{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:42.073632", "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-Aug-13_to_2015-Aug-15_355.5_21.5"}, "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": 2015080002084}, "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 13 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2015"}, "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": 74292.3119648018}, "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", "Mauritania"]}, "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": 21.5}, "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": 355.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "355.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 352.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 356.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.53, 22.03], [-7.0, 22.25], [-6.75, 22.15], [-6.68, 22.18], [-6.65, 22.25], [-6.75, 22.5], [-6.65, 22.75], [-6.75, 23.0], [-6.53, 23.53], [-6.18, 23.68], [-6.03, 24.03], [-5.68, 24.18], [-5.65, 24.25], [-5.75, 24.5], [-5.53, 25.03], [-5.0, 25.25], [-4.47, 25.03], [-4.25, 24.5], [-4.35, 24.25], [-4.32, 24.18], [-3.97, 24.03], [-3.82, 23.68], [-3.47, 23.53], [-3.25, 23.0], [-3.37, 22.7], [-2.97, 22.53], [-2.75, 22.0], [-2.97, 21.47], [-3.32, 21.32], [-3.47, 20.97], [-4.0, 20.75], [-4.25, 20.85], [-4.5, 20.75], [-4.75, 20.85], [-5.0, 20.75], [-5.3, 20.88], [-5.47, 20.47], [-6.0, 20.25], [-6.5, 20.46], [-7.0, 20.25], [-7.53, 20.47], [-7.75, 21.0], [-7.65, 21.25], [-7.75, 21.5], [-7.53, 22.03]]]]}, "2015-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.53, 22.03], [-7.0, 22.25], [-6.75, 22.15], [-6.68, 22.18], [-6.65, 22.25], [-6.75, 22.5], [-6.65, 22.75], [-6.75, 23.0], [-6.53, 23.53], [-6.18, 23.68], [-6.03, 24.03], [-5.68, 24.18], [-5.65, 24.25], [-5.75, 24.5], [-5.53, 25.03], [-5.0, 25.25], [-4.47, 25.03], [-4.25, 24.5], [-4.35, 24.25], [-4.32, 24.18], [-3.97, 24.03], [-3.82, 23.68], [-3.47, 23.53], [-3.25, 23.0], [-3.37, 22.7], [-2.97, 22.53], [-2.75, 22.0], [-2.97, 21.47], [-3.32, 21.32], [-3.47, 20.97], [-4.0, 20.75], [-4.25, 20.85], [-4.5, 20.75], [-4.75, 20.85], [-5.0, 20.75], [-5.3, 20.88], [-5.47, 20.47], [-6.0, 20.25], [-6.5, 20.46], [-7.0, 20.25], [-7.53, 20.47], [-7.75, 21.0], [-7.65, 21.25], [-7.75, 21.5], [-7.53, 22.03]]]]}, "2015-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.53, 22.03], [-7.0, 22.25], [-6.75, 22.15], [-6.68, 22.18], [-6.65, 22.25], [-6.75, 22.5], [-6.65, 22.75], [-6.75, 23.0], [-6.53, 23.53], [-6.18, 23.68], [-6.03, 24.03], [-5.68, 24.18], [-5.65, 24.25], [-5.75, 24.5], [-5.53, 25.03], [-5.0, 25.25], [-4.47, 25.03], [-4.25, 24.5], [-4.35, 24.25], [-4.32, 24.18], [-3.97, 24.03], [-3.82, 23.68], [-3.47, 23.53], [-3.25, 23.0], [-3.37, 22.7], [-2.97, 22.53], [-2.75, 22.0], [-2.97, 21.47], [-3.32, 21.32], [-3.47, 20.97], [-4.0, 20.75], [-4.25, 20.85], [-4.5, 20.75], [-4.75, 20.85], [-5.0, 20.75], [-5.3, 20.88], [-5.47, 20.47], [-6.0, 20.25], [-6.5, 20.46], [-7.0, 20.25], [-7.53, 20.47], [-7.75, 21.0], [-7.65, 21.25], [-7.75, 21.5], [-7.53, 22.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6727183055162413}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.312586099029883}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [39.31996522596552, 39.82235076384359, 39.210597189283874]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [40.163468506249274, 40.617597844446266, 40.28351894233896]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.292253509622102, 2.6517612331618285, 1.993743554305719]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.057505749009067, 3.6727183055162413, 2.669943698927625]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4003453947496223, 1.7149774613554893, 1.3372976030652277]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9291264863215398, 2.1942401475764575, 1.5399672336211996]}}