{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:56.593977", "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": "2014-Jul-10_to_2014-Jul-13_348.5_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": 2014070002168}, "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": "July 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 13 2014"}, "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": 64308.889801492354}, "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": ["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": 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": 348.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "348.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 346.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.75}, "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": 9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.65, 9.25], [-13.75, 9.5], [-13.53, 10.03], [-13.0, 10.25], [-12.47, 10.03], [-12.32, 9.68], [-12.0, 9.54], [-11.5, 9.75], [-10.97, 9.53], [-10.82, 9.18], [-10.47, 9.03], [-10.25, 8.5], [-10.35, 8.25], [-10.32, 8.18], [-9.97, 8.03], [-9.75, 7.5], [-9.85, 7.25], [-9.82, 7.18], [-9.75, 7.15], [-9.5, 7.25], [-8.97, 7.03], [-8.75, 6.5], [-8.85, 6.25], [-8.75, 6.0], [-8.97, 5.47], [-9.5, 5.25], [-10.03, 5.47], [-10.18, 5.82], [-10.25, 5.85], [-10.5, 5.75], [-11.03, 5.97], [-11.18, 6.32], [-11.25, 6.35], [-11.5, 6.25], [-12.03, 6.47], [-12.18, 6.82], [-12.53, 6.97], [-12.75, 7.5], [-12.65, 7.75], [-12.68, 7.82], [-12.75, 7.85], [-13.0, 7.75], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.75, 9.0], [-13.65, 9.25]]]]}, "2014-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.65, 9.25], [-13.75, 9.5], [-13.53, 10.03], [-13.0, 10.25], [-12.47, 10.03], [-12.32, 9.68], [-12.0, 9.54], [-11.5, 9.75], [-10.97, 9.53], [-10.82, 9.18], [-10.47, 9.03], [-10.25, 8.5], [-10.35, 8.25], [-10.32, 8.18], [-9.97, 8.03], [-9.75, 7.5], [-9.85, 7.25], [-9.82, 7.18], [-9.75, 7.15], [-9.5, 7.25], [-8.97, 7.03], [-8.75, 6.5], [-8.85, 6.25], [-8.75, 6.0], [-8.97, 5.47], [-9.5, 5.25], [-10.03, 5.47], [-10.18, 5.82], [-10.25, 5.85], [-10.5, 5.75], [-11.03, 5.97], [-11.18, 6.32], [-11.25, 6.35], [-11.5, 6.25], [-12.03, 6.47], [-12.18, 6.82], [-12.53, 6.97], [-12.68, 7.32], [-13.03, 7.47], [-13.18, 7.82], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.75, 9.0], [-13.65, 9.25]]]]}, "2014-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.65, 9.25], [-13.75, 9.5], [-13.53, 10.03], [-13.0, 10.25], [-12.47, 10.03], [-12.32, 9.68], [-12.0, 9.54], [-11.5, 9.75], [-10.97, 9.53], [-10.82, 9.18], [-10.47, 9.03], [-10.25, 8.5], [-10.35, 8.25], [-10.32, 8.18], [-9.97, 8.03], [-9.75, 7.5], [-9.85, 7.25], [-9.82, 7.18], [-9.75, 7.15], [-9.5, 7.25], [-8.97, 7.03], [-8.75, 6.5], [-8.85, 6.25], [-8.75, 6.0], [-8.97, 5.47], [-9.5, 5.25], [-10.03, 5.47], [-10.18, 5.82], [-10.25, 5.85], [-10.5, 5.75], [-11.03, 5.97], [-11.18, 6.32], [-11.25, 6.35], [-11.5, 6.25], [-12.03, 6.47], [-12.18, 6.82], [-12.53, 6.97], [-12.68, 7.32], [-13.03, 7.47], [-13.18, 7.82], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.75, 9.0], [-13.65, 9.25]]]]}, "2014-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.53, 9.53], [-13.0, 9.75], [-12.47, 9.53], [-12.25, 9.0], [-12.35, 8.75], [-12.32, 8.68], [-11.97, 8.53], [-11.75, 8.0], [-11.93, 7.57], [-11.5, 7.75], [-10.97, 7.53], [-10.75, 7.0], [-10.97, 6.47], [-11.5, 6.25], [-12.03, 6.47], [-12.25, 7.0], [-12.07, 7.43], [-12.5, 7.25], [-13.03, 7.47], [-13.18, 7.82], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.75, 9.0], [-13.53, 9.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7144059815305468}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0601573263788946}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.266514923478667, 25.36662362711462, 25.371898549347918, 25.614518200856082]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.161784441869713, 26.298543741454182, 26.30312459497253, 26.00953352856874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0022464032941685, 1.1034200496533177, 1.1368417368181445, 0.7199894898057408]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2687116753646137, 1.296434936250762, 1.7144059815305468, 0.7697304567166725]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4918606980985771, 1.7098733734406035, 1.7200033264186754, 1.3847159875189066]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7123199259655644, 2.04811874214776, 2.287221958152858, 1.5477362403201333]}}