{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:03.548851", "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-May-07_to_2022-May-11_344.5_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": 2022050001721}, "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": "May 07 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 11 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 67673.19282307275}, "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": 344.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "344.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 342.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 348.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.5, 30.25], [-10.97, 30.03], [-10.75, 29.5], [-10.97, 28.97], [-11.5, 28.75], [-12.03, 28.97], [-12.25, 29.5], [-12.03, 30.03], [-11.5, 30.25]]]]}, "2022-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.53, 28.53], [-17.0, 28.75], [-16.75, 28.65], [-16.5, 28.75], [-15.97, 28.53], [-15.8, 28.12], [-15.5, 28.25], [-15.2, 28.12], [-15.03, 28.53], [-14.5, 28.75], [-13.97, 28.53], [-13.75, 28.0], [-13.97, 27.47], [-14.5, 27.25], [-14.8, 27.38], [-14.97, 26.97], [-15.5, 26.75], [-16.0, 26.96], [-16.5, 26.75], [-17.03, 26.97], [-17.18, 27.32], [-17.53, 27.47], [-17.75, 28.0], [-17.53, 28.53]]], [[[-12.03, 28.97], [-12.25, 29.5], [-12.03, 30.03], [-11.5, 30.25], [-10.97, 30.03], [-10.75, 29.5], [-10.97, 28.97], [-11.5, 28.75], [-12.03, 28.97]]]]}, "2022-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.75, 28.0], [-17.53, 28.53], [-17.18, 28.68], [-17.03, 29.03], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.68, 28.68], [-15.53, 29.03], [-15.18, 29.18], [-15.15, 29.25], [-15.25, 29.5], [-15.03, 30.03], [-14.68, 30.18], [-14.53, 30.53], [-14.0, 30.75], [-13.75, 30.65], [-13.5, 30.75], [-13.25, 30.65], [-13.0, 30.75], [-12.47, 30.53], [-12.32, 30.18], [-12.25, 30.15], [-12.0, 30.25], [-11.75, 30.15], [-11.5, 30.25], [-10.97, 30.03], [-10.75, 29.5], [-10.97, 28.97], [-11.32, 28.82], [-11.47, 28.47], [-12.0, 28.25], [-12.25, 28.35], [-12.5, 28.25], [-12.75, 28.35], [-13.0, 28.25], [-13.3, 28.38], [-13.47, 27.97], [-13.82, 27.82], [-13.97, 27.47], [-14.5, 27.25], [-14.8, 27.38], [-14.97, 26.97], [-15.5, 26.75], [-16.0, 26.96], [-16.5, 26.75], [-17.03, 26.97], [-17.18, 27.32], [-17.53, 27.47], [-17.75, 28.0]]]]}, "2022-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.75, 28.0], [-17.53, 28.53], [-17.18, 28.68], [-17.03, 29.03], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.68, 28.68], [-15.53, 29.03], [-15.18, 29.18], [-15.15, 29.25], [-15.25, 29.5], [-15.03, 30.03], [-14.68, 30.18], [-14.53, 30.53], [-14.0, 30.75], [-13.75, 30.65], [-13.5, 30.75], [-13.25, 30.65], [-13.0, 30.75], [-12.47, 30.53], [-12.32, 30.18], [-12.25, 30.15], [-12.0, 30.25], [-11.75, 30.15], [-11.5, 30.25], [-10.97, 30.03], [-10.75, 29.5], [-10.97, 28.97], [-11.32, 28.82], [-11.47, 28.47], [-12.0, 28.25], [-12.25, 28.35], [-12.5, 28.25], [-12.75, 28.35], [-13.0, 28.25], [-13.3, 28.38], [-13.47, 27.97], [-13.82, 27.82], [-13.97, 27.47], [-14.5, 27.25], [-14.8, 27.38], [-14.97, 26.97], [-15.5, 26.75], [-16.0, 26.96], [-16.5, 26.75], [-17.03, 26.97], [-17.18, 27.32], [-17.53, 27.47], [-17.75, 28.0]]]]}, "2022-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.25, 28.5], [-17.03, 29.03], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.68, 28.68], [-15.53, 29.03], [-15.18, 29.18], [-15.15, 29.25], [-15.25, 29.5], [-15.03, 30.03], [-14.68, 30.18], [-14.53, 30.53], [-14.0, 30.75], [-13.75, 30.65], [-13.5, 30.75], [-13.25, 30.65], [-13.0, 30.75], [-12.47, 30.53], [-12.32, 30.18], [-12.25, 30.15], [-12.0, 30.25], [-11.75, 30.15], [-11.5, 30.25], [-10.97, 30.03], [-10.75, 29.5], [-10.97, 28.97], [-11.32, 28.82], [-11.47, 28.47], [-12.0, 28.25], [-12.25, 28.35], [-12.5, 28.25], [-12.75, 28.35], [-13.0, 28.25], [-13.3, 28.38], [-13.47, 27.97], [-13.82, 27.82], [-13.97, 27.47], [-14.5, 27.25], [-15.0, 27.46], [-15.5, 27.25], [-15.75, 27.35], [-16.0, 27.25], [-16.53, 27.47], [-16.68, 27.82], [-17.03, 27.97], [-17.25, 28.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.690723036581062}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8022239132488147}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.561987884621487, 20.276659422096202, 20.07455277475958, 20.479070253346777, 20.28485693376348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.561987884621487, 20.564509516807846, 22.25835335785615, 23.929704726387286, 24.182022069872687]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2678657980046637, 1.6534530902724878, 1.6525599769678707, 1.9973415233585956, 1.8160639707431572]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2678657980046637, 2.637305968534065, 3.6852681517928545, 6.690723036581062, 4.958226298689738]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.316240832983293, 1.4927023758038944, 1.5729989149669914, 1.7977113381443428, 1.7193742313230516]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.316240832983293, 1.6798068210366324, 2.2385620750799875, 3.8921397594918847, 3.393890186282581]}}