{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:37:25.341371", "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": "2023-Dec-30_to_2024-Jan-04_358.0_36.0"}, "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": 2023120002103}, "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 30 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 04 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 52765.283990966556}, "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": ["Mediterranean"]}, "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": ["Alboran Sea", "Mediterranean Sea - Western Basin"]}, "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": 36.0}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 354.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.25, 36.0], [-5.03, 36.53], [-4.5, 36.75], [-4.25, 36.65], [-4.0, 36.75], [-3.75, 36.65], [-3.5, 36.75], [-3.25, 36.65], [-3.0, 36.75], [-2.75, 36.65], [-2.5, 36.75], [-2.25, 36.65], [-2.0, 36.75], [-1.75, 36.65], [-1.5, 36.75], [-0.97, 36.53], [-0.75, 36.0], [-0.97, 35.47], [-1.32, 35.32], [-1.47, 34.97], [-2.0, 34.75], [-2.25, 34.85], [-2.5, 34.75], [-3.0, 34.96], [-3.5, 34.75], [-3.75, 34.85], [-4.0, 34.75], [-4.53, 34.97], [-4.68, 35.32], [-5.03, 35.47], [-5.25, 36.0]]]]}, "2023-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 36.53], [-4.5, 36.75], [-4.25, 36.65], [-4.0, 36.75], [-3.75, 36.65], [-3.5, 36.75], [-3.25, 36.65], [-3.0, 36.75], [-2.75, 36.65], [-2.5, 36.75], [-2.25, 36.65], [-2.0, 36.75], [-1.75, 36.65], [-1.5, 36.75], [-1.25, 36.65], [-1.0, 36.75], [-0.47, 36.53], [-0.25, 36.0], [-0.47, 35.47], [-0.82, 35.32], [-0.97, 34.97], [-1.5, 34.75], [-1.75, 34.85], [-2.0, 34.75], [-2.25, 34.85], [-2.5, 34.75], [-3.0, 34.96], [-3.5, 34.75], [-3.75, 34.85], [-4.0, 34.75], [-4.25, 34.85], [-4.5, 34.75], [-5.03, 34.97], [-5.25, 35.5], [-5.15, 35.75], [-5.25, 36.0], [-5.03, 36.53]]]]}, "2024-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 36.03], [-5.18, 36.18], [-5.03, 36.53], [-4.5, 36.75], [-4.25, 36.65], [-4.0, 36.75], [-3.75, 36.65], [-3.5, 36.75], [-3.25, 36.65], [-3.0, 36.75], [-2.75, 36.65], [-2.5, 36.75], [-2.25, 36.65], [-2.0, 36.75], [-1.75, 36.65], [-1.5, 36.75], [-1.25, 36.65], [-1.0, 36.75], [-0.47, 36.53], [-0.25, 36.0], [-0.47, 35.47], [-0.82, 35.32], [-0.97, 34.97], [-1.5, 34.75], [-1.75, 34.85], [-2.0, 34.75], [-2.25, 34.85], [-2.5, 34.75], [-2.93, 34.93], [-2.75, 34.5], [-2.97, 33.97], [-3.5, 33.75], [-3.75, 33.85], [-4.0, 33.75], [-4.25, 33.85], [-4.5, 33.75], [-5.03, 33.97], [-5.18, 34.32], [-5.53, 34.47], [-5.75, 35.0], [-5.65, 35.25], [-5.75, 35.5], [-5.53, 36.03]]]]}, "2024-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 36.03], [-5.18, 36.18], [-5.03, 36.53], [-4.5, 36.75], [-4.25, 36.65], [-4.0, 36.75], [-3.47, 36.53], [-3.32, 36.18], [-3.2, 36.12], [-3.03, 36.53], [-2.68, 36.68], [-2.53, 37.03], [-2.0, 37.25], [-1.75, 37.15], [-1.5, 37.25], [-0.97, 37.03], [-0.82, 36.68], [-0.47, 