{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:41.067909", "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-Oct-09_to_2011-Oct-11_31.5_21.0"}, "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": 2011100002004}, "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": "October 09 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 11 2011"}, "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": 55064.35784210238}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 21.0}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.5, 20.75], [29.75, 20.65], [29.82, 20.68], [29.97, 21.03], [30.5, 21.25], [30.75, 21.15], [30.82, 21.18], [30.97, 21.53], [31.32, 21.68], [31.47, 22.03], [32.0, 22.25], [32.25, 22.15], [32.5, 22.25], [33.03, 22.03], [33.25, 21.5], [33.15, 21.25], [33.25, 21.0], [33.15, 20.75], [33.25, 20.5], [33.03, 19.97], [32.5, 19.75], [32.25, 19.85], [32.18, 19.82], [32.03, 19.47], [31.5, 19.25], [31.25, 19.35], [31.18, 19.32], [31.03, 18.97], [30.5, 18.75], [30.25, 18.85], [30.0, 18.75], [29.75, 18.85], [29.5, 18.75], [29.25, 18.85], [29.0, 18.75], [28.47, 18.97], [28.25, 19.5], [28.47, 20.03], [28.82, 20.18], [28.97, 20.53], [29.5, 20.75]]]]}, "2011-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.5, 20.75], [29.75, 20.65], [29.82, 20.68], [29.97, 21.03], [30.5, 21.25], [30.75, 21.15], [30.82, 21.18], [30.97, 21.53], [31.32, 21.68], [31.47, 22.03], [32.0, 22.25], [32.25, 22.15], [32.5, 22.25], [33.03, 22.03], [33.25, 21.5], [33.15, 21.25], [33.25, 21.0], [33.15, 20.75], [33.25, 20.5], [33.03, 19.97], [32.5, 19.75], [32.25, 19.85], [32.18, 19.82], [32.03, 19.47], [31.5, 19.25], [31.25, 19.35], [31.18, 19.32], [31.03, 18.97], [30.5, 18.75], [30.25, 18.85], [30.0, 18.75], [29.75, 18.85], [29.5, 18.75], [29.25, 18.85], [29.0, 18.75], [28.47, 18.97], [28.25, 19.5], [28.47, 20.03], [28.82, 20.18], [28.97, 20.53], [29.5, 20.75]]]]}, "2011-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.5, 20.75], [29.75, 20.65], [29.82, 20.68], [29.97, 21.03], [30.5, 21.25], [30.75, 21.15], [30.82, 21.18], [30.97, 21.53], [31.32, 21.68], [31.47, 22.03], [32.0, 22.25], [32.25, 22.15], [32.5, 22.25], [33.03, 22.03], [33.25, 21.5], [33.15, 21.25], [33.25, 21.0], [33.15, 20.75], [33.25, 20.5], [33.03, 19.97], [32.5, 19.75], [32.25, 19.85], [32.18, 19.82], [32.03, 19.47], [31.5, 19.25], [31.25, 19.35], [31.18, 19.32], [31.03, 18.97], [30.5, 18.75], [30.25, 18.85], [30.0, 18.75], [29.75, 18.85], [29.5, 18.75], [29.25, 18.85], [29.0, 18.75], [28.47, 18.97], [28.25, 19.5], [28.47, 20.03], [28.82, 20.18], [28.97, 20.53], [29.5, 20.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.081663021150462}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.038996864796132}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.842117325117044, 34.02670137672595, 33.58698201892571]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.989433881196135, 34.96392958151034, 34.7332947109997]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8490515983106603, 3.2686313244370298, 2.999307671640706]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3679472179964023, 4.081663021150462, 3.541872528124145]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4149844165673005, 1.5625116175121283, 1.3597160735499416]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5938851779347571, 1.8057106268898133, 1.469852496074762]}}