{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:31.517080", "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": "2015-Jul-17_to_2015-Jul-20_353.0_8.0"}, "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": 2015070002465}, "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 17 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2015"}, "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": 100861.6399846426}, "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"]}, "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": 8.0}, "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": 353.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 355.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 9.0], [-9.53, 9.53], [-9.0, 9.75], [-8.7, 9.62], [-8.53, 10.03], [-8.0, 10.25], [-7.75, 10.15], [-7.68, 10.18], [-7.53, 10.53], [-7.0, 10.75], [-6.47, 10.53], [-6.32, 10.18], [-6.25, 10.15], [-6.0, 10.25], [-5.75, 10.15], [-5.5, 10.25], [-5.25, 10.15], [-5.0, 10.25], [-4.47, 10.03], [-4.25, 9.5], [-4.47, 8.97], [-4.82, 8.82], [-4.97, 8.47], [-5.5, 8.25], [-5.8, 8.38], [-5.96, 8.0], [-5.75, 7.5], [-5.85, 7.25], [-5.75, 7.0], [-5.85, 6.75], [-5.75, 6.5], [-5.97, 5.97], [-6.5, 5.75], [-7.03, 5.97], [-7.18, 6.32], [-7.53, 6.47], [-7.68, 6.82], [-8.03, 6.97], [-8.25, 7.5], [-8.15, 7.75], [-8.18, 7.82], [-8.25, 7.85], [-8.5, 7.75], [-9.03, 7.97], [-9.18, 8.32], [-9.53, 8.47], [-9.75, 9.0]]]]}, "2015-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 9.0], [-9.53, 9.53], [-9.0, 9.75], [-8.75, 9.65], [-8.68, 9.68], [-8.53, 10.03], [-8.0, 10.25], [-7.75, 10.15], [-7.68, 10.18], [-7.53, 10.53], [-7.0, 10.75], [-6.47, 10.53], [-6.32, 10.18], [-6.25, 10.15], [-6.0, 10.25], [-5.75, 10.15], [-5.5, 10.25], [-5.25, 10.15], [-5.0, 10.25], [-4.47, 10.03], [-4.25, 9.5], [-4.47, 8.97], [-4.82, 8.82], [-4.97, 8.47], [-5.32, 8.32], [-5.35, 8.25], [-5.25, 8.0], [-5.35, 7.75], [-5.25, 7.5], [-5.47, 6.97], [-5.82, 6.82], [-5.85, 6.75], [-5.75, 6.5], [-5.97, 5.97], [-6.5, 5.75], [-7.03, 5.97], [-7.18, 6.32], [-7.53, 6.47], [-7.68, 6.82], [-8.03, 6.97], [-8.25, 7.5], [-8.15, 7.75], [-8.18, 7.82], [-8.25, 7.85], [-8.5, 7.75], [-9.03, 7.97], [-9.18, 8.32], [-9.53, 8.47], [-9.75, 9.0]]]]}, "2015-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 9.0], [-9.53, 9.53], [-9.0, 9.75], [-8.75, 9.65], [-8.68, 9.68], [-8.53, 10.03], [-8.0, 10.25], [-7.75, 10.15], [-7.68, 10.18], [-7.53, 10.53], [-7.0, 10.75], [-6.47, 10.53], [-6.32, 10.18], [-6.25, 10.15], [-6.0, 10.25], [-5.75, 10.15], [-5.5, 10.25], [-5.25, 10.15], [-5.0, 10.25], [-4.47, 10.03], [-4.25, 9.5], [-4.47, 8.97], [-4.82, 8.82], [-4.97, 8.47], [-5.32, 8.32], [-5.35, 8.25], [-5.25, 8.0], [-5.35, 7.75], [-5.25, 7.5], [-5.47, 6.97], [-5.82, 6.82], [-5.85, 6.75], [-5.75, 6.5], [-5.97, 5.97], [-6.5, 5.75], [-7.03, 5.97], [-7.18, 6.32], [-7.53, 6.47], [-7.68, 6.82], [-8.03, 6.97], [-8.25, 7.5], [-8.15, 7.75], [-8.18, 7.82], [-8.25, 7.85], [-8.5, 7.75], [-9.03, 7.97], [-9.18, 8.32], [-9.53, 8.47], [-9.75, 9.0]]]]}, "2015-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 9.0], [-9.53, 9.53], [-9.0, 9.75], [-8.75, 9.65], [-8.5, 9.75], [-8.25, 9.65], [-8.0, 9.75], [-7.75, 9.65], [-7.68, 9.68], [-7.53, 10.03], [-7.0, 10.25], [-6.75, 10.15], [-6.5, 10.25], [-6.25, 10.15], [-6.0, 10.25], [-5.75, 10.15], [-5.5, 10.25], [-4.97, 10.03], [-4.75, 9.5], [-4.85, 9.25], [-4.75, 9.0], [-4.97, 8.47], [-5.32, 8.32], [-5.35, 8.25], [-5.25, 8.0], [-5.35, 7.75], [-5.25, 7.5], [-5.47, 6.97], [-6.0, 6.75], [-6.25, 6.85], [-6.5, 6.75], [-6.75, 6.85], [-7.0, 6.75], [-7.25, 6.85], [-7.5, 6.75], [-8.03, 6.97], [-8.25, 7.5], [-8.15, 7.75], [-8.18, 7.82], [-8.25, 7.85], [-8.5, 7.75], [-9.03, 7.97], [-9.18, 8.32], [-9.53, 8.47], [-9.75, 9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4281371637204643}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4957473415261198}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.94156128331258, 26.39033677847931, 26.103568903975088, 25.76879460870782]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.996422702547477, 27.65796018384924, 27.501751119513585, 26.668525146083823]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2509330455446934, 1.8013895293844733, 1.5305297551516883, 1.2990683242402055]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.567621792019679, 2.4281371637204643, 2.2103942305479904, 1.5593859337288904]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.458475531718098, 2.085940452207585, 1.803604618588153, 1.5628791455213324]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7186589221200004, 2.831518249291065, 2.4980902976825994, 1.985470002032964]}}