{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:04.854089", "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": "2011-Jul-31_to_2011-Aug-03_29.5_2.0"}, "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": 2011070003401}, "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 31 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2011"}, "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": 67927.58210680308}, "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", "South Sudan", "Uganda"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": 2.0}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 2.5], [27.97, 3.03], [28.32, 3.18], [28.35, 3.25], [28.25, 3.5], [28.47, 4.03], [29.0, 4.25], [29.53, 4.03], [29.68, 3.68], [30.03, 3.53], [30.25, 3.0], [30.04, 2.5], [30.25, 2.0], [30.03, 1.47], [29.5, 1.25], [29.25, 1.35], [29.18, 1.32], [29.03, 0.97], [28.5, 0.75], [28.25, 0.85], [28.0, 0.75], [27.47, 0.97], [27.25, 1.5], [27.47, 2.03], [27.82, 2.18], [27.85, 2.25], [27.75, 2.5]]]]}, "2011-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 2.5], [27.97, 3.03], [28.32, 3.18], [28.35, 3.25], [28.25, 3.5], [28.47, 4.03], [29.0, 4.25], [29.53, 4.03], [29.68, 3.68], [29.75, 3.65], [29.82, 3.68], [29.96, 4.0], [29.75, 4.5], [29.97, 5.03], [30.5, 5.25], [31.03, 5.03], [31.18, 4.68], [31.53, 4.53], [31.75, 4.0], [31.65, 3.75], [31.75, 3.5], [31.53, 2.97], [31.18, 2.82], [31.13, 2.7], [31.53, 2.53], [31.75, 2.0], [31.65, 1.75], [31.75, 1.5], [31.53, 0.97], [31.18, 0.82], [31.03, 0.47], [30.5, 0.25], [29.97, 0.47], [29.75, 1.0], [29.93, 1.43], [29.5, 1.25], [29.25, 1.35], [29.18, 1.32], [29.03, 0.97], [28.5, 0.75], [28.25, 0.85], [28.0, 0.75], [27.47, 0.97], [27.25, 1.5], [27.47, 2.03], [27.82, 2.18], [27.85, 2.25], [27.75, 2.5]]]]}, "2011-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 2.5], [27.97, 3.03], [28.32, 3.18], [28.35, 3.25], [28.25, 3.5], [28.47, 4.03], [29.0, 4.25], [29.53, 4.03], [29.68, 3.68], [29.75, 3.65], [29.82, 3.68], [29.96, 4.0], [29.75, 4.5], [29.97, 5.03], [30.5, 5.25], [31.03, 5.03], [31.18, 4.68], [31.53, 4.53], [31.75, 4.0], [31.65, 3.75], [31.75, 3.5], [31.53, 2.97], [31.18, 2.82], [31.13, 2.7], [31.53, 2.53], [31.75, 2.0], [31.65, 1.75], [31.75, 1.5], [31.53, 0.97], [31.18, 0.82], [31.03, 0.47], [30.5, 0.25], [29.97, 0.47], [29.75, 1.0], [29.93, 1.43], [29.5, 1.25], [29.25, 1.35], [29.18, 1.32], [29.03, 0.97], [28.5, 0.75], [28.25, 0.85], [28.0, 0.75], [27.47, 0.97], [27.25, 1.5], [27.47, 2.03], [27.82, 2.18], [27.85, 2.25], [27.75, 2.5]]]]}, "2011-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, 2.5], [28.47, 3.03], [29.0, 3.25], [29.25, 3.15], [29.32, 3.18], [29.47, 3.53], [29.82, 3.68], [29.96, 4.0], [29.75, 4.5], [29.97, 5.03], [30.5, 5.25], [31.03, 5.03], [31.18, 4.68], [31.53, 4.53], [31.75, 4.0], [31.65, 3.75], [31.75, 3.5], [31.53, 2.97], [31.18, 2.82], [31.13, 2.7], [31.53, 2.53], [31.75, 2.0], [31.65, 1.75], [31.75, 1.5], [31.53, 0.97], [31.18, 0.82], [31.03, 0.47], [30.5, 0.25], [29.97, 0.47], [29.75, 1.0], [29.93, 1.43], [29.5, 1.25], [28.97, 1.47], [28.82, 1.82], [28.47, 1.97], [28.25, 2.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1198373977927645}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.471762394507154}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.138320016916566, 23.23392820707585, 23.109920022861274, 22.878383949308557]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.16229640430265, 25.66397438566429, 25.655606228834074, 25.78812886632676]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.379179496635129, 1.604430376388941, 1.4531144476507336, 1.358718695090167]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5910312564564038, 2.102977620950412, 2.1198373977927645, 1.688855498862722]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6299414357647013, 1.9503802457982198, 1.7878274324121302, 1.7306178581338385]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9594922258042373, 2.386089499266251, 2.76552871544281, 2.16975339430725]}}