{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:58.433255", "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": "2021-Oct-17_to_2021-Oct-20_346.0_25.5"}, "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": 2021100001915}, "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 17 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 20 2021"}, "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": 55839.72292183296}, "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": ["Morocco"]}, "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": 25.5}, "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": 346.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 348.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.53, 26.53], [-14.18, 26.68], [-14.03, 27.03], [-13.5, 27.25], [-13.25, 27.15], [-13.0, 27.25], [-12.75, 27.15], [-12.5, 27.25], [-12.25, 27.15], [-12.0, 27.25], [-11.47, 27.03], [-11.25, 26.5], [-11.47, 25.97], [-11.82, 25.82], [-11.97, 25.47], [-12.5, 25.25], [-12.75, 25.35], [-13.0, 25.25], [-13.25, 25.35], [-13.32, 25.32], [-13.47, 24.97], [-14.0, 24.75], [-14.53, 24.97], [-14.75, 25.5], [-14.65, 25.75], [-14.75, 26.0], [-14.53, 26.53]]]]}, "2021-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.75, 24.5], [-15.53, 25.03], [-15.18, 25.18], [-15.15, 25.25], [-15.25, 25.5], [-15.03, 26.03], [-14.68, 26.18], [-14.53, 26.53], [-14.18, 26.68], [-14.03, 27.03], [-13.5, 27.25], [-13.25, 27.15], [-13.0, 27.25], [-12.75, 27.15], [-12.5, 27.25], [-12.25, 27.15], [-12.0, 27.25], [-11.47, 27.03], [-11.25, 26.5], [-11.47, 25.97], [-11.82, 25.82], [-11.97, 25.47], [-12.32, 25.32], [-12.47, 24.97], [-12.87, 24.8], [-12.75, 24.5], [-12.97, 23.97], [-13.32, 23.82], [-13.47, 23.47], [-14.0, 23.25], [-14.25, 23.35], [-14.5, 23.25], [-15.03, 23.47], [-15.18, 23.82], [-15.53, 23.97], [-15.75, 24.5]]]]}, "2021-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.75, 24.5], [-15.53, 25.03], [-15.18, 25.18], [-15.15, 25.25], [-15.25, 25.5], [-15.03, 26.03], [-14.68, 26.18], [-14.53, 26.53], [-14.18, 26.68], [-14.03, 27.03], [-13.5, 27.25], [-13.25, 27.15], [-13.0, 27.25], [-12.75, 27.15], [-12.5, 27.25], [-12.25, 27.15], [-12.0, 27.25], [-11.47, 27.03], [-11.25, 26.5], [-11.47, 25.97], [-11.82, 25.82], [-11.97, 25.47], [-12.32, 25.32], [-12.47, 24.97], [-12.87, 24.8], [-12.75, 24.5], [-12.97, 23.97], [-13.32, 23.82], [-13.47, 23.47], [-14.0, 23.25], [-14.25, 23.35], [-14.5, 23.25], [-15.03, 23.47], [-15.18, 23.82], [-15.53, 23.97], [-15.75, 24.5]]]]}, "2021-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.75, 24.5], [-15.53, 25.03], [-15.18, 25.18], [-15.15, 25.25], [-15.25, 25.5], [-15.03, 26.03], [-14.5, 26.25], [-14.25, 26.15], [-14.0, 26.25], [-13.75, 26.15], [-13.68, 26.18], [-13.53, 26.53], [-13.0, 26.75], [-12.75, 26.65], [-12.68, 26.68], [-12.53, 27.03], [-12.0, 27.25], [-11.47, 27.03], [-11.25, 26.5], [-11.47, 25.97], [-11.82, 25.82], [-11.97, 25.47], [-12.32, 25.32], [-12.47, 24.97], [-12.87, 24.8], [-12.75, 24.5], [-12.97, 23.97], [-13.32, 23.82], [-13.47, 23.47], [-14.0, 23.25], [-14.25, 23.35], [-14.5, 23.25], [-15.03, 23.47], [-15.18, 23.82], [-15.53, 23.97], [-15.75, 24.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.080747996176513}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.398752223897839}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.146575066428284, 28.674147485580534, 29.724525211031278, 28.60603846267435]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.046324210680496, 29.798215705643713, 31.810860499711282, 30.857351758462528]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.22187718892377, 5.222596716560278, 6.333443599532089, 5.093496087153361]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.771288018285077, 5.986107904225548, 8.080747996176513, 6.157913771371341]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6460144966467984, 1.9623126344372959, 2.3319005609285357, 1.7870369947878513]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8408354843144554, 2.3662217822434783, 3.0334807919258355, 2.136818887787709]}}