{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:37.108497", "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": "2015-Mar-21_to_2015-Mar-24_0.0_12.0"}, "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": 2015030002136}, "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": "March 21 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 24 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 51370.01939473295}, "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": ["Burkina Faso"]}, "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": 12.0}, "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": 360.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "0.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 358.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.03, 13.03], [-1.5, 13.25], [-1.25, 13.15], [-1.0, 13.25], [-0.47, 13.03], [-0.32, 12.68], [-0.25, 12.65], [0.0, 12.75], [0.25, 12.65], [0.5, 12.75], [0.75, 12.65], [1.0, 12.75], [1.53, 12.53], [1.75, 12.0], [1.53, 11.47], [1.18, 11.32], [1.03, 10.97], [0.5, 10.75], [0.25, 10.85], [0.0, 10.75], [-0.25, 10.85], [-0.5, 10.75], [-0.75, 10.85], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-2.03, 11.47], [-2.25, 12.0], [-2.15, 12.25], [-2.25, 12.5], [-2.03, 13.03]]]]}, "2015-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.03, 13.03], [-1.5, 13.25], [-1.25, 13.15], [-1.0, 13.25], [-0.75, 13.15], [-0.68, 13.18], [-0.53, 13.53], [0.0, 13.75], [0.25, 13.65], [0.5, 13.75], [1.03, 13.53], [1.25, 13.0], [1.15, 12.75], [1.18, 12.68], [1.53, 12.53], [1.75, 12.0], [1.53, 11.47], [1.18, 11.32], [1.03, 10.97], [0.5, 10.75], [0.25, 10.85], [0.0, 10.75], [-0.25, 10.85], [-0.5, 10.75], [-0.75, 10.85], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-2.03, 11.47], [-2.25, 12.0], [-2.15, 12.25], [-2.25, 12.5], [-2.03, 13.03]]]]}, "2015-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.03, 13.03], [-1.5, 13.25], [-1.25, 13.15], [-1.0, 13.25], [-0.75, 13.15], [-0.68, 13.18], [-0.53, 13.53], [0.0, 13.75], [0.25, 13.65], [0.5, 13.75], [1.03, 13.53], [1.25, 13.0], [1.15, 12.75], [1.18, 12.68], [1.53, 12.53], [1.75, 12.0], [1.53, 11.47], [1.18, 11.32], [1.03, 10.97], [0.5, 10.75], [0.25, 10.85], [0.0, 10.75], [-0.25, 10.85], [-0.5, 10.75], [-0.75, 10.85], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-2.03, 11.47], [-2.25, 12.0], [-2.15, 12.25], [-2.25, 12.5], [-2.03, 13.03]]]]}, "2015-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.03, 13.03], [-0.68, 13.18], [-0.53, 13.53], [0.0, 13.75], [0.25, 13.65], [0.5, 13.75], [1.03, 13.53], [1.25, 13.0], [1.15, 12.75], [1.25, 12.5], [1.03, 11.97], [0.68, 11.82], [0.53, 11.47], [0.0, 11.25], [-0.3, 11.38], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.75, 11.5], [-1.53, 12.03], [-1.12, 12.2], [-1.25, 12.5], [-1.03, 13.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.1357350008184994}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2445005797067656}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.594095409845806, 34.69700525400907, 34.768426783738676, 34.16721373037274]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.24241759311718, 35.43842645497614, 35.36786923149123, 34.52841727554659]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0850268214495884, 2.346122839516905, 2.3628060944553124, 1.9837738556479718]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2771664889252747, 2.934153244601248, 3.1357350008184994, 2.2782066293989374]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4035489299248167, 1.4840714208868746, 1.5018743914424921, 1.2630666093858516]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5448459723774042, 1.7548066857147395, 1.8812984585913533, 1.4487526447843855]}}