{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:06.361237", "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-Aug-06_to_2022-Aug-09_345.0_22.5"}, "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": 2022080001744}, "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 06 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2022"}, "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": 65793.8510646277}, "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": ["Mauritania", "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": 22.5}, "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": 345.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "345.0\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": 349.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 23.53], [-11.5, 23.75], [-10.97, 23.53], [-10.75, 23.0], [-10.85, 22.75], [-10.75, 22.5], [-10.97, 21.97], [-11.5, 21.75], [-12.03, 21.97], [-12.25, 22.5], [-12.15, 22.75], [-12.25, 23.0], [-12.03, 23.53]]]]}, "2022-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.65, 22.75], [-15.75, 23.0], [-15.53, 23.53], [-15.0, 23.75], [-14.75, 23.65], [-14.5, 23.75], [-14.25, 23.65], [-14.0, 23.75], [-13.47, 23.53], [-13.32, 23.18], [-13.25, 23.15], [-13.0, 23.25], [-12.75, 23.15], [-12.5, 23.25], [-12.2, 23.12], [-12.03, 23.53], [-11.5, 23.75], [-10.97, 23.53], [-10.75, 23.0], [-10.85, 22.75], [-10.82, 22.68], [-10.47, 22.53], [-10.25, 22.0], [-10.47, 21.47], [-10.82, 21.32], [-10.97, 20.97], [-11.5, 20.75], [-11.75, 20.85], [-12.0, 20.75], [-12.25, 20.85], [-12.5, 20.75], [-13.03, 20.97], [-13.18, 21.32], [-13.25, 21.35], [-13.5, 21.25], [-13.75, 21.35], [-14.0, 21.25], [-14.25, 21.35], [-14.5, 21.25], [-14.75, 21.35], [-15.0, 21.25], [-15.53, 21.47], [-15.75, 22.0], [-15.65, 22.25], [-15.75, 22.5], [-15.65, 22.75]]]]}, "2022-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.65, 22.75], [-15.75, 23.0], [-15.53, 23.53], [-15.0, 23.75], [-14.75, 23.65], [-14.5, 23.75], [-14.25, 23.65], [-14.0, 23.75], [-13.47, 23.53], [-13.32, 23.18], [-13.25, 23.15], [-13.0, 23.25], [-12.75, 23.15], [-12.5, 23.25], [-12.2, 23.12], [-12.03, 23.53], [-11.5, 23.75], [-10.97, 23.53], [-10.75, 23.0], [-10.85, 22.75], [-10.82, 22.68], [-10.47, 22.53], [-10.25, 22.0], [-10.47, 21.47], [-10.82, 21.32], [-10.97, 20.97], [-11.5, 20.75], [-11.75, 20.85], [-12.0, 20.75], [-12.25, 20.85], [-12.5, 20.75], [-13.03, 20.97], [-13.18, 21.32], [-13.25, 21.35], [-13.5, 21.25], [-13.75, 21.35], [-14.0, 21.25], [-14.25, 21.35], [-14.5, 21.25], [-14.75, 21.35], [-15.0, 21.25], [-15.53, 21.47], [-15.75, 22.0], [-15.65, 22.25], [-15.75, 22.5], [-15.65, 22.75]]]]}, "2022-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.65, 22.75], [-15.75, 23.0], [-15.53, 23.53], [-15.0, 23.75], [-14.75, 23.65], [-14.5, 23.75], [-14.25, 23.65], [-14.0, 23.75], [-13.47, 23.53], [-13.32, 23.18], [-13.25, 23.15], [-13.0, 23.25], [-12.75, 23.15], [-12.5, 23.25], [-11.97, 23.03], [-11.82, 22.68], [-11.75, 22.65], [-11.5, 22.75], [-11.25, 22.65], [-11.0, 22.75], [-10.47, 22.53], [-10.25, 22.0], [-10.47, 21.47], [-10.82, 21.32], [-10.97, 20.97], [-11.5, 20.75], [-11.75, 20.85], [-12.0, 20.75], [-12.25, 20.85], [-12.5, 20.75], [-13.03, 20.97], [-13.18, 21.32], [-13.25, 21.35], [-13.5, 21.25], [-13.75, 21.35], [-14.0, 21.25], [-14.25, 21.35], [-14.5, 21.25], [-14.75, 21.35], [-15.0, 21.25], [-15.53, 21.47], [-15.75, 22.0], [-15.65, 22.25], [-15.75, 22.5], [-15.65, 22.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.227571399628857}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.7467784766842267}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.4666090694958, 37.41030304823755, 37.710670790725885, 36.920751616509676]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.7322451470954, 38.94038006696371, 38.77625670789371, 38.038452919765064]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7528127757849745, 3.8454416805406915, 4.106530373411782, 3.339368195177848]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9380814941052904, 5.189661352763721, 7.227571399628857, 5.195503710762239]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1017524228602933, 1.7252541403530972, 1.8494364160057817, 1.542226964646303]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1094810880083414, 2.1579740727891568, 2.754371263495574, 2.111061941914198]}}