{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:43.212406", "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": "2018-Jul-28_to_2018-Jul-30_358.0_19.5"}, "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": 2018070003202}, "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 28 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 52835.718646869675}, "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": ["Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 19.5}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 20.03], [-3.0, 20.25], [-2.75, 20.15], [-2.5, 20.25], [-2.25, 20.15], [-2.0, 20.25], [-1.47, 20.03], [-1.25, 19.5], [-1.37, 19.2], [-0.97, 19.03], [-0.82, 18.68], [-0.75, 18.65], [-0.5, 18.75], [0.03, 18.53], [0.25, 18.0], [0.03, 17.47], [-0.32, 17.32], [-0.35, 17.25], [-0.25, 17.0], [-0.47, 16.47], [-1.0, 16.25], [-1.25, 16.35], [-1.5, 16.25], [-2.03, 16.47], [-2.18, 16.82], [-2.53, 16.97], [-2.68, 17.32], [-3.03, 17.47], [-3.25, 18.0], [-3.15, 18.25], [-3.18, 18.32], [-3.53, 18.47], [-3.75, 19.0], [-3.65, 19.25], [-3.75, 19.5], [-3.53, 20.03]]]]}, "2018-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 20.03], [-3.0, 20.25], [-2.75, 20.15], [-2.5, 20.25], [-2.25, 20.15], [-2.0, 20.25], [-1.47, 20.03], [-1.25, 19.5], [-1.37, 19.2], [-0.97, 19.03], [-0.82, 18.68], [-0.75, 18.65], [-0.5, 18.75], [0.03, 18.53], [0.25, 18.0], [0.03, 17.47], [-0.32, 17.32], [-0.35, 17.25], [-0.25, 17.0], [-0.47, 16.47], [-1.0, 16.25], [-1.25, 16.35], [-1.5, 16.25], [-2.03, 16.47], [-2.18, 16.82], [-2.53, 16.97], [-2.68, 17.32], [-3.03, 17.47], [-3.25, 18.0], [-3.15, 18.25], [-3.18, 18.32], [-3.53, 18.47], [-3.75, 19.0], [-3.65, 19.25], [-3.75, 19.5], [-3.53, 20.03]]]]}, "2018-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 20.03], [-3.0, 20.25], [-2.75, 20.15], [-2.5, 20.25], [-2.25, 20.15], [-2.0, 20.25], [-1.47, 20.03], [-1.25, 19.5], [-1.37, 19.2], [-0.97, 19.03], [-0.82, 18.68], [-0.75, 18.65], [-0.5, 18.75], [0.03, 18.53], [0.25, 18.0], [0.03, 17.47], [-0.32, 17.32], [-0.35, 17.25], [-0.25, 17.0], [-0.47, 16.47], [-1.0, 16.25], [-1.25, 16.35], [-1.5, 16.25], [-2.03, 16.47], [-2.18, 16.82], [-2.53, 16.97], [-2.68, 17.32], [-3.03, 17.47], [-3.25, 18.0], [-3.15, 18.25], [-3.18, 18.32], [-3.53, 18.47], [-3.75, 19.0], [-3.65, 19.25], [-3.75, 19.5], [-3.53, 20.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.7035835403139}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.866207921658839}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.03857077370429, 37.002323733612116, 35.930922802512725]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.75216027415837, 39.35270863083929, 37.0655936045481]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.544320953182977, 3.585710178855054, 2.4685926329384875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4594269436415175, 4.7035835403139, 2.8931851505955706]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4400901297498885, 2.0836768779160626, 1.4344229380836517]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.886016825806139, 2.9680501969736945, 1.6199449850461398]}}