{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:55.358261", "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": "2020-Jul-22_to_2020-Jul-25_26.5_15.0"}, "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": 2020070002760}, "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 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2020"}, "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": 65880.9198793398}, "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": ["Central-Africa", "N.Eastern-Africa", "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": 15.0}, "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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 25.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.25, 15.5], [25.47, 16.03], [26.0, 16.25], [26.53, 16.03], [26.68, 15.68], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.18, 15.18], [29.53, 15.03], [29.75, 14.5], [29.53, 13.97], [29.0, 13.75], [28.75, 13.85], [28.5, 13.75], [28.25, 13.85], [28.0, 13.75], [27.75, 13.85], [27.5, 13.75], [27.25, 13.85], [27.0, 13.75], [26.75, 13.85], [26.5, 13.75], [25.97, 13.97], [25.75, 14.5], [25.85, 14.75], [25.82, 14.82], [25.47, 14.97], [25.25, 15.5]]]]}, "2020-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.25, 15.5], [25.47, 16.03], [26.0, 16.25], [26.53, 16.03], [26.68, 15.68], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.18, 15.18], [29.25, 15.15], [29.5, 15.25], [30.03, 15.03], [30.25, 14.5], [30.15, 14.25], [30.25, 14.0], [30.03, 13.47], [29.68, 13.32], [29.53, 12.97], [29.18, 12.82], [29.03, 12.47], [28.5, 12.25], [27.97, 12.47], [27.82, 12.82], [27.47, 12.97], [27.32, 13.32], [26.97, 13.47], [26.82, 13.82], [26.75, 13.85], [26.5, 13.75], [25.97, 13.97], [25.75, 14.5], [25.85, 14.75], [25.82, 14.82], [25.47, 14.97], [25.25, 15.5]]]]}, "2020-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.25, 15.5], [25.47, 16.03], [26.0, 16.25], [26.53, 16.03], [26.68, 15.68], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.18, 15.18], [29.25, 15.15], [29.5, 15.25], [30.03, 15.03], [30.25, 14.5], [30.15, 14.25], [30.25, 14.0], [30.03, 13.47], [29.68, 13.32], [29.53, 12.97], [29.18, 12.82], [29.03, 12.47], [28.5, 12.25], [27.97, 12.47], [27.82, 12.82], [27.47, 12.97], [27.32, 13.32], [26.97, 13.47], [26.82, 13.82], [26.75, 13.85], [26.5, 13.75], [25.97, 13.97], [25.75, 14.5], [25.85, 14.75], [25.82, 14.82], [25.47, 14.97], [25.25, 15.5]]]]}, "2020-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.25, 15.5], [25.47, 16.03], [26.0, 16.25], [26.53, 16.03], [26.68, 15.68], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.18, 15.18], [29.25, 15.15], [29.5, 15.25], [30.03, 15.03], [30.25, 14.5], [30.15, 14.25], [30.25, 14.0], [30.03, 13.47], [29.68, 13.32], [29.53, 12.97], [29.18, 12.82], [29.03, 12.47], [28.5, 12.25], [27.97, 12.47], [27.82, 12.82], [27.47, 12.97], [27.32, 13.32], [26.97, 13.47], [26.82, 13.82], [26.75, 13.85], [26.5, 13.75], [25.97, 13.97], [25.75, 14.5], [25.85, 14.75], [25.82, 14.82], [25.47, 14.97], [25.25, 15.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.913787314794263}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6633520239988786}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.18701748761515, 31.492324036750745, 31.93021745170887, 31.79488449245696]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.79329530425292, 33.456644394723924, 33.740002097049455, 33.491272310656484]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8309368121812875, 2.35936360081715, 2.825119168986951, 2.7141634177294027]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2801518375892442, 3.079831488596369, 3.347100491316553, 3.913787314794263]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.540148242226988, 1.36642296981827, 1.640356114381026, 1.5660166712206036]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8631040409192823, 1.5490487671166338, 2.063754762806467, 1.9591084747454572]}}