{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:41.268055", "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": "2011-Oct-10_to_2011-Oct-12_343.0_28.0"}, "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": 2011100002054}, "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": "October 10 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2011"}, "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": 90862.26112256073}, "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": ["Canarias"]}, "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": ["North Atlantic Ocean"]}, "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": 28.0}, "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": 343.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "343.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 340.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 344.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-19.53, 28.03], [-19.18, 28.18], [-19.03, 28.53], [-18.68, 28.68], [-18.53, 29.03], [-18.0, 29.25], [-17.5, 29.04], [-17.0, 29.25], [-16.75, 29.15], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.75, 28.0], [-14.85, 27.75], [-14.75, 27.5], [-14.85, 27.25], [-14.75, 27.0], [-14.97, 26.47], [-15.32, 26.32], [-15.47, 25.97], [-15.82, 25.82], [-15.97, 25.47], [-16.32, 25.32], [-16.47, 24.97], [-17.0, 24.75], [-17.25, 24.85], [-17.32, 24.82], [-17.47, 24.47], [-18.0, 24.25], [-18.53, 24.47], [-18.68, 24.82], [-19.03, 24.97], [-19.25, 25.5], [-19.03, 26.03], [-18.68, 26.18], [-18.57, 26.43], [-19.0, 26.25], [-19.53, 26.47], [-19.75, 27.0], [-19.65, 27.25], [-19.75, 27.5], [-19.53, 28.03]], [[-18.12, 26.7], [-18.18, 26.82], [-18.25, 26.85], [-18.32, 26.82], [-18.43, 26.57], [-18.12, 26.7]]]]}, "2011-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-19.53, 28.03], [-19.18, 28.18], [-19.03, 28.53], [-18.68, 28.68], [-18.53, 29.03], [-18.0, 29.25], [-17.5, 29.04], [-17.0, 29.25], [-16.75, 29.15], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.75, 28.0], [-14.85, 27.75], [-14.75, 27.5], [-14.85, 27.25], [-14.75, 27.0], [-14.97, 26.47], [-15.32, 26.32], [-15.47, 25.97], [-15.82, 25.82], [-15.97, 25.47], [-16.32, 25.32], [-16.47, 24.97], [-17.0, 24.75], [-17.25, 24.85], [-17.32, 24.82], [-17.47, 24.47], [-18.0, 24.25], [-18.53, 24.47], [-18.68, 24.82], [-19.03, 24.97], [-19.25, 25.5], [-19.03, 26.03], [-18.68, 26.18], [-18.57, 26.43], [-19.0, 26.25], [-19.53, 26.47], [-19.75, 27.0], [-19.65, 27.25], [-19.75, 27.5], [-19.53, 28.03]], [[-18.12, 26.7], [-18.18, 26.82], [-18.25, 26.85], [-18.32, 26.82], [-18.43, 26.57], [-18.12, 26.7]]]]}, "2011-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-19.53, 28.03], [-19.18, 28.18], [-19.03, 28.53], [-18.68, 28.68], [-18.53, 29.03], [-18.0, 29.25], [-17.5, 29.04], [-17.0, 29.25], [-16.75, 29.15], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.75, 28.0], [-14.85, 27.75], [-14.75, 27.5], [-14.85, 27.25], [-14.75, 27.0], [-14.97, 26.47], [-15.32, 26.32], [-15.47, 25.97], [-15.82, 25.82], [-15.97, 25.47], [-16.32, 25.32], [-16.47, 24.97], [-17.0, 24.75], [-17.25, 24.85], [-17.32, 24.82], [-17.47, 24.47], [-18.0, 24.25], [-18.53, 24.47], [-18.68, 24.82], [-19.03, 24.97], [-19.25, 25.5], [-19.03, 26.03], [-18.68, 26.18], [-18.57, 26.43], [-19.0, 26.25], [-19.53, 26.47], [-19.75, 27.0], [-19.65, 27.25], [-19.75, 27.5], [-19.53, 28.03]], [[-18.12, 26.7], [-18.18, 26.82], [-18.25, 26.85], [-18.32, 26.82], [-18.43, 26.57], [-18.12, 26.7]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.697419799304896}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6889284980681223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.987328095658086, 24.768275199685206, 24.25527714952426]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.736559251078802, 25.436794779986656, 25.270249510692167]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3294410492159607, 2.115834717350367, 1.6215097276380388]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0421170287991686, 3.697419799304896, 3.1755191984092903]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.602952569962077, 2.6225043594897754, 1.9829019426057073]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2383022918627637, 2.994113974432311, 2.7725829343442996]}}