36.53], [-0.25, 36.0], [-0.47, 35.47], [-0.82, 35.32], [-0.97, 34.97], [-1.5, 34.75], [-1.75, 34.85], [-2.0, 34.75], [-2.25, 34.85], [-2.5, 34.75], [-2.93, 34.93], [-2.75, 34.5], [-2.97, 33.97], [-3.5, 33.75], [-3.75, 33.85], [-4.0, 33.75], [-4.25, 33.85], [-4.5, 33.75], [-5.03, 33.97], [-5.18, 34.32], [-5.53, 34.47], [-5.75, 35.0], [-5.65, 35.25], [-5.75, 35.5], [-5.53, 36.03]]]]}, "2024-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 36.03], [-5.18, 36.18], [-5.03, 36.53], [-4.5, 36.75], [-4.25, 36.65], [-4.0, 36.75], [-3.47, 36.53], [-3.32, 36.18], [-3.2, 36.12], [-3.03, 36.53], [-2.68, 36.68], [-2.53, 37.03], [-2.0, 37.25], [-1.75, 37.15], [-1.5, 37.25], [-0.97, 37.03], [-0.82, 36.68], [-0.47, 36.53], [-0.25, 36.0], [-0.47, 35.47], [-0.82, 35.32], [-0.97, 34.97], [-1.5, 34.75], [-1.75, 34.85], [-2.0, 34.75], [-2.25, 34.85], [-2.5, 34.75], [-2.93, 34.93], [-2.75, 34.5], [-2.97, 33.97], [-3.5, 33.75], [-3.75, 33.85], [-4.0, 33.75], [-4.25, 33.85], [-4.5, 33.75], [-5.03, 33.97], [-5.18, 34.32], [-5.53, 34.47], [-5.75, 35.0], [-5.65, 35.25], [-5.75, 35.5], [-5.53, 36.03]]]]}, "2024-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 36.03], [-5.18, 36.18], [-5.03, 36.53], [-4.5, 36.75], [-4.25, 36.65], [-4.0, 36.75], [-3.47, 36.53], [-3.32, 36.18], [-3.2, 36.12], [-3.03, 36.53], [-2.68, 36.68], [-2.53, 37.03], [-2.0, 37.25], [-1.75, 37.15], [-1.5, 37.25], [-0.97, 37.03], [-0.82, 36.68], [-0.47, 36.53], [-0.25, 36.0], [-0.47, 35.47], [-0.82, 35.32], [-0.97, 34.97], [-1.5, 34.75], [-1.75, 34.85], [-2.0, 34.75], [-2.25, 34.85], [-2.5, 34.75], [-2.93, 34.93], [-2.75, 34.5], [-2.97, 33.97], [-3.5, 33.75], [-3.75, 33.85], [-4.0, 33.75], [-4.25, 33.85], [-4.5, 33.75], [-5.03, 33.97], [-5.18, 34.32], [-5.53, 34.47], [-5.75, 35.0], [-5.65, 35.25], [-5.75, 35.5], [-5.53, 36.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.820440133959153}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4018885890276205}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.546250630249176, 16.596910379891767, 15.946624661671422, 15.791841264647758, 16.68372841411275, 16.285802720373454]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.842417686930787, 16.972633651822207, 17.71101399064969, 17.188833817383, 17.83340102879083, 17.764066465054498]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5900291335283792, 1.6800307979699036, 2.3479496463357052, 2.264063304837018, 3.190222364064515, 2.8072381506258592]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8619921599518534, 2.02894924488686, 3.622547764506237, 4.319109915755007, 5.820440133959153, 4.781508655704101]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.418662399523483, 1.475819577789294, 1.7211987555371717, 1.6031570521768999, 2.2697053100645843, 1.9699906041519863]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6364478971286298, 1.8235726134841117, 2.0851455502015916, 1.9468438253244758, 2.633190973475681, 2.4942002760802895]}}