{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:20.510343", "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": "2019-Aug-04_to_2019-Aug-08_1.0_7.5"}, "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": 2019080001432}, "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": "August 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2019"}, "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": 61220.05673333573}, "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": ["Ghana", "Togo"]}, "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": 7.5}, "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": 361.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 358.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "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": {"2019-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.0, 7.75], [1.53, 7.53], [1.75, 7.0], [1.53, 6.47], [1.0, 6.25], [0.47, 6.47], [0.25, 7.0], [0.47, 7.53], [1.0, 7.75]]]]}, "2019-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.15, 7.75], [-2.25, 8.0], [-2.15, 8.25], [-2.25, 8.5], [-2.15, 8.75], [-2.25, 9.0], [-2.03, 9.53], [-1.68, 9.68], [-1.53, 10.03], [-1.0, 10.25], [-0.47, 10.03], [-0.25, 9.5], [-0.37, 9.2], [0.03, 9.03], [0.18, 8.68], [0.25, 8.65], [0.5, 8.75], [1.03, 8.53], [1.18, 8.18], [1.53, 8.03], [1.75, 7.5], [1.65, 7.25], [1.75, 7.0], [1.53, 6.47], [1.0, 6.25], [0.47, 6.47], [0.32, 6.82], [0.0, 6.96], [-0.5, 6.75], [-0.75, 6.85], [-0.82, 6.82], [-0.97, 6.47], [-1.5, 6.25], [-2.03, 6.47], [-2.25, 7.0], [-2.15, 7.25], [-2.25, 7.5], [-2.15, 7.75]]]]}, "2019-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.15, 7.75], [-2.25, 8.0], [-2.15, 8.25], [-2.25, 8.5], [-2.15, 8.75], [-2.25, 9.0], [-2.03, 9.53], [-1.68, 9.68], [-1.53, 10.03], [-1.0, 10.25], [-0.47, 10.03], [-0.25, 9.5], [-0.37, 9.2], [0.0, 9.04], [0.5, 9.25], [1.03, 9.03], [1.18, 8.68], [1.53, 8.53], [1.75, 8.0], [1.65, 7.75], [1.75, 7.5], [1.65, 7.25], [1.75, 7.0], [1.53, 6.47], [1.0, 6.25], [0.47, 6.47], [0.32, 6.82], [0.25, 6.85], [0.0, 6.75], [-0.25, 6.85], [-0.5, 6.75], [-0.75, 6.85], [-0.82, 6.82], [-0.97, 6.47], [-1.5, 6.25], [-2.03, 6.47], [-2.25, 7.0], [-2.15, 7.25], [-2.25, 7.5], [-2.15, 7.75]]]]}, "2019-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.15, 7.75], [-2.25, 8.0], [-2.15, 8.25], [-2.25, 8.5], [-2.15, 8.75], [-2.25, 9.0], [-2.03, 9.53], [-1.68, 9.68], [-1.53, 10.03], [-1.0, 10.25], [-0.47, 10.03], [-0.25, 9.5], [-0.37, 9.2], [0.0, 9.04], [0.5, 9.25], [1.03, 9.03], [1.18, 8.68], [1.53, 8.53], [1.75, 8.0], [1.65, 7.75], [1.75, 7.5], [1.65, 7.25], [1.75, 7.0], [1.53, 6.47], [1.0, 6.25], [0.47, 6.47], [0.32, 6.82], [0.25, 6.85], [0.0, 6.75], [-0.25, 6.85], [-0.5, 6.75], [-0.75, 6.85], [-0.82, 6.82], [-0.97, 6.47], [-1.5, 6.25], [-2.03, 6.47], [-2.25, 7.0], [-2.15, 7.25], [-2.25, 7.5], [-2.15, 7.75]]]]}, "2019-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.25, 8.5], [-1.03, 9.03], [-0.5, 9.25], [0.0, 9.04], [0.5, 9.25], [1.03, 9.03], [1.18, 8.68], [1.53, 8.53], [1.75, 8.0], [1.65, 7.75], [1.75, 7.5], [1.53, 6.97], [1.0, 6.75], [0.75, 6.85], [0.5, 6.75], [0.25, 6.85], [0.0, 6.75], [-0.53, 6.97], [-0.75, 7.5], [-0.65, 7.75], [-0.68, 7.82], [-1.03, 7.97], [-1.25, 8.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8715448738605005}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1431603550244072}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.127390640338206, 26.45830306623685, 26.45449115915926, 26.66059337156571, 25.846050188419326]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.127390640338206, 27.466547230251138, 27.579547152250655, 27.9877271501137, 27.076660082159833]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9310719908630176, 1.0577627671423382, 1.1221815147581566, 1.2976153292482935, 1.0174509398998879]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9310719908630176, 1.4595408235044829, 1.3968384000567653, 1.8715448738605005, 1.1878419999213747]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3752038451773232, 1.411773713263788, 1.5542846465142812, 1.7557544268203855, 1.4970542358274885]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3752038451773232, 1.7904567313489677, 1.811510227857743, 2.3332570904641465, 1.9543286567390203]}}