{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:07.020144", "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-Jan-24_to_2021-Jan-26_19.5_32.0"}, "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": 2021010002428}, "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": "January 24 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 26 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 89076.85324230947}, "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": ["Libya"]}, "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": ["Mediterranean Sea - Eastern 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": 32.0}, "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": 19.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.75, 32.0], [14.97, 32.53], [15.5, 32.75], [15.75, 32.65], [16.0, 32.75], [16.25, 32.65], [16.32, 32.68], [16.47, 33.03], [17.0, 33.25], [17.25, 33.15], [17.5, 33.25], [17.75, 33.15], [18.0, 33.25], [18.25, 33.15], [18.32, 33.18], [18.47, 33.53], [19.0, 33.75], [19.25, 33.65], [19.32, 33.68], [19.47, 34.03], [20.0, 34.25], [20.25, 34.15], [20.5, 34.25], [20.75, 34.15], [21.0, 34.25], [21.53, 34.03], [21.75, 33.5], [21.53, 32.97], [21.0, 32.75], [20.75, 32.85], [20.68, 32.82], [20.53, 32.47], [20.18, 32.32], [20.15, 32.25], [20.25, 32.0], [20.15, 31.75], [20.25, 31.5], [20.03, 30.97], [19.5, 30.75], [19.25, 30.85], [19.18, 30.82], [19.03, 30.47], [18.5, 30.25], [18.25, 30.35], [18.0, 30.25], [17.75, 30.35], [17.5, 30.25], [17.25, 30.35], [17.0, 30.25], [16.75, 30.35], [16.5, 30.25], [15.97, 30.47], [15.82, 30.82], [15.47, 30.97], [15.32, 31.32], [14.97, 31.47], [14.75, 32.0]]]]}, "2021-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.75, 32.0], [14.97, 32.53], [15.5, 32.75], [15.75, 32.65], [16.0, 32.75], [16.25, 32.65], [16.32, 32.68], [16.47, 33.03], [17.0, 33.25], [17.25, 33.15], [17.5, 33.25], [17.75, 33.15], [18.0, 33.25], [18.25, 33.15], [18.32, 33.18], [18.47, 33.53], [19.0, 33.75], [19.25, 33.65], [19.32, 33.68], [19.47, 34.03], [20.0, 34.25], [20.25, 34.15], [20.5, 34.25], [20.75, 34.15], [21.0, 34.25], [21.53, 34.03], [21.75, 33.5], [21.53, 32.97], [21.0, 32.75], [20.75, 32.85], [20.68, 32.82], [20.53, 32.47], [20.18, 32.32], [20.15, 32.25], [20.25, 32.0], [20.15, 31.75], [20.25, 31.5], [20.03, 30.97], [19.5, 30.75], [19.25, 30.85], [19.18, 30.82], [19.03, 30.47], [18.5, 30.25], [18.25, 30.35], [18.0, 30.25], [17.75, 30.35], [17.5, 30.25], [17.25, 30.35], [17.0, 30.25], [16.75, 30.35], [16.5, 30.25], [15.97, 30.47], [15.82, 30.82], [15.47, 30.97], [15.32, 31.32], [14.97, 31.47], [14.75, 32.0]]]]}, "2021-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.75, 32.0], [14.97, 32.53], [15.5, 32.75], [15.75, 32.65], [16.0, 32.75], [16.25, 32.65], [16.32, 32.68], 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"Mean t2m anomaly over entire duration", "value": 2.1109212712923426}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.054860949039096, 17.501615644721937, 17.25811920981181]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.66124205282216, 18.156103559150836, 17.855248692337227]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8930153851817542, 2.335030021644032, 2.1047184070512412]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.681337412446453, 3.0456516862213334, 4.042164892140875]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4445140501257436, 1.7435545537400117, 1.511925275474532]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7526572268565799, 2.101420717906113, 1.8908249066218066]}}