{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:35.796052", "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-Jan-01_to_2011-Jan-05_31.0_-9.0"}, "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": 2011010001624}, "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": "January 01 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2011"}, "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": 67309.13958077302}, "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", "Tanzania", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -9.0}, "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": 31.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.03, -7.97], [32.25, -8.5], [32.03, -9.03], [31.68, -9.18], [31.53, -9.53], [31.0, -9.75], [30.47, -9.53], [30.25, -9.0], [30.47, -8.47], [30.82, -8.32], [30.97, -7.97], [31.5, -7.75], [32.03, -7.97]]], [[[30.5, -5.75], [31.03, -5.97], [31.25, -6.5], [31.15, -6.75], [31.25, -7.0], [31.03, -7.53], [30.5, -7.75], [29.97, -7.53], [29.75, -7.0], [29.85, -6.75], [29.75, -6.5], [29.97, -5.97], [30.5, -5.75]]]]}, "2011-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.35, -6.25], [29.25, -6.0], [29.35, -5.75], [29.25, -5.5], [29.47, -4.97], [30.0, -4.75], [30.25, -4.85], [30.5, -4.75], [31.03, -4.97], [31.25, -5.5], [31.13, -5.8], [31.53, -5.97], [31.75, -6.5], [31.54, -7.0], [31.75, -7.5], [31.63, -7.8], [32.03, -7.97], [32.25, -8.5], [32.03, -9.03], [31.68, -9.18], [31.53, -9.53], [31.0, -9.75], [30.75, -9.65], [30.5, -9.75], [29.97, -9.53], [29.75, -9.0], [29.97, -8.47], [30.5, -8.25], [30.75, -8.35], [30.82, -8.32], [30.88, -8.2], [30.47, -8.03], [30.32, -7.68], [30.25, -7.65], [30.0, -7.75], [29.47, -7.53], [29.25, -7.0], [29.35, -6.75], [29.25, -6.5], [29.35, -6.25]]]]}, "2011-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.35, -6.25], [29.25, -6.0], [29.35, -5.75], [29.25, -5.5], [29.47, -4.97], [30.0, -4.75], [30.25, -4.85], [30.5, -4.75], [31.03, -4.97], [31.25, -5.5], [31.13, -5.8], [31.25, -5.85], [31.5, -5.75], [32.03, -5.97], [32.25, -6.5], [32.15, -6.75], [32.25, -7.0], [32.04, -7.5], [32.25, -8.0], [32.15, -8.25], [32.25, -8.5], [32.03, -9.03], [31.68, -9.18], [31.65, -9.25], [31.75, -9.5], [31.65, -9.75], [31.68, -9.82], [32.03, -9.97], [32.25, -10.5], [32.03, -11.03], [31.5, -11.25], [31.25, -11.15], [31.0, -11.25], [30.75, -11.15], [30.5, -11.25], [29.97, -11.03], [29.75, -10.5], [29.85, -10.25], [29.75, -10.0], [29.85, -9.75], [29.75, -9.5], [29.85, -9.25], [29.75, -9.0], [29.97, -8.47], [30.5, -8.25], [30.75, -8.35], [30.82, -8.32], [30.85, -8.25], [30.82, -8.18], [30.47, -8.03], [30.32, -7.68], [30.25, -7.65], [30.0, -7.75], [29.47, -7.53], [29.25, -7.0], [29.35, -6.75], [29.25, -6.5], [29.35, -6.25]]]]}, "2011-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.35, -6.25], [29.25, -6.0], [29.35, -5.75], [29.25, -5.5], [29.47, -4.97], [30.0, -4.75], [30.25, -4.85], [30.5, -4.75], [31.03, -4.97], [31.25, -5.5], [31.13, -5.8], [31.25, -5.85], [31.5, -5.75], [32.03, -5.97], [32.25, -6.5], [32.15, -6.75], [32.25, -7.0], [32.04, -7.5], [32.25, -8.0], [32.15, -8.25], [32.25, -8.5], [32.03, -9.03], [31.68, -9.18], [31.65, -9.25], [31.75, -9.5], [31.65, -9.75], [31.68, -9.82], [32.03, -9.97], [32.25, -10.5], [32.03, -11.03], [31.5, -11.25], [31.25, -11.15], [31.0, -11.25], [30.75, -11.15], [30.5, -11.25], [29.97, -11.03], [29.75, -10.5], [29.85, -10.25], [29.75, -10.0], [29.85, -9.75], [29.75, -9.5], [29.85, -9.25], [29.75, -9.0], [29.97, -8.47], [30.5, -8.25], [30.75, -8.35], [30.82, -8.32], [30.85, -8.25], [30.82, -8.18], [30.47, -8.03], [30.32, -7.68], [30.25, -7.65], [30.0, -7.75], [29.47, -7.53], [29.25, -7.0], 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amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.628483082064065}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.864627304372277, 23.288826336665522, 23.148175294333384, 23.037411632875944, 22.26619018408701]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.528395100846865, 25.687127715059546, 26.002077694351613, 25.796167163966174, 24.875585981239226]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3575565408307853, 1.4417549131697551, 1.7796823206978445, 1.6772108184035053, 1.5458716006989885]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5840785186802009, 1.9279761596208687, 2.1300861594103253, 2.2582573469198337, 1.9363201084294133]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5175925388004026, 1.6567461548131763, 1.9521317123987971, 1.7721897444814465, 1.5952890882737323]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5517022697150247, 1.8904326746994127, 2.40376911864516, 2.188887788377508, 1.9837167703509146]}}