{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:44.815003", "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": "2025-Nov-02_to_2025-Nov-06_350.0_6.5"}, "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": 2025110001061}, "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": "November 02 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 06 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 55215.997239276316}, "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": ["C\u00f4te d'Ivoire", "Guinea", "Liberia", "Sierra Leone"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 6.5}, "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": 350.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 348.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 351.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.0, 7.25], [-9.47, 7.03], [-9.25, 6.5], [-9.47, 5.97], [-10.0, 5.75], [-10.53, 5.97], [-10.75, 6.5], [-10.53, 7.03], [-10.0, 7.25]]]]}, "2025-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 8.03], [-11.18, 8.18], [-11.03, 8.53], [-10.5, 8.75], [-9.97, 8.53], [-9.82, 8.18], [-9.75, 8.15], [-9.5, 8.25], [-9.25, 8.15], [-9.0, 8.25], [-8.75, 8.15], [-8.5, 8.25], [-7.97, 8.03], [-7.75, 7.5], [-7.85, 7.25], [-7.75, 7.0], [-7.85, 6.75], [-7.75, 6.5], [-7.97, 5.97], [-8.5, 5.75], [-8.75, 5.85], [-8.82, 5.82], [-8.97, 5.47], [-9.5, 5.25], [-10.03, 5.47], [-10.18, 5.82], [-10.53, 5.97], [-10.68, 6.32], [-10.75, 6.35], [-11.0, 6.25], [-11.53, 6.47], [-11.75, 7.0], [-11.65, 7.25], [-11.75, 7.5], [-11.53, 8.03]]]]}, "2025-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 8.03], [-11.18, 8.18], [-11.03, 8.53], [-10.5, 8.75], [-9.97, 8.53], [-9.82, 8.18], [-9.75, 8.15], [-9.5, 8.25], [-9.25, 8.15], [-9.0, 8.25], [-8.75, 8.15], [-8.5, 8.25], [-7.97, 8.03], [-7.75, 7.5], [-7.85, 7.25], [-7.75, 7.0], [-7.85, 6.75], [-7.75, 6.5], [-7.97, 5.97], [-8.5, 5.75], [-8.75, 5.85], [-8.82, 5.82], [-8.97, 5.47], [-9.5, 5.25], [-10.03, 5.47], [-10.18, 5.82], [-10.53, 5.97], [-10.68, 6.32], [-10.75, 6.35], [-11.0, 6.25], [-11.53, 6.47], [-11.75, 7.0], [-11.65, 7.25], [-11.75, 7.5], [-11.53, 8.03]]]]}, "2025-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 8.03], [-11.18, 8.18], [-11.03, 8.53], [-10.5, 8.75], [-9.97, 8.53], [-9.82, 8.18], [-9.75, 8.15], [-9.5, 8.25], [-9.25, 8.15], [-9.0, 8.25], [-8.75, 8.15], [-8.5, 8.25], [-7.97, 8.03], [-7.75, 7.5], [-7.85, 7.25], [-7.75, 7.0], [-7.85, 6.75], [-7.75, 6.5], [-7.97, 5.97], [-8.5, 5.75], [-8.75, 5.85], [-8.82, 5.82], [-8.97, 5.47], [-9.5, 5.25], [-10.03, 5.47], [-10.18, 5.82], [-10.53, 5.97], [-10.68, 6.32], [-10.75, 6.35], [-11.0, 6.25], [-11.53, 6.47], [-11.75, 7.0], [-11.65, 7.25], [-11.75, 7.5], [-11.53, 8.03]]]]}, "2025-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.0, 8.25], [-8.47, 8.03], [-8.25, 7.5], [-8.47, 6.97], [-9.0, 6.75], [-9.53, 6.97], [-9.75, 7.5], [-9.53, 8.03], [-9.0, 8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3402488075158203}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.004511944886674}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.709442392985068, 25.845268079969628, 25.778310394287132, 26.01860707600912, 25.52576853434249]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.709442392985068, 26.42512919108077, 26.277089691162132, 26.43970896402999, 25.52576853434249]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7874123620116507, 0.9847619376171034, 0.909435940735932, 1.1396411098551136, 0.8561547638954039]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7874123620116507, 1.1972663916021702, 1.1673017603125686, 1.3402488075158203, 0.8561547638954039]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2963425721988266, 1.6282370826088548, 1.4964183033044696, 1.856783328834992, 1.397603091815239]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2963425721988266, 2.043328331365391, 1.7837899740084442, 2.154562627530388, 1.397603091815239]}}