{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:25:17.683698", "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-Apr-03_to_2021-Apr-05_18.5_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": 2021040001580}, "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": "April 03 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 05 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": 86625.9914944649}, "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": 18.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.25}, "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": {"2021-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.32, 31.68], [15.35, 31.75], [15.25, 32.0], [15.47, 32.53], [15.82, 32.68], [15.97, 33.03], [16.5, 33.25], [16.75, 33.15], [16.82, 33.18], [16.97, 33.53], [17.32, 33.68], [17.47, 34.03], [18.0, 34.25], [18.25, 34.15], [18.5, 34.25], [19.03, 34.03], [19.25, 33.5], [19.15, 33.25], [19.25, 33.0], [19.15, 32.75], [19.18, 32.68], [19.53, 32.53], [19.75, 32.0], [19.65, 31.75], [19.75, 31.5], [19.65, 31.25], [19.75, 31.0], [19.53, 30.47], [19.0, 30.25], [18.75, 30.35], [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], [16.25, 30.35], [16.0, 30.25], [15.75, 30.35], [15.68, 30.32], [15.53, 29.97], [15.0, 29.75], [14.47, 29.97], [14.25, 30.5], [14.47, 31.03], [14.82, 31.18], [14.97, 31.53], [15.32, 31.68]]]]}, "2021-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.32, 31.68], [15.35, 31.75], [15.25, 32.0], [15.47, 32.53], [15.82, 32.68], [15.97, 33.03], [16.5, 33.25], [16.75, 33.15], [16.82, 33.18], [16.97, 33.53], [17.32, 33.68], [17.47, 34.03], [18.0, 34.25], [18.25, 34.15], [18.5, 34.25], [19.03, 34.03], [19.25, 33.5], [19.15, 33.25], [19.25, 33.0], [19.15, 32.75], [19.18, 32.68], [19.53, 32.53], [19.75, 32.0], [19.65, 31.75], [19.75, 31.5], [19.65, 31.25], [19.75, 31.0], [19.53, 30.47], [19.0, 30.25], [18.75, 30.35], [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], [16.25, 30.35], [16.0, 30.25], [15.75, 30.35], [15.68, 30.32], [15.53, 29.97], [15.0, 29.75], [14.47, 29.97], [14.25, 30.5], [14.47, 31.03], [14.82, 31.18], [14.97, 31.53], [15.32, 31.68]]]]}, "2021-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.32, 31.68], [15.35, 31.75], [15.25, 32.0], [15.47, 32.53], [15.82, 32.68], [15.97, 33.03], [16.5, 33.25], [16.75, 33.15], [16.82, 33.18], [16.97, 33.53], [17.32, 33.68], [17.47, 34.03], [18.0, 34.25], [18.25, 34.15], [18.5, 34.25], [19.03, 34.03], [19.25, 33.5], [19.15, 33.25], [19.25, 33.0], [19.15, 32.75], [19.18, 32.68], [19.53, 32.53], [19.75, 32.0], [19.65, 31.75], [19.75, 31.5], [19.65, 31.25], [19.75, 31.0], [19.53, 30.47], [19.0, 30.25], [18.75, 30.35], [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], [16.25, 30.35], [16.0, 30.25], [15.75, 30.35], [15.68, 30.32], [15.53, 29.97], [15.0, 29.75], [14.47, 29.97], [14.25, 30.5], [14.47, 31.03], [14.82, 31.18], [14.97, 31.53], [15.32, 31.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.359235823279107}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.171342626337537}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.32511514589163, 22.232885366443725, 21.321146674049885]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.1581784851532, 27.863076128660452, 26.830717297845183]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.2679706764181393, 5.121120367348708, 4.124936835245762]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.364275975422686, 9.359235823279107, 8.244909724644458]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8710148428303224, 2.964780826488337, 2.337389168482044]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.609054184573428, 3.542574317799522, 3.2589476828089885]}}