03, 3.97], [16.5, 3.75], [15.97, 3.97], [15.82, 4.32], [15.47, 4.47], [15.32, 4.82], [15.25, 4.85], [15.0, 4.75], [14.75, 4.85], [14.5, 4.75], [13.97, 4.97], [13.82, 5.32], [13.47, 5.47], [13.25, 6.0], [13.35, 6.25], [13.25, 6.5], [13.35, 6.75]]]]}, "2026-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, 6.75], [13.25, 7.0], [13.47, 7.53], [13.82, 7.68], [13.85, 7.75], [13.75, 8.0], [13.97, 8.53], [14.32, 8.68], [14.47, 9.03], [15.0, 9.25], [15.25, 9.15], [15.5, 9.25], [16.03, 9.03], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.15, 7.25], [16.18, 7.18], [16.53, 7.03], [16.7, 6.63], [17.0, 6.75], [17.25, 6.65], [17.5, 6.75], [18.03, 6.53], [18.25, 6.0], [18.03, 5.47], [17.68, 5.32], [17.53, 4.97], [17.18, 4.82], [17.15, 4.75], [17.25, 4.5], [17.03, 3.97], [16.5, 3.75], [15.97, 3.97], [15.82, 4.32], [15.47, 4.47], [15.32, 4.82], [15.25, 4.85], [15.0, 4.75], [14.75, 4.85], [14.5, 4.75], [13.97, 4.97], [13.82, 5.32], [13.47, 5.47], [13.25, 6.0], [13.35, 6.25], [13.25, 6.5], [13.35, 6.75]]]]}, "2026-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, 6.75], [13.25, 7.0], [13.47, 7.53], [13.82, 7.68], [13.85, 7.75], [13.75, 8.0], [13.97, 8.53], [14.32, 8.68], [14.47, 9.03], [15.0, 9.25], [15.25, 9.15], [15.5, 9.25], [16.03, 9.03], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.15, 7.25], [16.18, 7.18], [16.53, 7.03], [16.7, 6.63], [17.0, 6.75], [17.25, 6.65], [17.5, 6.75], [18.03, 6.53], [18.25, 6.0], [18.03, 5.47], [17.68, 5.32], [17.53, 4.97], [17.18, 4.82], [17.15, 4.75], [17.25, 4.5], [17.03, 3.97], [16.5, 3.75], [15.97, 3.97], [15.82, 4.32], [15.47, 4.47], [15.32, 4.82], [15.25, 4.85], [15.0, 4.75], [14.75, 4.85], [14.5, 4.75], [13.97, 4.97], [13.82, 5.32], [13.47, 5.47], [13.25, 6.0], [13.35, 6.25], [13.25, 6.5], [13.35, 6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7228574145382822}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.017751225978032}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.462749735514365, 26.38033320109048, 26.962791697184286]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.500416056315146, 31.099980926513695, 32.199834442138695]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7949772445369323, 1.79754874987856, 2.460727683518604]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7478434542656487, 2.495484729600662, 3.7228574145382822]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6097809894023338, 1.615857046655707, 2.1890466691360215]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9572221567989836, 1.9710666984317369, 2.582955138857919]}}