{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:04.103816", "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": "2024-Dec-07_to_2024-Dec-11_358.5_29.0"}, "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": 2024120001273}, "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": "December 07 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 11 2024"}, "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": 62255.65821991879}, "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": ["Algeria"]}, "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": 29.0}, "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": 358.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.75}, "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": {"2024-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.0, 30.75], [-2.47, 30.53], [-2.25, 30.0], [-2.47, 29.47], [-3.0, 29.25], [-3.53, 29.47], [-3.75, 30.0], [-3.53, 30.53], [-3.0, 30.75]]]]}, "2024-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.03, 30.03], [-3.68, 30.18], [-3.53, 30.53], [-3.0, 30.75], [-2.47, 30.53], [-2.32, 30.18], [-2.25, 30.15], [-2.0, 30.25], [-1.75, 30.15], [-1.5, 30.25], [-1.25, 30.15], [-1.0, 30.25], [-0.47, 30.03], [-0.32, 29.68], [0.03, 29.53], [0.25, 29.0], [0.03, 28.47], [-0.5, 28.25], [-0.75, 28.35], [-0.82, 28.32], [-0.97, 27.97], [-1.5, 27.75], [-1.75, 27.85], [-2.0, 27.75], [-2.25, 27.85], [-2.5, 27.75], [-3.03, 27.97], [-3.18, 28.32], [-3.25, 28.35], [-3.5, 28.25], [-4.03, 28.47], [-4.25, 29.0], [-4.15, 29.25], [-4.25, 29.5], [-4.03, 30.03]]]]}, "2024-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.03, 30.03], [-3.68, 30.18], [-3.53, 30.53], [-3.0, 30.75], [-2.47, 30.53], [-2.32, 30.18], [-2.25, 30.15], [-2.0, 30.25], [-1.75, 30.15], [-1.5, 30.25], [-1.25, 30.15], [-1.0, 30.25], [-0.47, 30.03], [-0.32, 29.68], [0.03, 29.53], [0.25, 29.0], [0.15, 28.75], [0.25, 28.5], [0.03, 27.97], [-0.5, 27.75], [-0.75, 27.85], [-0.82, 27.82], [-0.97, 27.47], [-1.5, 27.25], [-1.75, 27.35], [-2.0, 27.25], [-2.25, 27.35], [-2.32, 27.32], [-2.47, 26.97], [-3.0, 26.75], [-3.53, 26.97], [-3.75, 27.5], [-3.53, 28.03], [-3.18, 28.18], [-3.15, 28.25], [-3.18, 28.32], [-3.25, 28.35], [-3.5, 28.25], [-4.03, 28.47], [-4.25, 29.0], [-4.15, 29.25], [-4.25, 29.5], [-4.03, 30.03]]]]}, "2024-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.03, 30.03], [-3.5, 30.25], [-3.25, 30.15], [-3.0, 30.25], [-2.75, 30.15], [-2.5, 30.25], [-2.25, 30.15], [-2.0, 30.25], [-1.75, 30.15], [-1.5, 30.25], [-1.25, 30.15], [-1.0, 30.25], [-0.47, 30.03], [-0.32, 29.68], [0.03, 29.53], [0.25, 29.0], [0.15, 28.75], [0.25, 28.5], [0.03, 27.97], [-0.5, 27.75], [-0.75, 27.85], [-0.82, 27.82], [-0.97, 27.47], [-1.5, 27.25], [-1.75, 27.35], [-2.0, 27.25], [-2.25, 27.35], [-2.32, 27.32], [-2.47, 26.97], [-3.0, 26.75], [-3.53, 26.97], [-3.75, 27.5], [-3.53, 28.03], [-3.18, 28.18], [-3.15, 28.25], [-3.18, 28.32], [-3.25, 28.35], [-3.5, 28.25], [-4.03, 28.47], [-4.25, 29.0], [-4.15, 29.25], [-4.25, 29.5], [-4.03, 30.03]]]]}, "2024-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.25, 28.5], [-3.03, 29.03], [-2.68, 29.18], [-2.65, 29.25], [-2.75, 29.5], [-2.53, 30.03], [-2.0, 30.25], [-1.75, 30.15], [-1.5, 30.25], [-1.25, 30.15], [-1.0, 30.25], [-0.47, 30.03], [-0.32, 29.68], [0.03, 29.53], [0.25, 29.0], [0.15, 28.75], [0.25, 28.5], [0.03, 27.97], [-0.5, 27.75], [-0.75, 27.85], [-0.82, 27.82], [-0.97, 27.47], [-1.5, 27.25], [-1.75, 27.35], [-2.0, 27.25], [-2.25, 27.35], [-2.32, 27.32], [-2.47, 26.97], [-3.0, 26.75], [-3.53, 26.97], [-3.75, 27.5], [-3.53, 28.03], [-3.18, 28.18], [-3.15, 28.25], [-3.25, 28.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.786398133533396}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6857522314203113}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.579859670003259, 16.50691368252626, 16.266214044543347, 16.72064361572268, 17.575709279378316]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.579859670003259, 17.605728403727255, 16.748766835530603, 19.32550201416018, 19.261052703857445]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8228215235552625, 3.578494804130173, 3.2135211042238314, 3.672466607413048, 4.550746395512576]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8228215235552625, 4.793872882539858, 4.082512550109925, 5.707829953551993, 5.786398133533396]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3303576131052548, 1.7466159389917377, 1.5528798523777854, 1.7481947240767033, 2.138138514478896]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3303576131052548, 2.2578990135500088, 1.9878483404457004, 2.5502271824215454, 2.684323801411139]}}