{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:51.383740", "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": "2022-Jul-12_to_2022-Jul-15_352.0_10.0"}, "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": 2022070002143}, "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 12 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 2022"}, "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": 64079.615363403405}, "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": ["C\u00f4te d'Ivoire", "Guinea"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": 10.0}, "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": 352.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "352.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 354.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-9.53, 10.53], [-9.0, 10.75], [-8.75, 10.65], [-8.5, 10.75], [-8.25, 10.65], [-8.0, 10.75], [-7.47, 10.53], [-7.32, 10.18], [-7.25, 10.15], [-7.0, 10.25], [-6.75, 10.15], [-6.68, 10.18], [-6.53, 10.53], [-6.0, 10.75], [-5.75, 10.65], [-5.5, 10.75], [-4.97, 10.53], [-4.75, 10.0], [-4.97, 9.47], [-5.32, 9.32], [-5.35, 9.25], [-5.32, 9.18], [-4.97, 9.03], [-4.75, 8.5], [-4.97, 7.97], [-5.5, 7.75], [-5.75, 7.85], [-6.0, 7.75], [-6.3, 7.88], [-6.47, 7.47], [-7.0, 7.25], [-7.25, 7.35], [-7.5, 7.25], [-8.03, 7.47], [-8.25, 8.0], [-8.15, 8.25], [-8.18, 8.32], [-8.53, 8.47], [-8.75, 9.0], [-8.65, 9.25], [-8.68, 9.32], [-8.75, 9.35], [-9.0, 9.25], [-9.53, 9.47], [-9.75, 10.0], [-9.53, 10.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.0, 9.25], [-9.529999999999973, 9.47], [-9.75, 10.0], [-9.529999999999973, 10.53], [-9.0, 10.75], [-8.75, 10.65], [-8.5, 10.75], [-8.25, 10.65], [-8.0, 10.75], [-7.470000000000027, 10.53], [-7.25, 10.0], [-7.470000000000027, 9.47], [-8.0, 9.25], [-8.25, 9.35], [-8.5, 9.25], [-8.75, 9.35], [-9.0, 9.25]]]]}, "2022-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.0, 9.25], [-9.529999999999973, 9.47], [-9.75, 10.0], [-9.529999999999973, 10.53], [-9.0, 10.75], [-8.75, 10.65], [-8.5, 10.75], [-8.25, 10.65], [-8.0, 10.75], [-7.470000000000027, 10.53], [-7.319999999999993, 10.18], [-7.25, 10.15], [-7.0, 10.25], [-6.75, 10.15], [-6.680000000000007, 10.18], [-6.529999999999973, 10.53], [-6.0, 10.75], [-5.75, 10.65], [-5.5, 10.75], [-4.970000000000027, 10.53], [-4.75, 10.0], [-4.970000000000027, 9.47], [-5.319999999999993, 9.32], [-5.350000000000023, 9.25], [-5.319999999999993, 9.18], [-4.970000000000027, 9.03], [-4.75, 8.5], [-4.970000000000027, 7.97], [-5.5, 7.75], [-5.75, 7.85], [-6.0, 7.75], [-6.300000000000011, 7.88], [-6.470000000000027, 7.47], [-7.0, 7.25], [-7.25, 7.35], [-7.5, 7.25], [-8.029999999999973, 7.47], [-8.25, 8.0], [-8.149999999999977, 8.25], [-8.180000000000007, 8.32], [-8.529999999999973, 8.47], [-8.75, 9.0], [-8.649999999999977, 9.25], [-8.680000000000007, 9.32], [-8.75, 9.35], [-9.0, 9.25]]]]}, "2022-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.0, 9.25], [-9.529999999999973, 9.47], [-9.75, 10.0], [-9.529999999999973, 10.53], [-9.0, 10.75], [-8.75, 10.65], [-8.5, 10.75], [-8.25, 10.65], [-8.0, 10.75], [-7.470000000000027, 10.53], [-7.319999999999993, 10.18], [-7.25, 10.15], [-7.0, 10.25], [-6.75, 10.15], [-6.680000000000007, 10.18], [-6.529999999999973, 10.53], [-6.0, 10.75], [-5.75, 10.65], [-5.5, 10.75], [-4.970000000000027, 10.53], [-4.75, 10.0], [-4.970000000000027, 9.47], [-5.319999999999993, 9.32], [-5.350000000000023, 9.25], [-5.319999999999993, 9.18], [-4.970000000000027, 9.03], [-4.75, 8.5], [-4.970000000000027, 7.97], [-5.5, 7.75], [-5.75, 7.85], [-6.0, 7.75], [-6.300000000000011, 7.88], [-6.470000000000027, 7.47], [-7.0, 7.25], [-7.25, 7.35], [-7.5, 7.25], [-8.029999999999973, 7.47], [-8.25, 8.0], [-8.149999999999977, 8.25], [-8.180000000000007, 8.32], [-8.529999999999973, 8.47], [-8.75, 9.0], [-8.649999999999977, 9.25], [-8.680000000000007, 9.32], [-8.75, 9.35], [-9.0, 9.25]]]]}, "2022-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.75, 9.5], [-8.529999999999973, 10.03], [-8.0, 10.25], [-7.75, 10.15], [-7.5, 10.25], [-7.25, 10.15], [-7.0, 10.25], [-6.75, 10.15], [-6.680000000000007, 10.18], [-6.529999999999973, 10.53], [-6.0, 10.75], [-5.75, 10.65], [-5.5, 10.75], [-4.970000000000027, 10.53], [-4.75, 10.0], [-4.970000000000027, 9.47], [-5.319999999999993, 9.32], [-5.350000000000023, 9.25], [-5.319999999999993, 9.18], [-4.970000000000027, 9.03], [-4.75, 8.5], [-4.970000000000027, 7.97], [-5.5, 7.75], [-5.75, 7.85], [-6.0, 7.75], [-6.300000000000011, 7.88], [-6.470000000000027, 7.47], [-7.0, 7.25], [-7.25, 7.35], [-7.5, 7.25], [-8.029999999999973, 7.47], [-8.25, 8.0], [-8.149999999999977, 8.25], [-8.180000000000007, 8.32], [-8.529999999999973, 8.47], [-8.75, 9.0], [-8.649999999999977, 9.25], [-8.75, 9.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0066164592949463}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4329532153753952}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.312819321044287, 26.32549210665701, 26.46587468711732, 26.373428044578247]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.451881097656212, 27.07575875217873, 27.2623964225142, 27.151206302621972]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2656753868348194, 1.341236164751741, 1.519462277356251, 1.466908840215423]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3230409005595334, 1.8947707169888872, 2.0066164592949463, 1.7197226273660817]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.382673192761244, 1.5087756534333738, 1.6475476970749374, 1.6272190557214157]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4173060313045527, 2.055421821496452, 2.161342234458192, 1.9152559765678288]}}